Abstract: A preassembled cam lock assembly comprising is disclosed which includes a housing defining a throughbore configured to receive an interchangeable lock core. A tail piece is fixedly secured on a rear face of the housing. The tail piece defines a stepped bore including an arc-shaped cutout. Each end of the arc-shaped cutout defines a stop surface. A cam driver is configured to be rotatably retained in the stepped bore of the tail piece. The cam driver includes a first end defining an arc shaped lost motion slot and a second end adapted to engage a cam. The cam driver has a plurality of spaced bores which are dimensioned to receive a driver pin which is movably positioned within the cutout of the tail piece between the stop surfaces. A cam is secured to the second end of the cam driver adjacent the tail piece.

Abstract: A lock includes a lock housing, a lock interface, a rotary locking member, a locking bolt, and a locking mechanism. The rotary locking member extends from a side portion of the lock housing, the rotary locking member being rotatable about a first axis between a locking position and a releasing position. The locking bolt is configured to hold the rotary locking element in the locking position when the locking bolt is in a first position and to allow the rotary locking member to rotate from the locking position to the releasing position when the locking bolt is in a second position. The locking mechanism is configured to slide the locking bolt from the first position to the second position in response to proper manipulation of the lock interface.

Abstract: An apparatus and system for automatically opening and closing a bathroom stall door. The system includes a motor for driving the door open or closed. A control unit controls the operation of the motor. An outer activation sensor senses a presence of a person in proximity to the outer activation sensor. Upon sensing a presence of a person in proximity to the outer activation sensor by the outer activation sensor, the control unit commands the motor to open the door and automatically close the door after a predetermined time period. When an inner activation sensor senses a presence in the proximity to the inner activation sensor, the control unit locks the door lock. When the inner activation sensor senses a presence in proximity to the inner activation sensor a second time, the control unit unlocks the door lock and commands the motor to open the door.

Abstract: A locker that may either be opened in a keyed or keyless manner includes a locking mechanism formed predominantly of sheet components. The locking mechanism is designed to be carried by the frame of the locker, and is particularly suited to enable the locker to be used as an evidence locker or similar restricted access storage compartment. Various spring biases are used to force the locking mechanism to a locked position when the locking mechanism is appropriately triggered, such as by a pushbutton. The locking mechanism is designed to be substantially tamper proof and cannot be reset to an unlocked position without a key, if equipped, or access to a lock resetting lever arm that is only accessible through a rear opening of the locker.

Abstract: A bar lock assembly for locking a door in a closed or secured position is described. The bar lock assembly includes a tubular bar having curved portions that transition into a hinge receiving portion. A handle is rotatably engaged to the tubular bar. Hinge assemblies receive the hinge receiving portions of the tubular bar. The hinge assemblies connect or attach the bar lock assembly to a frame of the door.

Abstract: A remotely actuable refrigerator door lock has a body portion attached to the cabinet and a door portion attached to an edge of the door. A latch in the body portion engages a strike plate in the door portion and can be remotely lifted to open the refrigerator. The door lock assembly is connected to a remote host computer via a USB or ethernet connection. Temperature and/or humidity in the refrigerator is compared with a predetermined limit, and in the event the sensed value is beyond the limit, the remote opening functionality is disabled, and a microprocessor automatically generates and sends a warning message. A key lock can provide access in the event of an adverse temperature or humidity event. The host computer keeps an audit trail of the times and personnel accessing each refrigerator. The system may be used in hospital for controlling access to pharmaceuticals or may be used in a weight loss program.

Abstract: A multiple padlock lock system for locking a first post to a second post has a common plate and connecting links. Padlocks connect the common plate and the connecting links around the first post lock the common plate to the first post. Connecting links or a tongue plate lock the common plate to the second post. At least two padlocks must be unlocked to remove the lock system.

Abstract: The invention relates to a device for a bidirectional displacement of a means or a connecting element, along a guide, which can be reversibly moved between at least two positions along the guide, with a means for driving that can be engaged with the means or connecting element, which is capable along the guide to displace the means or connecting element in a direction while being subjected to force and an actuator engaged with the means or connecting element, which is capable of displacing the means or connecting element in the opposite direction along the guide while being subjected to the force and wherein the actuator is actuatable by a converter material.

Abstract: An externally releasable security bar system for mounting on an inside surface of an inwardly swinging door and engaging a floor surface to prevent unauthorized entry through the door is provided. The system may include a mounting plate, a bracing arm, a release pin, an actuation mechanism, and a locking mechanism. The bracing arm has a secured position in which a distal end of the bracing arm is in contact with the floor surface, and an unsecured position in which the distal end is elevated from the floor surface. The actuation mechanism transfers the release pin to an engaged position, which causes the bracing arm to pivot to the unsecured position to allow unimpeded entry through the door. The locking mechanism is provided to allow for selective operation of the actuation mechanism.

Abstract: The present invention relates to a door lock structure including: an inner fixing plate having a protruding ring adapted to rotatably receive one end of the inner lever; an inner mounting plate adapted to abut against one surface of the inner fixing plate; an outer fixing plate having a center hole adapted to rotatably receive one end of the outer lever and a plurality of protruding portions extending circumferentially from the center hole; an outer mounting plate adapted to abut against one side of the outer fixing plate and having a plurality of through-holes formed along the circumferential direction thereof; and elastic means adapted to provide a given elastic force so as to allow the inner lever and the outer lever to be returned to their original positions.

Abstract: A lock includes a lock housing, a lock interface, a rotary locking member, a locking bolt, and a locking mechanism. The rotary locking member extends from a side portion of the lock housing, the rotary locking member being rotatable about a first axis between a locking position and a releasing position. The locking bolt is configured to hold the rotary locking element in the locking position when the locking bolt is in a first position and to allow the rotary locking member to rotate from the locking position to the releasing position when the locking bolt is in a second position. The locking mechanism is configured to slide the locking bolt from the first position to the second position in response to proper manipulation of the lock interface.

Abstract: A door panel lock system for a door panel assembly. The door panel lock system is incorporated into a cutout in a door panel of the door panel assembly. The lock system includes a lock mechanism that is coupled to a floor bolt assembly by a connecting member, and a cover that is coupled to the door panel and covers a portion of the cutout and the connecting member.

Abstract: A portable security lock for an inwardly opening door. Matching short and long locking blocks are held together by screws or other suitable fasteners. A locking bar having an insertion section that can be placed in the strike plate of the door jam is provided. The locking bar further has a row of teeth that face the insertion section. A pivoting arm, connected to the attached matching short and long locking blocks is provided. The pivoting arm has a locked and unlocked position and a series of teeth that mesh the teeth of the locking bar. When the locking arm is fully engaged against the locking bar via the respective sets of teeth, the locking bar is held firmly in position.

Abstract: A door lock assembly includes a spindle tube inserted rotatably into a sleeve connected to a handle. A spindle drive is disposed in the spindle tube adjacent to a driven shaft that is disposed in the spindle tube and that has a driven part driven by a driving tooth of the spindle drive to rotate the driven shaft. A clutch tube is inserted into the spindle tube and is sleeved around the driven shaft. The clutch tube is connected movably to and moved by the driven shaft so that the clutch tube is connected to the sleeve in an unlocking position of the door lock assembly, or separated from the sleeve in a locking position. Thus, the handle idles in the locking position.

Abstract: A door lock assembly includes a transverse retaining plate disposed inside a spindle tube and having a stabilizing part and a retaining tongue projecting into a retention slot in a handle. A support structure is disposed within the handle oppositely of the retention slot and has a support part extending radially into the spindle tube. When the door lock assembly is in a locking state and when the retaining tongue in the retention slot is pressed externally, one of two diametrically opposite edges of a tailpiece of a key plug abuts against the support part, and the other one of the edges abuts against the stabilizing part of the retaining plate to restrict the retaining tongue from moving away from the retention slot, thereby preventing undesirable removal of the handle from the door lock assembly.

Abstract: A closure system for a door opening includes a striker having a support plate and a striker wire, and a lock having a bolt actuated by a detent pawl and adapted to retain the striker wire in the door opening. The lock and the striker each have at least one attachment feature that is complementary and separate from the bolt and the striker wire. The striker is thus secured to the lock during the installation of the closure system on the vehicle.

Abstract: A latch has a displaceable latching element in a housing for engagement with a separate striker arm to be latched behind an engagement shoulder of the latching element. The housing mounts a cylinder lock to receive a key from the front: A rotor is mounted on the rear of cylinder lock and rotation of the key rotation the rotor to drive a locking element to engage and lock the latching element. The rotor may also be axial displaceable against spring biasing responsive to a rear unit pushing element whereby unlocking from a rear cylinder lock may rotate the rotor to unlock and pushing causes the latching element to be displaced against its biasing to release the striker arm.

Abstract: A gate latch is adapted to be installed on a gate post and a complementary striker arm is secured typically to a gate so that, upon closure of the gate, the striker arm engages a displaceable latching element mounted in a housing of the latch to displace the latching element. The latching element is biased towards its open position but when the striker arm engages with the latching element it is displaced, thereby releasing an interference portion of a biased locking element, whereby the locking element is released to move under its biasing into a locking position so that self-locking is provided for the latch. A rotary release mechanism may be actuated to return the locking element so that they latching element can be released to release the striker bar and the gate may be opened.

Abstract: A method and apparatus for locking a container. The present disclosure relates to a lock mechanism which comprises a latch assembly having a rod and an extension including a latch aperture, wherein the extension extends from the rod to position the latch aperture away from the rod. The lock mechanism further comprises a door assembly having a door aperture. Additionally, a support assembly is adjustably coupled to the latch assembly wherein the support assembly includes at least one arm which supports the latch aperture in alignment with the door aperture. The method for locking the container comprises adjustably coupling the support assembly to the latch assembly and attaching the support assembly to mount assemblies which are releasably attached to internal walls of the container. The door is moved to a closed position to position the door aperture adjacent to the latch assembly wherein the extension is in alignment with the door aperture to receive a lock.

Abstract: A gate lock device with front and rear units to be mounted on opposite sides of a structure associated with the gate and against which the gate closes. A gravity latch, displaceably mounted in the housing of the front unit, is engageable with a keeper pin. The front and rear units are provided with key-operated locks which are operable to lock and unlock the gravity latch. The rear unit includes an axially displaceable actuator operable to unlock the gravity latch when the key-operated locks are unlocked.

Abstract: An anchor bracket is positional on a ground surface interior of the door opposite the base. An anchor bracket and the base lie along a horizontal plane. A bar extending across the door is pivotal about an axis extending parallel to a ground surface. Such a bar includes upper and lower portions, each having an aperture therein. The upper portion extends away from the outer edge of the door such that the upper portion is aligned to the top of the shaft and is positional in the slot. The upper portion is connected to the top of the shaft. The lower portion is connected to the anchor bracket. The bar includes a hook located on top of the shaft and positional about the door knob. The shaft and the bar are positioned interior of a door. The bar extends from the anchor bracket to the shaft and terminates midway of the door.

Abstract: A security locking system for trailers that features an interior locking bar that is controlled from the outside. The locking bar is traversed in a linear motion parallel to the door by a toggle mechanism. The bar is guided into the locking mechanism by two guides mounted to the inside of the trailer door. The toggle mechanism is turned using a common trailer latch that also locks by use of a key. Alternatively the latch could be modified to lock or unlock by using a remote activator. Once the latch is turned all the way (90 degrees) it will raise the locking bar into the upper secure bracket. The lower part of the locking bar will be lowered into the lock housing which is hidden just under the trailer floor, it will then be in position in the locking mechanism for the key pin to be inserted and then locked. The locking mechanism can also be modified to be controlled using a remote activator.

Abstract: A tabletop high relocateable shelter for protecting individuals from dangerous conditions such as hurricanes, tornadoes and the like, that can withstand winds of approximately 450 mph. The shelter can be attached and detached from a concrete foundation. A rectangular frame that is formed from L-shaped longitudinal members are fastened together and can be anchored to the concrete foundation by hook ended anchor bolts that have exposed threaded ends that nuts can attach thereto, or by concrete type bolts made for that purpose. Removable panels can be attached to the outside of the frame to form walls and a roof using fasteners such as screws and bolts. A door can be attached to an opening in the side of the frame, and include L-shaped members that form door braces and hinge guards that allow the door to stay in a stationary closed position. Slideable latching members can further hold the door in a locked position.

Abstract: A portable door security mechanism which allows an existing door to be temporarily secured from the non-hinged side of the door without destruction or penetration of the door, the door frame or any existing components of the door, is disclosed. The device uses a cylindrical locking pin which is designed to slip underneath the door to be secured and rotated such that part of the locking pin protrudes upward to prevent the door from opening from the inside. The locking pin is secured to a base plate member and a cover plate which, when interlocked over a portion of the locking pin, is disposed to accept a conventional pad lock or similar device. The disclosed security mechanism can be folded through a hinge mechanism for convenience and can be applied or removed quickly without having access to the interior side of the door.

Abstract: A gravity latch for a gate has a front unit having a key operated lock accessible from its front face and a latching tongue mounted in a housing and adapted to capture and retain a striker pin for use with the latch and mounted on a gate, the front unit having a locking element adapted to be displaced by the lock when key operated and a connection arrangement for, connecting to a separate rear unit adapted to be mounted on the opposite side of the gate post. The rear unit has a similar key operated lock and connects through a connection element of an elongate form. A lost-motion connection is provided in association with each lock so that each lock can be actuated independently and either can lock or unlock the latching tongue, and when the tongue is unlocked the rear unit, through a push-button can displace the tongue to release the striker pin.

Abstract: A security locking system that includes a cross bar pivotally connected at one end in a manner to pivot in two planes, a locking brace connected to a door frame at an opposite point from the point of the pivoting connection of the cross bar in a locking brace which includes an actuating mechanism which rotates around the locking bar and pulls the locking bar into a U-shaped sleeve. In an alternative embodiment, a segmented cross-bar is located totally within the door and is lengthened or shortened by rotation of a key on the outside of the door to enter or exit a pair of receptacles in the door frames to lock the door, or to open the door, respectively.

Abstract: A door lock for an all-glass door with an adjacent fixed glass side panel. In this case, the door lock is attached through a boring contained in the all-glass door and basically presents a dead bolt, a latch bolt and a follower. Furthermore, a lock strike box is mounted through a boring contained in the glass side panel at the height of the door lock. Furthermore, the door lock comprises a first lock casing arranged on one side of the all-glass door and a second lock casing placed opposite to the first lock casing on the other side of the all-glass door. The first lock casing comprises the latch bolt and the second lock casing comprises the strike plate for the dead bolt. Furthermore, there are a first lock strike box and a second lock strike box, effectively connected to each other by means of a closing cylinder through a boring contained in the fixed glass side panel.

Abstract: A portable door security mechanism which allows an existing door to be temporarily secured from the non-hinged side of the door without destruction or penetration of the door, the door frame or any existing components of the door, is disclosed. The device uses a cylindrical locking pin which is designed to slip underneath the door to be secured and rotated such that part of the locking pin protrudes upward to prevent the door from opening from the inside. The locking pin is secured to a base plate member and a cover plate which, when interlocked over a portion of the locking pin, is disposed to accept a conventional pad lock or similar device. The disclosed security mechanism can be folded through a hinge mechanism for convenience and can be applied or removed quickly without having access to the interior side of the door.

Abstract: A vehicle anti-theft device includes a frame for securing over a vehicle door. The frame includes one or more support legs each having an upper arm slidably mounted thereon for securing between the top of the vehicle window frame and the vehicle roof. The support leg includes a lower arm for attaching to a vehicle jack rail or similar plate mounted beneath the vehicle. A locking means secures the upper arm at a select position relative to the support leg to tightly fasten the frame about the vehicle door thereby preventing an unauthorized user from opening the door.

Abstract: A security locking system that includes a cross bar pivotally connected at one end in a manner to pivot in two planes, a locking brace connected to a door frame at an opposite point from the point of the pivoting connection of the cross bar in a locking brace which includes an actuating mechanism which rotates around the locking bar and pulls the locking bar into a U-shaped sleeve. In an alternative embodiment, a segmented cross-bar is located totally within the door and is lengthened or shortened by rotation of a key on the outside of the door to enter or exit a pair of receptacles in the door frames to lock the door, or to open the door, respectively.

Abstract: A gravity latch for a gate has a front unit having a key operated lock accessible from its front face and a latching tongue mounted in a housing and adapted to capture and retain a striker pin for use with the latch and mounted on a gate, the front unit having a locking element adapted to be displaced by the lock when key operated and a connection arrangement for connecting to a separate rear unit adapted to be mounted on the opposite side of the gate post. The rear unit has a similar key operated lock and connects through a connection element of an elongate form. A lost-motion connection is provided in association with each lock so that each lock can be actuated independently and either can lock or unlock the latching tongue, and when the tongue is unlocked the rear unit, through a push-button can displace the tongue to release the striker pin.

Abstract: In a lock for sliding door, window or like closure the slider has on its face adjacent the outside wall of the casing a member projecting a predetermined distance which projects through the slot in the locked position of the slider and abuts against the edge surface of the outside wall defining the longitudinal end of the slot. A return spring between the slider and the casing spring-loads the slider towards the outside wall of the casing but allows movement of the slider in the direction perpendicular to the outside wall over a distance at least equal to the predetermined distance.

Abstract: An apparatus for preventing a door from opening. The apparatus preferably comprises a pair of anchors which are mounted to a floor. The anchors are located beyond both edges of the door on the side toward which the door opens. Each of the anchors has a slot in it so that it can accept an end of a cross bar to form a connection. The anchors are oriented so that the slot in each anchor aligns with the slot in the other anchor when the door is in a closed position and the apparatus is engaged. A cross bar is placed between the anchors to prevent the door from opening. The cross bar is connected to the anchor on the edge of the door which is on the same edge of the door as the hinge of the door by a pin which allows the cross bar to be rotated upwardly. The anchor with the hinge is connected to the floor in such a manner as to allow the anchor to rotate on an axis which is perpendicular to the floor.

Abstract: An improved security system for a door that opens inwardly or outwardly, that includes a bar having on one side of the door jamb a U-shaped bracket for locking the bar across the door, preventing its movement inwardly, a double hinge joint on the opposite side, securing the bar to the door jamb, and a key-actuated locking mechanism that includes an actuating fork that raises the security bar at one end away from the U-shaped locking bracket, thereby allowing the door to be opened, and in a second position, disengaging the lever arm from the security bar, causing the security bar to be firmly engaged in the U-shaped lock on the door jamb.

Abstract: A security bar 14 for securing a door 2 hinged at one side of a door 2, the security bar 14 being hinged to the door surround 4 at the same side as the door 2 is hinged thereto and extending across the door surround 4 so as to be lockable with a locking device 18. The bar 14 is of freely adjustable length, and has its lockable end fixed relative to the door 2. Thus, the door 2 and the bar 14 pivot together about their respective displaced hinges by virtue of the varying length of the bar 14. The locking device is in the form of a key operated lock, the key of which is long enough to pass through the thickness of the door and into the lock.

Abstract: An electrical panel locking apparatus includes first and second elongated angle iron bars having panel gripping hooks on one end of each elongated bar. One of the elongated bars has a flanged end portion with an angled slot therethrough for sliding the other elongated bar so that one telescopes inside the other and each angle iron elongated bar has a plurality of openings therein so that openings in one bar can be aligned with the openings in another bar for inserting the shackle of a padlock to lock the bars together. Thus, the hooks on each bar connect to either side of the front panel of an electric box and each has an off-set angle to allow the locking bars to fit over the panel door. The elongated bars can be telescoped to clip around the edges of any size panel and over the panel door and locked in position.

Abstract: To prevent the unauthorized unlocking of van doors equipped with safety rod locks, the lever of the safety rod lock is held to the door by a retainer clip. The retainer clip has an extending tongue with apertures in it that passes through the door into the van. In the van, there is a dead bolt which may be actuated by a key cylinder inserted from outside the van through the door to cause the dead bolt to enter an aperture and lock the extending tongue of the retainer and hold the retainer in place so that the lever cannot be moved to unlock the safety rod lock. A second key actuated member or solenoid actuated member is actuated to move a cam in front of the first key slot so that it cannot be unlocked until the second cam lever is moved out of the way. Thus, a sequence must be followed using two different actuating means to unlock the door or lock the door.

Abstract: A lock assembly is described for a door, the assembly including a gib having at least one flange. A locking unit has a first wall including an edge portion on the wall for sliding into the gib and for engaging the flange on the gib such that the locking unit is retained by the gib. A locking latch is movable between an unlocked position in the locking unit and a locked position such that the locking latch engages a wall in a frame when in the locked position. A second wall extends from the first wall of the locking unit in a direction substantially non-parallel to the first wall of the locking unit to keep the door closed when the locking latch is in the locked position.

Abstract: A portable lock for doors, intended for use at hospitals, nursing homes, or other institutions, whose rooms do not have a lock when they are occupied by patients or other occupants. The lock has a unitary plate upon which is mounted a clamping mechanism for attachment to the door and a locking mechanism. The lock can be manually attached and removed from the door without the use of tools and is independent of the doorknob or handle assembly and the associated keeper. In one embodiment, a key is used to unlock the door, and in another embodiment, a padlock or combination lock, and/or a tamper proof seal can be used to lock the door.

Abstract: A combined lock and latch for use with an exterior compartment door on a recreational vehicle has a cylindrical barrel and a rotatable plug mounted within an axial opening formed in the barrel. A number of spring-biased, key retractable tumblers extend through the plug and are received in a narrow slot formed in the barrel to prevent the plug from rotating relative to the barrel when the plug is in a locked position. A metal cam having mutually perpendicular legs is mounted at one end of the key plug, with one of the cam legs engaging a fixed keeper when the plug is in the locked position. An arcuate groove is formed on the barrel and receives the tumblers when the key plug is in latched and unlatched positions. The groove sweeps through approximately 90 degrees and allows the plug to be freely rotated without the use of a key. A second leg on the metal cam engages the keeper when the key plug is the latched position.

Abstract: The present invention relates to a coupling member which comprises a first slotted member and a second key member, wherein the second key member is arranged to be inserted in to the slot of the first member and to be latched to the first member upon being partially rotated. The coupling member of the present invention is particulary envisaged for use as a secondary safety coupling between a towing vehicle and a trailer which are coupled by a primary coupling such as a ball and socket coupling.

Abstract: Disclosed is a locking device which comprises a stationary member permanently mounted on a door structure together with a passive stationary block permanently mounted on adjacent wall structures which is connected to an interlocking member by means of an armored cable, the interlocking member interlocking with the stationary member to preclude movement in all directions but one and with a cylindrical barrel lock interlocking with both the stationary member and the interlocking member to preclude movement in the remaining one direction. The entire structure is generally invulnerable to attack by conventional burglary tools unless such attack is carried out for excessive periods of time, e.g., an hour or longer.

Abstract: This door lock assembly has a thin mounting plate which fits snugly against the door post and passes behind the rear edge of the door without interfering with the usual latch on the door. An opening in this mounting plate passes the usual striker on the door post for engagement by the door latch. The mounting plate has an outer wall segment which extends behind the rear edge of the door and supports the housing of a lock. The lock has a slidable locking bolt which can be retracted behind the rear edge of the door, permitting the door to be opened and closed, or extended forward along the outside of the door to lock it closed.

Abstract: An auxiliary lock assembly for a door hung in a frame consisting of a plate member having a portion disposed between the door and the door frame and extending inwardly of the door, a plate holding member having a slot receiving the extended portion of the plate member and engaging the inner side of the door to secure the plate member thereto, an angled portion of the plate member overlying an outer side portion of the door and having a pair of laterally spaced horizontal elongated locking members extending outwardly thereform, one of the locking members being pivoted to permit the door to close into the door frame and a lock member receiving and securing the elongated locking members and the lock member having a shoulder engaging the door frame.

Abstract: The prevalent lockrods type rear-end closures for overland cargo carrying vehicles are exceedingly vulnerable to determined thievery. The high security locking assembly of the present invention is highly deterrent to thievery and comprises a hasp including a pair of J-shaped members respectively removably engaged with the two closure lockrods and having the apertured staple of the primary J-hook member cooperatively protruding through a slot of the secondary J-hook member. The two cooperating J-hook members are securely joinable with a padlock having its U-shaped bar passing through the protruding staple, and hence, protectively shrouded by the cooperating J-shaped members. When the lateral spacing of the lockrods is relatively close, the locking assembly prevents closure play as additional deterrent to thievery. The locking assembly will also accommodate relatively distant spacing of the lockrods and even if the two closure doors include a rearwardly protruding upright rib.

Abstract: A security device for preventing the unauthorized opening of swinging doors. The device has two members, each of which includes two parallel tubes and a rectangular metal plate or web. Each pair of tubes is welded to the respective opposite side edges of its metal plate, and the device is adapted to slide along the floor beneath a door when the door is opened with the tubes of each pair upon opposite sides of the door. The tubes of one member are smaller than those of the other, and the pair of smaller tubes extend beyond their plate toward the other member, and are inserted into the respective larger tubes to a nested position. The overall length of the device is then such that the door can be closed. The members are then moved relative to each other from the nested position, i.e., longitudinally of the pipes so as to span the width of the door. Each pair of pipes has extensions beyond the plate which are then positioned upon opposite sides of the door frames.

Abstract: A locking mechanism for a horizontally swinging gate bar, for locking the end of the bar to a vertical post. The vertical post has a cap member threadedly mounted eccentrically thereon, said cap member having a cavity to receive the end of the gate bar. The cap member contains a locked linkage, one of whose links includes a locking projection engaging in a slot in the post, whereby to lock the cap member in a non-rotatably held condition lockingly receiving the end of the gate bar. The linkage includes pivotal connections formed by the shackles of padlocks. By removing at least one of the padlocks the linkage can be disconnected to allow withdrawal of the locking projection from the post slot, to thereby allow the cap member to be rotated sufficiently to enable the end of the gate bar to be swung out of the locking cavity. A stop member depending from the floor of the cavity cooperates with a horizontal lug in the post to prevent unscrewing of the cap member from the post.

Abstract: A lock for medicine cabinet doors and the like has a base or mounting element attachable to a cabinet side wall. A retaining and guidance bar for a lock body extends from the base element laterally outwardly of the cabinet side wall. A lock body having a key operable tumbler cylinder is movable on said retainer and guidance bar between locking and release positions. A cabinet closure locking member or "bolt" secured to the lock body and parallel with the retainer and guidance bar and offset therefrom blocks the opening of the cabinet closure when the lock body is in the locking position.

Abstract: An actuator assembly for converting linear movement to rotational movement for operating a lock assembly for locking and unlocking doors and the like. The assembly includes an axially shiftable shaft, a rotatable member associated with the shaft alternately rotatable in clockwise and counterclockwise directions with axial movement of the shaft, and cam and cam follower means for reversing the direction of the rotational movement of the rotatable member after each cycle of axial movement of the shaft.