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Match Document Document Title
7415854 Safety lock with adjustable-length bolt  
Safety lock for doors, gates or the like, comprising a box-shaped body ( 2 ) which contains and supports a bolt ( 5 ) able to slide between several operating positions ( 9, 10 ), actuating means (...
7377076 Single-action egress lock for a sliding door  
A handle-latch assembly mounted on a horizontal sliding door and coupled to a vertically movable latch bolt which protrudes outwardly from a top or bottom door edge, and which enables the inside...
7281401 Protective sleeve for latch mechanism for lock  
A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one...
7213426 Storm door mortise lock that prevents lockout  
A method and apparatus for providing a storm door mortise lock that prevents lockout with a lock body having opposed side plates and a cam in between the side plates, the cam being in operative...
7207199 Dead locking deadbolt  
A deadbolt mechanism including a lock out mechanism that functions to disable the operation of the deadbolt from at least one side of the deadbolt mechanism. The deadbolt mechanism includes a...
7178371 Disc tumbler lock  
A disc tumbler lock, which comprises a lock case, which includes a bolt displaceable with a key of the lock and a number of locking discs provided with locking channels and which are displaceable...
7131301 Locking device for a storage cabinet  
A locking device for a storage cabinet that has a door, a cabinet body and a hook defined in the cabinet body facing the door. The locking device mounted on the door. The locking device has a body,...
7065991 Safety lock for glass doors  
The present invention refers to a safety lock for glass doors with a standard cut. This lock has two covers ( 1 and 9 ) and a strike plate ( 13 ), defining an internal space, inside which it is...
7003992 Door hinge deadbolt  
A lock for installation on a pre-existing or new door is shown. The lock extends from the door through the hinge of the door and into the door frame and alternatively into the door frame and stud....
7000440 Rotary security system  
A plurality of separately keyed padlocks, ranging in number from 7 to 150 or more, are securely held within a circular assembly that is rotated for selection of a specific padlock. This assembly of...
6981726 Easily disassembled structure of an auxiliary lock  
An auxiliary lock assembly comprises a housing having a hole, wherein a protrusion radially and inwardly provided on the periphery of the hole; a shaft with various cross-sectional area inserted...
6950033 Door bolt alarm  
A system for determining the position of a bolt in a door including a locking mechanism for moving the bolt between a first locked position wherein the door is secured in position within a door...
6928855 Zero speed indicating devices and processes for testing same  
The subject invention is directed to methods, processes and decisions on test outcomes for testing for faulty, therefor dangerous, performance of zero speed indicators that are used to control the...
6928844 Latching device for a lock  
A latching device for a lock, comprising a housing, a clutch device, a first latch, a first latch driving member, a second latch, a second latch driving member and a latch spring, so as to provide...
6877346 Walk-in freezer door and doorframe system and doorlock  
A walk-in freezer door system has a doorjamb with sheets of metal covering a body of thermal insulation. A door is mounted to the doorjamb. A deadbolt housing is mounted to the outside of the...
6857297 Lock enhancing device  
A lock for locking a door panel to a door frame, which includes a knob assembly comprising a front protective housing and a rear knob frame defining a lock cavity therebetween in the door panel; a...
6851287 Lock having a quick unlocking function  
A lock includes a quick unlocking device and a secondary locking device. Thus, when the inner handle is rotated, the latch bolt and the dead bolt are unlocked synchronously by operation of the...
6840070 Door lock  
A door lock includes a cylinder with a core installed in a door. A flat finger is connected with the core. A latch is movably provided in a latch hole of the door and the flat finger extends...
6834520 Dead bolt lock assembly for flight deck door of an aircraft  
A dead bolt lock apparatus specifically adapted for use with a flight deck door of an aircraft. The apparatus includes a dead bolt member which can be moved between locked and unlocked positions...
6769278 Anti-burglar device of a door locker  
An anti-burglar device of a door locker is disclosed. The locker comprises a rotating button, a rotating shaft body, and an external gear, the rotating shaft body being fixed to the rotating shaft...
6739162 Simple deadbolt assembly  
The present invention comprises a simple deadbolt assembly for hinged doors. The deadbolt assembly includes a deadbolt slideably mounted between two side plates for movement between an extended...
6735993 High strength lever handle lock mechanism  
A lock mechanism for use with lever handles includes a lock core and a latch mechanism that is rigidly connected to the lock core to prevent the lock core from rotating in the door. Through-bolts...
6698260 Interiorly reinforced door lock set  
A door lock set includes: an outer lock held in an outer trim plate on an outside surface of a door, a latch device for locking the door on a door frame, an inner reinforced retaining member...
6698259 Dual action detent for tamper resistant lever lock mechanism  
A lever lock apparatus having a sliding bolt, a detent mechanism for locking the bolt against sliding movement and a plurality of levers. When using the appropriate key, the detent moves to allow...
6655178 Door lock and latch assembly  
A door lock and latch assembly for securely locking a door to prevent a person from using a tool to spread the door away from the door frame. The door lock and latch assembly includes a lock and...
6651466 Dual lock assembly with a direction-changeable latch bolt  
A dual lock system includes a housing for enclosing an actuating mechanism, a latch bolt, a dead bolt, a stop block, a lock core, and a safe therein. Upper and lower openings are provided in a...
6626018 High strength lever handle lock mechanism  
A lock mechanism for use with lever handles includes a lock core and a latch mechanism that is rigidly connected to the lock core to prevent the lock core from rotating in the door. Through-bolts...
6595032 Lock cylinder-free lock device  
A lock cylinder-free lock device is constructed to include a casing, a locating block fixedly covered on a top side of the casing, the locating block having a plurality of vertical pinholes, a...
6523375 Deadbolt thumbturn assembly  
The deadbolt thumbturn assembly of the present invention includes a thumbturn including a thumbturn extension, which is inserted through a bushing collar and rose bearing, then secured with a...
6502436 Cylindrical shell for a deadbolt  
The invention is directed to a device to protect a deadbolt assembly from tampering. A deadbolt assembly comprising a deadbolt reciprocable along a longitudinal axis, and a deadbolt actuating...
6364382 Drawing plate structure of a latch of an auxiliary lock  
A drawing plate structure of a latch of an auxiliary lock includes a drawing plate having a top portion extended toward one side, thereby forming a top flat portion. A lock tongue is provided with...
6354121 Mortise lockset with internal clutch  
A mortise lockset incorporates an electrically actuated clutch within the lock case. The clutch selectively engages one latch operator to permit access through a door equipped with the lockset. The...
6289704 Espagnolette or espagnolette-lock for a door, French window or the like  
An espagnolette-lock for use on a leaf within a sash-frame having a casing, an operating rod movable between a locked position and an unlocked position, a controller for actuating the operating...
6227019 Dual key port accessible intelligent gate lock  
A stand alone, electronic gate lock is integrally mountable with a barrier, such as a perimeter fence of an airport. The gate lock is configured to be locked and unlocked by an electronic key from...
6164099 Door lock  
An auxiliary door lock in which a spring is coupled between a coupling block, which moves a latch bolt, and a left side board to push the coupling block and the latch bolt forwards when the door...
6148650 Bolt unit and frame arrangement  
This invention relates to a bolt unit and frame arrangement. In particular it relates to a lockable bolt unit having a slidable bolt, typically for securing two moveable panels together or for...
6049285 Garage door status indicator  
A garage door status indicating system is provided including a power source. Also included is a switch having a first orientation when the garage door is open and a second orientation when the...
5791180 Door lock device  
A door lock device that includes a lock body having a plurality of latch bolts, a key holder cylinder having one cylindrical key plug and lock lever for each latch bolt. The components are fastened...
5765412 Multiple backset lock  
A multiple backset door lock assembly with a door lock assembly in which a bolt is coupled to a bolt extension saddle. The bolt extension saddle is provided with two contoured slots, each slot...
5765410 Locks  
A lock for a door or the like having a dead lock assembly which comprises a bolt (41) and a drive mechanism (53, 54) adapted to be operated by a key, wherein the drive mechanism comprises a driving...
5761937 Auxiliary lock  
An auxiliary lock comprises a latch assembly having an elongated casing to be received by a first horizontal bore extending into the end of the door. A cylinder mechanism is received by a second...
5758527 High security deadbolt lock assembly  
A high security deadbolt assembly for a door which bolt has a housing extending from the edge of the door inwardly of the transverse bore between the door surface. A deadbolt is reciprocable in the...
5678432 Extended throw deadbolt lock assembly  
An extended throw deadbolt lock including a housing having a face plate and an axial guide channel formed with a guide path having spaced apart locking seats. Angled transition surfaces extend...
5551264 Door lock having a deadbolt assembly with a low-cost corrosion-resistant bolt member  
A door lock includes a deadbolt assembly and a lock housing assembly. The deadbolt assembly has a bolt member which includes a metal inner sleeve, a metal outer sleeve fitted over the inner sleeve...
5551263 Lock with dead bolt camming action on 90 degree lock cylinder rotation  
A standard "diamond back" lock configuration, as used in drawer locks, includes a dead bolt with an angled slot. The angled slot provides an improved camming action which produces the same amount...
5232255 Button assembly  
A button assembly for a button-actuated lockset having a locking mechanism. The button assembly includes a button member and an actuator mechanism such as a locking bar. A rib is provided on the...
5058940 Automatic dead locking bolt assembly  
An automatic dead bolt lock has a main bolt member and an auxiliary bolt member supported on the main bolt member so as to be reciprocally movable relative thereto. Both the main and auxiliary bolt...
5048880 Door key assembly  
It is required for a door to attach a door key assembly for the sake of caution and locking. The door key assembly to be attached to a door opposed to a door frame comprises a key body secured to...
5009089 Double hook-bolt unit lock  
A double hook-bolt unit lock includes a lock barrel having a revolving rod connected thereto to cause a cam wheel assembly to move simultaneously so as to drive the stop keys of a stop frame...
5005393 Electronic key locks  
A lock which is adapted to transduce the code from a key by electronic means is constructed to resemble the form and functionality of a conventional mechanical cylinder lock. A main casing houses...
Matches 1 - 50 out of 523 1 2 3 4 5 6 7 8 9 10 11 >