Abstract: A door lock system is described of the type wherein the solenoid that includes a plunger retractable from a latch hole, can be manually slid away from the latch hole. The solenoid coil is mounted on a slideable bracket by leaf springs with bent ends, that permit the coil to pivot when the plunger is forced against a side of the latch hole.

Abstract: A latch signal for mounting inside an engine cowling structure. The signal indicating when an internal latch is inadvertently left unlatched when the cowlings are closed. Further, the signal prevents adjacent cowlings from closing until the internal latch is properly secured.

Abstract: An apparatus for preventing the opening for one or more access doors to rotating machinery which is confined in some form of enclosure. A shaft from the machinery extends through the enclosure and has a disc attached to it. The disc has one or more radial holes drilled in the periphery to permit the entry of a release rod, but only when the machinery is stopped. The release rod is attached to a pivoted rod which is moved into and out of locking engagement with the doors when the release rod can enter the periphery hole. The pivotal rod contains two locks each for one or more doors. One lock prevents the door from being rotated toward the rod and the second lock prevents the door from being rotated away from the rod unless the pivotal rod is pivoted to release the locks.

Abstract: This invention provides a locking seal which comprises a socket member, a latch member and a locking cap member. The socket member comprises a body having first and second open ends communicating with a hollow portion extending through the body; and at least one locking finger extending towards the second end of the body. The latch member comprises an elongated locking end adapted for insertion into the hollow portion of the body and to interlock with the locking finger. The locking end comprises a first section having a surface tapering into a second section and defining with the second section at least one shoulder. The locking cap member comprises a closure member adapted to matingly engage the latch member and prevent access to the second end. The seal of this invention is suitable for use in securing or locking trucks, containers, etc.

Abstract: A cylindrical lock on a door panel has an outside actuating lever and an outside nut. Torque from both the nut and the outside lever is transferred to a substantially planar torque plate engaging the door panel and having a central opening bounded by arcuate edge surfaces spaced away from external threads on the lock hub. The central opening is also bounded by chordal edge surfaces disposed next to chordal surfaces on the lock hub. The nut has chordal surfaces next to the chordal surfaces of the torque plate and has arcuate surfaces close to the arcuate surfaces of the torque plate, all of such surfaces being in the plane of the torque plate.

Abstract: An improved simplified portable padded security lock and carrier in combination for use with hinged doors comprising a lock bar provided with a slot medially thereof, an end bent out of the plane of said lock bar and an opposite end provided with ears or a tang to engage the latch aperture in the door jam striker plate. The lock bar is inserted through a padded lock body via a slotted aperture therein adjacent an enlarged portion in the end of the padded lock body, the end being designed to engage a tapered key element upon its insertion through the slot in the lock bar. After insertion of the tapered key element to such an extent as it will pass through the slot in the lock bar, an elastic retention means can be engaged with the opposite side of the lock bar so as to complete the assembly and render it unshakeable from its operative position.

Abstract: The combination lock includes several encoding buttons, a latch plate is slidably movable between two terminal positions and has a plurality of locking pins; a plurality of lock disks each have on one side a radial groove for respectively engaging the locking pins or being disengaged therefrom, each disk further having on its outer side a diametrical groove in which respective slide locks are permitted to slide, an encoding release slide moves said slide locks; a plurality of gears are respectively connected to the encoding buttons and positioned for engagement with the slide locks, the gears are prevented from turning, thereby preventing the encoding buttons from being turned when the respective slide lock engages the gear and the locking pins are situated in the respective radial grooves, the gears are coupled to the lock disks when the locking pins are out of the respective radial grooves, the release slide when moving the slide locks decouples the lock disks from the gears and the encoding button; and res

Abstract: The invention is an improved device for securing doors against break-in, even when the door is unlocked. The invention consists of a hasp-like retainer member, an eye-type retainer member, and a bar-like security piece of rectangular cross-section. The retainer members are affixed to a wall or door casing on each side of the doorway of the door to be secured at approximately the mid-height of the door. The hasp-like retainer, which is hinge-like in operation, may be folded back against the wall or the door casing when not in use. When in use the hasp-like end is opened to a position generally perpendicular to the face of the wall of the casing. The bar-like security piece, being of a cross-sectional area that is slightly less than the opening in the hasp-like end of the retainer, and of a configuration that will fit into the hasp-like slot, is inserted into the hasp-like retainer member with the opposite end secured to the eye-type retainer member.

Abstract: A control mechanism suitable for actuating a power operated lock. The control mechanism includes key-engageable surfaces which are shielded from direct access by way of a key-receiving tunnel. The control mechanism is operable by means of a key having a slotted end portion pivotally attached to a shank portion.

Abstract: Exit device has auxiliary bolt which when held in by door strike permits a blocking leg to prevent unauthorized forced retraction of main latch bolt. Normal operation of device by panic bar pivots blocking leg out of the way and then retracts main latch bolt.

Abstract: A combined hinge and latch mechanism for vehicle tops or "caps", which allows the cap to be lifted from either side. The mechanism has two parts, a plate which mounts to the truck or other vehicle bed and a latch, comprising a rod having handle and semicircular parts, and a pivot point, which mounts to the vehicle cap. Rotation of the rod engages and disengages with the plate to latch and unlatch the mechanism. When latched the two elements may be pivoted on each other providing a hinge.

Abstract: Pilferage deterrent device for box car, container or trailer doors of the 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 or elevated platform. 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.A pivoted release member termed a trigger extends above a housing for the latch and is transversely pivoted to the housing and protected by the housing to prevent access to said release member from the ground. 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 specially adapted grip allowing a lock and folded flexible cable to be stowed inside a standard ski pole. The cable is affixed to the lock and has a looped free end allowing the passage of the lock through the loop after it has been laced through the equipment to be secured. The lock can be latched to any part of the cable after encircling a rack or post.

Abstract: A lockset assembly which includes a bolt (12) movable between a partially extended latching position and a fully extended dead bolt position. When the bolt (12) is in the dead bolt position, the inside lever (10) can be used to retract the bolt. The outside operating assembly (27) is provided with a key operated lock cylinder (22) and the inside operating assembly (44) is provided with a turn button (26).

Abstract: A door lock (10) includes a strike case (18) adapted to receive a dead bolt (14). A rotatable keeper (20) is rotatable between an open and closed position for opening and closing the strike case (18). An abutment member (30) is connected to the rotatable keeper (20) and is selectively rotatable with the rotatable keeper (20). A sensing arm (34) is connected to the strike case (18) for sensing the presence of the dead bolt (14) in the strike case (18). The sensing arm (34) selectively disengages the abutment member (30) for allowing the abutment member (30) to rotate with the rotatable keeper (20) if the dead bolt (14) is detected within the strike case (18).

Abstract: The lock cylinder (1) has in its widened head (2) a pivotable closing flap (4) which closes the insertion orifice of the key channel. One end (8) of a torsion spring (7) rests against the face of the closing flap (4) directed towards the key channel. Before assembly, the other end (12) of the torsion spring (7) projects above the outer surface of the cylinder (1) through a slit (13) in the head (2) of the cylinder (1), is bent round after assembly and interacts with a stop (14) connected to the cylinder (1). This design of the lock cylinder makes it easier to assemble it.

Abstract: An improved deadbolt lockset is provided in which one of two different backset distances is facilitated in a single latch assembly. At least one planar side plate coupled to a deadbolt extension is provided and is slidably contained within a hollow latch case. Movement of the side plate determines the distance from the face plate of the assembly to the axis of an actuating assembly. The latch case includes slots formed therein for positioning the actuating assembly and to allow movement of the side plates.

Abstract: The levers (5) of a lock which retain a bolt (3) in its locking position are prevented from moving to release the bolt by a latching member (12) in its latching position. The latching member (12) is movable along a guide (10) to an unlatching position by action of a solenoid (15). Insertion of the key (6) into the lock operates a switch (20) which actuates a timer operating the solenoid after a delay.

Abstract: An automatic safety latch assembly for use in combination with a striker on a door of a self-cleaning kitchen range has a bolt which is mounted for rotational movement and subsequent longitudinal movement to a latched position. An over-center biasing arrangement is provided to bias the latching mechanism into both the latched and unlatched positions of the latch bolt. A door sensing element is cooperatively engaged with the latch bolt to prevent accidental tripping of the latching mechanism until the oven door is properly positioned. The latching mechanism includes a thermally responsive blocking mechanism to lock the latch bolt in the latched position and prevent the opening of the oven door during the high temeprature self-cleaning cycle of the kitchen range.

Abstract: A cylinder operated deadbolt lock in which a solid housing is provided with bores and apertures only to accommodate the lock components, such as the lock cylinder, the lock bolt, and the bolt moving mechanism. The lock bolt is provided with a rack and extends into the housing where it is thrown and withdrawn by a pinion mechanism.