Abstract: A keyed lever handle for a cylindrical lock comprises a handle body which is rotatably mounted by its neck on the knob sleeve of the lock and is removably held by a retainer and is connected for rotation with the sleeve by a driver which releases under excess torque, either yieldingly or by break-away of a driver lug. An outward-extending body shell telescopically receives and supports an outer handle shell integral with a handle lever. The outer shell has an inward-extending end flange spaced from the end face of the body shell to define therebetween an inward-opening groove which receives a retainer for an end face closure mounted in the cylindrical open end of the assembled shells. The retainer may be a separate snap ring or an integral flange on the closure. The closure member receives a key-operated and removable core, and its rotative mounting permits different orientations to suit the hand of the door, and also permits the lever handle to rotate when drive is released under excess torque.

Abstract: The present disclosure relates to a backset-adjustable latch bolt mechanism of a cylinder lock, more particularly to a latch bolt mechanism so mechanically structured that two options of backset of either 23/8" (60 mm) or 23/4" (70 mm) are alternately available by removing the connecting pin off the retractor slide and pressing down the emerging spot of the fixing button, which is based on a spiral spring, then outwardly pulling the extension case, letting the spot of the case fixing button pop out in the second bore on the extention case so to change the backset of the latch from 23/8" (60 mm) to 23/4" (70 mm). The latch bolt mechanism is based on a retractor slide having two consecutive latch releasing notches for effecting the mechanical operation.

Abstract: An electrically actuated rear deck lock mechanism which may be locked or unlocked in a conventional manner. The lock mechanism latches the deck lid by engaging a lock bar after closure of the deck lid and through the use of a cam entrapping the lock bar to move it to a locked position. Once in the locked position, the electrical locking mechanism is free of all mechanical forces applied to the latch member such that any forces experienced during normal operation of the vehicle are observed through the mechanical inner lock of the latch with the lock bar without undue effect on the electrical components of the latch. The lock mechanism can also be moved to a locking position without interfering with the electrical locking portion of the mechanism and may be manually unlocked in the event of an electrical power failure.

Abstract: A striker for a locking device which is mounted either a main body or an opening and closing member such as a door or hood in an automobile by tightening bolts passing through bores of the mounting portions in a base plate and is adapted for engagement with a latch to restrict movements of the member. A thin steel or other metal plate is used to form the base plate lighten weight of the striker, and outer periphery of the bore is formed to rise at an angle within 90 to receive tightening force exerted through bearing surface of the bolt as compressive load without causing deformation of the mounting portion.

Abstract: The hinged door of a cargo container is provided with a locking mechanism contained wholly or mainly within the thickness of the door to draw the door into a closed and sealed position with respect to its surronding door frame. In one arrangement the mechanism has a tapered locking bolt that can be slid into a receiving recess in the surrounding door frame such that engagement of one face of the bolt taper with the socket urges the door into its fully closed and sealed position as the bolt is extended into the recess, and when the bolt is retracted engagement of the recess with the opposite face of the bolt taper breaks the door seal. In another arrangement the mechanism has a rotary pin projecting into a cam track to effect locking engagement.

Abstract: A lock protecting device for high security safes uses two hardened-material plates between which ball bearings have been nested in an egg-crate fashion. The plates with the safe's lock works mounted thereon are mounted to the interior of the safe door in order to present consecutive barriers to an intruding drill bit. Another plate is mounted to the rear of the lock works such that an intruding drill bit will lastly strike this plate causing it to break away, thereby releasing a plunger into engagement with the locking bolt and preventing opening of the safe door even if the rest of the lock works are manipulated into their unlocked state.

Abstract: A latch mechanism having easily removed components for cleaning. The apparatus is comprised of a strike and latch member which are releasably engagable. The latch is rotatably mounted and spring biased toward the strike. The spring biasing element is wedged between the rocker plate member and the edge surface of the door. A pivot pin upon which the rocker plate member is rotatably mounted is slideably removeable therefrom. Thus, the pivot pin, rocker plate member, and spring biasing element can be removed and placed so that all surfaces of the permanently affixed elements of the latch mechanism are completely exposed for cleaning, and such that the removable elements can be emersed and sanitized.

Abstract: The lever assembly is of two principal parts: a lever with a circular aperture to engage the shank of a door knob, and a retaining plate, for fastening thereof to the lever, having a projecting cog. The cog engages a knob catch slot in the door knob shank. Accordingly, as the lever is rotated/manipulated, it turns the door knob through the engagement of the cog with the slot, and the fastening of the plate to the lever. The assembly accommodates retrofitting thereof to doors having round door knobs.

Abstract: A safety latch assembly has a rotatable grip rotatably mounted on a stationary handle and a ring-shaped flange surrounding a substantially cylindrical portion of the stationary handle, an elastically resilient arresting means on the cylindrical portion whose exterior is formed with an arresting face with which a stop face on the inner side of the grip flange engages upon rotation of the grip in the opening direction from the closed position when the arresting means is in the normal position. The grip is arranged so that the arresting means can be actuated through the flange of the grip to disengage the arresting face from the stop face.

Abstract: Anti-pilferage device for box car doors of both the sliding and plug type in which the device is toward the top of the door out of reach of a person standing on the ground and only accessible to release the latch from the top, by a person standing on a loading dock. The latch cooperates with a keeper and both the keeper and latch are enclosed so access cannot be had to the latch to release the latch by a pole or elongated tool and the like.A pivoted release member is provided for the latch which extends above the latch plates forming a housing for the latch toward the rear ends of said latch plates and is transversely pivoted thereto and is inwardly of the sides of said latch plates to prevent access to said release member by a pole or other tool. The release member has camming engagement with the latch and is operable by hand to cam the latch out of engagement with the keeper and accommodate opening of the door.

Abstract: A disc tumbler cylinder lock wherein the cylinder has transverse slots for frame-like tumblers having enlarged portions normally extending into the case for the cylinder under the action of springs to thus prevent rotation of the cylinder except on insertion of a proper key which retracts the tumblers into the cylinder. The enlarged portions are wedges which form part of U-shaped or Z-shaped sections of the frames.

Abstract: A locking device for locking a closure member of a vehicle including a pivotal locking member having a slot for receiving a rod-like engaging member with a slight spacing between the slot and engaging member. A jackplate is provided which is pivoted coaxially with the locking member and is urged by a spring toward the engaging member thereby absorbing any play produced due to the slight spacing between the engaging member and locking member. This locking arrangement absorbs any vibrations applied to the locking device which may cause rattling sounds.

Abstract: An improved door brace. The brace includes an elongate canted arm having an upper end which interlocks with a door and a lower end contacting the floor at a point spaced away from the door. The upper end of the canted brace arm is shaped and dimensioned such that when forced entry is attempted the door is compressed into interlocking engagement with the upper end of the arm. The interlocking engagement of the upper end and the door enables the brace to more effectively resist shear forces which tend to separate the upper end of the brace arm from the door during an attempted forced entry.

Abstract: A permutation lock having pushbutton code controls and automatic cancelling of the code when the latch is operated for opening the door. An adjustable time-delay device is provided for disabling the operation of the lock after a predetermined time from when the code is inserted in the lock chamber. The time delay device disables the lock after the duration of a predetermined time.

Abstract: A lock for a sliding window or door and having a body which is adapted to be secured to either an outwardly facing surface or a laterally facing surface of the movable frame of the window or door. The lock includes a locking bar which is slidably mounted on the lock body for relative movement into and out of an operative position at which it projects beyond a back surface of the lock body and engages within a hole in the fixed frame of the window or door. The lock body is secured to the movable frame by means of fastening screws extending through bores formed through a mounting part of the body and those bores include primary bores which extend in the front to back direction and secondary bores which extend laterally through the mounting part. The primary bores are used if the body is to be secured to the outwardly facing frame surface and the secondary bores are used if the body is to be secured to the laterally facing frame surface.

Abstract: A key and card combination is provided wherein a convenient size key carrying card has at least one recess, or a pair of recesses for a set of keys, a key in each recess, and structure separably retaining the key in its recess. The keys may be hingedly attached to the card and adapted to be swung into and out of the plane of the card. Alternatively, each key may be retained in the card by breakaway means. Further alternatively, each key may be received endwise in a socket recess extending inwardly in an edge of the card, and with tongue and groove and detent structure retaining the key separably in its socket.

Abstract: A cartridge lock having an elongated body and a rotary disc assembly, locking shaft, and at least one bolting element disposed therein. The rotary disc assembly comprises a plurality of discs aligned concentrically within a cylinder, which cylinder is interconnected to one end of the locking shaft by means transmitting turning force thereto. The bolting element is disposed within an aperture within the body and is moved to a position partially protruding therefrom when a bearing surface of the locking shaft is rotated and presented to the bolting element. The rotation of the locking shaft is determined by key action turning the rotary disc assembly from a locked to an unlocked position and the reverse.

Abstract: A locking arrangement is provided which can be released from its locking state by means of a pressurized fluid, and to a nozzle through which pressurized fluid can be supplied to the locking arrangement to release the same. The locking arrangement includes a latch bolt (6) which is connected to a plunger (5) arranged for axial movement in a chamber (4), the plunger dividing the chamber into two, substantially pressure-tight part chambers (4a, 4b). The plunger (5) is biassed towards its locking position by a spring means (8) and can be moved axially to a lock release position, against the force of the spring means by a pressurized fluid, e.g. compressed air, lead into the one part chamber (4a). To this end, the aforesaid one part chamber (4a) communicates via an opening (12) in a chamber wall (13) with a fore-chamber (14) which is located externally of the chamber (4) and which communicates with the other part chamber (4b) through a second opening (15) in the aforesaid chamber wall (13).

Abstract: A door handle device unlockable from indoor side of refrigerators, which device enables a person trapped in a refrigerator by accident to escape therefrom speedily by a simple operation. This handle device comprises a handle unit fastened to a door, and a latch receiver unit fastened to a wall of a refrigerator. The handle unit consists of the fixed seat attached to the door, a movable body connected to the fixed seat by a pivot, a latch member, and an operating handle for driving the latch member. The door handle device also has a setting bolt, an operating portion is positioned in the inside of the refrigerator. The setting bolt is inserted into a threaded bore provided in a rear portion of the movable body to fix the movable body to the door. The trapped person has only to turn the operating portion of the setting bolt to take out the bolt from the threaded bore and thereby permit the movable body to pivot and release the latch member from the latch receiver unit and then open the door.

Abstract: An actuating structure is provided for a switch lock having a barrel with a plug which is key actuated for rotation therein. An actuator interconnects the rotatable plug with a rotatable shaft of the switch and cooperates with a rotatable stop plate connected to a return spring. Specifically, an actuator lug and a stop plate surface which engage upon rotation of the plug in one direction to turn the switch momentarily from the first position to a second position against the action of the spring. The actuator also rotates in the opposite direction independently of the stop plate to turn the switch from the first to a third position.