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6550299 |
Cylinder lock adaptable for different keys
A cylinder lock has a first tumbler, a second tumbler and a third tumbler all received in a hollow cylindrical housing. The first tumbler is selectively rotatable relative to the second tumbler and...
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6474121 |
Lock setting changing unit
In a locking system constituted by a housing, a slider provided in the housing and including magnetic lock pins, and a pair of plates provided in the housing so that a magnetic card key can be...
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6427506 |
Flat-key lock
A lock has a flat key having a flat blade extending along a key axis and having an axially extending edge formed to each side of a central axially extending key plane with a pair of axially...
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5921121 |
Adjustable key-type spring pin lock cylinder
The present apparatus provides an adjustable key-type spring pin lock cylinder. The spring pin lock cylinder includes a lock core (1), a first core sleeve (2), and a second core sleeve (3). At the...
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5349830 |
Lock system
A lock system has lock cylinders (5) in which the rotor (9) is lodged as usual in the cylinder housing, (11) as well as lock cylinders (6) in which the rotor (10) is rotated through 180° about its...
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5105637 |
Convertible barrel lock
A barrel lock includes a circumferential axial pin tumbler arrangement housed in the barrel. A removable pilot post is disposed among the tumblers and has key-guides which register with mating...
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5088306 |
Cylinder lock with changeable keyway
A cylinder lock is capable of providing a changeable keyway by means of elongated warding members which are insertable into a keyway access slot which has a cross-sectional configuration larger...
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4926665 |
Remotely programmable key and programming means therefor
A key holding system comprises one or more locks responsive to key codes stored by a programmable key to enable the selective operation of that lock. The key is programmed by a key programmer...
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4836002 |
Programmable lock apparatus and method
A lock apparatus includes a lock provided with a cylindrical plug having a set of blind holes angularly spaced from the set of pinways in the plug. A longitudinal slot through the center of the...
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4803902 |
Reencoding of locks
An adjustable and encodible lock for room doors, safe deposit boxes or the like, under utilization of two separate lock structures includes two separate sets of tumblers possibly arranged...
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4637240 |
Cylinder lock
The invention relates to a cylinder lock including a number of locking discs (4) turnable by means of the key (8) of the lock and separated from each other by intermediate discs (5) and provided...
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4448050 |
Locks
A key operated lock having a handle member slidably and rotatably operating within a rose member secured in a door, the rose having a bore therethrough in which a lock cylinder is rotatably mounted...
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4449126 |
Electronic lock device and optical key therefor
This device comprises a housing having a circular keyway, and a key having a cylindrical light-transmissive shank insertable into the keyway to energize a lamp, which directs light longitudinally...
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4359885 |
Key-operated locks
A lock particularly for safe doors, of the multiple rotatable tumbler type, but adapted to be operated by a key, the "combination" of the lock being set by the key proper and being alterable at...
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4347545 |
Burglarproofing device for automotive vehicles
A burglarproofing device for vehicles is provided wherein a key contains two partial codes. Device on the vehicle compares at least one of the two partial codes with a stored code. Coincidence of...
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4312198 |
Magnetic key operated hotel door lock
A mechanical magnetic key operated door lock structure particularly adapted for use in hotel locksets. An occupancy indicator is incorporated in the lock structure to indicate that the lockset is...
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4287733 |
Magnet-electronic lock system
A lock system has an elongated key provided with a plurality of permanent magnets spaced axially and angularly apart along the key in a predetermined magnet array. A cylinder having no moving parts...
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3948068 |
Magnetic lock
In a magnetic lock of the type having at least one tumbler pin pivotally supported on a mounting plate and a locking plate having an opening arranged to receive one end of the tumbler pin when an...
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3903720 |
Axial lock and key
An axial pin tumbler lock, as disclosed, has a stationary barrel encircling a rotary spindle to define an annular pin chamber that is accessible through an annular key entry passage that has a very...
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3842629 |
REMOTELY PROGRAMMABLE LOCK
A remotely programmable lock is provided for use with a key having one or more permanent magnets for producing a magnetic field of predetermined configuration. The lock is provided with a cylinder...
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3763676 |
PROGRAMMABLE LOCK SYSTEM
A lock structure is provided with at least first and second portions separated by a parting line, and lock pins positionable relative to said parting line by a properly programmed key to clear said...
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3756049 |
AXIAL PIN TUMBLER LOCK ASSEMBLY AND COMBINATION RESET KEY THEREFOR
An axial tumbler lock assembly having a three-part cylinder arrangement including a fixed rear part, a rotatable front part, and a rotatable intermediate part, the three parts establishing between...
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3736780 |
DEVICE FOR ALTERING LOCK CYLINDER TO RECEIVE A NEW KEY
A device for altering a lock cylinder to receive a new key comprises a plate which is adapted to be secured to the entrance opening of the lock cylinder and which is formed with one or more...
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3728880 |
REKEYABLE AXIAL PIN TUMBLER LOCK
An axial pin tumbler lock is provided with means for rekeying the lock without disassembling the lock. Means are provided for removing an old master key from the lock at a rekeying position, and...
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3702549 |
HIGH SECURITY DOOR LOCK
A high security-unit-type, door lock having opposite side escutcheon plates which are drawn tightly against the opposite faces of the door by means accessible only from the edge of the door, so...
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3680336 |
MECHANICAL CODE ACTUATED SENSOR UNIT AND LOCK EMBODYING SAME
A mechanical, code actuated sensor unit having one or more sensing slides which are movable from retracted to extended positions to actuate an output member of the unit, and tumblers which normally...
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3654783 |
LOCK WITH READILY INTERCHANGEABLE KEY
A key operated, permutation lock having a housing in which a pin plate support is slidably mounted and actuated by a lock bolt support. A back plate having openings to align with a pin plate...
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3546906 |
SAFETY LOCK
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3411331 |
Axial pin cylinder device
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3408840 |
Lock
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3385086 |
Key operated switch mechanism
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3371512 |
Locks
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3349587 |
Method of increasing the number of different locking combinations
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3348392 |
Master-keying system
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3338078 |
Two-piece key and extractor
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3326024 |
Frontal type lock
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3276233 |
Keyway stop
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3261188 |
Quick-change axial pin tumbler lock assembly
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3258945 |
Tumbler pin assembly jig and coding device therefor
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3258944 |
Assembly jig for facilitating lock tumbler change-over operations
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3175378 |
Cylinder lock assembly
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3167944 |
Tumbler lock
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3165599 |
Key operated combination switch for alarm system
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3151476 |
Lock
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RE11119 |
Title is not available
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1004904 |
Title is not available
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