Abstract: The invention is a cam locking rod devices for securing doors on intermodal cargo containers, semi-trailers, utility trailers, trucks, and other similar cargo storage compartments. The lock rod device is used in conjunction with a rotatable cam lock rod, having cam locks on each end, mounted on a container door for securing the container door in a locked condition. A locking cylinder, through which the cam lock rod extends, has at least one locking projection thereon which interacts with at least one projection on a sliding latch, which when intermeshed prevents rotation of the cam lock rod. A pad lock is used in conjunction with the sliding latch to lock projections on the locking cylinder and slide latch in a meshed position which prevents rotation of the cam lock rod.

Abstract: This invention provides a combination grab bar and door lock for grab bar systems of the type wherein a grab bar is mounted outside a recreational vehicle and adjacent an outward-opening door. It provides a grab bar system wherein the grab bar means may be optionally positioned adjacent to an outside portion of the door and locked into such position, thereby barring the opening of the door.

Abstract: A door securing device with an elongated, rigid bar that is attachable to a pair of lock posts affixed to the door or door frame of the building or other secured area to be protected against unwanted entry. The bar has an opening in each of its ends, each for receiving one of the lock posts. The first lock post has a groove therein in which the bar slides within the constraints of the opening corresponding with that post. The second lock post has a narrow neck which receives the bar via the corresponding opening therein, and an enlarged base which receives and locks the bar in place when the bar is axially slid along the post thereby allowing a lock to be closed over the narrow neck to secure the door of the building.

Abstract: An abutment swivel doorstop has a mounting plate mountable onto a door frame, a stop member pivotally and slidably mounted on the mounting plate, a biasing means for urging the stop member in the disengaged position, a keeper pivotally mounted on the mounting plate, and a latch mountable on a door which is hingedly mounted within the door frame. The stop member is rotatable between a door opening position and a door blocking position and slidable between a disengaged and engaged position. The keeper is rotatable relative to the stop member between a locked and an unlocked condition. The keeper has a cam for urging the stop member against the biasing means and into the engaged condition as the keeper rotates between the locked and unlocked conditions. As the keeper rotates between the locked and unlocked conditions, the stop member engages and disengages the mounting plate and the latch for locking and unlocking the door to the door frame.

Abstract: A latch with multiple locking means comprising first, second and third supporting bases for attaching to the surface of a door, gate or jamb. The latch is engaged and disengaged by pivoting a striker through interstices defined between the supporting bases and first and second stirrup members. The latch is locked from the inside by securing a padlock through a passage created by an aperture in a handle and an aperture in a first stirrup member. Additional means of locking the latch is provided by a winged unit attached to the end of the striker. The winged unit engages a double-pronged keeper and is padlocked thereto. The double-pronged keeper comprises two inclining prongs along which the striker slides. Located on an upper portion of the inclining prongs are notches in which the striker fails and is securely held. Another means for locking the latch is provided by a pin which passes through an aperture in the handle and a coninciding aperture in the first stirrup member.

Abstract: An apparatus for securing a lid of a trash bin includes a frame couplable to a wall of the trash bin. The frame defines a housing which at least partially encloses moving parts of the locking mechanism. This housing inhibits tampering with the locking mechanism and protects the locking mechanism against exposure to the trash placed in the bin. In addition, the apparatus includes a coupler for holding the housing against the wall of the trash bin so as to prevent unauthorized access from outside the trash bin while permitting an individual locked inside the trash bin to decouple a portion of the frame from the bin to permit the individual to exit the bin.

Abstract: A portable security grill apparatus which may be installed in window openings of buildings includes two rectangular grill sections longitudinally telescopically fastened to one another. Opposite longitudinal ends of the two grill sections have beams disposed perpendicularly to the axis of longitudinal telescoping movability of the two grill sections, the beams having flat outer surfaces adapted to abut a window edge at one end of the grill apparatus, and a window frame edge, at the other end of the apparatus. At least one toggle clamp Connected between telescopically joined members of the two grill sections is capable of exerting a large outward extension force when in a closed, clamped position, thereby exerting compressive forces on the window and window frame sufficient to prevent the grill apparatus from being removed from the window opening.

Abstract: A standard garbage receiving dumpster is provided with a locking bar disposed across its lid. A locking mechanism cooperating with the locking bar is added to the dumpster to prevent the locking bar from rotating when the dumpster is in an upright position. A lock is provided which when opened permits the locking bar to be disengaged from the locking mechanism to allow authorized users to rotate the locking bar and open the dumpster lid to permit the deposit of garbage therein. The locking mechanism is disengaged when the dumpster is in an inverted position to permit the lid to open and the contents of the dumpster to be removed.

Abstract: A door lock mechanism that allows either tool operable locking or padlocking of a handle and escutcheon assembly. The lock includes a tool operable insert inset in the lock base and adapted to receive any one of number of standard tools. Such tools are used in industry to restrict access to specific groups of craft persons. For applications desiring padlock capability, the tool operable access can be disabled. A pawl coupled to the tool operable insert, is operable between first and second positions. When the pawl is biassed toward the first position, corresponding to the locked state, it will engage the latch, thereby effecting locking, whenever the latch is brought to the latched position, by turning the handle to a vertical position, and the use of the tool operable insert is enabled for disengaging the pawl from the latch and the pawl. When the pawl is biassed toward the second position the pawl is prevented from engaging the latch, thus disabling the tool operable lock to provide for padlocking.

Abstract: A security device for cargo doors and similar articles which utilizes a conventional padlock to secure the horizontally extending handle present on many conventional double cargo doors of cargo carrying vehicles. The security device includes a stationary base member which is mounted on the cargo door by carriage bolts or other conventional fasteners and a rotatable blocking member which is rotatably mounted on the cargo door above the stationary base member. The rotatable blocking member can be rotated in a plane parallel to the cargo door upwardly in relation to the stationary base member to allow the horizontally extending handle to be placed adjacent the stationary base member.

Abstract: A camper shell locking device (10) for captively engaging the door (102) of a camper shell relative to a truck tailgate (100); wherein, the device (10) comprises a main bracket member (20) having a sleeve element (21) which fits over the tailgate (100), and a backing plate member (24) which contacts the back of the camper door (102); and a closure panel member (30) pivotally connected to the sleeve element (21) and dimensioned to be engaged in a locked fashion against the front of the caper door (102).

Abstract: A releasable locking apparatus for securing a closure member to a frame includes a catch plate rigidly secured to the frame, the plate defining a catch. A locking device is pivotally secured to the closure member with the locking means defining an aperture which cooperates with the catch. The arrangement is such that in use of the apparatus, the locking device moves from a first pivotal disposition in which the catch and the aperture are spaced relative to each other to permit movement relative to the frame. The locking means moves to a second disposition in which the catch and the aperture cooperate together so that the locking means rides upon the plate. The locking device moves to a third disposition in which the catch is latchingly disposed within the aperture for securing the closure member to the frame. A backing plate is rigidly secured to the locking device for pivotal movement therewith. The arrangement is such that the closure member is disposed between the backing plate and the locking device.

Abstract: A universal connector is provided which is especially well suited for connecting the free ends of gates of a double gate. The connector includes a yoke rotatably attached to a base portion which may be a flat plate for attachment to a post by bolts or the flat plate may be bent into a second yoke wherein the two yokes are rotatably connected in a back to back relationship for interconnecting a pair of items such as the free ends of gates in a double gate.

Abstract: A container (10) includes a base portion (12), a cover (11) and a latch assembly (13) for releasably attaching the cover (11) to the base portion (12). The latch assembly (13) includes a latch body portion (24) having lower upper end (27) pivotally connected to the base portion (12) and an upper end (26) carrying lug members (36) which can engage a rib (37) on the cover (11). A lock receiving tab (40) extends outwardly from the cover (11) and is positioned adjacent to a slot opening (42) in the latch body portion (24) when the latch assembly (13) is engaging the cover (11). In this position, a lock can be positioned through the slot opening (42) and through an opening (41) in the tab (40) to lock the latch assembly (13) and thus the cover (11) on the base portion (12).

Abstract: Protector apparatus for a hasp of a shipping container of the type having a pair of alignable hasp apertures includes a metal box-shaped body having a top plate, a bottom plate, right and left side plates, an open rear face, and a front face. The apparatus further includes a shield plate on the face of the body extending transversely between the side plates and forming a top opening in the face between the shield plate and the top plate and forming a bottom opening between the shield plate and the bottom plate. A shield aperture in the shielf plate is alignable with the hasp apertures, through all of which apertures a breakaway seal may be threaded for securing the breakaway security seal to the hasp and to the body of the protector. The body supports itself on the hasp and protects the hasp from intentional breakage.

Abstract: A gate latch, using neither gravity nor springs, is forceably opened and closed from either side of the gate by a handled lever that passes between the gate and gate post an into an arcuate cam slot. When the lever is lifted, it forces open the latch to eject a gate pin and, when lowered, forces the latch to close on the gate pin.

Abstract: A closer mechanism for a flexible gate is disclosed. The mechanism is mountable to a member at one end of the gate opening. A bail for receiving the upper end of a gate post is moveable toward and away from the stationary member by the pivoting motion of an operating lever. The mechanism provides a mechanical advantage to provide a force to tension the gate as it is closed. The mechanism has adjustable features for mounting the mechanism and adjusting the distance the bail is moved as the lever is pivoted. A lower loop is provided for receiving the lower end of the gate post.

Abstract: An automatically disengaing locking device is provided for use on a container having a hinged lid pivotable between open and closed positions. The locking device consists of a housing mounted to the side surface of the container, and a latch securable to the lid having a portion which extends through an opening in the housing when the lid is closed. The locking device further includes a keeper element disposed within the housing for engaging the lower portion of the latch to secure the lid in its closed position, a manual release mechanism comprising a plunger for allowing the selective disengagement of the keeper from the latch, and a pendulum for automatically disengaging the keeper from the latch when the container is tilted for emptying.

Abstract: An improved enclosure assembly of the type including an openable enclosure, a locking member movable relative to the enclosure for selectively locking or unlocking it, a keeper mechanism mounted on the enclosure for retaining the locking member in its locked position, and a manually operable lock for selectively locking the locking member in its locked position.An improved tamper-proof locking assembly is provided which greatly minimizes the danger of unwanted intrusion into the locked enclosure. A guard housing having a single opening is placed about the keeper mechanism. The single opening of the guard housing is made large enough for the insertion of a human hand therein when it is desired to unlock the manually operable lock, but is made too small for insertion of a cutting instrument that could cut apart either the locking member, the keeper mechanism, or the manually operable lock.

Abstract: The invention is directed to an automatic locking mechanism for a dumpster container having a hinged lid. The elements of the locking mechanism comprise an L or U-shaped securing member which is attached to one or both sidewalls of the container. The securing member pivots over the lid, and is held in place by a securing mechanism. The securing mechanism fixes the L or U-shaped securing member in a position that inhibits opening of the container lid. The securing mechanism is automatically operated by a spring or gravity operated foot piece and linkage system which pivots the securing member over the lid of the container.

Abstract: A padlock-protecting lock system for use with a container having a movable closure. A shelf supports the padlock within the container such that only the key insertion end of the padlock is exposed for external access and a bracket having one or more depending legs is carried, such as by an arrangement of corresponding prongs and slots, by the supporting shelf and captures the shackle of the padlock. A tang is associated with the movable closure and is positionable within the shackle for capture by the padlock upon locking thereof, whereby the closure is maintained in its closed position.

Abstract: A container (10) includes a base portion (12), a cover (11) and a latch assembly (13) for releasably attaching the cover (11) to the base portion (12). The latch assembly (13) includes a latch body portion (24) having lower upper end (27) pivotally connected to the base portion (12) and an upper end (26) carrying lug members (36) which can engage a rib (37) on the cover (11). A lock receiving tab (40) extends outwardly from the cover (11) and is positioned adjacent to a slot opening (42) in the latch body portion (24) when the latch assembly (13) is engaging the cover (11). In this position, a lock can be positioned through the slot opening (42) and through an opening (41) in the tab (40) to lock the latch assembly (13) and thus the cover (11) on the base portion (12).

Abstract: A structure for locking a display case door including a door handle, a pair of support members supporting the end portions of the handle, a lower support member of which has a through hole, and a locking piece extendably and retractably below the lower support member and having a through hole capable of facing the through hole of the lower support member so that an arm of a lock can be inserted through the both through holes. Since the locking piece can be positioned below and within the lower support member, it does not become any obstruction to the customers. A structure for treating dew drops dropped from a door of a display case including a tray for catching the dropped dew drops, a dew drops scattering inhibitor plate on the front portion of the tray, and a guide path on the rear portion of the tray and sloped down toward a machine room.

Abstract: A gate locking mechanism includes an oarlock pivotally connected to an arm mounted upon a gate post to allow vertically displacement of the spaced apart arms of the oarlock, to and from captive relationship with a fence end post. The gate is secured in a closed position by passing a locking device through aligned openings in a lock tab on the oarlock and in a flange projecting from a lock collar mounted upon the fence end post. By mounting at least the lock collar in a manner to permit sliding and arcuate displacement about its post, the lock collar flange is shiftable to and from its cooperative relationship with the oarlock tab to provide a clear pathway when the gate is opened. In an alternate embodiment, the oarlock is substituted by another slidable and arcuately displaceable member having an apertured flange sliftable to allow insertion of a locking device through the flanges of both members mounted upon the two posts.

Abstract: A gate latch assembly includes a pair of cover members having a common plane of symmetry. A first cover member defines a recess receiving an adjoining lever and spacer block, each having its own plane of symmetry perpendicular to the cover plane of symmetry. The spacer block includes a pair of recesses on opposing sides of the block at one end thereof for receiving the lever on either side of the block. The remaining cover member closes the recess and defines another recess with the first cover member for receiving a portion of a gate or other swinging member on which the gate assembly is mounted. The symmetry of the assembly permits it to be used for left-handed or right-handed and inside or outside opening. A preferred hinge includes a pair of identical post leaves and a gate leaf. Each post leaf includes a knuckle and a post plate supported tangentially from the knuckle by an extenison portion.

Abstract: Improved means for storing and retrieving articles including latching means for releasably retaining said articles, said latching means comprising a base member, a resilient lever portion projecting forwardly from said base member and formed with a latching projection extending upwardly adjacent the forward end of said lever portion to releasably retain an article on said latching means when said lever portion is in its normal raised position, and resilient means located adjacent the rear end of said base member and operable to eject an article from said base member when said lever portion is depressed, together with lock means movable into and out of a position to prevent depression of said lever to prevent unauthorized removal of articles from said latching means.

Abstract: A gate latch for securing a swinging gate to a stationary post includes a generally trapezoidal mounting plate having a three sided rectangular channel member extending laterally outwardly therefrom. A latch bar adapted for securement to the gate is dimensioned for insertion into the channel member for maintaining the gate in a closed position. A pair of pivotal retaining members each have an upper end pivotally mounted adjacent an upper corner at a wide end of the mounting plate and a lower end movable into abutment with one of two parallel side walls within the channel member. A pair of inwardly extending flanges are secured at lower ends of each of the retaining members, forming a V-shaped recess and preventing movement of the latch bar out of the channel member. Outwardly extending handle portions are provided on the retaining members to selectively allow movement of the latch bar out of the channel member in two opposite directions.

Abstract: A security device for padlocks used in conjunction with a locking mechanism for a roll-up type truck door. The security device includes a block which has upstanding projecting walls to shield the shackle and housing of the padlock and prevent tampering or unauthorized opening.

Abstract: A gate latch structure is provided for use with either right-handed or left-handed gates. The latch includes a symmetrical main frame and keeper. The main frame has a striker receiving opening with two opposite cam surfaces flaring outwardly into a "Vee". A retainer stub is fixed to the main frame at a mid location at the inner end of the opening. A substantially flat keeper having a longitudinal axis has two opposite symmetrical striker receiving notches positioned at one end. The other end is pivotally connected at only one point to the main frame. The keeper may be sprung over the stub. While on one side of the retainer stub the keeper is for right handed gate and when it is on the other side it is for a left-handed gate. There are no springs and the weight of the keeper bar causes it to close over the striker.

Abstract: A self protecting hasp for use with a padlock includes a standard eye attached to an eye plate. Further it includes a latch which has a flap which is hinged to an appropriate hinge plate. The flap includes a slot which allows for positioning of the flap onto the eye. The self protecting hasps of the invention include an inhibiting member which fits over at least that portion of the flap wherein the slot is located. The inhibiting member prevents access to the slot and the eye projecting thereto and any padlock locked through the eye. Further a latch eye can connect to the cover member and project towards the slot whereby it will lay adjacent to the eye. This allows the latch eye to also be engaged by a shank of a padlock which is passed through the eye. This fixedly secures the cover member over the flap to prevent prying and other forceful unauthorized access to the area of the hasp beneath the cover member.

Abstract: A door locking mechanism for use with an outwardly swinging door comprising a bar permanently mounted on the inside of the door spanning the width. At each end of the bar is mounted a locking member in the form of a plate which is rotatable between a first position blocking the door against opening and a second position releasing the door. Padlocks may be employed to lock the plates in either position.

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: An improved door fastening system is disclosed for cam-type, or overcenter, locking mechanisms for transport containers and the like. The said improvement providing means for receiving locks or seals at the cam ends of rotatable shaft means and at co-operating keeper means, whereby upon cam-engagement, a government seal or locking means may be received therethrough. The improved system thereby provides tamper-preventive means enabling the detection of vandalism, and further offers a deterrent to unauthorized opening.

Abstract: A double opening gate latch for single and double gates and capable of being unlocked and opened from either side thereof. First and second latch brackets are fixed to opposite ones of a gate and fence assembly or a double gate assembly, the latch brackets being positioned on opposite sides from one another. A latch bar is provided on one side of the gate assembly and is positioned for registry with a latch bracket. A pivotal latch member extends through the gate or fence assembly and includes a part that is pivotal into latching registry with the other latch bracket. The pivotal latch member is positionable in locking and unlocking relationship with the latch bar. The latch apparatus permits the gate to be unlatched from either side thereof and also permits the gate to be securely locked on either or both sides thereof.

Abstract: A multi-lock security device for providing access to a secured area by releasing any one of a number of locks. The device includes a locking plate rotatably disposed on a stationary axis, said axis secured to an existing structure or itself embedded in the ground. The locking plate is provided with a series of radial access channels formed through a flanged retaining rib disposed on said lock plate, thereby enabling the gate pin to be slidably held within an interior latch race. Fastening gates are pivotally attached on the locking plate and may be closed across the access channels and secured with padlocks connectable through corresponding openings in both the fastening gate and the locking plate.

Abstract: A gate latch structure with a striker bar is mounted on a fence gate hinge mounted to the fence. A gate handle is provided that has a striker bar enclosing loop reinforcing the mounting of the striker bar on the gate. The latch structure also includes a pivotal latch member pivotally mounted on a latch mounting back plate that is mountable on a fence post or the middle end of the other half of a double gate. The striker bar receiving opening in the pivotal latch member has a rear edge recessed back from the rear end of the striker bar receiving opening in the latch mounting back plate. With this structure the back plate absorbs striker bar closing impact directly rather than such impact being imposed on the pivotal latch member and on the pivot screw mounting the pivotal latch member.

Abstract: A lock assembly includes a first member rotatably mounted to a housing plate. The first member has a first aperture with flared sidewalls and a second aperture with flared sidewalls. A second member is fixed to the housing adjacent to the first member. The second member is positioned adjacent to the first aperture but not the second aperture. The first member extends through the housing plate and is fixed to a latch mechanism. When a padlock is inserted through the first aperture and is locked, the first member is prevented from rotation by the second member. However, when the padlock is inserted through the second aperture, the padlock does not strike the second member allowing the member to rotate freely. The padlock also functions as a handle when in the second aperture, eliminating the need for a separate handle.

Abstract: One-way gate latch including a bracket mounted on a pivotable gate and a latch mounted on the bracket for latching the gate upon being closed to a fence post; the latch includes a pair of latch members, one fixedly secured to the bracket to prevent the gate from pivoting and opening in the direction away from the first latch member and a second latch member mounted pivotably on the bracket and which upon being pivoted upwardly permits the gate to pivot and open in the direction toward the first latch member.

Abstract: To prevent opening movement of a door hinged to the side panel of a pickup storage box, a longitudinally extending bar is mounted on levers pivoted to mountings secured to the storage box to move between a lower position overlying and obstructing the door and an upper position out of the way of the door and extending above the storage box. A releasable locking means holds the bar in either the lower position or the upper position.

Abstract: A latch for securing two fence gates in a closed position includes a pivoted bar which is protected from freezing elements by channeled housings welded or otherwise attached to the gates. The latch can be made on site from readily available metal stock.

Abstract: A protective device for padlocks applied to interlock relatively shiftable members to which cooperating releasably interfitting retainer parts are anchored, which retainer parts are respectively shaped when interfitting to define a recess to receive the shackle of a padlock which engages and interlocks said interfitting retainer parts and is protected by said parts from unauthorized release by cutting of said shackle.

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 latch assembly for a hinged double gate structure including a pair of hinged gates swingable to and from a closed position wherein the gates are disposed in substantially coplanar relationship with a vertical edge of a first gate adjacent to a vertical edge of a second gate. The latch includes a normally generally vertical latch rod having an upper end. A mounting bracket slidably receives the rod and attaches the bracket to the edge of the first gate with the rod extending along the edge thereof. The rod is restrained from rotation on its longitudinal axis. A latch yoke includes a pair of spaced yoke arms and is pivotally connected to the rod on a pivot axis transverse to the rod for pivotal motion of the yoke between a gate latching position wherein the yoke arms extend transversely of the rod and straddle the edge of the second gate and a gate releasing position wherein the yoke arms extend generally longitudinally of the rod.

Abstract: Apparatus for securing sliding closures such as patio doors, the invention includes two cooperating structural elements carried one each by the respective sliding closures and which either allow or prevent relative movement between the closures. A first structural element carried by one of the closures is substantially disposed within the usual recess defined by the mating of a glass member with framing structure. A second structural element is pivotally mounted on an edge surface of framing structure of the other of the closures oppositely to and in alignment with the first structural element, the second structural element being pivoted into cooperating position relative to the first structural element to block relative sliding movement of the closures.

Abstract: A bumper apparatus is disclosed herein which includes a bumper mounted to a vehicle frame to be pivotable about a horizontal axis transverse of the vehicle and to have a first, up position and a second, down position. Means are provided for locking the bumper in the up position and which include a locking member pivotably attached to the bumper and pivotable about a vertical axis when the bumper is in the up position. Upon pivoting of the locking member it engages the vehicle frame and holds the bumper up. An arm member is also attached to the locking member to provide for operation of the locking means. A pair of such locking members are included, one on each side of the vehicle. A spare tire is mountable within a tire rack located immediately forward of the bumper, and other equipment may also be similarly located and held therein secure from unauthorized access while being easily accessed by the user of the vehicle.

Abstract: A heavy duty security lock is shown that is easy to install to an existing movable closure for holding the closure in a closed position relative to a fixed enclosure. An important feature is the ease of mounting this security lock between the door and the door jamb. In order to prepare the door for receiving this lock, it should have a through hole near the vertical free edge of the door similar to the through hole for receiving a standard cylinder lock on the order of about two and one-eighth inches in diameter. The present invention incorporates a base plate having a perpendicular locking tongue fitted with a shortened collar that is mounted within the through hole in the door. An adjustable locking means engages the collar and fastens the base plate to the door. The locking tongue has a transverse hole.

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 door latch includes a plate member secured to the door jamb and extending therefrom generally parallel with one side of the door in its closed position. A stud on the plate member extends through an opening in the door in the closed position thereof and has an end portion projecting beyond the other side of the door. The end portion of the stud is bifurcated by having an open-ended slot formed therein.

Abstract: A latch has a central C-shaped clamping member with a latching slot therein, to each side of the clamping member is a handle, and a flange having an aperture for rotatable journaling of the latch; the latch is symmetrical about the centerline of the clamping member and is formed of a contiguous piece of sheet metal with the clamping member being two layers of metal folded against each other; a latch mechanism utilizing this latch has two discrete structure members, a pair of apertures in each structure member, a pin rotatably fastening the latch to one aperture, a pilot on the pin with the pilot being registrable with a corresponding aperture on the other structure, the pilot and pin are interchangeable in either aperature enabling journaling of the latch from either end, the swinging end of the latch can be locked by placement of a lock pin in the otherwise unused latch journal and structure member apertures, and there is a guide ramp on either side of the clamping member for guiding the structure members to

Abstract: A swivel bar is mounted on a door jamb to swing between a position in the path of the door to block its opening and a position retracted out of the path of door-opening movement. The stop bar can be held in door-blocking position by engagement of a rib-and-groove latch. The stop bar can be moved into latch-engaged position by swinging of a keeper to move cooperating cylindrical or edgewise cams relatively which movement shifts the stop bar into latched position in opposition to the force of a latch-releasing spring. .Iadd.