Plural Shanks, Stems Or Bit Wings Patents (Class 70/401)
  • Patent number: 9920548
    Abstract: A key including at least one coding cavity (55) defining a hollow geometry for coding the key. The geometry includes at least one internal undercut (60a, 60b). The lock for validating a key comprises blocking means (21, 22) coupled to a driving part (14) and validating means (25, 26) which are coupled to the blocking means so as to change the state of the blocking means when the key used with the lock has a correct coding. The validating means (25, 26) protrude at least partially into the key cavity of the lock in order to introduce the validating means at least partially into the coding cavity (55) of the key and to sense the inner face of the coding cavity.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: March 20, 2018
    Assignee: URBANALPS AG
    Inventors: Alejandro Ojeda González-Posada, Felix Michael Reinert
  • Patent number: 8776561
    Abstract: A tool kit for unlocking a door knob lock set which bypasses the cylinder and pin pairs which normally must be aligned properly with the proper key. The tool kit includes a pin lifting tool which is used to move the pins so that a forked tool is inserted into the key way, through the cylinder, through an aperture in the end of the cylinder and on to the shaft which must be turned to unlock the lock. The forked tool straddles the shaft and then the forked tool is turned, thereby turning the shaft and unlocking the lock.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: July 15, 2014
    Inventor: James M. Jones
  • Patent number: 8365560
    Abstract: A key mechanism that makes it possible to fix the key inside the cylinder bolt lock outphased from the original combination, thereby preventing the cylinder of the bolt lock from turning. The security of the key mechanism is also enhanced as a cylinder tumbler engages within a slot of the key blade and the key cannot then be expelled from the cylinder bolt lock. Therefore, it is impossible to insert another key or picklock from the other side of the cylinder bolt lock.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: February 5, 2013
    Inventor: Antonio Domit
  • Publication number: 20100300161
    Abstract: A keyed cylinder assembly (10) includes a keyed cylinder (3) mounted in a door lock (1) and including a hollow body (31) and a cylinder plug (32) rotatably received in the hollow body (31). The cylinder plug (32) includes an annular groove (327) formed in an outer periphery (320) thereof. The keyed cylinder (3) further includes an arresting member (37) received in the hollow body (31) and having an inner end (371) received in the annular groove (327). The keyed cylinder assembly further includes a first key (4) insertable into a keyway (323) of the cylinder plug (32) to operate both a latch bolt (12) and a deadbolt (13) of the door lock (1). The keyed cylinder assembly (10) further includes a second key (5) insertable into the keyway (323) of the cylinder plug (32) to operate the latch bolt (12) only.
    Type: Application
    Filed: June 2, 2009
    Publication date: December 2, 2010
    Inventor: Chung-Liang Lin
  • Patent number: 7647798
    Abstract: A lock includes a core rotatably disposed within a barrel. A plurality of tumbler pins are disposed in shafts in the core and communicate with a keyway. A side-pin shaft intersects each tumbler pin shaft at a selected angle. Each tumbler pin includes a side hole at a position along its length that aligns with the side-pin shaft when a proper key is inserted. An independent side pin is disposed in each side-pin shaft. One end of each side pin rests against its associated tumbler pin and the other end of each side pin is tapered and extends into a channel in the barrel. The side pins are biased outwardly by a spring towards the channel. The angle at which each side-pin shaft intersects each tumbler shaft may be different. The spacing between tumbler pin shafts may be different.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: January 19, 2010
    Assignee: VSR Lock, Inc.
    Inventors: Mark David Jones, Drannon Owen Tidwell
  • Patent number: 7353675
    Abstract: A lock barrel and a driving part for the same comprises a plurality of key channels for the insertion o the driving part (key) and a plurality of transverse gateways for housing movable parts, which will bulge into the key channels for making the channels effectively small and therefore shielding them from illegally intruded tools.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: April 8, 2008
    Inventors: Sheng-Ho Chao, Chang-Tung Huang
  • Patent number: 7174757
    Abstract: Disclosed is a lock cylinder and key set, which includes a lock cylinder, which has a keyway with two keyholes separated by a partition, and a key, which has two blades insertable into the two keyholes of the keyway for acting against respective pins in the lock cylinder to unlock the lock cylinder.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: February 13, 2007
    Inventor: Yuan-Cheng Tseng
  • Patent number: 6842742
    Abstract: An improved system for providing early warning preemptive postal equipment replacement. Selected performance parameters the postal equipment are monitored and compared against predetermined operational boundaries. The system is capable of providing for variability in the performance parameters, wherein these parameters may be permitted to vary over time and usage of the equipment. The monitoring gives an indication of the overall system performance. If the system performance goes outside of operational boundaries, or changes significantly over time, replacement of the equipment can then be scheduled with minimal inconvenience to the customer.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: January 11, 2005
    Assignee: Ascom Hasler Mailing Systems, Inc.
    Inventor: George Brookner
  • Patent number: 6755061
    Abstract: The individual keys in a set of keys are configured to fit together in a compact arrangement, with the heads of the keys being in alignment with one another in one direction and stacked against one another in another direction, and with the shanks extending essentially in alignment with one another but spaced apart along the heads. A set of keys may be formed using two outer key configurations or by using the two outer key configurations, together with a central key configuration. One or more of such sets of keys may be stored in a holder including pockets for their storage.
    Type: Grant
    Filed: September 24, 2002
    Date of Patent: June 29, 2004
    Inventor: Jacob Sholom Herzenberg
  • Patent number: 5680782
    Abstract: The invention provides a theft surveillance case having a stationary member (100) and hook-shaped locking portions (203, 204). Two projecting portion groups (121, 122; 123, 124) are formed in the stationary member (100) with a predetermined distance between them, so that they can lock a CD accommodating case (500) either at a fixing position where the CD accommodating case is clamped by pawl portions (105, 205) or at a position where the CD accommodating case can be disconnected. The distal end portions of the hook-shaped locking portions (203, 204), which are positioned and locked at either a position where they have ridden over the outer one of the two projecting portions of the projecting portion group (121, 122; 123, 124) or a position where they have ridden over the projecting portion at the deeper side, have substantially L-shaped sections and flat portions at their top portions.
    Type: Grant
    Filed: December 4, 1995
    Date of Patent: October 28, 1997
    Assignee: MG Co., Ltd.
    Inventors: Hiroaki Komatsu, Sumio Sakurada
  • Patent number: 5390515
    Abstract: A recording medium security container and associated release key which disengages a lock mechanism of the security container enabling the security container to be moved to an open position for removing the contents thereof. The security container has a base, a lid pivotally mounted on the base, and a lock mechanism for securing the lid in a locked position on the base. The key has a grasp base and a plurality of tabs extending outwardly from the base for disengaging the lock mechanism of the security container. Also provided on the key is a pivotally mounted lever which has a pair of tangs which releasably engage and grip the base of the security container so that the key may be grasped to pull the base away from the lid to an open position, while the tabs extending from the key disengage the lock mechanism of the security container.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: February 21, 1995
    Assignee: Alpha Enterprises, Inc.
    Inventor: Gale W. Essick
  • Patent number: 5372024
    Abstract: The invention relates a lock-cylinder key (S) having bit steps (6) protruding on the wide sides (4) of its key shank (1) for the positioning of the lock-cylinder tumblers (19). In order to obtain a particularly simple but very dependable solution from a locking standpoint, the bit steps (6) represent the extensions of the edges (10) of a wide-side opening (11).
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: December 13, 1994
    Assignee: Ewald Witte GmbH & Co. KG
    Inventor: Edvard Ruckert
  • Patent number: 5355702
    Abstract: A security combination key is provided, which consists of a hollow housing having a removable cover plate. An elongated guide member having an open track therein and a ward groove on a side thereof, extends from one side of the hollow housing. A plurality of blades having serrations extend in parallel relationships from within the hollow housing into the track of the guide member with the serrations exposed in the track. An apparatus is for sliding the blades in the track of the guide member, to form various combinations with the serrations to match up with pin tumblers in specific locks. A device is for locking the blades in a stationary position in the track of the guide member. The guide member having the ward groove can be inserted into a keyway having a compatible set of ward ridges in a cylinder of the lock, allowing the serrations of the blades to properly position the pin tumblers to permit operation of the lock.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: October 18, 1994
    Inventor: Augusto Escribens
  • Patent number: 5335520
    Abstract: A flat lock set has a flat lock having a cylinder, a tumbler, several rings and springs and a key having several stepped blades each having several shoulders. The cylinder is mounted in a door and has four groups of ribs formed therein. Each group includes several separate ribs defining several passages extending perpendicular to a length of the cylinder. The cylinder has a first end defining a first opening and a second end integrating with a ring defining a second opening. The tumbler has a disk integrating with a key receiver integrating with a latch carrier. The key carrier is separated into several prongs. The rings each have two ears formed along an outer rim thereof and several arms formed along an inner rim thereof. When the rings and springs are alternatively mounted on the first sections of the prongs, the arms formed on the rings are sited between the prongs.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: August 9, 1994
    Inventor: Miko Lee
  • Patent number: 5255543
    Abstract: A device for opening security packages used to protect audio-visual media from being stolen is disclosed. The security package opening device includes a base which assists with proper positioning of the security package to be opened. It also includes a slidable opening mechanism which, when slid forward, automatically causes key elements to enter the locking means of the security package. The opening mechanism then opens the security package permitting the contents of the security package to be removed.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: October 26, 1993
    Assignee: Empak, Inc.
    Inventor: Boyd C. Wittman
  • Patent number: 5191314
    Abstract: A portable combination anti-theft lock and alarm to prevent the theft or displacement of protected property and comprising a housing, an audible alarm and alarm circuit located within the housing, and a flexible electrically conductive locking cable having a first end that is fixedly attached to the housing and an opposite free end which is detachably connected to the housing. The alarm circuit is adapted to activate the alarm and cause a loud warning signal to be emitted through the housing in the event that either the cable or the housing is vandalized by a thief in an effort to gain access to the protected property. More particularly, the alarm will be activated if the cable is either severed or jumped by a shunt wire. The alarm will also be activated if the housing is cut or a battery cover plate is removed from the housing without properly operating an associated lock assembly.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: March 2, 1993
    Assignee: Pacific West Industries
    Inventors: Roger C. Ackerman, Robert B. Jones, Kenneth A. Tarlow, Eric Dennison
  • Patent number: 5129244
    Abstract: A device for opening security packages used to protect audio-visual media from being stolen is disclosed. The security package opening device includes a base which assists with proper positioning of the security package to be opened. It also includes a slidable opening mechanism which, when slid forward, automatically causes key elements to enter the locking means of the security package. The slidable opening mechanism then unlocks the security package permitting the contents of the security package to be removed.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: July 14, 1992
    Assignee: Empak, Inc.
    Inventor: Boyd C. Wittman
  • Patent number: 4909054
    Abstract: Each key in a set of keys has a headless shank. A slotted opening through the shank is slightly larger than the shank so that any key can be installed over the shank of the active key to act as a wrench to turn the active key. In addition, any shank can carry two blades thereon, one on each end of the shank.
    Type: Grant
    Filed: July 8, 1985
    Date of Patent: March 20, 1990
    Inventor: Robert M. Fox
  • Patent number: 4875352
    Abstract: The invention comprises a two part key which replaces a conventional key in a conventional lock cylinder for purpose of temporary use wherein one of the parts is a plastic or similar material insert which replaces a portion of the conventional key and a short conplementary key which permits operation of the lock in conjunction with the insert. The insert being secured in the cylinder by means of the cylinder locking pins and being removable only by means of a special installation and extraction tool.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: October 24, 1989
    Assignee: Schlage Lock Company
    Inventors: Jon M. Smallegan, Richard R. Bettger
  • Patent number: 4787225
    Abstract: For increased security the key (2; 40; 44) has one or more blade portions (43; 45; 46; 5, 6). The longitudinal central plane (A, B) of the or each blade portion is offset from the guide region (42; 7) running along the back edge of the key shaft (3). Furthermore, the or each blade portion is connected to the guide region by means of a bridging portion (14, 14') which forms an obtuse angle (alpha) with the guide region, as well as forming an obtuse angle with the blade portion. In one preferred embodiment two blade portions (45, 46; 5, 6) are provided; they may be of the same cross-sectional shape (FIG. 2) or symmetrical (FIG. 11). The blade portions and guide region may be divided into two portions to provide partner keys (FIG. 12).
    Type: Grant
    Filed: November 18, 1986
    Date of Patent: November 29, 1988
    Assignee: DOM-Sicherheitstechnik GmbH & Co KG
    Inventors: Herbert P. Hauser, Alexander Stefanescu
  • Patent number: 4716745
    Abstract: A security device for mounting in the alignment or positioning channel of video cassette which prevents utilization of the cassette in a VCR. The security device comprises a locking member having tabs which extend into openings of the alignment channel to retain the member therein after insertion into the channel. The locking member is removed by a key which is inserted into the bore of the locking member and has barbs at its lower end which engage the tabs of the locking member and retract them from within the openings to permit the locking member to be withdrawn from the cassette channel. The locking member also may secure the cassette within a container by passing through a hole in the wall of the container and then into the cassette channel aligned therewith.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: January 5, 1988
    Assignee: Alpha Enterprises, Inc.
    Inventor: Bruce A. Hehn
  • Patent number: 4603565
    Abstract: A cylinder lock assembly which includes a hollow lock body and a barrel rotatably mounted in the lock body having a keyway extending longitudinally from one end thereof.There is also provided a plurality of tumbler pin bores located in the barrel arranged in one or more rows. Each tumbler pin bore communicates with the keyway.There is also provided a plurality of tumbler pins provided in one or more rows wherein each tumbler pin is located in an associated tumbler pin bore.There is also provided a multiplicity of individual or separate locking pins arranged in one or more rows which engage with an adjacent row of tumbler pins transverse to the longitudinal axis of the tumbler pins to retain the barrel in a locked position preventing rotational movement of the barrel relative to the lock body.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: August 5, 1986
    Inventor: Maximilian E. F. Strassmeir
  • Patent number: 4589549
    Abstract: A reusable molded plastic package for holding audio cassettes which enables the cassettes to be stored and displayed in racks heretofore used for record discs and eight-track audio tapes and which includes a slide lock which secures the cassette in the package preventing its unauthorized removal therefrom. In one embodiment, the cassette is mounted in a transverse position at one end of the package enabling the contents of the cassette to be viewed from the end of the package when stored in a horizontal position. In another embodiment, the cassette is mounted in a longitudinal position at one end of the cassette whereby the contents can be read from the front of the cassette when stored in a vertical position. In still another embodiment the package can store either an audio cassette or a compact disc. The slide lock is retracted from its locked position by a manually operated key.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: May 20, 1986
    Assignee: Alpha Enterprises, Inc.
    Inventor: Bruce A. Hehn
  • Patent number: 4498327
    Abstract: A method of forming a key including providing a key blank of V-shaped transverse cross section so as to have two blade portions joined by a base portion. The method further includes forming teeth on the blade portions and then bending the blank to a substantially U-shaped transverse cross section.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: February 12, 1985
    Assignee: Taboola Pty. Ltd.
    Inventors: Brian F. Preddey, Laurence P. Mills
  • Patent number: 4490998
    Abstract: A tamper-resistant lock assembly includes a pair of cooperating keyway guard plates, each of which has a keyway formed therethrough. The guard plates are laterally displaceable relative to one another for movement between an open position, in which the keyways thereof are substantially aligned to allow for passage of at least a portion of a key shank therethrough, and a closed position, in which the keyway of one of the guard plates is at least partially blocked by the other of the guard plates. A uniquely-configured key is also disclosed for use in combination with such guard plates.
    Type: Grant
    Filed: August 23, 1983
    Date of Patent: January 1, 1985
    Inventor: John Wellekens
  • Patent number: 4429555
    Abstract: A revolving cylinder lock having a locking pin extending parallel to the axis of rotation of a barrel part within a cylindric passage and, in the locked condition, received in both a first cavity part extending into the wall of the passage and a second cavity part extending into the barrel and unlocking means angularly displaceable about the axis by a key to an unlocking position and retained between inner and outer guide surfaces and having an edge surface operatively associated with the outer guide surface and the pin and configured normally to retain the pin in the locked condition and, in the unlocking position to release the pin from engagement in the first cavity part and allow the barrel part to be rotatable relative to the housing, means being provided to urge the unlocking means away from the unlocking position.
    Type: Grant
    Filed: April 1, 1981
    Date of Patent: February 7, 1984
    Assignee: Multikey Ltd.
    Inventor: Michael A. Salsbury
  • Patent number: 4325242
    Abstract: A key for use in a hierarchal lock system with an elongated body and selectively spaced notches cut on an elongated edge of the body. Two rows of discontinuous rib members are attached to each side of the elongated body of the key.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: April 20, 1982
    Assignee: ZEISS IKON AG Goerzwerk
    Inventor: Werner Tietz
  • Patent number: 4320638
    Abstract: A key blank in which the upper edge surface of the blade has a longitudinal groove dividing that surface into two laterally spaced parts, and a relatively narrow waist is formed in the blade upper portion by progressive narrowing of the blade width downwardly from and adjacent the upper edge surface. The blade is basically a flat parallel sided member and the waisting is created by two substantially symmetrical grooves. Each part of the upper edge surface on each side of the longitudinal groove slopes downwardly and outwardly so as to be substantially normal to the flat sloping surface of the adjacent waisting groove. A key formed from the blank described has bittings cut in the upper edge surface and each bitting is cut on an angle so that the base of each resulting valley part slopes at substantially the same angle as a part of the upper edge surface. Alternate valley base surfaces may slope in opposite directions.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: March 23, 1982
    Assignee: Ogden Industries Pty. Limited
    Inventors: Gerald F. Dunphy, Donald J. Newman
  • Patent number: 4301664
    Abstract: A claspless bracelet constructed of a malleable band with a key blank attached to at least one end of the band. Preferably the key blank or blanks are formed integral with or permanently affixed to the bracelet band. The bracelet is particularly directed to use by persons engaged in individual athletic activities such as jogging and swimming where it is not convenient to carry a conventional key ring.
    Type: Grant
    Filed: February 26, 1980
    Date of Patent: November 24, 1981
    Inventor: Frederick Wilcox
  • Patent number: 4296618
    Abstract: Lock and key device with the lock comprising a barrel for driving at least one bolt, rotatably mounted in a fixed hollow shaft and containing fittings the cooperation of which with wing couples formed on the key in its operational portion unblocks the barrel relative to the shaft as to a rotary movement when the key is completely driven-in, means being provided in the lock and on the key for limiting the driving-in of the key inside the lock to the unblocking position of the fittings, a longitudinal undeceiver of the key cooperating with a barrel slot, distinguishing a wing couple from another wing couple for the introduction in a correct position of the key inside the lock.
    Type: Grant
    Filed: December 29, 1978
    Date of Patent: October 27, 1981
    Assignee: Fichet-Bauche
    Inventor: Francois Guiraud
  • Patent number: 4126025
    Abstract: Disclosed is a locking device having an inner lock cylinder axially slidable in a recess in the lock housing. Tumbler means prevent relative motion between the cylinder and the housing until the axial insertion of a key with a double set of notches. Upon insertion thereof, the cylinder may be axially displaced only by pressure against the key to actuate the lock release.
    Type: Grant
    Filed: April 5, 1977
    Date of Patent: November 21, 1978
    Assignee: Sanpo Lock Co., Ltd.
    Inventor: Yasuo Miyamae
  • Patent number: 4047410
    Abstract: A releasable, reusable, tamperproof device for attaching an anti-theft monitor to an article of merchandise is disclosed. The attachment device includes a tack adapted to be passed through the monitor and the article and into a keeper. The keeper encloses a one-way fastener of the type having opposed legs defining surfaces for gripping the pointed shank of the tack. Compression of the opposed legs to a releasing position permits withdrawal of the tack. In accordance with one embodiment, the keeper includes openings through which rotatable key means are insertable for engaging and displacing the legs to the tack-releasing position. In another embodiment the keeper incorporates flexible diaphragms dividing the keeper into a pair of side chambers separated by a central chamber enclosing the one-way fastener. Pressurization of the side chambers deflects the diaphragms into engagement with the fastener legs and causes displacement thereof to the tack-releasing position.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: September 13, 1977
    Assignee: Mrs. Lawrence Israel
    Inventor: Leo R. Close
  • Patent number: 4044578
    Abstract: A safety lock and its actuation key are disclosed. The lock comprises an apertured barrel mounted in a cylinder which barrel can be rotated with respect to the cylinder when notched cams inside said barrel have their notches aligned, so that by rotating the key at least one longitudinal catch placed between the barrel and said cylinder can take place into said aligned notches. The apertures form two couples of shanks perpendicular to a central channel for the key body and the shanks of a couple are offset in height with respect to one another.
    Type: Grant
    Filed: January 9, 1976
    Date of Patent: August 30, 1977
    Assignee: Fichet-Bauche
    Inventor: Francois Guiraud
  • Patent number: 3973418
    Abstract: A releasable, reusable, tamperproof device for attaching an anti-theft monitor to an article of merchandise is disclosed. The attachment device includes a tack adapted to be passed through the monitor and the article and into a keeper. The keeper encloses a one-way fastener of the type having opposed legs defining surfaces for gripping the pointed shank of the tack. Compression of the opposed legs to a releasing position permits withdrawal of the tack. In accordance with one embodiment, the keeper includes openings through which rotatable key means are insertable for engaging and displacing the legs to the tack-releasing position. In another embodiment the keeper incorporates flexible diaphragms dividing the keeper into a pair of side chambers separated by a central chamber enclosing the one-way fastener. Pressurization of the side chambers deflects the diaphragms into engagement with the fastener legs and causes displacement thereof to the tack-releasing position.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: August 10, 1976
    Assignee: Mrs. Lawrence Israel
    Inventor: Leo R. Close
  • Patent number: 3971237
    Abstract: A lock for sliding doors for cabinets and the like. A shoulder on a catch element carried by the door extends through a lock opening in the cabinet frame and engages the edge thereof to secure the door. A key of particular length moves the shoulder from the locked position to an intermediate position at which it can pass outwardly through the back opening. If the catch element is moved too far, a second shoulder engages the edge of the lock opening and the door cannot be opened.
    Type: Grant
    Filed: July 9, 1975
    Date of Patent: July 27, 1976
    Assignee: Georgia-Pacific Corporation
    Inventor: Holgar Rasmussen