Abstract: A release linkage for an automotive vehicle door latch provides a link which is vertically adjustably positioned with respect to a pivotal connection to the door's outside handle and is connected with lost motion to a latch actuating rod which is carried between the door handle and a release lever for the latch.

Abstract: A door lock system for a motor vehicle including a latching and locking means is disclosed. A cam means is driven about a pivot point by the engagement of gear projections with a slot in the cam means to effect locking and unlocking of the door lock. The cam means and the gear projections are separated once the door lock is in the locked or unlocked position to allow the door lock to be manually displaced without necessitating the rotational translation of the gear or the electric motor driving the gear.

Abstract: A device for locking a detachable roof in a motor vehicle to a vehicle body. The lock device has first and second lock pins caused to appear from or disappear into the detachable roof in synchronism in directions opposite to each other by means of a control lever through first and second levers. These lock pins are inserted into lock holes formed in the vehicle body, whereby the detachable roof is fixed.

Abstract: A device for locking and unlocking any member, comprising a bolt slidably mounted within a body and having a rear part and a front part to co-operate with a notch provided in said member in which a first electromagnet operates with its core in the bolt, the rear part of which may co-operate with the core of a second electromagnet to hold the bolt against motion within the body in a locked position on the member or in an unlocked position.

Abstract: A locking system comprises a lock mechanism including a casing structure adapted to be mounted to one of a door and a door frame and having a front plate with an aperture therein; a latch bolt mounted with respect to the casing structure for movement between a first position wherein a portion thereof extends from the front plate of the casing structure for latching engagement with the other of the door and door frame, and a second, retracted position wherein the same portion thereof is held out of position for said latching engagement. A deadlock member is mounted to the casing for movement between a blocking position wherein the deadlock member will prevent movement of the latch bolt to the second, retracted position, and a non-blocking position wherein the latch bolt is free to move to the retracted position. An operating disc is rotatably mounted coaxially with the latch bolt and coupled to rotate the latch bolt through a lost motion type of connection.

Abstract: An electric door lock actuator and door lock and latch mechanism are disclosed having manual and electric driven locking means. A combination of a lost motion coupling and resilient spring means for driving the motive means to a neutral position are utilized to effectively isolate the electric motor and gearing from the locking means such that the locking means may be operated manually without back-driving the electric motor and intermediate gearing. A specific rack defining a portion of the lost motion coupling together with a pair of springs mounted to engage a shoulder extending from a rack are disclosed to achieve the above function.

Abstract: The assembly includes a door with rotatable door handle connected thereto, and a primary door locking mechanism. The door is hinged for opening and closing in a frame disposed in an entry way. The door includes a handle hub lock having a hub locking plate around the handle hub, a protrusion extending from the locking plate, a bolt member having a recess adapted to receive the protrusion, a bolt biasing mechanism, and a biasing force reversal mechanism for causing the bolt member to move in a direction opposite to the direction in which the bolt biasing member moves. The biasing mechanism preferably includes a plunger extending from the leading door edge toward the door jamb and biasable thereby, during door closing, against the bolt to move it into the locked position, and a spring connected to each of the plunger and bolt member. In one embodiment, magnets magnetically bias the slide bolt member to the desired locked or unlocked position.

Abstract: A latching assembly for a door of an overhead stowage bin for a passenger aircraft. There is a pivotally mounted latching arm which is moved by an actuating member having upper and lower contact members, with the lower contact member being spaced downwardly from the latching arm when in its latching position. The actuating member is urged downwardly by spring means to the latching position. The latch remains secured in its latching position even though impact loads may be imposed on the door.

Abstract: The assembly includes a door with rotatable door handle connected thereto, and a primary locking mechanism on a door hinged for opening and closing in a frame disposed in an entry way. The door includes a handle hub lock mechanism, including an actuator connected to a biasing force reversal mechanism for causing locking of the handle in a given position. The biasing mechanism preferably includes an actuator extendible from the leading door edge towards and alternatively into a recess in the door jamb. A lost-motion mechanism interconnects the actuator and the force reversal mechanism. The actuator normally extends outwardly from the door edge a significantly greater distance than the distance between the strike plate and the door edge.

Abstract: The assembly includes a door with rotatable door handle connected thereto, and a primary door locking mechanism. The door is hinged for opening and closing in a frame disposed in an entry way. The door includes a handle hub lock having a hub locking plate around the handle hub, an elongated slide bolt supported to movement into and out of a recess in the locking plate and a bolt biasing mechanism. That biasing mechanism preferably includes a plunger extending from the leading door edge toward the door jamb and biasable thereby, during door closing, against the bolt to move it into the locked position, and one or more springs connected to the plunger. In one embodiment, one or more electromagnets selectively magnetically bias the slide bolt to the desired locked or unlocked position. The assembly is simple and effective.

Abstract: An improved casement window securement mechanism includes two cams, one handle, cam linkage and a cam and linkage supporting spacer. The spacer supported cam is a reaching cam including a cam ramp with a straight drawing portion, and cam center and over-center portions. The reaching cam draws a catch at a rate varying with the cam angle of rotation. The securement mechanism draws and positively secures a bowed or warped casement sash.

Abstract: A door locking device having a high anti-theft performance is herein disclosed. The device comprises a catching device mounted in the door and including a hook member and a lever member, the hook member being locked when the lever member is moved in a direction and unlocked when the lever is moved in an opposite direction; a key cylinder rotatably mounted to the door, the key cylinder being rotatable about the axis thereof only when handled by a specified key; an arm securely connected to an end of the key cylinder and extending therefrom radially outwardly; a rod pivotally connected to the arm and extending therefrom toward the lever member, so that rotation of the key cylinder about the axis thereof induces an axial movement of the rod; and a play providing device interposed between the extending end of the rod and the lever member, so that a play is permitted between the rod and the lever member upon relative movement therebetween.

Abstract: A door lock arrangement for a vehicle in which there is no pillar against which the trailing edge of a forwardly hinged door may engage, includes locks provided at the top and bottom corners of the door and a centrally located mechanism for simultaneously operating said locks. This mechanism includes means for producing both of the so called "keyless locking" and "self cancellation" functions.

Abstract: A reciprocatory device in the form of a roller door catch has a reciprocatory plunger slidable in a fixed tubular housing and retained therein by an adjustment member. The plunger is urged to a normal resting position by a compression return spring. At its outer end the plunger rotatably supports a catch roller engageable with a recessed keeper mounted on the door frame. The adjustment member has a stem portion which projects into a blind bore at the inner end of the plunger, and this stem has radial stub projections which engage with a helical rib providing a screw thread within said bore, with a clearance in the axial direction approximating to the normal range of plunger reciprocation on door opening and closure. The adjustment member has a head portion with a frusto-conical clutch face which frictionally engages a mating clutch face at the inner end of the housing.

Abstract: A flush bolt mechanism adapted to be mounted at the vertical edge of the inactive door of a pair of hinged doors. Means are provided to prevent damage to the mechanism due to misalignment of the bolt and the strike plate. All translational motion of the mechanism substantially takes place along a single axis except for the motion of activation.

Abstract: The latch comprises a mechanism for actuating at least one bolt comprising a door-knob hub adapted to receive an actuating rod for said mechanism. The latch further comprises an intermediate member which is rotatively mounted in the door-knob hub and ensures the rotatable mounting of the door-knob hub in the case of the latch. The intermediate member comprises an aperture for receiving the actuating rod and is provided with a nose portion for engagement with a branch of the door-knob hub in the course of the rotation of the actuating rod in the direction for actuating the latch. An abutment is provided for stopping the rotation of the nose portion after a given angular displacement of the actuating rod in the direction opposed to the direction for actuating the latch.

Abstract: A vehicle door lock operating mechanism wherein a reversible electric motor 6 drives a pivotally mounted sector gear 10 through a centrifugal clutch 7 and reduction gears 8, 9 and 32. The sector gear is coupled to the pivotal actuating lever 2 of a lock mechanism 1 by means (ex. slot 13 and guide pin 14) which permit the free travel or play of the actuating lever over a distance equal to its stroke between the locked and unlocked positions. A manual operating knob 3 is also coupled to the lever 2, and a spring 15 biases the sector gear 10 back into a neutral or middle position whenever the motor 6 is deenergized, whereby low force manual operation may be performed independently of the sector gear and reduction gears. The centrifugal clutch, when disengaged in response to the motor deenergization, enables the spring 15 to easily drive the sector gear back into its neutral position.

Abstract: A door lock having two escutcheon plates clamped against the sides of a door, two mortise cylinders mounted in coaxial relation in the escutcheon plates and each having a rotatable key plug and an actuating arm on the inner end of the plug, a bolt slidable between extended and retracted positions, and a toggle joint bolt-operating mechanism actuated by the actuating arms on the key plugs. This mechanism includes a bolt link pivotally connected to the inner end of the bolt, and an actuating link between the ends of the key plugs having abutment means for coupling and uncoupling of the arms and the actuating link which is urged in toward the locked and unlocked positions by a toggle spring movable into oppositely over-center positions. The abutment means comprise two spaced tabs defining a slot into which the actuating arm is eccentrically extended and retracted during rotation of the key plug through full locking and unlocking revolutions.