Abstract: A thrust reverser actuator lock mechanism comprising a rotatable shaft, rotation of which in one direction from a rest position drives an associated thrust reverser from a stowed position towards an operative position in use, retractable abutment means having a rest position abutting an element rotatable with the shaft to prevent rotation of the shaft, resilient means urging said abutment means to said rest position, and, mechanical latch means sensitive to the speed of rotation of said shaft for latching said abutment means in a retracted position against the action of said resilient means when the rotational speed of said shaft exceeds a predetermined value.

Abstract: The present invention provides a device for opening and closing regular shell covers, especially referring to open-close device suitable for installation on the cover of a metal shell, which provides a larger tenon and a smaller tenon on the shell cover, and on the inside at the smaller tenon provides a sliding lock member, also in the shell corresponding to the position of the larger tenon provides a rotary lock member, through pressing the rotary lock member after the closing of the shell cover, and pushing the lock piece of the lock member in the smaller tenon, making the lock piece locking into the lock hole of the rotary lock member in place, reverse steps to open.

Abstract: The locking folding T-handle door has a handle, a locking cam with a cutout portion, a latch cam, and a handle shaft rotatably fixing the handle, the locking cam and the latch cam together. A lock, a pan with an aperture formed therethrough for the handle shaft and an aperture for the lock are provided. A slide bar activation cam is fitted to the lock and is adapted to be turned by the lock. A slide bar located between the locking cam and the slide bar activation cam is provided. The slide bar is slidably retained by a slide retainer fixed to an underside of the pan. The slide bar is adapted to be moved into the cutout portion of the locking cam by locking the lock, which thereby prevents the handle from being turned to move the latch cam.

Abstract: A locking device (10) is serving for, with a lock (18), locking an already closed door (4) which is mounted with hinges (6) on a frame (5) in a gable (3) of a container (1). The door is held in the closed position by a turnable locking bar (7) which, at least at one end, has a projection for, by turning the bar, engaging it with a holder on the frame. The locking device (10) furthermore comprises a lock hole (25) running through the locking bar (7), the lock hole (25) assumes, in the closed position, a direction mainly parallel to the door plane; a house (11) with a channel (12) attached to the door, the channel (12) encloses the locking bar (7), and a bolt guide (22) which is in alignment with the lock hole (25) in the closed position; and a sliding bolt (23) for sliding through the bolt guide (22) and the lock hole (25) and locking the locking device (10) with a lock (37) which engage with tumblers (27) in the lock (18). A combination lock can advantageously be used as lock.

Abstract: Rotatable door lock with an integrated security feature is used in a housing having a lockable door panel. The housing has an opening therein. The lockable door panel includes a lock cylinder having a passage extending substantially radially therethrough. The lockable door panel further includes a door panel of sufficient size to cover the opening, the door panel having a door panel opening therein for receiving the lock cylinder, and at least one door panel recess in an outside of the door panel and leading to the door panel opening such that, when the lock cylinder is turned to a locking position relative to the door panel, the passageway is accessible through the at least one door panel recess. When the door panel is moved to a closed position to cover the opening, the lock cylinder in the door panel is received in the opening and is turnable to the locking position to lock the lockable door panel to the housing.

Abstract: A computer enclosure includes a chassis and a hood attached to the chassis. The chassis has a rear panel defining an L-shaped slot having a first section and a second section, and a pair of side panels connecting to the rear panel. The hood has a pair of side walls engaging with the side panels of the chassis for fixing the hood to the chassis. A latch is pivotably attached to one side wall of the hood and extends into the slot of the rear panel of the chassis. The latch is movable from the first section to the second section of the slot by being forcibly rotating about the pivot to securely fix the hood to the chassis.

Abstract: A motorcycle accessory quick-release attachment assembly is provided which consists of two or more motorcycle accessories adapted to be releasably attached to the same set of mounting studs without the use of tools. In a preferred embodiment, each motorcycle accessory includes one or more front hooks for mounting on the front mounting studs, one or more rear hooks for mounting on the rear mounting studs, and one or more latches rotatably connected to the rear hooks for securing and releasing the rear hooks to and from the rear mounting studs. Significantly, the configuration of the latches allows the accessories to be releasably attached to the same set of mounting studs. Each of the latches may be configured to receive a padlock to lock the rear hooks to the rear mounting studs. As such, the accessories can be optionally locked to the motorcycle to guard against theft.

Abstract: A host of a personal computer is equipped with a lock mechanism used to connect or disconnect a door to or form the host. A clicking sound can be generated by the lock mechanism so as to notify the user that the door is already disconnected from the host. The host comprises a body, a door, a gate and a lock mechanism. The body is a case provided with a port and the door is pivoted on the body, and the gate also provided with another port which is movably mounted on the body. The lock mechanism is mounted on the door and used to connect or disconnect the door and gate to or from the body. The lock mechanism is composed of a first latch and a second latch. The first latch has a first portion which can be moved between a first position and a second position and used to connect the port of the body, and a button which is used to drive the first portion to connect or disconnect to or from the body.

Abstract: A locking mechanism and closure assembly are provided including a housing, a latch rotatably mounted to the housing, a spring member for urging the latch from a first position toward a second position, and a control member mounted to the housing for selectively securing the latch against rotation from the first position toward the second position. The control member may be slidably mounted relative to the housing, and may selectively rotate the latch from the first position toward the second position upon failure of the spring member. The latch may be positionable in a third position between the first and second positions, and may have a recess for receiving a striker designed for holding the striker within the recess at some times and guiding the striker into or out of the recess at other times.

Abstract: A latch that secures a closure member includes a bolt and a support member, with the support member attaching the bolt to a part, which could be a door frame. The support member is configured with head and shank portions, so that when the support member is tightened to the part, the bolt is free to rotate and slide about the shank. The bolt is held captive on the support member by a shoulder of the head, and a longitudinal slot in the bolt allows the bolt to rotate and slide about the shank. The bolt has a second slot with parallel sides that engage parallel flat surfaces of the support member head, thereby suspending the bolt in a horizontal closure locking position to allow unobstructed opening or closing of the closure member.

Abstract: The invention concerns a lock for doors or operationally similar structures, the lock mechanism being manually actuated with the aid of pneumatic means, without the need for external energy. Means for manually producing overpressure are rigidly connected to a door. Further means are provided for converting the overpressure into a mechanical movement of parts of the closure mechanism, such that there is no longer any force-locking connection between the door and a counterpart in the door frame whereby the door can be opened.

Abstract: A pivotal gate latch (1), including housing (2), in which a pivotal sleeve (8) and gate post embracing plates (9 and 10) are disposed for pivotal movement. A latching flange (11) is arranged within the housing that engages with an upper disposed detent or shoulder (21) formed in the pivotal sleeve, to secure the gate frame (P) in place and sustain it in a locked condition. Vertical displacement of the latching flange, either manually or through remote cables, permits horizontal pivoting the latch plates in either direction, after which time, if the gate is biased by associated springs or cables, the gate may be self-centering, and locked automatically by the return of the latching flange to the rest position within the shoulder.

Abstract: A latching or locking mechanism is shown having a rotor mounted for rotation about a longitudinally extending axis, and having detent mechanism cooperating with the rotor to selectively permit a locking of the rotor, or a rotation in the clockwise, or counterclockwise, direction. A recess is provided in the rotor for cooperation with a pawl. When the rotor is locked in position, the pawl is captured in the rotor recess.

Abstract: A cylinder-type lock for a motor vehicle door, having a lock housing and a plug lever, intend for control by the plug and able to move along a wall of the housing. An orifice is provided in the wall of the housing and another orifice is provided in the plug lever; the two orifices face one another when the lever is in an appropriate position for mounting. A wedge interacts with the two orifices in order to immobilize the lever with respect to the housing.

Abstract: A nursery gate is provided with a pivoted latch. When the gate is swung to a closed position where it is co-planar with the keeper and hinge axis, the latch draw engages the keeper. At that time, a detent provided by the nose and the recess engages due to a spring movement of one of the part in the direction of the hinge axis. The gate is released for opening by a movement in the opposite direction against the spring so as to separate the nose and recess and allow the latch to pivot.

Abstract: A drop bolt system provides a low profile, simplified arrangement of a central metal plate, a metal doorjamb restraint and a plate latch. This system prevents overriding the door security system from a position exterior to the protected door.

Abstract: A chassis of a desktop personal computer where the cover can easily be assembled onto or removed from the base by a user without the use of screws or tools. This allows the user to gain easy access to the electrical components inside the chassis. The design of the base and the cover incorporates a set of guide pins to be inserted into a corresponding set of guide holes in order to properly position the cover onto the base. Then, the cover is fastened to the base by rotating a buckle pivotally attached to the cover to the base so that it engages the base. Finally, a slidable detent located on the cover can be slid onto the buckle, preventing the buckle from inadvertently becoming unfastened. To disassemble the cover from the base, the process is simply reversed. First, the detent is slid of the buckle, allowing the buckle to rotate. Next, the buckle is disengaged from the base by pivoting it open.

Abstract: A lock for a thrust reversal system of a gas turbine engine includes a pivotal locking member which is moved into the locking position by the engagement of a part of the thrust reversal system as the latter is moved to the inoperative position. The locking member is held in the locking position by a pin which engages within an opening formed in the locking member. The pin is biased by a spring and is movable by a hydraulic piston against the action of the spring to withdraw the pin from the opening.

Abstract: A rotary locking mechanism connects an upper ramp and a lower ramp of a split ramp railway car. A pin carrier supports a coupling pin and is mounted to the lower ramp by a swivel pin. The pin carrier can pivot horizontally relative to the lower ramp. A dual vertical rotor lock is mounted to the upper ramp. The rotor lock includes first and second coupling disks which have rotor slots or grooves for receiving the coupling pin. The coupling disks have a horizontal axis of rotation so that the disks are vertically mounted. The action of the coupling pin entering the grooves in the first and second coupling disks will automatically rotate the coupling disks into a locked position. Locking pins then engage slots in the peripheries of the coupling disks to secure the coupling disk in the locked position.

Abstract: An improved single actuation casement and awning window securing mechanism comprising two cams and a linking arm held in tension upon closing. The cams operate in unison in a clamshell fashion, such that closing and opening of the single actuation sash lock is accomplished in an easy and secure manner.

Abstract: A door latch is disclosed herein having a base member with a forward angular and notched face and which includes a sleeve resiliently supporting a reciprocating plunger operable to releasably engage and disengage with a retaining opening provided in a latch member. A spring carried, on the latch member effects forcible separation of the latch member from the base member upon disengagement of the plunger from the latch member opening. Apertures in the base member allow mounting of the base member for either right or left hinge mounted cabinet doors.

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 door locking handle assembly of pull-out and side-swinging lever-action type, in which the entire length of a casing 1 is minimized while an effective length of a handle 18 is obtained sufficiently to improve the assembly in operability. A catch plate 36 is fixed to a locking shaft 11 mounted in a cylindrical portion 2 of the casing 1. The handle 18 received in a front concave 3 of the casing 1 is pivoted to the shaft 11 through a first pivot 37, and swingably urged by a spring 38 to project outwardly. In the front concave portion 3 of the casing 1, a push button 30 is pivoted to a button casing 24 through a second pivot 39, and urged by a position-keeping spring 40 to have its engaging-hook portion 31 engaged with an engaging projection 25 of the button casing 24. A rotor 42 of a lock unit 41 fixedly embedded in the handle 18 is interlocked with a lock plate 45 engaging with an engaging projection 26 of the button casing 24.

Abstract: A door locking handle assembly of a pull-out and side-swinging lever-action type, in which the entire length of a casing 1 is minimized while keeping a sufficient effective length of a handle 18 to improve the assembly in operability. A catch plate 36 is fixed to a locking shaft 11 mounted in a cylindrical portion 2 of the casing 1. The handle 18 received in a front concave 3 of the casing 1 is pivoted to the shaft 11 through a cross pivot 37, and swingably urged by a spring 38 to project outwardly. A button casing 24 is fixed to the concave 3. A push button 30 is slidably mounted in a recess 27 of the casing in an insertion manner while horizontally non-slidable therein and urged by a spring 40 to move upward, and has its upper projection 32 engaged with a front hook 20 of the handle 18. A rotor 42 of a lock unit 41 fixedly embedded in the handle 18 is engaged with a lock plate 45 engaging with a projection 26 of the button casing 24 to lock the handle 18 in its retracted position in the casing.

Abstract: A door locking handle assembly of pull-out and side-swinging lever-action type, including a locking shaft 11, to which a catch plate 36 is fixed, is inserted in a cylindrical portion 2 of a casing 1, a retractable handle 19 received in the casing 1 is pivoted to the shaft 11 through a pivot 35, a spring-support plate 29 is axially slidably mounted on the shaft 11 but not rotatable relative to the shaft 11, a spring 37 urges the plate 29 toward a front-end of the shaft 11, wherein a cross-shaped click concave 23 is provided in a bearing surface 22 of the handle 19, and engaged with a corresponding cross-shaped click convex 31 provided in a bearing surface 30 on a front surface of the plate 29 when the handle 19 is projected from the casing 1 and side-swing, so that the handle 19 is held in a position in which a front end 36a of the plate 36 is retracted behind a rear surface 53b of the door 53.

Abstract: A device for restricting the opening motion of a door comprises a housing (4) for securing to the door and having an opening (6) facing the floor over which the door moves when it is opened and closed. A pivotally movable cam member (5)(5') is mounted within the housing so that it can pivot between an operating position in which it extends through the opening to engage with the floor and prevent opening movement of the door and a retracted position in which it is spaced from the floor. Levers (18,21) (18',21') are provided for moving the cam member between its operating and retracted positions.

Abstract: A closure mechanism for awnings and casement windows includes a flush, pivotal handle with a release mounted in a recessed housing. By depressing the release the handle is pivoted outwardly where it can be easily grasped by the user. Upon closing the window, depressing the handle allows the window to be tightly closed and latched within the frame as the handle is locked into a flush position on the window frame by a pawl which is resiliently urged into a notch in the handle within the housing.

Abstract: A strike mechanism for a door lock comprising a recessed strike plate (9) which in use is fitted into a door jamb to receive a latch bolt (14) and a strike (10) which is pivotal between a first position in which the bolt (14) is held within the recess and the door is locked shut and a second position in which the bolt (14) is released so the door may be opened. The strike (10) is lockable in the first position by pins (19, 20, 21) which are remotely operable by a solenoid (26) to extend or retract across adjoining surfaces of the strike (10) and plate (9) and prevent relative movement therebetween.

Abstract: An apparatus is provided for preventing the opening of a chamber door of a sterilizer or an autoclave. The apparatus is used on sterilizer and autoclave door systems wherein the door is slidably attached to the chamber. However, the present invention may also be used to control other doors. The apparatus includes a cylinder and piston in fluid communication with the chamber which is actuated when the pressure within the chamber is above a threshold level. A cam, pivotally attached to the side guide bar of the sterilizer, cooperates with the piston to prevent movement of the cam with the piston in the extended position but to allow movement when the piston is retracted. A pin, mounted to the door, cooperates wiht the cam such that the pin must slide along the lobe surface of the cam in order for the door to open. When the piston is in the extended position, the cam cannot move and the pin is received in a recess in the cam surface.

Abstract: A latch includes a housing and first and second latch arms. Each latch arm defines a latching end, and the arms are pivotable between a latching position and a release position. A rotatable cam longitudinally shifts a latch arm follower, and the latch arms define bearing surfaces which engage the latch arm follower. The latch arms are configured such that movement of the latch arm follower toward the latching ends moves the bearing surfaces in a direction tending to move the latch arms to the release position.

Abstract: A releasable latch construction having a body member attachable to a panel, a latching member turnable on the body member for arcuate movement between a latching position and a releasing position, a locking mechanism movably carried by the body member and operable to lock the latching member in either its latching position or else in its releasing position, and an actuator movably carried in the body member and engageable with the locking mechanism, for effecting the locking or releasing movement of the latching member. The actuator is directly engageable by a latch key and is shiftable thereby in order to effect such movements.

Abstract: A window assembly includes a pair of horizontally slidable window units. The window units includes respective inner and outer frame sections which are superimposed when both window units are closed. A latching mechanism is mounted in the inner frame section and includes a rotatable latching arm capable of entering a recess in the outer frame section for latching the window units together in a manner drawing both window units against an intermediate divider wall. When the latching arm is in an unlatching condition, it is capable of being used as a handle to open the associated window units.

Abstract: A safety closure device to prevent access by young children to appliances such as refrigerators, freezers, dishwashers and ovens. The safety closure device comprises a mounting means to secure the device to the appliance without damaging said appliance, a blocking means that alternately allows and prevents the door of the appliance from opening, a retention means that holds said blocking means in place and a releasing means that allows the release of said retention means.

Abstract: For use with a deadbolt lock having an actuating knob, a lock plate and a tailpiece engaging the actuating knob, a lock accessory comprises an intermediate plate for location between the lock plate and a door on which the lock is provided. The intermediate plate has an opening through which the tailpiece extends and a manually actuatable locking member mounted on the intermediate plate for selectively preventing and permitting rotation of the tailpiece. The locking member is displaceable into a first position, in which the locking member is in locking engagement with the tailpiece, and a second position, in which the locking member is displaced out of locking engagement with the tailpiece, and has a portion which can be manually engaged for effecting the displacement of the locking member between the first and second positions.

Abstract: A lock is described which is adapted for use in combination with a conventional latching handle assembly mounted on the bottom panel of a roll-up door mounted on a truck or the like. The lock includes a laterally movable dead bolt which, when locked, is in the pivotal path of the latching handle assembly thereby preventing the latching handle assembly from being moved to its unlocked position. A counter is also associated with the lock which visually indicates the number of times that the lock has been actuated.

Abstract: A door lock for preventing unauthorized ingress and solely actuable from the inside of a room. The lock includes a lock bar, pivotally anchored to the outer edge of the door, and a jamb plate, anchored to the adjacent jamb and having an elongated vertical aperture for door locking engagement by the lock bar free end portion when the door is closed. A stem is slidably mounted on the lock bar to take a blocking position protruding beyond the free end portion of the lock bar for releasably extending through the jamb plate aperture. When the stem is engaged into the jamb plate aperture, the lock bar is prevented from pivoting because the stem has no clearance to do so within the aperture. Thus, a person outside the room could not release the lock bar by upward pivotal thereof, for instance by inserting a blade through the vertical air gap between the door outer edge and the jamb plate, underneath the lock bar, and then lifting same.

Abstract: A latching mechanism for mounting on a closure, such as a storm door. The mechanism includes an inside housing with a latch movably mounted on the inside housing and including a tongue movable between a latching position for engaging the striker plate defining the doorway, and an unlatching position in which the tongue permits opening of the door. An operating shaft extends through the closure and the inside housing and is pivotally mounted with respect to them. Inside and outside operators are mounted on the shaft. A cam is rotatable with the shaft and is axially slidable with respect to the shaft between an operative position in which the cam is located to move the tongue toward its unlatching position, and an inoperative position in which rotation of the cam does not cause movement of the tongue.

Abstract: A releasable latch construction having a body member attachable to a panel, a latching member turnable on the body member for arcuate movement between a latching position and a releasing position, a locking mechanism movably carried by the body member and operable to lock the latching member in either its latching position or else in its releasing position, and an actuator movably carried in the body member and engageable with the locking mechanism, for effecting the locking or releasing movement of the latching member. The actuator is directly engageable by a latch key and is shiftable thereby in order to effect such movements.

Abstract: A tamper-proof locking mechanism for a rotatable control device, such as a quarter turn valve including a valve member connected to a stem journalled in a body housing the valve member and an operating handle connected to the stem for rotating the valve member between open and closed positions. The locking mechanism includes a pair of lugs on the valve body at circumferentially spaced locations corresponding to the locations of an intermediate portion of the handle when the valve member is in the open and closed positions. A slider member is slidably mounted on the intermediate portion of the handle for reciprocative movement between a locked position and an unlocked position. The slider member includes a latch element having an open portion for receiving the lugs and arranged to restrain both rotational and axial movement of the handle when the handle is in the open or closed position and the slider member is in the locked position.

Abstract: A leveraged door lock combines the limiting function of a door chain with a leveraged bar so that the resident has a substantial mechanical advantage enabling him or her to force the door closed against one who attempts to gain forcible entry once the door is cracked open. The entire mechanism swings between a horizontally extended operative mode, down into a vertical depending mode alongside the door, which frees the door for normal use.

Abstract: A roll-up door for a container body of a van or the like is provided with a winch which is located in a compartment formed in the header of the door. The winch is connected by flexible winding straps to the upper door panel and the lower door panel so that it is operable to drive the door between the open and closed position. The door panels are hingedly connected by hinges in which the hinge pin is located at the inner face of the door. Flexible sealing members are connected to each jamb and bear against a marginal edge portion of the outer face of the door when the door is in the closed position. A control system for controlling the direction of rotation of the reversible D.C. motor is provided which includes a master control circuit and a slave control circuit which is selectively operable.

Abstract: A gate latch for use with a gate mounted for pivotal movement relative to a stationary fence includes a transversely extending latch bar secured to the gate and a latch member pivotally mounted on a mounting plate secured to the fence. In a first embodiment, a safety latch attachment includes an adapter plate configured for partial overlying attachment adjacent the latch mounting plate and having a reciprocal spring biased plunger in alignment with a transverse aperture formed through a latch frame on the mounting plate. When in a latched position, the plunger prevents the pivotal latch member from being unlatched. A pulley guided cable is connected to retract the plunger to allow the gate to be unlatched. In a second embodiment, the safety latch attachment mechanism is provided as an integral unit on a common mounting plate with the pivotal latch member.

Abstract: A paddle handle latch includes a frame which defines a recess, and a peripheral handle which is mounted for pivotal movement in the recess. A retainer is mounted to the frame to define a channel having a latching axis and this retainer is shaped to receive a striker moving along the latching axis and to retain the striker against movement transverse to the latching axis. A catch is pivotably mounted in the retainer to move between an open position and a closed position. A linkage interconnects the paddle handle and the catch such that the paddle handle operates to move the catch between the open and closed positions.

Abstract: A gate latch for use with a gate mounted for pivotal movement relative to a stationary fence includes a transversely extending latch bar secured to the gate and a latch member pivotally mounted on a mounting plate secured to the fence. In a first embodiment, a safety latch attachment includes an adapter plate configured for partial overlying attachment adjacent the latch mounting plate and having a reciprocal spring biased plunger in alignment with a transverse aperture formed through a latch frame on the mounting plate. When in a latched position, the plunger prevents the pivotal latch member from being unlatched. A pulley guided cable is connected to retract the plunger to allow the gate to be unlatched. In a second embodiment, the safety latch attachment mechanism is provided as an integral unit on a common mounting plate with the pivotal latch member.

Abstract: A safety gate which is adapted to be mounted on the sidewalls at the top or bottom of a stairway to prevent unwanted access thereto by a toddler or on the sidewalls of a door frame or other structure to prevent unwanted passage therethrough from either direction by a toddler includes a mounting rail which is adapted to be fixedly attached to one of the sidewalls, a locking post which is adapted to be fixedly attached to the other sidewall opposite to the mounting rail and a gate frame assembly which is adapted to be removably and pivotally mounted to one end to the mounting rail and secured at the other end, when desired, to the locking post. When the gate frame assembly is mounted on the mounting rail, the gate frame can be pivoted back and forth like a swinging door when restricted passage is not desired and then locked to the locking post when restricted passage is desired.

Abstract: A trailer body for providing access to the trailer body interior for cargo loading and unloading. The trailer body comprises front, back and side walls, a roof and a platform enclosing the interior. The side walls are formed by side-opening doors each of which, when opened, exposes the interior along that entire side of the body for loading purposes. The roof is releasably secured to the tops of the walls. The roof may be raised, as required, from closed position on the tops of the walls to a position a predetermined distance above the tops of the walls. The trailer body, with the side doors open along one or both sides of the platform and the roof raised, permits easy cargo loading or unloading of the trailer body using a forklift vehicle.

Abstract: A suitcase lock with a counterconditioning action is provided with a snap to open and close the suitcase through a push operation. A movable cotter is inserted into a hole on a support at the bottom surface of a push part of the snap. A cotter hole is provided to the upper edge plane of a base which corresponds in position to the cotter and is toward the upper cover of the suitcase. When the suitcase is placed in a normal state, there is a gap between the movable cotter and the upper edge planes of the base so as to not affect the push operation of the snap when used to open and close the suitcase. When the suitcase is placed upside down, the cotter is subject to the effect of gravity automatically inserts into the cotter hole on the upper edge plane of the base so that the snap cannot be pushed to open the suitcase.

Abstract: Disclosed is a mechanism for closing and locking two doors of the cowling of an aircraft engine. This mechanism includes a bolt which is received in a chamber of a receptacle. The bolt is connected to one door and the receptacle is connected to the other door so that, upon closure of the two doors, the bolt slips into the chamber. A cam attached to a rotary member housed within the chamber enables a single mechanic to close the doors and lock them snugly. This cam engages a finger on the bolt upon rotation of the rotary member which draws the bolt into the chamber by pulling against the finger. The cam moves into an over center position which securely locks the bolt in place without locking bolt travel. A locking device is additionally provided for locking the rotatable member in position when the bolt is locked in place. This locking device has a plunger which provides audible signals when the cam is in the fully opened position and when the mechanism is securely locked.

Abstract: The lock assembly of the present invention is mounted in a lock frame. A slide member is disposed for translation within the lock frame. A lock bolt is pivotally mounted within the lock frame and extends through it for engagement with a door keeper in a door frame. A lock bolt detent is pivotally mounted to the slide member for maintaining the lock bolt in a secure position when the door is closed. Actuation of movement of the slide member results in movement of the lock bolt detent away from the lock bolt followed by pivotal motion of the lock bolt as a pin on the slide member engages the lock bolt and lifts clear of the door keeper. The door is sprung open by a spring loaded plunger which extends out of the lock frame.

Abstract: A hook device for double sliding doors includes a stationary hook fixed to one door of the sliding doors and a rotary hook operable to engage and disengage the stationary hook fixed to the other sliding door. A code lock for setting a lock-hold mode and a lock-release mode provides security even in case when the glass of the doors may be broken and a hand is inserted to reach the lock device in an attempt to unlock it.