Abstract: A locking device for use in connection with a separate padlock provides improved security against unauthorized tampering. The device is an enclosure for the padlock and a deadbolt, the deadbolt being slidable within the enclosure. The padlock is suspended from the deadbolt and engages a notch in the deadbolt to restrict longitudinal movement of the deadbolt while the deadbolt is extended from the enclosure and engaged within a keeper external of the enclosure.

Abstract: A sliding bolt locking structure has a housing which includes a back and right and left sides integrally formed with the back. A guide element is located on the housing between the sides. The guide element includes right and left side shackle holes for receiving the shackle of a lock. A member having right and left side panels is sized and shaped to fit in the housing between the respective sides of the housing. The left and right side panels of the member are spaced apart from one another a distance sufficient to allow positioning of a lock body between these respective side panels. The member includes a guide channel located in the side panels which fits over and slides on the guide element. The member slides on the guide element to position the shackle holes between the side panels of the member allowing for passing of a lock shackle through one of the lock shackle holes when the member is positioned with respect to the lock shackle hole. Bolt holes are formed in the respective sides of the housing.

Abstract: A multi-purpose lock bolt has a body which includes a bolt hole, a lock shackle hole and one or more mounting holes. Each of these are formed in the body and pass through the body. The lock shackle hole intersects with and traverses across the bolt hole as do the mounting holes. An elongated bolt is sized and shaped so as to fit into and slide in the bolt hole. The elongated bolt includes an alignment hole which is located in the elongated bolt in a direction transverse to the elongated axis of the elongated bolt. The bolt slides in the bolt hole in the body between an unlocked position and a locked position wherein in the locked position the alignment hole in the elongated bolt is aligned with the lock shackle hole in the body allowing a shackle of a lock to be passed through both the lock shackle hole of the body and the alignment hole in the elongated bolt to fix the elongated bolt with respect to the body in a locked position.

Abstract: A shelving system is provided having an upright frame and specially designed lightweight, high strength shelves. The shelves include strength ribs and grooves formed in a shelf upper surface that are melded to shelf lower surface dimples for strength and rigidity. The shelving system is particularly adapted for storing musical instruments.

Abstract: A lock is provided for use on outdoor gate structures. The lock is of rugged, durable construction, intended to resist malfunction due to weather factors, and amenable to repair and change of keys. The lock is comprised of a sturdy metal housing having a bolt that moves between front and rear extremities of the housing in sliding engagement with front and rear apertured transverse walls. A padlock fits within the rear extremity of the housing, and its presence prevents rearward movement of the bolt to the opened state of the lock.

Abstract: A releasable bolt device 1 for securing an emergency exit door 2 comprises a support structure 3 of box-like form, a bolt member 4 slidably mounted on the structure 3 for movement relative thereto, a compression spring 5 for urging the bolt member 4 away from the door-securing position, a frangible keep member 6, and a plate 7 for retaining the keep member 6 in place whereby its presence maintains the bolt member 4 in a door-securing position. The frangible keep member 6 is weakened locally so that it may be deliberately broken at that locality by manual force applied to it, whereby the bolt member 4 is moved out of its door-securing position by the spring 5.

Abstract: An improved drop rod latch for use with double-hung gates used with fences of woven wire fabric. Typically one of such gates is secured in position by a vertically reciprocating latch rod carried in tubular guides attached to the inside or central stile of the gate frame and engaging at its lower end a hole or a socket member placed in the ground. The upper end of this latch rod has a short, right-angled extension which serves as a handle by which the latch may be grasped for manipulation. The central stile of the other gate frame carries a fork latch pivoted to extend between a horizontally projecting position in which it embraces the central stile of the gate to which the latch rod is attached and a vertically projecting position in which it does not engage said gate. Thus, when the latch rod is in engagement with the ground socket and the fork latch is embracing the latch rod-carrying stile, the gates cannot be swung to open position.

Abstract: Lock assembly particularly suitable for use on rental storage spaces and the like. The assembly includes a lock bolt which is movable between extended and retracted positions and a slide plate which can move with the bolt. The slide plate is normally locked in a fixed position by a lock which is controlled by the owner of the rental space. The renter can lock the bolt to the slide plate to secure the space. The owner-controlled lock permits the owner to release the slide plate and retract that plate along with the bolt to gain access to the space with the renter's padlock in place. This lock also permits the owner to lock the bolt in the extended position so that the renter will no longer have access to the space even though he may remove his padlock.

Abstract: An improved latch and latchkeeping mechanism is provided for a gate closure for gates that close themselves. A detent mechanism is provided to allow the gate to be closed with the latch padlocked. Shock absorbing structure is also provided to absorb the shock of the closing gate.

Abstract: A latch for use with a gate includes a latch body having a planar mounting surface on a rearward side thereof with a pair of space apart flanges which receive a bolt in openings thereto. The bolt is positioned parallel to the surface of the gauge and is slidably and rotatably disposed within the flange openings. An enlargement on one side of the bolt will allow the bolt to pass through one of the flanges when in a predetermined angular position for removal. However an offturned end of the bolt extends rearwardly of the mounting surface, and the bolt enlargement is so oriented such that the bolt is not removable from the latch body when the body is normally attached to the gate.

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 locking device is used to lock a closure, such as a garage or metal door and includes a housing to receive a padlock. The housing is configured to obstruct access to the padlock shackle so that it cannot be cut with bolt cutters. The housing also includes a pair of aligned openings which allow a shackle of a second padlock to be passed through the housing to prevent unlocking movement of the first padlock. In one embodiment of the invention, the locking device includes a bolt mechanism on the inside of the housing which is generally hook-shaped and positioned to abut a locked padlock supported on the inside of the housing. When the padlock is unlocked, the padlock body moves out of the way of one end of the hook-shaped structure thereby allowing the bolt to be retracted to an unlocked position.

Abstract: A positive gate latch having a striker bar and two vertical catch members held in place by two sleeves secured to a base. When the catch members are down, the striker bar (often referred to as a gate tongue) cannot move in either direction. The catch members are attached to an operating bar, allowing passage when activated from either direction. The gate latch may be locked in three separate positions, allowing passage in only one direction or may be locked allowing no passage in either direction. The latch is designed primarily for use on tubular structures, such as chain link fence.

Abstract: A locker latching assembly having a recessed mounting receptacle with a horizontal double bolt mounted thereon for sliding reciprocal movement. The double bolt having a front bar and a back bar welded together at opposite ends. The front bar having the improvement comprising an outwardly extending, U-shaped protrusion located within the receptacle. The U-shaped protrusion providing several benefits including: limiting movement of the slide bolt past latched and unlatched positions, preventing an individual from jimmying a locked assembly, and serving as a means to pull the locker door open when the bolt is in an unlatched position.

Abstract: A locker handle assembly has a recessed mounting receptacle with a slide bolt mounted thereon for horizontal reciprocal movement. The slide bolt employs a double bar construction and includes a front bar, to which an operating handle may be attached, and a back bar. The front and back bars are held together at opposite ends and in a spaced-apart relationship such that the front bar passes through longitudinally extending slots in the mounting receptacle and the back bar passes behind a rear wall of the receptacle. The slide bolt may be secured in a latched position by a lock cooperating with lock engaging means attached to the slide bolt.

Abstract: Disclosed is a combined gate and lock assembly of tubular construction comprising two horizontal female members fixed to two vertical posts pivotally mounted with respect to support structure. In the closed position, the longitudinal axes of the female members are aligned and receive coaxially in recipro cable relationship therein a male member having an eye engaged by the shackle of a padlock. In the open position, the male member is appropriately disengaged from one of the female members which are disposed in their open position by appropriate rotation of their vertical posts.

Abstract: An elongated housing member rectangular in cross section has aligned forward and rear openings formed through opposite ends. The housing has two opposite sides adapted to be connected to a side frame member of a gate with a hollow cross member having an open end located in the rear opening. A bolt located in the housing has a forward end extending through the forward opening and a rear end extending through the rear opening and into the open end of the cross member. A plate connected to the forward end of the housing has a first aperture formed therethrough defining said forward opening and an edge extending beyond a third side of the housing. A slot formed through the third side of the housing has an elongated portion extending along the length of the housing and a short transverse portion extending from the elongated portion next to the plate. A handle connected to the bolt extends through the slot.

Abstract: A lock bar for securing a pair of door panels having lock and hinge edges in a locked position and indicating whether or not the panels are locked, including a pair of elongated hollow holding brackets having a rectangular cross section aligned horizontally and secured to the door panels adjacent the lock edges thereof, and an elongated, hollow, rectangular cross section, cross bolt extending horizontally through the holding brackets.

Abstract: An interior security window panel for receipt inside the frame of a window and adjacent thereto to prevent the unlawful entrance through the window. The window panel secured to the inside of the window frame to prevent removal of the panel from outside the building.

Abstract: A five sided steel box with a honeycomb member therein formed by corrugated sheets and defining a plurality of hexagonal elongate recesses. Spacers on the outer faces of the walls of the box have tie bars secured transversely thereto and the ends of the bars are welded to protective hoops. A door closes and seals the box and comprises a framework, a panel mounted on the framework by means of clamping screws or parallelogram linkage and coil springs, and a seal between the panel and the open side of the box. The framework is preferably hinged to protective hoops of the box at one side and provided with a latch arrangement at the other.

Abstract: In a first embodiment thereof, the locking means comprises an axially-translatable bolt slidably disposed within a cylinder. The cylinder has an axially-extended slot formed therein, and a pin fixed in the bolt projects therefrom, through the slot, to engage a camming slot formed in a sleeve which envelops the cylinder. A hollow cap-actuator envelops the camming-slotted sleeve, and a drive rib formed in the cap-actuator engages an axial separation in the sleeve to cause (a) the sleeve to rotate, when the cap-actuator is turned, (b) to cause the pin to travel along the camming slot, and (c) to effect extension and retraction of the bolt.

Abstract: A locking device (10) for locking a locker (12) is disclosed. A bracket (26) attaches a padlock (50) to the interior surface (36) of a door (18). A latch plate (28) is connected to a shackle (54) of the padlock (50). A handle (30) extends through a slot (58) of the door (18) and is connected to the latch plate (28). A strike plate (34) cooperates with the latch plate (28) and the shackle (54) to lock the door (18).

Abstract: A guard for protecting the shackle of a padlock used for locking a locking device in the engaged position comprises a U-shaped member having plate limbs, the shackle being received in the space between the limbs to be protected by the limbs against cutting by means of a tool such as a saw, a file or a bolt clipper.

Abstract: A door latching assembly readily adaptable to a standard cylindrical lock provision includes a unitary bolt/handle member substantially shielded by a fixed cover with at least a portion of the handle confined within a retainer member which defines alternate positions of the bolt and establishes a slot with the cover to provide a guide for the handle. Mating lock receiving openings in the handle, retainer member and cover provide for the application of either one or two lock devices to immobilize the bolt in a door locking position. By the symmetrical formation or assembly of certain components and the selective positioning of the lock receiving openings, the mechanism of this invention may be alternately utilized in either a left-hand or right-hand door lock installation without any structural modification of the components.

Abstract: Tamper-free exterior lock apparatus to affix to a door for maintaining latched engagement to the door's frame. Two sets of shackles, one pair fixed to a backing plate and the other insertable with respect to a lock housing, engage, respectively, a primary lock and a secondary lock so that no portion of the shackle is exposed when coupled with its lock. Primary lock guards protrude from the lock housing to restrict access to the primary lock. A slide bar having a latching portion at one end and a lip portion oriented perpendicular to the main portion of the slide bar at the other end is maintained in slidable relationship to the backing plate and housing to allow the movement of the lock apparatus from its latching position to its open position and to block the slide bar from movement when either or both of said locks is engaged to its set of shackles.

Abstract: A locking mechanism is provided having a frame for mounting on a door or other closure. A movable bolt is supported on the frame for movements between extended and withdrawn positions. An additional member is mounted on the frame for slidable movements generally parallel to the bolt. At least two locking means are incorporated into the locking mechanism, the first of which releasably connects the bolt to the member, and the second of which releasably positions the member with respect to the frame. With the first locking means engaged, the bolt is movable together with the member. With both the first and second locking means engaged, the bolt is locked in the extended position. A securing means engagable with the first locking means prevents release of the first locking means. The locking mechanism is particularly adapted for use on storage compartments wherein a renter of the compartment will gain access by way of the first locking means and the owner will gain access by way of the second locking means.

Abstract: A positive locking device for mounting to lightweight structures and doors, such as found in mobile homes, wherein the device comprises a bar-locking assembly which is mounted to a door, and includes a bar-receiving frame section generally mounted to a fixed structure associated with the door to be locked. The bar locking assembly includes a mounting plate having a sleeve to slidably receive an elongated bar therethrough, the bar including a longitudinal adjustable head member and a plurality of aligned holes to receive separate locking devices, whereby the bar is locked from longitudinal movement after the bar is received in the bar-receiving frame member.

Abstract: A padlock and bolt assembly wherein the bolt is capable of complete disengagement from bolt receiving means only upon normal operation of the padlock with a key or upon severance of both legs of the link of the padlock.

Abstract: A rod lock for doors or gates having two wings, comprising a locking rod or bar mounted at one wing for vertical displacement. The locking rod, in its closed position, engages into a recess or depression in a floor or the like. The other wing has at least one stop or impact member against which bears the wing having the locking rod. A door lock is effective between both of the wings. At least two guide rings are provided in which the locking rod is vertically displaceable and rotatable about its lengthwise axis. A locking or closure element mounted at the rod is pivotable together with the rod and intended to engage in its closed position between the mutually contacting door wings. A retarding or inhibiting element at the counter-wing prevents lifting of the locking element and thus the locking rod or bar.

Abstract: A door assembly includes a door panel having a reciprocating bolt mounted therebehind with its nose projectable through the door side edge and into a keeper opening in an adjacent door frame side edge. Extending normal to the base of the bolt is an actuator having a lock section disposed through a cutout in the door panel. A lock plate extends outwardly from the door adjacent the panel cutout and includes an offset handle plate overlying the actuator when the bolt is moved to its locked position, at which time a security plate attached to the actuator behind the panel closes or masks the cutout. Aligned openings in the lock section and lock plate then allow the application of a suitable lock device to immobilize the lock section and bolt in the locked position.

Abstract: A locking assembly incorporating a padlock wherein the shackle of the padlock is housed within a rigid protective enclosure when the assembly is locked. The locking assembly includes barrel and bolt members which engage the components to be locked and which members include apertures therein which are located adjacent to each other such that the shackle of the padlock can pass therethrough. The protective enclosure or barrel has an elongated, "double-S" configuration with a central portion thereof forming a barrel-like member. The shackle of the lock passes through the apertures in the barrel and bolt members whereby the lock engages and retains the bolt member while the shackle of the lock is substantially surrounded by the barrel member.

Abstract: A locking device includes a base having openings therein for joining the base to a first surface, such as the surface of the door, and a cover hinged to the base plate by a solid bar passing through apertures in flanges near the upper end of the base plate and cover. This solid bar is sufficiently long to engage an opening in a second surface, such as a door jamb. Joined to and extending laterally from the solid bar is a second bar that lies between the flanges of the cover plate, thus confining the second bar to the space between them, and preventing removal of the solid bar from the device. Projecting from the inner surface of the plate and from the inner surface of the cover are lock-receiving flanges having apertures which lie proximate one another when the cover plate is closed against the base. The apertures in these lock-receiving flanges lie at least partly in the same plane, permitting the hasp of a padlock to pass through both, thus locking the cover to the base plate.

Abstract: A surface bolt adapted to be mounted on an inner or outer surface of a closure member, such as a door or window, the bolt being slidable in guides between positions into and out of engagement with a keeper. One of the guides is provided with means to receive the bow of a padlock in two positions, in one position to prevent unlocking of the bolt or, in the other position to prevent locking of the bolt. The bolt may have a recess extending across its outer surface, positioned and dimensioned to be engaged by one of the guides in the locking position of the bolt and to be resiliently and releasably held in such engaged position by a spring.

Abstract: A lock-protective device designed to be used with various well known garage-door-locking units wherein the units include a sliding bolt, adapted to be slidably secured to the lock housing of the unit by a padlock, the present lock-protective device comprising a protective plate having a front wall and an integrally formed rear wall which is bent over to form a support keeper that is received over the locking bolt and allows the front wall to cover the padlock. There is included a lock strut positioned between the front and rear wall members, said strut having an aperture therein to correspond to the opening in the existing ear of the lock housing, whereby the padlock arm is received through both openings to prevent removal of the lock-protective device therefrom.

Abstract: A surface bolt adapted to be mounted on an inner or outer surface of a closure member, such as a door or window, the bolt being slidable in guides between positions into and out of engagement with a keeper, the bolt having a recess extending across its outer surface, positioned and dimensioned to be engaged by one of the guides in the locking position of the bolt and to be resiliently and releasably held in such engaged position by a spring housed in the guide.

Abstract: This invention relates to a multiple padlocking device commonly used in conjunction with gates for the entrance to a particular piece of property. A vertical rotatable plate is carried on a stationary horizontal axis in the same plane as the fence and gate when the gate is closed. A series of holes are located in the rotatable plate with individual bars being pivotally attached to the plate to cover each respective hole. Locking holes are contained in both the rotatable plate and each pivotable bar contained thereon to lock the bar into a position covering each of the respective holes. A horizontally slidable locking bar which is in the same plane as the gate, slidably extends through a gatepost with one end thereof extending into a hole in a fencepost.

Abstract: An auxiliary lock comprising a lock body for extension through an opening in the closure to be secured; there being a stop forming element on one end of said lock body for engaging one side portion of said door to limit the extension of said lock body therethrough, as well as to stabilize same in position. A bolt is presented for projecting through a bore in the extended portion of said lock body, in generally axially perpendicular relationship thereto. One end of said bolt is enlarged to limit its projection through said lock body bore, and the other end is received within a socket provided in the structure adjacent the door. A lock is engageable upon said bolt between said lock body and said socket.

Abstract: A high strength bolt assembly for positive securement of doors and the like is disclosed. The assembly includes a pair of mounting elements adapted for mounting to a door and door frame, and a slide bolt mounted to one of the elements for sliding movement to and from a bolted position engaging the remaining element. The mounting elements include flange portions and the flange portions and the slide bolt are each formed with openings therethrough positioned to enable padlocking of the flanges and bolt together as a unit. The mounting elements further are preferably formed for access to the padlock locking the bolt assembly from either side of the door. In one embodiment the flanges are provided on each of the mounting elements and extend toward each other to overlap in side-by-side relation. In another embodiment, particularly well suited for sliding glass doors, the flanges are provided on a single mounting element.