Abstract: A protective mechanism for use when gripping a medical device to a rack is provided. A related system and method are also provided. The protective mechanism includes a guide member, a connector, an actuation member configured to have a first end portion and a second end portion. The first end portion of the actuation member is pivotally coupled to the guide member. The cover member is pivotally coupled to the guide member and is configured to interact with the actuation member so as to pivot to uncover the connector when the actuation member pivots in a first direction and to pivot to cover the connector when the actuation member pivots in a second direction.

Abstract: The present invention is a security display case comprising an enclosure defining a safe portion, a display housing with a lift platform, a top wall, and a closure member, the display housing moveable into and out of the safe portion, a lift mechanism disposed in the safe portion drivingly connected to the lift platform, the lift mechanism controlled by a first drive motor, a locking mechanism mounted within the enclosure comprising at least one disc adapted to rotatably extend into and retract into a gap provided between the top wall and closure member of the display housing, the locking mechanism controlled by a second drive motor, and a control system controlling the first and second drive motors, the control system further comprising a lower limit switch, an upper limit switch, a locking trip switch, and an unlocking trip switch.

Abstract: A multi-point sliding door latch intended to fit within standard sized opening in the stile of a sliding door. Preferably the latch has at least two hooks oriented in opposite directions that slide in a generally linear manner between an unlatched and latched position in response to rotation of a pair of actuators located within the latch housing. Preferably, the latch includes reinforcement blocks defining cavities with a portion of the hooks extending into the cavities when the hooks are in the latched position.

Abstract: A method and apparatus for assisting movement of a bin into a closed position. An assistance system associated with the bin may be activated in response to a manipulation of a switch associated with the bin. The assistance system may comprise a biasing system and a switch. The biasing system may be configured to generate a force in a direction towards a closed position for the bin. A switch may be connected to the biasing system and configured to activate the biasing system when a selected amount of weight is present in the bin. The force in the direction towards the closed position for the bin may be generated in response to activating the assistance system.

Abstract: Disclosed is a method and system for providing several stages of closure of a luggage case (2), including an open stage, a pre-close stage in which one or more latching mechanisms are engaged, and a secure stage in which a drawing action pulls both shells of the luggage case (2) further together. Also disclosed is a method and system for automatically ensuring proper latching of the multiple latching mechanisms around the perimeter of a luggage case (2). The latching mechanisms may be aligned by use of a single operative mechanism (16). The present invention comprises a low-friction, durable system. The present invention ensures security of a user's belongings by providing the extra measurement of closure. The user enjoys a single operative mechanism (16), and needs to exert only a minimal amount of pressure to latch the case (2), thanks to a clever design of the single operative mechanism (16). The user needs not worry about their suitcase (2) popping open due to a failed latching mechanism.

Abstract: A multi-point latch assembly having a single adjustment point for shifting the position of two or more latching members. The latch mechanism includes a housing and a carrier assembly received in the housing. The carrier assembly includes a pair of latch hooks. A carrier position adjustment assembly operably couples the housing and the carrier assembly such that the carrier assembly is selectively shiftable in the housing with the carrier position adjustment assembly to alter the distance the latch hooks protrude from the housing when the latch hooks are positioned in the second position. An anti-slam mechanism may also be coupled with the carrier, and may be selectively shiftable with the same adjustment mechanism.

Abstract: The present invention is an improved multi-point door latch. The door latch is for mounting in a stile of a door and for latching to a corresponding keeper mounted in a corresponding door jamb. The multi-point door latch includes a housing containing first and second gears, each gear being rotatably mounted to the housing, the gears intermeshing to rotate in opposite directions between first and second positions. One of the gears is mountable to a door lock lever to rotate in response to movement of the door lock lever. The door latch also includes a first and second hook pivotally mounted to the housing, each hook being movable between a latching position for engaging the keeper and a non-latching position. The door latch also includes an actuator coupling the first and second hooks to the first and second gears, respectively.

Abstract: The invention relates to a locking device at a spagnolet mechanism (1), anchored in a door or window case (39), which mechanism comprises a central adjusting mechanism (2), from which locking rods (7) originate in mutually opposite directions, the free ends of the locking rods (7) being anchored in recesses (41) in a frame (40), a locking bolt (42) being responsible for the locking, which is pivotable around a stationary revolving spindle pin (44) by the locking rods, which locking bolt (42) via a connection link (43) with joints adjacent its ends in a locking house (16) is connected to the associated locking rod. According to the invention the locking bolt (42) is partially inserted into the locking house (16) and is anchored there by way of the revolving spindle pin (44).

Abstract: An animal-resistant system for inhibiting access to refuse containers by animals is disclosed. The system comprises at least one latch mechanism, at least one actuation member, at least one shroud member, and a cover defining an opening which permits access to the actuation member. The actuation member communicates with the latch mechanism so as to move the latch mechanism between the latched and unlatched positions. In the latched position, the latch mechanism secures the container lid to the container base, substantially inhibiting access to the container. The access hole and actuation member are dimensioned and positioned on the container in a selected manner so as allow human hands access to the actuation member and unlatch the container while simultaneously inhibiting such access by animals. The shrouds are further configured to inhibit forcible entry into the container when the system is latched.

Abstract: A latch assembly for a door includes a housing composed of a base and a cover. A drive knob, two links, two hooks, two adjusting members, and two torsion springs are connected between the base and the cover. The drive knob includes a drive surface that is engaged with a straight inside portion of a through hole of the links. One of the two links is pivotably connected to an adjusting portion of the other link and retaining slot of one of the two hooks. The other link has a positioning portion that is pivotably connected to the retaining slot of the other hook. When the drive knob is rotated in a particular direction (typically counterclockwise), the two links are pivoted in opposite directions and the two hooks are pivoted in two opposite directions and extend through apertures in the first outer surface of the base to hook a keeper structure and secure the door.

Abstract: A dual-hook locking assembly mounted in a casing subassembly is actuated from outside of the latter by a handle which causes a locking subassembly to operate between an unlocked and a locked position. By rotating the driving handle, a gearing subassembly including a pair of meshed segmental gears drives the locking subassembly between the aforementioned positions. The gearing subassembly and the locking subassembly are directly interconnected. An adjusting subassembly is used for positioning the locking subassembly with respect to a strike plate of a door. The adjusting subassembly comprises several guiding plates. The latter and the gearing subassembly have a common center of rotation.

Abstract: The present invention is an improved multi-point door latch. The door latch is for mounting in a stile of a door and for latching to a corresponding keeper mounted in a corresponding door jamb. The multi-point door latch includes a housing containing first and second gears, each gear being rotatably mounted to the housing, the gears intermeshing to rotate in opposite directions between first and second positions. One of the gears is mountable to a door lock lever to rotate in response to movement of the door lock lever. The door latch also includes a first and second hook pivotally mounted to the housing, each hook being movable between a latching position for engaging the keeper and a non-latching position. The door latch also includes an actuator coupling the first and second hooks to the first and second gears, respectively.

Abstract: A multi-point latch assembly having a single adjustment point for shifting the position of two or more latching members. The latch mechanism includes a housing and a carrier assembly received in the housing. The carrier assembly includes a pair of latch hooks. A carrier position adjustment assembly operably couples the housing and the carrier assembly such that the carrier assembly is selectively shiftable in the housing with the carrier position adjustment assembly to alter the distance the latch hooks protrude from the housing when the latch hooks are positioned in the second position. An anti-slam mechanism may also be coupled with the carrier, and may be selectively shiftable with the same adjustment mechanism.

Abstract: A mortise lock mechanism that includes a lock housing adapted for secure positioning within a mortise, first and second locking members positioned within the housing, each having a first end and a hooked second end, an actuator mounted for rotational movement within the housing and adapted for user directed rotational movement, and a motion translating linkage having a first end pivotally interconnected to the first end of the first locking member, a second end pivotally interconnected to the first end of the second locking member. The motion translating linkage is interconnected to the actuating member and adapted for corresponding movement when the actuator is moved. A first bias member interconnects the translating linkage to the housing, whereby the bias member retains the actuator and the translating linkage in a first position absent user force directed to the actuator.

Abstract: A latch assembly for a movable closure element. The latch assembly has a housing, a first rotor movable relative to the housing selectively between a) a first latched position and b) a release position, and a second rotor movable relative to the housing selectively between a) a first latched position and b) a release position. The first rotor has a first throat to receive a strike element. The latch assembly further has an operating assembly with a latched state and an unlatched state. The operating assembly in the latched state releasably maintains the first rotor in its first latched position and the second rotor in its first latched position. The first rotor is movable substantially parallel to a reference plane as the first rotor moves between its first latched and release positions. The first rotor has a non-uniform thickness taken orthogonally to the reference plane.

Abstract: A sliding door has a latch assembly and a vertically disposed pull handle that would normally interfere with convenient operation of the latch lever. A rotatable latch lever is located beyond the handle and a rotatable latch is located opposite the handle. A 4-bar coupling extends between the lever and the latch so that the latch is conveniently rotatable from beyond the pull handle for engaging a cooperating keeper.

Abstract: A slide latch assembly having a keyless toggle lock capability and capable of being unlocked by either a low level security key or a master key. When a user lifts up on the front grip piece or the rear grip piece of the latch assembly, a dual pawl rotary latch is opened so that the latch assemble can then be latched to a keeper. The lock cylinder can be provided with either a master annular ring on the front of the lock plug which can only be opened by a master key or a low level security annular ring which permits the lock cylinder to be opened by either the master key or the low level security key.

Abstract: A rotary motion mechanism including a rotatable element geometrically lockable at two points (e.g., limits) of travel, and a linear motion element linked to the rotatable element, the linear motion element being adapted to move in response to a linear motion imparted thereto and to cause rotation of the rotatable element.

Abstract: An engagement element is provided on the inside of the door leaf or of the door at a defined distance from the inside of the door. A spring-loaded locking hasp lies horizontally opposite the engagement element on the inside of the door frame. The locking hasp has a semicircular or claw-shaped recess and a laterally projecting locking section. A locking element is movably guided inside the door frame and connected to a vertically movable rod. During the closing movement of the door, the engagement element engages with the recess of the locking hasp, which swings with its locking section in the direction of the center of the door opening and assumes a position parallel to the door and is locked in this position by a movement of the locking element which is triggered in the vertical direction.

Abstract: A latching system includes a control unit that houses a remote signal responsive relay and a crank arm that is pivoted by the armature of the relay when the relay is energized to oppositely move a pair of elongate links each of which is connected to a separate latch assembly for moving operating arms of the latch assemblies to unlatched positions for causing the latch assemblies to release their latched engagement with strikers that hold a closure closed.

Abstract: A lock assembly includes a casing, two pivotable members pivotally mounted in the casing and meshed with each other, two linking rods, and two hook device each including a hook member and a rocker arm that is pivotally mounted in the casing. Each hook member has a first end pivotally connected to an associated rocker arm and a hooked second end that is passable through an associated one of two openings of the casing. When either pivotable member is pivoted, each rocker arm and each hook member are actuated such that the hooked second end of each hook member is moved between a retracted position in the casing and a locking position out of the casing. Damage to the hooked second ends of the hook members during closing of a door is prevented.

Abstract: A lock inhibitor mechanism for a fenestration member lock assembly. In one embodiment, the mechanism includes a cam member moveable between first and second positions. In the first position, the cam member engages a lock operator to prevent the lock operator from moving out of the unlocked position. In the second position, the cam member is disengaged from the lock operator so that the lock operator is moveable out of the unlocked position.

Abstract: The latch assembly includes a housing, a crank member disposed within the housing for limited rotational movement therein, a pawl, a crank pin, and an attachment pin. The latch assembly may further comprise an actuating member or system, such as a rod. The pawl is selectively movable between latched and unlatched positions in response to rotational movement of the crank member. The crank member is in operable engagement with the actuating member or system, whereby upon rotation of the actuating member, the crank member or pawl is pivoted and slid between latched and unlatched positions.

Abstract: A sliding door has a latch assembly and a vertically disposed pull handle that would normally interfere with convenient operation of the latch lever. A rotatable latch lever is located beyond the handle and a rotatable latch is located opposite the handle. A 4-bar coupling extends between the lever and the latch so that the latch is conveniently rotatable from beyond the pull handle for engaging a cooperating keeper.

Abstract: A multi-point latch assembly having a locking unit operably positioned in a closure member such as a door or window. The latch unit has a pair of latches with slots formed therein permitting the latches to simultaneously slide and pivotally engage a stationary pin. A keeper unit is operably positioned in a stationary member such as a door jam in a wall or a window sash. The keeper unit has a pair of pivotally movable hooks for selectively engaging the pair of latches in the latch unit. The latch unit has an actuator unit located internal to the latch unit for causing the hooks and latches to engage one another. The closure member is prevented from moving relative to the stationary member without first disengaging the hooks and latches from one another. The multi-point latch assembly has a stop rod located in the keeper unit. A release button located on the latch unit engages the stop rod when the closure member is closed.

Abstract: A door handle system for a door employing a plurality of door handles that operate in unison. Each door handle comprised of a lever with a perpendicular shaft, and the shaft extending through sequentially and securing together the following additional elements of the door handle to insure that the latch mechanism rotates together with the lever: a sealing washer, snap bushing, handle opening through the door, second bushing, collar and latch mechanism. An arm provided on each latch mechanism that attaches to a common bus bar. An outwardly extending tongue provided on each latch mechanism for engaging either a door facing or a tongue receiving bracket attached to the door facing to latch the door in a closed position. A lock bracket on the door with a lock opening to align with a lock opening provided the lever for padlocking the lever closed.

Abstract: A lock assembly includes a casing, a pivotable member pivotally mounted in the casing, two linking rods each having a first end pivotally connected to the pivotable member and a second end, and two hook devices each including a first hook member and a second hook member. Each second hook member is pivotally mounted in the casing. The second end of each linking rod is pivotally connected to an associated second hook member. Each first hook member includes a first end pivotally connected to the second hook member. Each hook member further includes a hooked second end that is passable through an associated opening of the casing. When the pivotable member is pivoted, each first hook member is pivoted such that the hooked second end of each first hook member is moved between a retracted position in the casing and an extended position out of the casing.

Abstract: A locking device is provided for locking two structural parts that are moveable relative to each other. A latch hook is disposed in a reference plane and is adapted to swivel on a joint with an axis center. An actuating element is provided for swivelling the latch hook about a latch hook axis. A rocking lever interacts with the actuating element for rotation about a rocking lever axis. The lever is connected with a first end of a steering arm via a first rotary joint. A second end of the steering arm is connected with the latch hook via a second rotary joint.

Abstract: A multi-point lock and method for locking with two remote mortise locks operated by a central actuator to which they are mechanically linked. The mortise locks are mounted with opposite orientation so that they simultaneously engage separate keepers from opposite directions. A housing of the multi-point lock is adapted to allow the placement of mounting screws along the entire length of the lock.

Abstract: The device comprises a housing encasing a pair of upper and lower hooks, for counter-rotational movements; a pair of upper and lower adjusting assemblies, vertically spaced in parallel with the pair of upper and lower hooks for positioning the latter within the housing; an actuating assembly including a double-armed pivot having a cylindrical body and a pair of radially extending arms, disposed between the pair of upper and lower hooks; and a pair of upper and lower connecting links, mounted between the double-armed pivot and the pair of upper and lower hooks. Upper and lower connecting links are different, to accommodate the cylindrical body, in all the positions of the hooks. The upper connecting link can partially wrap around, the cylindrical body. The lower connecting link can partially wrap around, the cylindrical body.

Abstract: The motor vehicle comprises a swinging door (PB) and a sliding door (PC) which are mounted in the frame (BA) of the vehicle without a central post between the swinging door and the sliding door. In this vehicle, a first lock (PS) is intended to connect the swinging door (PB) to the sliding door (PC), at least one second lock (DS) is intended to connect the swinging door to the frame of the vehicle, and at least one third lock (TS) is intended to connect the sliding door (PC) to the frame (BA) of the vehicle. The first lock has two latch bolts forming a gripper which closes around a striker thus allowing one of the two doors to be closed and/or opened independently of the other door.

Abstract: A closing device for a folding top of a convertible including a one-handed swiveling handle supported in a longitudinal median plane of the vehicle at the roof peak part. The swiveling handle has a rod which extends symmetrically to the longitudinal median plane of the vehicle and transfers a swiveling motion. The connecting rod is constructed as a torsion bar which can be shifted jointly with the swiveling handle about a drag bearing of the swiveling handle at the roof peak part. End parts of the torsion bar are mounted immovably at the roof peak part in the region of locking mechanisms engaging the windshield frame.

Abstract: A lock assembly includes a casing, a pivotable member pivotally mounted in the casing, two linking rods each having a first end pivotally connected to the pivotable member and a second end, and two hook devices each including a first hook member and a second hook member. Each second hook member is pivotally mounted in the casing. The second end of each linking rod is pivotally connected to an associated second hook member. Each first hook member includes a first end pivotally connected to the second hook member. Each hook member further includes a hooked second end that is passable through an associated opening of the casing. When the pivotable member is pivoted, each first hook member is pivoted such that the hooked second end of each first hook member is moved between a retracted position in the casing and an extended position out of the casing.

Abstract: An arc-resistant switchgear cabinet includes a frame disposed on a floor and a door movably mounted on the frame. The frame includes a floor plate that is disposed against the floor and that includes a plurality of pins extending vertically upward from the floor plate. The door includes a plurality of corresponding receptacles into which the pins are received when the door is in a secured position. The pins in the receptacles resist the lower end of the door from moving in a horizontal direction away from the frame in the event of an arcing fault. A pair of bolts additionally fasten the lower comers of the door to the frame. The switchgear cabinet further includes interlocking tabs formed on the frame and on the door that overlap one another when the door is in the secured position.

Abstract: A versatile slam capable latch mechanism that can be operated by one or more adjacent and/or remotely located operating devices to release a striker from latched engagement; that can be directly attached to an operating device such as a flush-mountable paddle handle assembly to provide a “stand alone” latch; that can be connected by one or more rod-like links to one or more remotely located operating devices such as push button assemblies; that can be connected by rod-like links to other similar latch mechanisms each arranged to be slammed into engagement with a different striker to provide a “plural point” latching system; and wherein one of the various types of operating devices that may be connected to a latch system that includes one or more of the latch mechanisms can be provided with a key operated lock to “lock” the system.

Abstract: A closure device for a container, which possesses a locking element for mutually locking of two container parts when the container is closed. The locking element has first and second locking instrumentalities, which are arranged on the different container parts. By way of an actuating member, which is able to be switched over between a closed position and an open position a first engagement member may be shifted between a locking position and a released position. The open position of the actuating member corresponding to the locking position may be secured by an obstructing member in order to prevent unauthorized unlocking of the container. An opening mechanism renders possible an overriding of the obstructing action and a switching over of the actuating member into the open position.

Abstract: A Dual T-Lock Apparatus for T-handle latch assemblies mountable on toolboxes is a transverse lock rod connecting two T-handle latch assemblies and apparatus mounted on each T-handle latch assembly such that one latch assembly can be released, automatically releasing, through the transverse lock rod, the other latch assembly. A Dual T-Lock comprises two T-handle latch assemblies provided with the Dual T-Lock Apparatus. A toolbox is provided that fitted with a Dual T-Lock and suitable for use in a truck. A toolbox is provided that is fitted with T-handle latch assemblies fitted with a Dual T-Lock Apparatus.

Abstract: A latch (36) for a vehicle body closure member (24) includes a release lever (58) supported by a pin and slot mounting connection (60) on a housing (44) for translational movement between freewheeling and operating positions. The release lever (58) through a pin and slot control connection (62) with a latching pawl (54) and its positioning in either the freewheeling or operating position prevents or permits unlatching of the closure member.

Abstract: Disclosed is a window and lock assembly for releasably locking a sash component of a window in a closed position with respect to a frame component; wherein the lock assembly includes two catches mounted on said frame component at spaced apart positions. The catches are rotatably movable between locked and unlocked positions, wherein a slide bar connects the two catches. Rotation of the first catch causes rotation of the second catch, wherein in the unlocked position the first catch is rotationally closer to the first keeper than the second catch is to the second keeper.

Abstract: A double jaw latch mechanism for releasably securing a moveable structure to a keeper. The moveable structure may be an aircraft cowling and the keeper may be mounted to an aircraft structure. The double jaw latch includes a handle rotatably mounted to a housing. The handle has an open position, a closed position, and a pre-catch position. The handle is connected to a double jaw assembly which likewise has an open position, a closed position, and a pre-catch position. The double jaw assembly includes a first jaw and a second jaw mounted in pivoted relation for movement to and from each other to engage the keeper. When the double jaw latch is in the open position, the jaws are spaced apart to permit disengagement with the keeper. In the closed position, the jaws are trapped within the housing and rigidly retain the keeper.

Abstract: A multipoint lock for securing a door to a door frame includes a tie bar longitudinally movable on the door with two latch members adjustably secured laterally relative thereto. The latch members are modular with hooks for selectively securing to the tie bar and other latch members. A metal face plate is securable over a door side groove with the tie bar movably secured to the plate in the groove at at least two locations by securing members extending through openings in the plate, tie bar and a plastic spacer. The securing members each include a longitudinal body member with parallel longitudinal sides cooperating with a tie bar slot to guide the tie bar. Rivets at ends of the securing members are secured to the plate. A link, pivotable about a substantially horizontal axis, has one arm driveably engaging the tie bar to selectively move the tie bar vertically toward a disengaged position.

Abstract: A multi-point sliding door latch adapted to be fitted in a single opening in the lock face of the stile of the sliding door and arranged for coaction with a keeper structure on an associated jamb and for coaction with a handle assembly mounted on the stile of the sliding door and including a tail member operated by a thumb turn or a key lock.

Abstract: A window lock actuator including a link assembly rotatably mounted on the window jamb, the link assembly operably securable to control movement of a cam into and out of engagement with a keeper for locking a sash to a window jamb. A handle is detachably secured to the link assembly for rotation therewith, and has two legs cradling the link assembly when the handle is secured thereto. Two tabs on the link assembly and two recesses on opposite inner surfaces of the legs engage when the handle is secured to the link assembly. An escutcheon has a spring secured on one side, which spring is biased outwardly against one side of a jamb cavity to frictionally secure the escutcheon in the cavity.

Abstract: An automotive hood latch includes a striker carried by the hood latch and two separate latching members carried by the vehicle for alternate engagement with the striker, one of the latching members serving as a safety. The separate latching members are sequentially operated in the unlatching direction by double reciprocation of a remote cable operator. The motorist can release the hood from both latching members without leaving the vehicle.

Abstract: A door lock has a latch which is rotatable from a retracted position to an extended position by means of a linkage. A safety button extends from the latch when the latch is retracted. The linkage cannot be moved unless the safety button has been pressed, which occurs when the door is adjacent the door frame. This prevents the latch from extending and so damaging the keeper in the door frame. The linkage also has a notch which cooperates with a tang projecting from the housing. The tang an notch prevent the latch from being rotated from the extended position to the retracted position except by operation of the linkage. This feature makes it difficult to force the lock open without a key. In addition, one or more remote locks may be added to the main lock. With two remote locks it is possible to provide three anchor points for a door.

Abstract: A vertical rear door for a single-face station which has a pressurized volume and which station is used to produce corrugated cardboard. The door consists of a panel with an outer dimension slightly smaller than the inner dimensions of the door frame in which it is received. The whole periphery of the panel of the door is provided with peripheral seals resting on the inner periphery of the framework. An interlocking arrangement includes at least a hook mounted to extend in a vertical plane from the inner surface of the panel of the door and liftable so that it can move in a vertical plane by means of a lifting arrangement. The hook engages an interlocking axle which is mounted permanently on the door frame and the front part of the inner notch of the hook has a forward curvature to surround a substantial portion of the axle when the hook is engaged thereon.

Abstract: A sliding door rotary latch system includes a handle assembly mounted on the sliding door adjacent its leading edge, a rotary latch assembly and locking mechanism mounted on the front post of the door frame cooperating with a strike bar on the handle assembly selectively to latch the sliding door in its fully closed position and a rear latch plate mounted on the back post of the door frame cooperating with the handle assembly selectively to latch the sliding door in its fully open position. The door mounted handle assembly includes an outer pivotal handle, an inner pivotal handle, and an inner actuation mechanism operative to allow either handle independently of the other to actuate either a pivotal front cam actuator arm or a rear pivotal latch independent of the other. Either handle may be held in its pivoted position toward the direction of sliding movement of the door during that sliding movement without adversely effecting the latching action when the door is either fully closed or opened.

Abstract: An ice rink dasher board system having an adjustable shock absorbing mechanism for providing a desire degree of resiliency of the dasher board panels is disclosed. The dasher board system may also have a rink seal gasket located between the dasher board frame and the dasher board panels, the gasket extending beneath the system to permit installation of the system even or uneven surfaces. The dasher board system may also include a door having a push-button latch that can be actuated from either side of the door.

Abstract: An apparatus for securing a rotatable trailer door is disclosed. The apparatus includes a fluid actuated cylinder having a free end and a fixed end with the fixed end being rotatably connected to the trailer; a control member, rotatably connected to the trailer, locks the door in its closed position; a control link, having a first end rotatably connected to the control member and a second end rotatably connected to the fluid actuated cylinder free end; and, an adjustable link, having a fixed end rotatably connected to the trailer and a free end rotatably connected to both the free end of the fluid actuated cylinder and the second end of the control link.

Abstract: A single lever is pivotable about two axes and pivoting can be carried out in a prescribed sequence such that first the latches are unloaded and thereafter released, in the reverse, the latches are first latched and thereafter proper latching is monitoring and the latches are locked. The structure includes two shafts that are operated by the lever and they carry respectively latch hooks and cams for latching and scanning these hooks.