Cylinder Patents (Class 70/373)
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Patent number: 10273716Abstract: A rekeyable lock includes a cylinder, a plug and a blocker. The cylinder includes a main body, an accommodation hole and a through hole penetrating through the main body and communicating with the accommodation hole. The plug is rotatably disposed in the accommodation hole. The blocker is movably disposed in the accommodation hole and includes a block portion and a position portion connecting with each other. The block portion is located between the main body and the plug. The position portion protrudes outside the accommodation hole via the through hole and positioned on a steady portion of the main body. The bottom pins can be removed from or blocked in the plug by the blocker for key replacement, and the position of the block portion can be easily adjusted by the position portion protruding outside the accommodation hole for rapidly replacing the bottom pins.Type: GrantFiled: March 1, 2018Date of Patent: April 30, 2019Assignee: TAIWAN FU HSING INDUSTRIAL CO., LTD.Inventor: Fu-Chih Huang
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Patent number: 9809995Abstract: Described herein is locking apparatus, method for making a locking apparatus, and method for mounting a locking apparatus to the door of a personal storage container. The locking apparatus may include a threaded portion having deformed threads and a lock body shape to fit a restrictive mounting hole.Type: GrantFiled: February 19, 2016Date of Patent: November 7, 2017Assignee: UNITED STATES POSTAL SERVICEInventors: Donald E. Irwin, Michael L. Spears, Robert Dalton
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Patent number: 8919156Abstract: A core replaceable hockey lock includes a housing having a space defined therein. An installation hole is defined in one end thereof and a slit is defined in the inner periphery of the installation hole. An insertion hole is defined in the housing and communicates with the slit. A deadbolt is rotatably installed in the installation hole and has a recess which is located corresponding to the slit. The deadbolt has at least one passive member connected thereto which is located in one end of the housing. A positioning plate is inserted in the slit and the recess to axially position the deadbolt. A positioning pin is inserted into the insertion hole and positions the positioning plate. The hockey lock can use different cores installed therein such as six-bead core, seven-bead core or bead-replaceable core. The user needs only one key to unlock all of the hockey locks.Type: GrantFiled: February 21, 2014Date of Patent: December 30, 2014Assignee: Federal Lock Co., Ltd.Inventor: Tien-Kao Liu
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Patent number: 8893535Abstract: A lock cylinder of a motor vehicle has a cylinder housing formed from plastic and the cylinder housing has an opening for receiving a cylinder core. The plastic of the cylindrical housing is reinforced at least in certain regions with aramid fibers. Thus, the cylinder housing is extremely robust and increases the forcing resistance of a door lock equipped therewith.Type: GrantFiled: November 25, 2013Date of Patent: November 25, 2014Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventor: Jens Zimmer
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Patent number: 8756963Abstract: A sealed push button latch. It includes a housing with an upper cavity and a lower cavity and a rim which provides a seal contact seat. The lower cavity has a latch opening formed therein at a first side thereof, and at least one drain/return clip aperture formed at a second side thereof. A push button with a keyed lock is slidably received in the upper cavity. A biasing device biases the push button to a closed position. A seal positioned on the push button provides sealing between the seal contact seat of the rim of the housing and the push button. A locking latch is slidably positioned in the lower cavity, and is slidably movable between a protruding position through the latch opening, and a retracted position, wherein pushing the push button down into the housing retracts the locking latch into the lower cavity.Type: GrantFiled: July 13, 2012Date of Patent: June 24, 2014Assignee: S.P.E.P. Acquisition Corp.Inventor: Tam Le
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Patent number: 8756964Abstract: A centralized unlocking operation device is provided in which a first operating arm pivots in response to a rotor being pivoted from a neutral position in a forward direction, and a second operating arm pivots in response to the rotor being pivoted from the neutral position in a reverse direction, wherein a first pressing face (38) that abuts against and imposes a pressing force on a first pressure-receiving part (35) of the first operating arm (33) when the rotor (15) is pivoted from the neutral position to the first operating position side and a second pressing face (39) that abuts against and imposes a pressing force on a second pressure-receiving part (36) of the second operating arm (34) when the rotor (15) is pivoted from the neutral position to the second operating position side are formed on a cam part (37) provided on the rotor (15), and the spring (32) is provided between the first and second operating arms (33, 34) so as to urge the first and second operating arms (33, 34) in a direction in which tType: GrantFiled: July 26, 2011Date of Patent: June 24, 2014Assignee: Kabushiki Kaisha Honda LockInventors: Hitoshi Yano, Nobuyuki Satou, Hayato Wakai
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Publication number: 20140137613Abstract: A lock cylinder includes a housing, in which a sleeve having a cylinder core accommodated therein is rotatably supported. The cylinder core has spring-loaded tumblers forming a form closure with recesses arranged in the sleeve when a key engaging the tumblers is removed. Inside the housing, the sleeve is coupled to a coupling element by means of a disengaging sleeve. The coupling element is supported inside the housingand connected to a bearing in a rotationally-fixed manner. The bearing supports an output element. At least one of the sleeve and the coupling element forms a form closure with the bearing to block the rotation of the output element if an improper object is used in operative connection with the cylinder core.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Applicant: HUF HÜLSBECK & FÜRST GMBH & CO.Inventor: Matthias Löw
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Patent number: 8650919Abstract: An anti-break lock includes a body and two rods respectively extend from two ends of the body. Two rings extend radially from the body. The body has a passage which communicates with one of the rings and the ring is engaged with an engaging block. The engaging block has a recess in which a pad is received. The passage has a resilient member and a stop pin received therein and the stop pin has a first shoulder and a second shoulder formed in two ends thereof. A contact portion extends from the second shoulder. The body has a room which communicates with the passage. A resilient piece and an engaging member are received in the room. When the lock is damaged, the contact portion is inserted into the recess and stopped by the engaging member so that it cannot move back to its initial position. The lock cannot be unlocked.Type: GrantFiled: May 23, 2012Date of Patent: February 18, 2014Inventor: Tien-Kao Liu
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Patent number: 8640515Abstract: The bar has two arms (12, 13) which can each be inserted into a recess (6) of the housing (2) of one of the two cylinder halves (1). The arms (12, 13) each have several drilled holes to accommodate attachment pins. The bar has a middle part (9) as base element and at least one extension part (16). The middle part (9) and the extension part (16) can be interconnected and each has at least one drilled hole (15, 21) to accommodate a connecting pin (30).Type: GrantFiled: February 3, 2009Date of Patent: February 4, 2014Assignee: Assa Abloy (Schweiz) AGInventor: Urs Späni
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Patent number: 8505347Abstract: A locking device which has a lock cylinder and a matching key. The key has a key bit with at least one coding notch and a blocking rib with at least one indentation. The lock cylinder has a housing with a bearing bore and a cylinder core that is mounted in the bearing bore and a blocking member. The blocking member is engagable in a blocking recess of the bearing bore and prevents rotation of the cylinder core. A pivot lever is mounted in the cylinder core and has a bearing end about which the pivot lever pivots, and a sensing end which senses the blocking rib The pivot lever closes off a capturing opening for the housing pin when the blocking rib is the proper height and opens the capturing opening after a partial rotation of the cylinder core when the blocking rib is missing.Type: GrantFiled: September 10, 2010Date of Patent: August 13, 2013Assignee: C. Ed. Schulte Gesellschaft Mit Beschraenkter Haftung ZylinderschlossfabrikInventors: Theo Piotrowski, Michael Reine
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Patent number: 8424349Abstract: A recodeable lock includes a housing, a cylinder plug, a plurality of wafer tumblers, and a sidebar coupled with the cylinder plug. The sidebar is assembled with a plurality of code blocks and a codebar releasably securing the code blocks to the sidebar. A liftbar is disposed in the housing radially outward of the cylinder plug and is configured to selectively engage a radially outward extending appendage of the codebar when the cylinder plug and sidebar are rotated to a recoding orientation, to release the code blocks from the sidebar. The housing includes a circumferential track axially positioned to receive the appendage of the codebar to permit greater than 180 degree rotation of the cylinder plug and sidebar with respect to the housing.Type: GrantFiled: January 20, 2009Date of Patent: April 23, 2013Assignee: Master Lock Company LLCInventors: Jesse A. Marcelle, Dean A. Paulson
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Patent number: 8387424Abstract: The invention relates to a method for making a rotating lock (10) for the locking system of an automotive vehicle, that comprises at least first and second complementary parts (5, 6) that can be assembled in at least one overlap area (7) for defining a stator (12) inside which a rotor (11) can be rotated, characterized in that it comprises the following steps: a first step for assembling the two parts (5, 6) in order to position in said overlap area (7) at least one opening (32) formed in the first part of the stator (6) opposite the opening of a corresponding cavity (34) formed in the second part of the stator (5); a second crimping step during which a crimping punch (22) is introduced in each opening (32) for at least partially deforming the wall of the opening (32) in the direction of the corresponding cavity (34) in order to crimp the assembly of the two parts of the stator (5, 6).Type: GrantFiled: February 4, 2008Date of Patent: March 5, 2013Assignee: Valeo Securite HabitacleInventor: Bernard Planteline
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Patent number: 8347678Abstract: A rekeyable lock cylinder assembly includes at least one lock cylinder and a mortise lock adapter. Each lock cylinder includes a cylinder body with a longitudinal axis. A locking bar is disposed in the cylinder body for movement transverse to, and rotationally about, the longitudinal axis. A plug assembly having a tool receiving aperture is disposed in the cylinder body and is rotatable about the longitudinal axis. A plurality of pins and a corresponding plurality of racks are disposed in the plug assembly. A first member is moveable in response to application of a force by a tool received through the aperture to simultaneously disengage all of the plurality of racks from the plurality of pins. The mortise lock adapter includes a housing configured for receiving the cylinder body of the lock cylinder. A mortise lock actuator is coupled to the plug assembly of the lock cylinder.Type: GrantFiled: June 11, 2008Date of Patent: January 8, 2013Assignee: Newfrey, LLCInventor: Gerald B. Chong
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Patent number: 8336346Abstract: A lock includes a stationary key mass having a first key mass bore and a keyway, and a movable spring mass including a first spring mass bore. A first spring mass pin is mounted in the first spring mass bore, and a first key mass pin is mounted in the first key mass bore for reciprocation between a locked position immobilizing the spring mass and an unlocked position unconstraining motion in at least one direction. The unlocked position is a function of the presence of a matching key in the keyway. Multiple key mass and spring mass pins can be used, some or all of which can have stepped configurations, and corresponding single-bladed or multi-bladed keys, or multiple keys, can be used. The keys can be straight or curved in any of various planes, or they can be straight but flexible to match curved keyways. Curves can be unidirectional or compound. Relative motion between the key mass and spring mass can be in a plane or along straight line or circular.Type: GrantFiled: August 18, 2010Date of Patent: December 25, 2012Assignee: Gordon B. J. Mah and Yu-Chen Mah Family TrustInventor: Gordon B. J. Mah
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Publication number: 20120118032Abstract: The invention relates to a lock cylinder comprising: a cylinder core (2) having a key channel (7) for inserting a key (5) which is provided with profiling (18); at least one feeler element (9) which is disposed in the cylinder core (2), is acted on by a spring (8) and is held in a blocking position by the spring (8) when the key (5) is not inserted in the key channel (7); and a blocking element (13) which, when the feeler element (9) is in the blocking position, is held in a blocking position which blocks rotation of the cylinder core (2), it being possible for the feeler element (9) to be shifted against the return force of the spring (8) into a release position by the profiling (18) on the matching key (5) inserted into the key channel (7), in which position the locking element (13) can be deflected into a position releasing the cylinder core (2).Type: ApplicationFiled: July 1, 2010Publication date: May 17, 2012Applicant: C. Ed Schulte Gesellschaft mit beschränkter Haftung ZylinderschlossfabrikInventor: Andreas Baumann
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Patent number: 8166784Abstract: A lock mechanism includes a cover plate positionable over a plurality of pin chambers in a cylinder housing wherein one or more of the pin chambers include an internal threaded portion. The lock mechanism includes one or more pin assembly caps that are operative to secure the cover plate to the cylinder housing of the lock by threadably engaging with threaded pin chambers. The pin assembly caps include an internal cavity sized to receive at least a portion of a pin assembly, such that threaded pin chambers and unthreaded pin chambers have substantially the same dimensions without substantially increasing the dimensions required for the lock mechanism. The pin assembly caps include a socket (e.g., a hex socket, a Phillips-type socket, or the like) that allow users to selectively remove and secure the cover plate to the cylinder housing common tools.Type: GrantFiled: March 25, 2010Date of Patent: May 1, 2012Assignee: GMS Industries, Inc.Inventor: Mike Yueh-Ming Tong
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Patent number: 7987688Abstract: A turning knob with a lock for an electric circuit indicating a body for receiving a barrel rotating relative to a stator. The barrel includes springs receiving a key configured while rotating to take up at least two functional retained or released positions and having at one of its ends a shank configured to be actuated by rotating the key. The body has an inner cylindrical sleeve whereon the stator is urged to be positioned, the inner sleeve having a number of identical members for positioning the stator, each positioning member of the inner sleeve matching a corresponding positioning member of the stator, so as to select the position of the stator relative to the body.Type: GrantFiled: February 9, 2006Date of Patent: August 2, 2011Assignee: Schneider Electric Industries SASInventors: Patrice Thizon, Bernard Desaphie
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Patent number: 7956741Abstract: A tumbler-type lock apparatus for use with a tumbler-type card key having a code pattern region including an array of holes and non-hole portions that expresses a key code of the tumbler-type card key. The tumbler-type lock apparatus includes a slider case and a slider movable relative to the slider case when the tumbler-type card key is inserted into the tumbler-type lock apparatus. Tumblers extending in the slider case and slider each correspond to one of the holes or non-hole portions. Springs bias the tumblers towards the slider. The tumbler-type lock apparatus verifies the tumbler-type card key when the tumblers are engaged with the slider case and slider during insertion of the tumbler-type card key. The slider includes accommodation portions. A distal end of the tumbler that has passed through the corresponding hole of the tumbler-type card key is accommodated in the corresponding accommodation portion.Type: GrantFiled: October 2, 2008Date of Patent: June 7, 2011Assignee: Kabushiki Kaisha Tokai Rika Denki SeisakushoInventors: Takumi Tamezane, Toshiharu Katagiri
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Publication number: 20110083484Abstract: A locking device which has a lock cylinder and a matching key. The key has a key bit with at least one coding notch and a blocking rib with at least one indentation. The lock cylinder has a housing with a bearing bore and a cylinder core that is mounted in the bearing bore and a blocking member. The blocking member is engagable in a blocking recess of the bearing bore and prevents rotation of the cylinder core. A pivot lever is mounted in the cylinder core and has a bearing end about which the pivot lever pivots, and a sensing end which senses the blocking rib The pivot lever closes off a capturing opening for the housing pin when the blocking rib is the proper height and opens the capturing opening after a partial rotation of the cylinder core when the blocking rib is missing.Type: ApplicationFiled: September 10, 2010Publication date: April 14, 2011Applicant: C. Ed. Schulte Gesellschaft mit beschraenkter Haftung ZylinderschlossfabrikInventors: Theo Piotrowski, Michael Reine
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Publication number: 20100284144Abstract: A plunger-type security lock includes a slotted, cylindrical sliding key receptacle, a ferrule arranged on an outer cylindrical surface of the sliding key receptacle that is configured for attachment to a locking member, a cylindrical plunger, a sliding key including a hooking end and a plunger-contact end that is configured with a key definition and for slidable spring-loaded operation within the slotted, cylindrical sliding key in cooperation with the cylindrical plunger to extend and hook the flexible locking strip and to retract with and lock the locking strip in locking state and a locking mechanism that defines the locking state in cooperation with the key definition.Type: ApplicationFiled: January 25, 2010Publication date: November 11, 2010Inventor: Peter Allen
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Patent number: 7770424Abstract: A cylinder lock device includes a rotor case in a cylindrical shape, a rotor arranged to be rotatable inside the rotor case including a key insert hole being formed to extend in an axial direction, a sleeve arranged to be rotatable between the rotor case and the rotor and having an engaging groove, and a plurality of tumblers provided in the rotor to be movable in a radial direction to engage with the engaging groove of the sleeve when biased to an outer radial direction and to release the engagement with the sleeve by disengaging with the engaging groove when a regular key is inserted into the key insert hole. A position in a circumferential direction and a size of the engaging groove of the sleeve is configured to contact with an inner surface of the engaging groove at a different position in a circumferential direction with respect to at least two tumblers among the plurality of tumblers.Type: GrantFiled: August 7, 2008Date of Patent: August 10, 2010Assignee: Kabushiki Kaisha Tokai Rika Denki SeisakushoInventors: Takumi Tamezane, Toshiharu Katagiri
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Patent number: 7716958Abstract: An insert type of cylinder cabinet cam lock permits use of Schlage-compatible deadbolt cylinders in a cabinet door and/or drawer cam lock. A bifurcated, housing is provided that journals a cam driver adapted for operational interconnection with the Schlage-compatible standard deadbolt.Type: GrantFiled: June 7, 2007Date of Patent: May 18, 2010Assignee: Olympus Lock, Inc.Inventor: Frank J. Martin
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Patent number: 7698916Abstract: A lock with a core rotatable in an intermediate shell that is rotatable in an outer shell of the lock's body resists attack by the application of excessive torque to the keyway or drilling into the core.Type: GrantFiled: March 26, 2008Date of Patent: April 20, 2010Assignee: Videx, Inc.Inventor: Paul Davis
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Publication number: 20100031716Abstract: A lock core and key blank are disclosed. The disclosed lock core includes a core body, a core sleeve, a core plug, and a side pin assembly including a side pin, a region pin, and a spring.Type: ApplicationFiled: November 2, 2009Publication date: February 11, 2010Inventor: Diana Teixeira
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Patent number: 7634929Abstract: The invention relates to a cylinder core (1) which can be mounted in a rotatable manner in a locking device, in particular of a storage compartment or of a glove compartment of a motor vehicle, and has a head region (6), which has a key channel (2) into which a key can be introduced, and a retaining region (7), which adjoins the head region (6) and is formed with a control means (8) which, when the cylinder core (1) is rotated about its axis of rotation (11), moves an arresting means, which is arranged in the locking device, for a closing and/or opening operation. The invention provides for the cylinder core (1) to have at least two material bodies (6, 7, 8), wherein a first material body (6, 7) is configured with the head region (6), which contains a first plastic, and a second material body (7, 8) is designed with the control means (8), which contains a second plastic, the second plastic having a higher strength than the first plastic.Type: GrantFiled: February 27, 2006Date of Patent: December 22, 2009Assignee: HUF Hulsbeck & Furst GmbH & Co. KGInventors: Frank Kuhnke, Armin Geurden, Dirk Jacob
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Publication number: 20090293564Abstract: A lock with associated key, of the type comprising a stator provided with a substantially cylindrical longitudinal cavity for accommodating a rotor with a longitudinal recess for the insertion of a coded key. The rotor and the stator comprise a plurality of channels which accommodate respective pins, complementary pins and optional elastic elements. At least one of the pins has at least one substantially lateral protruding tab, whose upper edge is suitably contoured. The key has a cross-section that is complementary to the cross-section of the longitudinal recess when the pins, at the regions aligned with the tab, are in a configuration for disengaging the stator and the rotor, accommodating with contact the end of the pins in respective coding recesses and the contoured rim of the corresponding tab on complementarily shaped portions.Type: ApplicationFiled: June 5, 2007Publication date: December 3, 2009Applicant: CISA S.P.A.Inventor: Enzo Talamonti
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Patent number: 7596975Abstract: An improved lock mechanism comprising an anti-pry shield having a hollow body with a first end and a second end, and a cylindrical shield at its first end; a knob-set cylinder having a plug with a key end and a driver end; a monolithic cylinder guard having a body with a beveled exterior side wall between a first end and a second end, the second end having a bore, a cylinder receiver having a cavity open to the first end, the cavity adapted to receive the knob-set cylinder from the first end, the cavity open to the bore in the second end, the bore adapted to receive the key end of the plug; and a cover having a beveled exterior side wall between an open first end and a covered second end, the decorative cover permanently secured to and covering the beveled exterior side wall and the second end of the monolithic cylinder guard, the covered second end of the cover having a bore coaxial with the bore in the second end of the monolithic cylinder guard and the plug of the knob-set cylinder.Type: GrantFiled: December 21, 2006Date of Patent: October 6, 2009Inventors: Zhi Man Yuan, Xiang Bei Zou, Gua Hua Liu
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Patent number: 7530246Abstract: A wafer-type tumbler cylinder comprises a sleeve, a cylinder, some wafers and some springs. A shaft of the cylinder includes a first and a second semicircular columnar body. The first semicircular columnar body includes a front flange, a rear drive section and a U-shaped indentation at the inner lateral surface that provides for insertion into the second semicircular columnar body. On the first and second semicircular columnar bodies, one or more slots are disposed to fasten with the wafers. A relatively wider rectangular notch is disposed between the inner sides of every two slots, which are respectively installed with a wafer; only one spring is positioned in the wider rectangular notch, thereby serving as a shared spring for every two wafers. The material cost of a spring is saved; besides, it's able to prevent from prying effectively because a burglar cannot pry two wafers supported by a shared spring.Type: GrantFiled: May 21, 2007Date of Patent: May 12, 2009Inventor: Cheng-Ju Yang
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Patent number: 7350382Abstract: A turnbuckle lock for use on a thin-walled door includes a locking tongue and actuating mechanism that are formed as one piece with one another. An inner seal disposed between the housing and actuating mechanism is formed by being sprayed onto the housing. The actuating member and the housing member enclosing the actuating mechanism are permanently connected to each other, and the inner seal is placed inside at least one free space formed on the actuating mechanism. The inner seal and outer seal also may be formed as a one-piece element. By the permanent connection of the housing and the component made up of the actuating mechanism and the locking tongue, it is ensured that the locking tongue cannot be detached from the actuating mechanism, so that the locking function of the turnbuckle lock is always provided.Type: GrantFiled: February 13, 2004Date of Patent: April 1, 2008Assignee: EMKA Beschlagteile GmbH & Co. KGInventor: Rainer Hoffmann
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Patent number: 7251970Abstract: A cylinder housing arrangement, where the cylinder housing encloses a lock cylinder or the like, which comprises a number of locking elements to be arranged by a key, preferably tumbler discs to be turned by a key, which discs in their locked position prevent the turning of the lock cylinder relative to the cylinder housing. The cylinder housing comprises a body part and a separate cover part, which is arranged to be installed in the crosswise direction relative to the cylinder housing at the end of the body part on the inserting side of a key, so that it is locked to the body part in the axial direction of the cylinder housing.Type: GrantFiled: February 24, 2004Date of Patent: August 7, 2007Assignee: Abloy OyInventor: Pekka Mielonen
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Patent number: 7219519Abstract: A cylinder housing includes a longitudinal hole for receiving a cylinder of an auxiliary lock. An annular flange is formed on an end of an outer circumference of the cylinder housing, leaving an annular end portion on the end of the cylinder housing. The cylinder housing is mounted to an outer surface of a door having a bore-hole, with the end portion being in intimate contact with a circumferential surface delimiting the bore-hole of the door, and with the annular flange intimately abutting against the outer surface of the door.Type: GrantFiled: December 27, 2005Date of Patent: May 22, 2007Assignee: I-Tek Metal Mfg. Co. LtdInventor: Mu-Lin Shen
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Patent number: 7121127Abstract: A lock set with a quick changeability has a plug, a cylinder, a seat, a ring and a sliding cover. The plug is mounted in the cylinder and has multiple first holes in rows wherein multiple lower pins are inserted. The cylinder has a chamber radially defined therein wherein the plug is inserted, and a lug formed in a top end thereof. Multiple second holes in rows are respectively defined in the lug and multiple upper pins and springs are inserted into the second holes. Multiple openings in rows are respectively defined in a lower inner wall of the cylinder wherein upper pins and springs are inserted into the second holes. The sliding cover abuts the lower inner wall of the chamber and has multiple orifices in rows defined therein. Hence, it is easy for a user to change a corresponding key.Type: GrantFiled: December 16, 2005Date of Patent: October 17, 2006Assignee: Eversafety Precision Industry (Tianjin) Co., Ltd.Inventor: Fang-Chang Fan
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Patent number: 6948345Abstract: A lock enhancement arrangement for protecting a cylinder lock, from being damaged by an axial tension is disclosed. The lock enhancement arrangement comprises a lock body having a lock channel defining an axial lock cavity and an axial reinforcing cavity, a lock unit which is adapted for actuating a latch assembly, comprising a lock cylinder disposed in the lock cavity for a corresponding key to actuate the latch assembly and a pin seat radially extended from the lock cylinder at a position within the reinforcing cavity, and a retention member, having an axial retaining slot, securely supported within the reinforcing cavity, wherein the pin seat of the lock unit is substantially engaged with the retaining slot of the retention member to block an axial movement of the lock cylinder within the lock cavity so as to substantially retain the lock unit within the lock channel of the lock body.Type: GrantFiled: May 26, 2004Date of Patent: September 27, 2005Assignee: Path Line (NG'S) Holdings LimitedInventor: JiaQiang Ruan
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Patent number: 6810703Abstract: A casing structure for a cotter-pin type lock core is consisted of a semi-cylindrical casing which defines a longitudinal axis. The semi-cylindrical casing includes a first sidewall, a first side edge, at least one first engaging portion, a second sidewall, a second side edge and at least one second engaging portion. The first engaging portion and the second engaging portion are extended from the first side edge and the second side edge respectively, and adapted to engage with the lock core. The first side edge and the second side edge are opposite and define a maximum diameter. And the first engaging portion and the second engaging portion define a width that is slightly smaller than the maximum diameter defined by the first side edge and the second side edge.Type: GrantFiled: June 20, 2003Date of Patent: November 2, 2004Assignee: Taiwan Fu Hsing Industrial Co., Ltd.Inventors: Chih-Cheng Huang, Chih-Ming Su
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Patent number: 6708539Abstract: A removable core cylinder having a casing with a cavity, a lock core insertable into the cavity, a cylindrical, rotatable key plug located in a bore in the core, and a retainer member, which is transversely movable in the lock core between a first, locking position and a second, releasing position. The casing has an inwardly protruding locking projection which engages with an axially limited recess in the retainer member when the latter is located in the first, locking position.Type: GrantFiled: October 3, 2001Date of Patent: March 23, 2004Assignee: Winloc AGInventor: Bo Widen
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Patent number: 6595033Abstract: A leaf spring includes a plate having a hole into which a key cylinder is inserted, a notch into which a convex portion of the key cylinder is inserted, and spring tabs which can be bent elastically in the insertion direction of the key cylinder formed thereon. The top end of the spring tabs is inclined with respect to the bottom of the rectangular groove before bending, so that the top end is partially brought into contact with the back wall edge after bending. The key cylinder can be attached simply by inserting the key cylinder into the hole of an attachment unit. Freedom of the assembly order is therefore increased. Furthermore, the vibration of the key cylinder in the insertion direction of the key cylinder is reduced.Type: GrantFiled: September 2, 1999Date of Patent: July 22, 2003Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Ikuo Hara, Ken Kojika
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Patent number: 6532781Abstract: The invention relates to a built-in safety device comprising a housing (3) and a rotor (4) mounted therein. Tumblers (8) are mounted in the housing (3) and in the rotor (4). The maximal length (A) of the built-in safety device (1) is approximately 40 mm, and the effective part (2c) of the key (2) is essentially as long as the rotor (4). In addition, the rotor (4) is constructed as one piece and can be operated from both sides thereof. The inventive built in safety device can be installed in a mortise lock more easily than a cross-key bit safety device and permits the production of a locking system.Type: GrantFiled: October 17, 2000Date of Patent: March 18, 2003Inventor: Ernst Keller
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Publication number: 20020144527Abstract: A lock actuation assembly for use in a lock chassis. The lock actuation assembly comprises a core and a driver. The core includes a tubular portion positionable in the lock chassis and including a passage therethrough. A flange extends through the tubular portion and is biasable to a position in which a driver engaging portion is within the passage and a projection engaging portion is within the tubular portion's extent. The driver includes a shaft configured to be received within the passage to operably engage the lock chassis' drive system and to engage the flange driver engaging portion such that the projection engaging portion is forced into engagement with a projection extending into the lock chassis core-receiving chamber.Type: ApplicationFiled: April 10, 2001Publication date: October 10, 2002Inventors: Troy A. Dalsing, Frederick M. Hensley
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Patent number: 6202457Abstract: A lock core assembly is provided for a cylindrical lock. The cylindrical lock includes a knob having a lock core opening defined in an end face thereof and a spindle projected outward from the other end face thereof. A slot extends along the spindle and includes an extension extended into the other end face, thereby defining two stop wall portions on two opposite sides of the extension of the slot. The lock core assembly includes a barrel and a lock core rotatably mounted in the barrel. The barrel includes a protruded top portion with two lateral wings bearing against the stop wall portions of the extension of the slot.Type: GrantFiled: March 1, 2000Date of Patent: March 20, 2001Assignee: Taiwan Fu Hsing Industrial Co., Ltd.Inventors: Chiang-Lin Hsueh, Jo-Chiao Wang
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Patent number: 6170307Abstract: Disclosed is an improved cylinder construction for use with a lock system. The cylinder services to frustrate the use of lock picking tools, such as a tensioning device. Specifically, a pair of opposing flat regions are formed at the lower end of the cylinder. Furthermore, the key way formed within the cylinder has an opened lower end. These features make a system which is completely resistant to picking by way of traditional pick tools. Furthermore, the cylinder cannot be broken by way of a screwdriver or drill.Type: GrantFiled: January 28, 2000Date of Patent: January 9, 2001Inventor: George N. Feder
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Patent number: 6035673Abstract: A sliding door lock assembly having a lock housing and a removable core is disclosed. The removable core includes a key slot configured to receive an operating key and a control key. The control key is positionable within the key slot and actuable to facilitate removal of the removable core from the lock housing. The operating key positionable within the key slot and actuable to retain the removable core at a position fully inserted within the lock housing.Type: GrantFiled: October 14, 1998Date of Patent: March 14, 2000Assignee: Kenstan Lock CompanyInventor: Robert B. Harrison
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Patent number: 5966973Abstract: A previously used lock assembly constructed for operation using a given key may be operated by a different key after rebroaching. Instead of requiring an expensive, complete replacement of a lock assembly and its operable keys, the present invention allows a lock assembly to be refitted for a different key by a relatively inexpensive replacement of its plug and at least one of the tumbler components, preferably the bottom pin only, of one or more preexisting sets of tumbler components, as needed to modify the lock to receive the different key.Type: GrantFiled: September 18, 1997Date of Patent: October 19, 1999Inventor: James A. Watts
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Patent number: 5884512Abstract: A multi-use lock housing and cylinder includes a cylinder of a size and shape such as that typically used in key-in-knob locks. A two-part housing includes an outer housing portion and an inner housing portion, each having a bore and a slot into which the lock cylinder can be fitted. The housing and its associated lock cylinder can be used as a direct replacement for existing rim lock cylinders or mortise lock cylinders. The upper, front portion of the outer housing portion can be enlarged for added strength. The enlarged portion can be provided with a receptacle into which a piece of hardened metal is fitted. An extension having a pair of right-angled slots projects from the rear face of the cylinder and the inner housing. The slots receive driving members in the form of cams or tailpieces such as those commonly used with rim cylinders and mortise cylinders. Additional inner housings of different lengths can be provided for those applications that require mortise cylinders of different lengths.Type: GrantFiled: December 4, 1997Date of Patent: March 23, 1999Inventor: Kenneth Wayne
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Patent number: 5697238Abstract: A key cylinder to be attached to an outer panel for a vehicle is provided. The key cylinder includes a cylinder body and a casing for accommodating the cylinder body therein. The casing has a drain hole formed at a lower portion thereof for discharging the water out of the casing and first and second swelling formed to project from a side wall thereof. Above the drain hole, the first swelling is formed so as to incline to an axial direction of the key cylinder. The lower end of the first swelling extends up to a lower part of the casing, apart from one end of the drain hole In the axial direction of the key cylinder. In operation, the water climbing down the side wall of the casing is guided by the first swelling and brought into the lower end of the first swelling. Consequently, without flowing up to the drain hole, the water can be prevented from sticking on the periphery of the drain hole.Type: GrantFiled: January 18, 1996Date of Patent: December 16, 1997Assignee: Nissan Motor Co., Ltd.Inventor: Futoshi Oike
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Patent number: 5626041Abstract: A lock cylinder replacement device for replacing locks is inserted into a lock cylinder hole or sleeve after a lock cylinder is removed from the lock cylinder hole or sleeve. The lock cylinder replacement device includes a threaded bolt and a pan head portion. The lock cylinder replacement device may also include a rear fastening plate and a mounting nut for mating with the threaded bolt to secure the lock cylinder replacement device in the lock cylinder hole or sleeve.Type: GrantFiled: May 17, 1995Date of Patent: May 6, 1997Inventor: James M. Zaccaria
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Patent number: 5507163Abstract: An interchangeable lock core includes a main body, an operative ring, and a core body. The main body includes upper and lower sections, the upper section having two sides and a plurality of first holes each for receiving a driver and a spring therein, and the lower section having a first bore extending in a longitudinal axis thereof and a transverse reception hole in a mediate section thereof. The reception hole extends upwardly into the upper section and defines first and second operative edges respectively at two sides of the upper section. A blind hole is defined in the upper section and communicates with the reception hole for receiving a second spring and a ball therein. The operative ring is received in the reception hole of the lower section of the main body and includes a second bore in alignment with the first bore and an extension which projects outwardly from an outer periphery thereof and extends along an arc thereof.Type: GrantFiled: April 4, 1994Date of Patent: April 16, 1996Inventor: Wen-Jang Juang
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Patent number: 5493883Abstract: A lock shell comprising a tubular outer shell for receiving lock components, illustratively a spindle, the shell having an annular key way at the front face; the shell has an enlarged head portion at the front and a reduced diameter cylindrical portion extending from the head portion to the rear of the shell; at least one longitudinally extending lug member is disposed on the outer periphery of the cylindrical portion; the at least one lug starts at the enlarged head and extends rearwardly a minor portion of the length of the shell; the lug has portions successively from the enlarged head consisting of straight top and side walls, inwardly tapering top and side walls, and diminishingly angled walls.Type: GrantFiled: September 19, 1994Date of Patent: February 27, 1996Assignee: Fort Lock CorporationInventor: Gary L. Myers
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Patent number: 5479801Abstract: The invention is directed to a web which has a plurality of parts extending in the longitudinal direction of the web and placed against each other. These parts may be stamped sheet metal parts or cast parts, which can be produced in a very cost-effective manner. Two outer parts can form a shell, into which a stamped interior part of steel has been inserted. These two parts can be produced cost-effectively as cast parts, for example of zinc, aluminum or a plastic material, and the interior part (12) can be produced as a stamped sheet metal part. The invention permits a particularly cost-effective production of the web and in bending tests was shown to be particularly stable.Type: GrantFiled: December 7, 1993Date of Patent: January 2, 1996Inventor: Ernst Keller
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Patent number: 5400629Abstract: An axial pin tumbler lock for housing in an outer shell. The lock includes a shell and a rotatable driver sleeve telescoped into the shell. The driver sleeve has a bird-cage design including a front large inner diameter portion and a rear small-diameter inner portion and circumferentially arranged throughbores in communication with the inner diameters. A stationary tumbler sleeve is also telescoped in the shell, and in a facing relationship with the driver sleeve. The tumbler sleeve slot includes throughbores in communication with an inner diameter. A spindle extends through the sleeves and is rotatably mounted in the driver sleeve. The spindle includes a body portion and a neck portion with a curved transition zone between the two. Driver and tumbler pins mounted in the throughbores normally prevent rotation of the spindle and driver sleeve with respect to the tumbler sleeve.Type: GrantFiled: June 28, 1993Date of Patent: March 28, 1995Assignee: Fort Lock CorporationInventor: Gary L. Myers
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Patent number: 5325690Abstract: A lock which is rekeyable or programmable to operate with a different key from the exterior thereof without disassembling it or removing it from a lock assembly in which it is assembled is disclosed. The lock may be rekeyed through the keyway so that the lock appears from the exterior thereof to be a conventional lock, or from the end opposite the keyway from the interior of a door, or from a side of the lock which requires disassembly of the lock from its lock assembly. The lock includes structure defining a movable shear line that can be adjusted from the exterior of the lock without disassembling the lock itself. Such structure may comprise a rotatable cam and a pin tumbler and an axially adjustable set screw. Security of the lock is improved by selectively restricting or blocking access to the rekeying of the lock in the interior thereof with a gate or shutter, or various combinations of gates or shutters.Type: GrantFiled: February 24, 1992Date of Patent: July 5, 1994Assignee: Richard S. AdlerInventors: Richard S. Adler, Paul F. Morris, Karl D. Kirk, John Milich, Gerard M. Perichon