Class 70/373 - Cylinder

Subclass of Class 70 - Locks
Definition: Subject matter wherein the salient feature resides in the
No. of patents: 55
Last issue date: 04/15/2008

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Number	Title	Issue Date
7357009	Pedastal closure assembly having snag-free lock A quarter turn slide lock assembly having a base, a cover, a slider, a rotator, springs and washers. The base includes a channel for the slider to move between extended and retracted positions. The slider includes internal and exterior cam follower surfaces. The rot...	04/15/2008
7350382	Turnbuckle lock 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 actua...	04/01/2008
7251970	Cylinder housing arrangement 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 tu...	08/07/2007
7219519	Cylinder housing for auxiliary lock 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 ho...	05/22/2007
7210319	Multifunctional vehicle lock A multifunctional vehicle lock including a cylinder lock comprising a rotatable tumbler, a coupling member rotationally linked to the tumbler, wherein rotation of the tumbler rotates the coupling member, a first vehicle locking element connected to the coupling memb...	05/01/2007
7181937	Locking cylinder The locking cylinder has a basic code which can be changed using at least one change key (17, 17′). A rotor (3) is mounted in a cylinder housing (2a, 2b) and has a keyway (4) into which a shank of a standard key whi...	02/27/2007
7146833	Closing cylinder The description relates to a closing cylinder for closure devices comprising a cylindrical closing housing which can be received in a fixed manner in an opening formed by a handle, closure device or the like, a closing core (18) is rotatably mounted in this c...	12/12/2006
7121127	Lock set with a quick changeability 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 w...	10/17/2006
6959567	Lid device of double-sided auxiliary lock A lid device of a double-sided auxiliary lock comprises an inner annular wall, an outer annular wall and a plurality of engaging portions. The engaging portions are equi-spaced on the outer annular wall. A double-sided auxiliary lock has an interior auxiliary lock a...	11/01/2005
6948345	Lock enhancement arrangement 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 uni...	09/27/2005
6810703	Casing structure for a cotter-pin type lock core 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...	11/02/2004
6708539	Lock with removable core 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 ...	03/23/2004
6595033	Attachment structure for key cylinder 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 th...	07/22/2003
6532781	Built-in safety device and key for a safety lock 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, ...	03/18/2003
6202457	Lock core assembly for a cylindrical lock 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 i...	03/20/2001
6170307	Pick-resistant lock system with improved cylinder construction 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 cyli...	01/09/2001
6035673	Sliding door lock with a key removable core 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 faci...	03/14/2000
5966973	Apparatus and method of rebroaching a lock assembly 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 allow...	10/19/1999
5884512	Multi-use lock housing and cylinder 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...	03/23/1999
5697238	Key cylinder 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 th...	12/16/1997
5626041	Lock cylinder replacement device and method of replacing lock cylinder with lock cylinder replacement device 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 por...	05/06/1997
5507163	Interchangeable lock core structure 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...	04/16/1996
5493883	Axial pin tumbler lock 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 ex...	02/27/1996
5479801	Web for a built-in double lock cylinder 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 ...	01/02/1996
5400629	Axial pin tumbler lock 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 i...	03/28/1995
5325690	Lock adjustable to operate with different keys 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 ...	07/05/1994
5295376	Zero clearance lock A combinating tumbler lock featuring zero clearance between the lock plug and mounting shell including: a mounting shell having a central throughbore with a front section having a first, greater diameter and including longitudinal locking grooves, a rear ...	03/22/1994
5226304	Universal cylinder modification kit enables lock to have interchangeable care An interchangeable core and housing assembly comprising a cylinder housing (42) which has a central opening with an alignment bracket (44) in one part of its cross-section and an interchangeable core (60) in the remaining part. The interchangeable core co...	07/13/1993
5181406	Locking device consisting of key and locking cylinder A locking device consisting of key (2) and locking cylinder (1), in particular for the actuation of electric microswitches on keyboards, telephone or the like, has a locking cylinder housing (5) and a cylinder core (11) arranged for rotation in the bore t...	01/26/1993
4939916	Lock construction A lock construction including an outer case having a central opening that receives a cylinder. A plurality of plate-type tumblers are mounted for sliding movement within a passage in the cylinder and the tumblers have aligned slots to receive a key. The s...	07/10/1990
4856307	Device for protecting motor-vehicle wheels against theft A device for protecting motor-vehicles against theft comprising a freely rotatable sleeve covering the polygonal head of a wheel nut or screw, into which sleeve a cylinder lock engages rotatably, which lock is provided with at least one tumbler entering t...	08/15/1989
4850210	Lock adjustable to operate with different keys 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 is rekeyed by a change key through the keyway ...	07/25/1989
4715201	Cylinder lock with removable plug A cylinder lock with a removable plug incorporates a series of spring biased combinating disc tumblers which cooperate with a first key in normal lock operation. An additional, unbiased control tumbler at the end of the plug cooperates with a retention fl...	12/29/1987
4712400	Removable cylinder lock There is disclosed an improved rotatable cylinder lock of the type formed by a cylindrical housing and a removable elongated lock core, the cylinder housing including a tumbler block positioned within the cylindrical housing and extending inwardly with re...	12/15/1987
4672828	Key-in-knob cylinder replacement system A key-in-knob type cylinder replacement system comprises a replacement cylinder having a generally cylindrical shell and a plug having a keyway and housing pin means to prevent the rotation of the plug. A false bible dimensioned to be generally commensura...	06/16/1987
4472953	Pin-type lock with axial split cylinder and/or plug A pin-type lock cylinder telescopes a rotatable lock plug with a multiplicity of generally axially and radially aligned pin holes formed in each and pins in the pin holes controlled by a key inserted axially into the plug for properly radially positioning...	09/25/1984
4444033	Cylinder assemblies for lock system and method of manufacture A cylinder lock assembly is provided with a cylindrical plug that may be interchanged and used in different exterior body members without changing the exterior body member of the assembly. This is of advantage to eliminate the need to stock a variety of e...	04/24/1984
4444034	Pull-resistant lock core A key-removable core of figure-8 cross section having increased pull resistance. A recess is formed in the pin tumbler lobe of the core body and opens both outward through the side of the body and downward toward the key plug lobe. A control sleeve in the...	04/24/1984
4395893	Plate tumbler-type cylinder lock mechanism An improvement in a plate tumbler-type cylinder lock mechanism including an elongate barrel having a longitudinal bore therein, and a key plug having a body portion and a shaft portion extending therefrom, such plug being received rotatably in the bore wi...	08/02/1983
4391112	Piston-type locks The invention relates to piston-type locks preferably for use with vehicles. In the lock according to the invention the stator comprises an aperture opening at its periphery and into the said longitudinal bore, the said aperture receiving an insert compri...	07/05/1983

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Class 70/373 - Cylinder