Gear Patents (Class 292/172)
  • Patent number: 10808438
    Abstract: A door assembly for selectively interlocking opposing doors each pivotably mounted at a hinge side thereof to a door frame so as to both open and close in the same direction includes a door handle assembly mounted to one door at a latch side thereof opposite the hinge side and carrying a first plurality of magnets, and another door handle assembly mounted to the other door at a latch side thereof opposite the hinge side and carrying a second plurality of magnets. The door handle assemblies are arranged relative to each other with the first and second pluralities of magnets aligned such each aligned pair of the first and second pluralities of magnets have opposite magnetic polarities, and the aligned first and second pluralities of magnets magnetically couple to each other as the door handle assemblies are brought into contact with each other.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: October 20, 2020
    Assignee: LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC.
    Inventors: Ayako Takase, Robert Hutton, IV, Patrick Scott Grossman, Lynn K. Van Sickle, Tommy Leon Knight, Dylan S. Schlenvogt, Brian Lafrence
  • Patent number: 9451716
    Abstract: Particular embodiments described herein provide for a serviceable chassis. The serviceable chassis can include a first housing and a second housing. The first housing includes a locking arm. The second housing can include a locking cam and a cord. The cord is attached to the locking cam and can rotate the locking cam to engage and disengage the locking arm to couple and uncouple the first housing to the second housing.
    Type: Grant
    Filed: June 27, 2015
    Date of Patent: September 20, 2016
    Assignee: Intel Corporation
    Inventors: Mark E. Sprenger, Ralph V. Miele, David Pidwerbecki, Kenan Huseyin Arik
  • Patent number: 9284759
    Abstract: The invention comprises a lock body (20) and two pull bars (23, 24). The arrangement further an installation frame (14, 44) for the lock body (20), attachment ends (25) in the ends facing the lock body (20) of the pull bars (23, 24) and an attachment part (30) in the lock body (20). The installation frame (14, 44) is provided with attachment arrangements (16, 45) for fastening the installation frame to the passive door blade as well as with support parts (18) for the attachment ends (25) of the pull bars. The attachment parts (30) are arranged movably in the height direction of the lock body (20) and the attachment parts comprise mating surfaces (31, 40) for the attachment ends (25).
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: March 15, 2016
    Assignee: Abloy Oy
    Inventor: Juha Raatikainen
  • Patent number: 8882162
    Abstract: A locking system enabling selective handle turning direction to operate an unlocking mechanism is provided. The system comprises a handle, a gear rack driven linearly by rotation of the handle, and a plate removably coupled to the gear rack by a coupling means, wherein the plate moves in a first linear direction in response to handle rotation. When the coupling means is in a first position to couple the plate to the gear rack, a clockwise rotation of the handle displaces the plate in the first linear direction. When the coupling means is in a second position to couple the plate to the gear rack, a counter-clockwise rotation of the handle displaces the plate in the first linear direction. Movement of the plate in the first direction operates the unlocking mechanism.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: November 11, 2014
    Assignee: Hanchett Entry Systems, Inc.
    Inventor: Alan K. Uyeda
  • Patent number: 8763836
    Abstract: A container includes a sealing system coupled to an interior surface of the container's lid or cover. The sealing system includes a rotatable latch that, when rotated, cooperates with a number of gears to and a cam assembly formed in the lid to actuate a number of arms or links. In one embodiment, some of the arms extend approximately radially from a driven gear and operate to move an engagement member of the sealing assembly into contact with a complementary engagement member coupled to a base portion of the container. This engagement, in turn, compresses a seal or gasket located between the lid portion and the base portion of the container.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: July 1, 2014
    Assignee: Becklin Holdings, Inc.
    Inventor: Dennis M. Becklin
  • Patent number: 8491019
    Abstract: In a drive train between a door handle having a first axis of rotation and a rotary lock part carried on a door to have a second axis of rotation, the drive train accommodating to possible misalignment of those axes, the drive train including a carrier, a rack carried by the carrier, and movable in a first lateral direction in response to door handle rotation, a gear located to rotatably drive the rotary lock part in response to rack movement in the first lateral direction, relative to the carrier, and means to adjust the position of the rack in a second lateral direction, to compensate for mis-alignment of the first and second axes.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: July 23, 2013
    Assignee: Adams Rite Manufacturing Co.
    Inventor: Alan K. Uyeda
  • Patent number: 8468743
    Abstract: A baby gate assembly which opens automatically only when detecting a designated person, by IR detection, RFID tagging or voice recognition. One or more IR detectors are mounted on a telescopic mast, enabling designation by height selection and the sensed signal compared with a datum or another IR facing in an opposite direct to provide signal operating reversible stepping motor to unlatch the gate. The control circuitry maintains the gate unlatched for sufficient time for the designated person to push open and walk through the gate in a hands free operation. A pedal release mechanism is also enabling unlatching during a power cut. The automatic and pedal unlatching mechanisms are linked for lost motion permitting independent operation.
    Type: Grant
    Filed: April 22, 2008
    Date of Patent: June 25, 2013
    Assignee: Max Technology Capital Ltd
    Inventors: Bernie Ting, Yau Choi Tse, Siu Hung Chan
  • Patent number: 8308203
    Abstract: A rotary mechanical latch for positive latching and unlatching of a rotary device with a latchable rotating assembly having a latching gear that can be driven to latched and unlatched states by a drive mechanism such as an electric motor. A cam arm affixed to the latching gear interfaces with leading and trailing latch cams affixed to a flange within the drive mechanism. The interaction of the cam arm with leading and trailing latch cams prevents rotation of the rotating assembly by external forces such as those due to vibration or tampering.
    Type: Grant
    Filed: July 1, 2009
    Date of Patent: November 13, 2012
    Assignee: Sandia Corporation
    Inventors: Barry L. Spletzer, Michael A. Martinez, Lisa C. Marron
  • Patent number: 8186727
    Abstract: The present invention is a door lock that eliminates the need for an additional deadbolt lock on a door. The present invention has a deadbolt built into the doorknob assembly. The deadbolt is put into place every time the door is closed. This eliminates the need of having to separately lock and unlock two locks, the first being the doorknob and the second being the deadbolt.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: May 29, 2012
    Inventors: James Rishel, James Catherman, III
  • Publication number: 20120060739
    Abstract: An approaching and retaining device, in particular for a boat door, includes a fixed assembly adapted to be associated with a frame and a mobile assembly adapted to be associated with a wing. The fixed assembly includes a nib which can slide freely in a first through hole of the mobile assembly; structure for automatically operating an actuator connected to the nib in a manner to determine an approaching movement of the wing towards the frame and a compression force against an elastic element positioned between the frame and the wing. The mobile assembly includes an external element rigidly secured to the wing; an internal strike adapted to be inserted into a second through hole of the main body, the internal strike including a transversal hole adapted to house the nib; and a threaded pin which allows the internal strike to move relative to the external element.
    Type: Application
    Filed: April 28, 2010
    Publication date: March 15, 2012
    Applicant: SEATECH ENGINEERING SNC DI MARIA IGNAZIA CASALEGNO E SERGIO PORRINI
    Inventor: Sergio Porrini
  • Patent number: 8056941
    Abstract: A door locking device for a door cooperating with a door frame includes a cylinder lock, at least one elongated bolt, and an emergency unlocking mechanism. The elongated bolt is adapted to move linearly to engage to and disengage from the door frame. A transmission including an operating wheel translates circular motion of a rotor of the cylinder lock to a linear motion of the elongated bolt. The emergency unlocking mechanism includes a gear arm connected to a handle and adapted to turn the operating wheel when the handle is turned, disengaging the elongated bolt from the door frame.
    Type: Grant
    Filed: December 18, 2010
    Date of Patent: November 15, 2011
    Assignee: Homegate Ltd
    Inventors: Erez Segev, Henk Schaer
  • Patent number: 7878034
    Abstract: An intuitively operable door locking arrangement and a method include, a lock-point arming input element that is connected directly to a handle-operated control element of the locking arrangement, rather than being connected directly to a lock-point of the door locking arrangement. The locking arrangement and method may be used in hinged single or multiple-panel installations, having single, and/or multiple lock-points, may allow keyless locking from outside, and may include a latching arrangement. In active door locking apparatuses, the lock-point is movable only through operation of the handle-operated control element. The lock point arming element is selectively moveable between an armed and a disarmed position thereof, and is configured and connected to the handle-operated control element in such a manner that the handle-operated control element may be used to move the lock-point to the locked position thereof only when the lock-point arming input element is in the armed position thereof.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: February 1, 2011
    Assignee: HOPPE Holding AG
    Inventors: Helmut Alber, Oliver Erich Rudolf Schuberth, Christian Josef Stephan Zeus, Dan Mattrisch, Eric Stoutenborough, Matt Taylor
  • Patent number: 7856856
    Abstract: An independently interactive interconnected lock includes an interconnecting mechanism that retracts a latchbolt and a deadbolt when an inner handle is moved between an up position, an intermediate position and a down position. The deadbolt is retracted by a deadbolt lock mechanism as the inner handle moves from the up position to the intermediate position. The latchbolt is retracted by a latchbolt lock mechanism as the inner handle continues to move from the intermediate position to the down position. When the inner handle is moved to the up position, both the latchbolt and deadbolt are extended and the deadbolt lock mechanism is disconnected from the latchbolt lock mechanism such that manipulation of the latchbolt lock mechanism to retract the latchbolt does not retract the deadbolt. The inner handle operates with low handle torque because the deadbolt and the latchbolt are not retracted simultaneously.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: December 28, 2010
    Assignee: Assa Abloy, Inc.
    Inventor: Vladimir Shvartz
  • Patent number: 7523969
    Abstract: A latch has a latch bolt mounted on a rack and a top gear which engages the rack. The top gear can be driven by an idle gear which is disengageable from a drop gear which in turn is engaged with a lockable drive gear upon rotation of a cam disc. Initial rotation of the cam disc disengages the drop gear. Further rotation of the cam disc moves the top gear so as to permit the rack to move the bolt to the unlatched position. The latch can be operated from one side by the rotation of a lock plug in the drive. The other side of the latch has a turnhandle on the cam disc which unlatches the latch even when the drive gear is locked from the outside.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: April 28, 2009
    Assignee: Southco, Inc.
    Inventors: Andrew Thornton, Jack O'Byrne
  • Publication number: 20080307837
    Abstract: Disclosed is a convertible motorized latch that may be configured in either of a slam latch or a dead bolt latch configuration, just by desired selection and replacement of a minimal number of components, and which may be used on new (oem) equipment or in retrofit applications. In either preferred configuration, an electric motor contained within the latch housing operates to open or unlock the latch. Latch closure may be provided by spring actuation in a slam configuration or by further motor operation in a dead bolt configuration. Either present configuration may make use of an electrical feedback switch for signaling latch retraction while the dead bolt configuration may also include a second electrical feedback switch for signaling latch extension. A gear train may be incorporated within the latch housing to provide reduced speed and increased torque from the electric motor.
    Type: Application
    Filed: September 26, 2007
    Publication date: December 18, 2008
    Inventors: Matthew R. Greiner, Kenneth A. Kaczmarz, Mitchell S. Mlynarczyk, Kenneth D. Graw, Francis H. Zimmerman
  • Patent number: 7363784
    Abstract: An independently interactive interconnected lock includes an interconnecting mechanism that retracts a latchbolt and a deadbolt when an inner handle is moved between an up position, an intermediate position and a down position. The deadbolt is retracted by a deadbolt lock mechanism as the inner handle moves from the up position to the intermediate position. The latchbolt is retracted by a latchbolt lock mechanism as the inner handle continues to move from the intermediate position to the down position. When the inner handle is moved to the up position, both the latchbolt and deadbolt are extended and the deadbolt lock mechanism is disconnected from the latchbolt lock mechanism such that manipulation of the latchbolt lock mechanism to retract the latchbolt does not retract the deadbolt. The inner handle operates with low handle torque because the deadbolt and the latchbolt are not retracted simultaneously.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: April 29, 2008
    Assignee: Assa Abloy, Inc.
    Inventor: Vladimir Shvarts
  • Patent number: 7237811
    Abstract: A rack and pinion are mounted on a casement window frame to operate a vertically disposed polymeric latch keeper. The moveable rack includes a plurality of teeth which are engageable with latch keepers spaced therealong. The pivotable window section includes latches which are rigidly affixed thereto. Thus when the window is closed a pinion can be rotated and thus drive the rack to engage the latch keepers into mating engagement with the latches for security and wind load resistance. The method of installation utilizes frangible spacers affixed to the latches for quick and easy alignment with the latch keepers.
    Type: Grant
    Filed: April 20, 2005
    Date of Patent: July 3, 2007
    Inventor: Barry G. Lawrence
  • Patent number: 7188871
    Abstract: A door lock mechanism includes a lock claw, a spring attached to the lock claw for urging the same in a direction toward a lock state, a lock release operation piece linked to the lock claw for moving the lock claw in a direction toward a lock release state against a force of the spring when a lock release operation is performed, and a damping device for applying a damping force to the lock claw when the lock release operation is canceled. The lock release operation piece returns the lock claw to the lock state with the force when the lock release operation is canceled. The lock release operation piece is arranged to be separated from the lock claw when the lock claw returns from the lock release state to the lock state with an external force applied to the lock claw.
    Type: Grant
    Filed: January 6, 2005
    Date of Patent: March 13, 2007
    Assignees: Nifco Inc., Mazda Motor Corporation, Nishikawa Kasei Co., Ltd.
    Inventors: Takehiko Nemoto, Toru Maeda, Hideharu Kaeriyama, Hironobu Kondou
  • Patent number: 7185927
    Abstract: A latch assembly is re-configurable for plural orientations. A slide lock plate engages a claw-typed pawl. A rotating activation mechanism links an operator handle to the slide plate. The handle causes the activation mechanism to rotate, thereby retracting the sliding lock plate form the pawl. A cam follower, activated by a pocket cam, is rotated with handle operation. A first pinion gear on the sliding lock plate and a friction clutch dampen movement. A rotating paddle/blade cam, substituted for the paddle/blade, has a projecting arm. The second pinion gear engages teeth on the edge of the slide lock plate. A dog leg-shaped projection, added to the handle end of the slide plate, accommodates second teeth facing opposite the first teeth.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: March 6, 2007
    Assignee: Southco, Inc.
    Inventors: Robin Talukdar, Fabrice Vitry
  • Patent number: 7025394
    Abstract: A lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door. The lock system includes a plurality of conventional deadbolt assemblies, a plurality of pinion gears, and a rack gear. The plurality of conventional deadbolt assemblies are positioned along the vertical expanse of the entry door. The plurality of pinion gears are operatively connected to the plurality of conventional deadbolt assemblies, respectively. The rack gear is operatively connected to the plurality of pinion gears so as to allow the plurality of pinions gears to operate simultaneously and form simultaneously operated pinion gears. The simultaneously operated pinion gears simultaneously operate the plurality of conventional deadbolt assemblies to provide simultaneous multi-point locking along the vertical expanse of the entry door.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: April 11, 2006
    Inventor: Harry C. Hunt
  • Patent number: 7003991
    Abstract: A security and locking mechanism for the double door type security safe, vault or bunker wherein the double door can be manufactured by conventional structure or the through use of a plurality of modular panels, the locking and securing mechanism comprising a pair of longitudinal, vertically oriented bolt channels secured to the inner surface of each of the double doors proximate the vertical edges of the double doors, the bolt channels proximate the hinged edge of each door having a plurality of passive locking rods extending there through and extending beyond the hinged edge of the door, the second longitudinal bolt channels on the doors having a plurality of apertures through vertical web members, are secured proximate the seam formed between the double doors, one of the bolt channels being positioned such that it overlaps the seam formed between the two doors, the active locking and securing mechanism comprising a plurality of horizontally oriented throw bolts passing through the longitudinal bolt channel
    Type: Grant
    Filed: August 6, 2004
    Date of Patent: February 28, 2006
    Inventor: Karl Alizade
  • Patent number: 6994383
    Abstract: A cremone bolt operator is provided which includes a small and a large pinion gear, each having gear teeth and a central aperture, a first and a second rack gear, each having a first and a second set of parallel teeth, the rack gears in opposed relation to one another wherein the first and second sets of teeth are in facing relation. The first set of teeth on each of the rack gears is in meshed engagement with the small pinion gear and the second set of teeth on each of the rack gears is in meshed engagement with large pinion gear. A spindle is sized to fit in each of the central apertures of the small and large pinion gears. A locking device that causes the spindle to selectively engage either the small pinion gear or the large pinion gear.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: February 7, 2006
    Assignee: Von Morris Corporation
    Inventor: Eric D. Morris
  • Patent number: 6971686
    Abstract: A multipoint lock system for use with the active and inactive doors of two-door sets, which provides an operator with the ability to lock or unlock a plurality of locking points both manually and automatically, and features a blocking mechanism to prevent unwanted locking. The system comprises a pair of releasably engaged mechanisms, one of which primarily controls the deployment of the locking members, while the other primarily controls the receiving windows that receive the locking members. Each mechanism is operated by a lever and thumbturn attached to a centralized cassette.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: December 6, 2005
    Assignee: Truth Hardware Corporation
    Inventor: Donald A. Becken
  • Patent number: 6779819
    Abstract: The exit device of the present invention has an elongated securing member, such as a deadbolt or the like, adapted to be mounted horizontally adjacent the free end of a door and a pivoting member inward of the door. The pivoting member has a peripheral portion which rolls against the securing member and serves as an anti-friction bearing and counters against the inward force on the securing member opposing the opening force on the door. In one embodiment, the pivoting member is pivoted by a press bar assembly, and engages and retracts the securing member. In another embodiment, the securing member is retracted by the actuating means. The pivoting member may also include a keeper contact surface which, as the door closes, is contacted by the keeper and the pivoting member is pivoted inward to retract the securing member.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: August 24, 2004
    Assignee: Yale Security Inc.
    Inventor: Walter E. Surko, Jr.
  • Publication number: 20030193199
    Abstract: A latch assembly for multiple-position mounting on panels and bins with centrally positioned keeper hooks is suitable for automobile gloveboxes. The latch assembly may be configured for both lower and upper bin operation, without additional parts, and has an elongate structure that permits off-set latch handle (paddle) positioning facilitating both left-handed and right-handed operation. A slide lock plate engages a claw-type pawl with the blade shaped free end thereof. The pawl is spring biased to the open position, while the slide lock plate is spring biases to the locked, pawl engaging postion. A rotating activation mechanism links the operator handle to the slide plate. When the handle is moved, it contacts the activation mechanism causing it to rotate, thereby causing the sliding lock plate to retract from its pawl engaging position. The sliding lock plate has formed therein a track of gear teeth forming a “rack” member.
    Type: Application
    Filed: April 7, 2003
    Publication date: October 16, 2003
    Inventors: Robin Talukdar, Fabrice Vitry
  • Patent number: 6585943
    Abstract: A fluid delivery system (26) for an automated processor (A) delivers washing, microbial decontaminant, and rinse fluids to spray nozzles (102, 104, 106, 108, 110) in a chamber (12) for sequentially spraying the fluids over a lumened device (B), such as an endoscope. The fluid delivery system also delivers the fluids to connection ports (150, 152, 154) which connect with internal passages (187) of the device for delivering the fluids thereto. Leaking connectors (184) connect the automated processor connection ports with inlet ports (196) of the device and allow a portion of the washing, decontaminant, and rinsing solutions to leak from each inlet port. A computer control system (80) controls cleaning, decontamination, rinsing, and drying stages of a cycle, which are all carried out within the chamber, obviating the need for human contact with the device during processing.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: July 1, 2003
    Assignee: Steris Inc.
    Inventors: Bill R. Sanford, Jude A. Kral, Joseph Tvergyak, Bernard J. Moss, Robert M. Priest, James C. Hlebovy, Daniel N. Kelsch, Alan J. Greszler, David E. Minerovic, John C. Houston, Nancy A. Robinson
  • Patent number: 6460903
    Abstract: An electronic lock comprises a control structure having a threaded sleeve which is fitted into an actuating ring and an insertion seat. The actuating ring is provided with an outer projection having a retaining slot. The outer projection is received in the insertion slide slot of the insertion seat. The threaded sleeve is fastened with an inner sleeve seat in which a motor is mounted. The motor has a threaded shaft which is engaged with the threaded sleeve. The inner sleeve seat is fastened with the external side of a door such that the insertion slot of the insertion seat is fitted over the lock core. The inner sleeve seat is fitted into an outer sleeve seat having a plurality of retaining teeth.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: October 8, 2002
    Assignee: Summit Automation Co., LTD
    Inventor: Chen Ming-Chih
  • Publication number: 20020096888
    Abstract: An interconnected lock assembly for mounting in a door, comprising a first lock assembly and a second lock assembly interconnected by a rack mounted on a carrier component. The second lock assembly is operably connected to a deadbolt latch assembly comprising a deadbolt moveable between an extended position when the carrier component is in a lowered position and a retracted position when the carrier component is in a raised position. The lock further comprises a thumbturn attached to a thumbturn link component, wherein the thumbturn link pivotally connects the thumbturn to the rack such that the thumbturn is operably interconnected to the first lock assembly and the second lock assembly.
    Type: Application
    Filed: January 19, 2001
    Publication date: July 25, 2002
    Inventors: Peter K. Bates, Brian David Blankenship, John Bussiere
  • Patent number: 6328357
    Abstract: An hand adjustable trim actuator for use with an exit device is provided. The trim actuator uses an actuator shaft with attached actuator gear to engage one of two sets of gear teeth on a linearly moveable retractor. Actuation of the door lever rotates a spindle which has two tabs, one of which pushes the retractor. The engagement of the retractor gear teeth with the actuator gear causes the actuator gear and actuator shaft to rotate which in turn operates the exit device. The actuator shaft and actuator gear are moveably linearly which permits the actuator gear to be disengaged from the retractor gear teeth. Once disengaged, the actuator gear can be rotated and moved into engagement with the other of the two sets of gear teeth, thereby changing the handing of the trim actuator.
    Type: Grant
    Filed: October 15, 1999
    Date of Patent: December 11, 2001
    Assignee: Monarch Hardware and Manufacturing Company
    Inventors: James Wiley Overbey, Kun Hong Kim
  • Patent number: 6178795
    Abstract: A lockable structure for a big-handle lock includes a base plate for connection with a bottom plate and a cover plate. A lock core assembly is mounted between the base plate and the cover plate. A transmission assembly is mounted between the base plate and a bottom plate. The lock core of the lock core assembly and a turn-button of an inner handle may drive a locking bar around which a follower disc is mounted. The follower disc includes a cam for driving a control plate. The control plate includes a projection for releasably engaging with a groove of a press-plate. Thus, when a press member is pressed, the press-plate, the control plate, and the actuating plate are moved accordingly. The actuating plate includes a rack portion for meshing with a transmission wheel for turning a spindle, thereby controlling retraction of a latch bolt.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: January 30, 2001
    Assignee: Taiwan Fu Hsing Industrial Co., Ltd.
    Inventor: Chiang-Lin Hsueh
  • Patent number: 6116662
    Abstract: A flush mounted latch for a door that includes a housing, a bolt, first apparatus, and second apparatus. The first apparatus includes a pinion gear that is operatively connected to the bolt, a pivot arm that is pivotally mounted at one end to, but off center of, the pinion gear and pivotally mounted at another end to the bolt which allows the bolt to retract when the pinion gear is rotated, a first rack that is operatively connected to the second apparatus and gearingly engages an edge of the pinon gear, and when caused to move inwardly by the second apparatus, rotates the pinion gear and retracts the bolt, a second rack that is operatively connected to the second apparatus and gearingly engages an opposite edge of the pinon gear, and when caused to move inwardly by the second apparatus, rotates the pinion gear and retracts the bolt.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: September 12, 2000
    Inventor: Muriel Johnson
  • Patent number: 6112563
    Abstract: A remotely activated locking device for closure elements that is self-contained within the closure elements, electrically operated and reliable. An electric motor with a worm gear is meshed with a gear mechanism to control the movement of a locking tongue member. A gear member is caused to move between two angular positions. The gear member includes a perpendicularly mounted off-center pin. A pivotally mounted elongated arm is pushed by the offset pin to cause the retraction of a spring loaded tongue member. A receiver is also housed within the closure element to activate the motor. A remote transmitter sends a signal to activate the receiver that in turn creates an output for a predetermined amount of time when the code transmitted matches the code stored.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: September 5, 2000
    Inventor: Israel Ramos
  • Patent number: 6109666
    Abstract: An espagnolette or espagnolette-lock for a door or the like, having a control mechanism including, on the one hand, a springy mechanism for automatically restoring a operating rod into locking position and, on the other hand, a locking device capable of maintaining this operating rod in its unlocked position upon opening of the leaf.The locking device consists of a lever fitted in the casing, about a spindle perpendicular to the plane of the latter, so as to be capable of tilting between an inactive position and an active position in which it co-operates with a stop directly or indirectly made integral with the operating rod, in order to impede the latter from moving under the action of the springy means, the lever being extended, beyond its axis of pivoting, by a control pawl on which are capable of acting an unlocking mechanism in the shape of an actuator directly or indirectly integral with a spring-bolt.
    Type: Grant
    Filed: April 13, 1999
    Date of Patent: August 29, 2000
    Assignee: Ferco International, Ferrures et Serrures de Batiment SA
    Inventor: Jean-Yves Collet
  • Patent number: 6023952
    Abstract: A door handle assembly comprises an interior handle connected to the interior face of a door, a latch mechanism which is operable between latched and unlatched positions to secure the door, an operator mounted to the door and rotatable with respect to the handle, and a rack and pinion assembly to transfer the rotary motion of the operator to the latch mechanism. The operator includes a tumbler assembly. The rack and pinion assembly may include a rack and two pinions one located at each end of the rack. However, other arrangements are possible including gear trains comprising two or three gears driven by the rack. The rack and pinion assembly may be mounted between a pair of planar members which form part of a housing which is proportioned to fit between the latch mechanism and an interior surface of a stile of a door. The rack and pinion assembly permits the latch mechanism and the operator, which have usually been coaxial, to be vertically offset from each other.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: February 15, 2000
    Assignee: Reflectolite Products, Inc.
    Inventors: Petros Z. Mantarakis, Kevin Michael Argo
  • Patent number: 5927769
    Abstract: This invention is directed to a door latch having an auxiliary bolt which activates the latch bolt, and the use of a latch to confine small children in the home. The auxiliary bolt has a hinged beveled end which pivots when the door is opened but is fixed when the door is closed to activate the latch. The latch is placed five feet above the floor to prevent a small child from opening the door. The latch has a guard plate below the door handle to prevent a small child from opening the latch with a stick. The latch can be mounted on any side of any door.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: July 27, 1999
    Inventor: John Howard Pullen
  • Patent number: 5826922
    Abstract: A rotary latch assembly which allows for simple, inexpensive and reliable attachment of a computer bezel to a computer housing. Latches disposed on each side of the bezel engage openings in the computer housing so as to secure the bezel to the computer housing. The latches are attached to rails which includes gears. A knob which includes rotary gears extends through an opening in the bezel. The rotary gears engage the gears of both of the rails such that the latches may be moved within a limited range by rotating the knob. Thus, the bezel may be removed by rotating the knob such that the latches move inward, thereby disengaging the latches from the openings in the computer housing.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: October 27, 1998
    Assignee: Silicon Graphics, Inc.
    Inventor: Glenn Alan Wernig
  • Patent number: 5810402
    Abstract: An interconnected lock is disclosed which can be used in applications which have differing center distances. A rack is located between the lower operator assembly and the upper deadbolt for engaging a pinion which will release the deadbolt. This pinion can be vertically located at a position to receive the drive spindle of the deadbolt. A second pinion which is secured to the turn lever for the deadbolt is secured to the faceplate. These pinions cooperate with adjacent width portions of the rack enabling the faceplate to operate with different center distances.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: September 22, 1998
    Assignee: Emhart Inc.
    Inventor: Steven Armstrong
  • Patent number: 5715631
    Abstract: Disclosed is a multiple position window latch which includes a latch housing attached to a top rail of a window sash. A stem extends through the latch housing and a latch handle is positioned above the latch housing and is attached to an upper end of the stem. A sweep cam is positioned within the latch housing and is attached to the stem. The sweep cam rotates into and out of the latch housing and engages a keeper on an adjacent window sash. An elongated slide is positioned beneath the latch housing and extends within the top rail toward an adjacent side of the window sash. A driving member on the stem, such as a plurality of gear teeth around a lower end thereof, engages a driven member on the slide, such as a plurality of gear teeth forming a slide.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: February 10, 1998
    Assignee: Appleby Systems, Inc.
    Inventors: Nourhan Kailian, Darwin B. Dosch
  • Patent number: 5707090
    Abstract: A magnetic code operated lock cylinder is releasably coupled to a shaft extending into a door. When the lock is unlocked a pinion gear is rotationally coupled to the shaft which shaft on rotation retracts a door latch. The gear is coupled by a toothed rack to a gear connected to a handle. The handle and rack are surface mounted on the door.
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: January 13, 1998
    Inventor: Bruce Samuel Sedley
  • Patent number: 5683122
    Abstract: A locking device for manhole inner covers is disclosed. The locking device is operated only by an authorized key thus almost completely protecting the underground arrangements such as pipes, drains or wires from unauthorized persons, who intend to reach the arrangements with the object of damaging or breaking the arrangements. The locking device is cased by a longitudinal channel type housing. Two reciprocating units are arranged in the housing so that the arrangement of the units inside the housing is point-symmetric about the center of the housing. Each unit has a plurality of regularly-spaced gear holes, which selectively engage with the asterisk part of a key. A locking bolt is coupled to each reciprocating unit and fully projects or retracts from or into the housing. A keyhole panel is movably seated on a central member so that the keyhole panel can move in a vertical direction. The keyhole panel has an asterisk keyhole.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: November 4, 1997
    Inventor: Eui-Keun Lee
  • Patent number: 5496082
    Abstract: An interconnected lockset comprising an upper deadbolt assembly including a rotatable spindle, a turn piece secured to the spindle, the turn piece rotatable from either of two symmetrical unlocked orientations to a locked orientation, and a pinion secured to the turn piece, a lower lever assembly including a rotatable element, an operator secured to the rotatable element, and a cam having opposed arms secured for displacement with the operator, and a rose for supporting the turn piece and the operator, a vertically displaceable rack including a pair of adjacent legs for engagement with the opposed arms, a vertically extending row of rack teeth, the row of teeth rack being selectively located so that the teeth can be either located on one side of the pinion to rotate the turn piece clockwise from one of the unlocked orientations to the neutral locked orientation or located on the other side of the pinion to rotate the turn piece counterclockwise from the other unlocked orientation to the neutral locked orienta
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: March 5, 1996
    Assignee: Emhart Inc.
    Inventor: Martin Zuckerman
  • Patent number: 5123683
    Abstract: A single handleset 10 with an adjustable retracting mechanism 11 includes a handle 20 and thumbpiece 32 which operates a rack 48. A pinion 70 is in mesh engagement with rack 48 at all times. A spindle 84 is connectable to pinion 70 in either of two positions determined by the righthand or lefthand orientation of a door 18 to which assembly 10 is mounted. Spindle 84 is adjustable without decoupling pinion 70 from rack 48 to insure proper orientation of the spindle relative to the pinion for effective operation of a latchbolt assembly 140.A double handleset 210 with the adjustable latch retracting mechanism 11 includes a pair of handle units 212 and 234 and also provides the versatility of adjusting spindle 84 independently of pinions 70 to accommodate either a righthand or lefthand orientation.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: June 23, 1992
    Assignee: Emhart Inc.
    Inventor: Paul G. Solovieff
  • Patent number: 5072977
    Abstract: A latch retraction device for narrow stile doors which may be hinged either on the left side or on the right side, and which utilizes a push or pull actuator for retracting the latch instead of utilizing a rotary knob for that purpose. The device utilizes inter-engaged toothed elements to provide linear to rotary motion in a novel configuration of parts which permits one set of parts to be utilized to provide either a push or a pull actuation for latch retraction with either a right hand or left hand door and thereby eliminating the necessity to manufacture and inventory a large number of parts to accommodate all four types of desired uses.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: December 17, 1991
    Assignee: Trans-Atlantic Company
    Inventors: Norman A. Millman, Fouad F. Korban
  • Patent number: 5060991
    Abstract: A door latch assembly 10 includes a rack 102 which is moved upon depression of a thumbpiece 12. Movement of the rack 102 results in rotation of an enmeshed pinion 136 and an assembled spindle 152. As the spindle 152 rotates, a latch 26 is moved from a latched position to an unlatched position to thereby permit opening of a door 20 on which the door latch assembly is mounted.When it is desired to lock the door 20, a key-operated lock cylinder 16 is operated to place into motion facilities for moving the rack 102 into a disabled poisition whereafter depression of the thumbpiece 12 will not result in movement of the rack.As the rack 102 is moved to the disabled position, teeth 104 of the rack remain enmeshed with teeth 138 of pinion 136. When the rack 102 is again moved to the enabled positon, the teeth 104 and 138 remain enmeshed and thereby avoid any deleterious reactions had they been separated upon disablement of the rack 102 and re-enmeshed upon enablement thereof.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: October 29, 1991
    Assignee: Emhart Inc.
    Inventors: Richard M. Davidian, Oakley W. Mickle
  • Patent number: 5002322
    Abstract: A lid locking device for a vehicle has a pawl attached to the lid and engaged by a retractable plunger. The plunger is retracted by contacting a projection of a rotatable worm-wheel to permit opening of the lid. The worm-wheel is rotated into position by a worm gear mounted on a rotating shaft. The worm-wheel and plunger are returned to their original positions by the release of energy stored in springs during the retraction of the plunger.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: March 26, 1991
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventor: Ryoichi Fukumoto
  • Patent number: 4934800
    Abstract: Door lock control apparatus includes a rotary input part adapted to be rotated by a handle or knob; a rotary output part adapted to operate a lock mechanism; and structure coupling the input part to the output part, including a pinion gear coupled to the output part; a member having first and second lengthwise extending racks thereon and bodily shiftable between a first position in which the first rack engages the pinion, and a second position in which the second rack engages the pinion, that member also being bodily movable in the length direction of the racks; and a mechanism operatively coupled between the input part and the member to have that member in the length direction in response to rotation of the input part; the racks located to alternately engage the pinion in such first and second positions so that in the member's first position the output part is rotated clockwise when the input part is rotated clockwise, and in the member's second position the output part is rotated counterclockwise when the i
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: June 19, 1990
    Assignee: Adams Rite Manufacturing Company
    Inventor: Mansam Choi
  • Patent number: 4902052
    Abstract: A locking device for doors and the like, having a bolt installed in the door frame and movable into the open position by a solenoid and into the shut position by a spring. Locking devices of this kind have not found general use, since there is no room in the frame for a device as required by the regulations wherewith the lock may be opened mechanically from the inside. This problem has been solved in such a manner that the socket of the door has a counterbolt forced by a spring against the bolt proper, whereby the spring force of the spring of the counterbolt is smaller than the spring force of the spring of the bolt.
    Type: Grant
    Filed: July 29, 1988
    Date of Patent: February 20, 1990
    Assignee: Airi Laine
    Inventor: Yrjo T. Laine
  • Patent number: 4725085
    Abstract: A novel rack-pinion forms an outside operator of either a single latchbolt or a double latchbolt with the pinion rotating a latch operator of at least a single latchbolt to move the bolt between extended and retracted positions. The rack is shiftable between pinion engaging and nonengaging positions as determined by an inside operator control button, this being the sole means of shifting in the simplist, single latchbolt form. When it is a single latchbolt form, a lock may be added to the outside operator for also shifting the rack-pinion construction. In more complex, double latchbolt form, the second bolt, preferably a deadbolt, may have an outside operator formed by a lock or an inside operator formed by a turnpiece of both. With the outside lock of the second bolt construction, a yoke may connect that to the rack-pinion construction of the first latchbolt for shifting the rack by the second latchbolt outside lock.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: February 16, 1988
    Assignee: Kwikset Corporation
    Inventors: Thomas S. S. Hu, Gary R. Bergen
  • Patent number: 4702117
    Abstract: A vehicle use-lock actuator is proposed comprising a stationary housing and a reversible drive motor for locking and unlocking successively two remotely positioned locks. In this actuator, the drive motor is mounted within the housing in a hidden position. There is a single control slide for keeping normally respective wire cables at their neutral position for keeping in turn the locks in their locked position. There is provided within the housing a three stage reduction and reversely accelerating gearing between the drive motor and the control slide. The first stage includes a crown gear, while the third stage includes rack teeth which is united rigidly with the control slide.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: October 27, 1987
    Assignee: Kokusan Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Sunsaku Tsutsumi, Takurou Ozawa
  • Patent number: 4687239
    Abstract: This invention concerns about a tubular door lock which makes use of humps attached on a cylinder for guiding and restricting the movement of a rotating shell and an extending shell enabling assembling plates hooked with the bottom of the extending shell to alter the position of the center of a fan-shaped gear on it so that the teeth of the fan-shaped gear can engage with those of the dead bolt to make up an action of pulling the dead bolt back.
    Type: Grant
    Filed: January 3, 1986
    Date of Patent: August 18, 1987
    Inventor: Jui C. Lin