Abstract: An override mechanism for a cinching latch assembly includes a claw rotatable between open and closed positions, the claw spring biased toward the opened position to allow opening of a latch. Also included is a cinch drive link rotatable between an override and non-override positions, the cinch drive link in operative contact with the claw in the non-override position and disengaged from the claw in the override position, wherein operative contact between the claw and the cinch drive link biases the cinch drive link toward the override position. Further included is a guide surface. Yet further included is a cinch override lever defining an opening, the bearing of the cinch drive link disposed within the opening and moveable within the opening. Also included is a cinch override pawl rotatable between an engaged condition and a disengaged condition, the engaged condition locking the cinch override lever.

Abstract: An actuator for a latch is provided, the actuator having: a motor operatively coupled to a gear train; and a sector gear pivotally mounted to the actuator and operatively coupled to the gear train, wherein rotational movement of the sector gear is translated into linear movement of a link operatively coupled to the sector gear and wherein linear movement of the link causes a linear movement of a portion of a lock lever operatively coupled to the actuator.

Abstract: A latch having: a fork bolt movably mounted to the latch for movement between an open position and a closed position; a detent lever movably mounted to the latch for movement between a latched position and a released position, wherein the detent lever prevents the fork bolt from moving from the closed position when the detent lever is in the latched position; a hold open lever configured for movement between a first position and a second position wherein the hold open lever has a feature configured to engage a feature of the detent lever such that the detent lever is retained in the disengaged position by the hold open lever when it is in the first position, wherein the hold open lever moves in a plane or directions that are angularly oriented to a plane or directions in which the fork bolt and the detent lever move.

Abstract: A latch having: a fork bolt; a detent lever; and a bell crank lever, wherein the bell crank lever moves the detent lever from a latched position to a released position as the bell crank lever moves from a first position to a second position; and an over center spring secured to the bell crank lever at one end and a portion of a housing of the latch at another end, wherein the over center spring is configured to provide a biasing force to the bell crank lever in a first direction towards first position when the bell crank lever is in the first position and the over center spring is configured to provide a biasing force to the bell crank lever in a second direction towards the second position when the bell crank lever is in the second position.

Abstract: An actuator for a latch is provided, the actuator having: a motor operatively coupled to a gear train; and a rack moveably mounted to the actuator for linear movement with respect to a housing of the actuator, wherein the gear train comprises: a worm; a worm gear and a pinion gear, wherein the pinion gear is rotatably mounted to the worm gear and the pinion gear has a plurality of teeth configured to engage a portion of the rack, wherein the axis of rotation of the worm is perpendicular to the axis of rotation of the worm gear and the pinion gear.

Abstract: An override mechanism for a cinching latch assembly includes a claw rotatable between open and closed positions, the claw spring biased toward the opened position to allow opening of a latch. Also included is a cinch drive link rotatable between an override and non-override positions, the cinch drive link in operative contact with the claw in the non-override position and disengaged from the claw in the override position, wherein operative contact between the claw and the cinch drive link biases the cinch drive link toward the override position. Further included is a guide surface. Yet further included is a cinch override lever defining an opening, the bearing of the cinch drive link disposed within the opening and moveable within the opening. Also included is a cinch override pawl rotatable between an engaged condition and a disengaged condition, the engaged condition locking the cinch override lever.

Abstract: A mechanism for a double-pull type door latch is described. A return mechanism is described that includes a final lever coupled to rotate about a pivot. A position wheel is rotationally coupled to the pivot, the position wheel having a first notch and a second notch, the position wheel being rotatable in a first direction. A cam member is coupled to the position wheel, the cam member having a cam surface. A drive lever is arranged to engage the first notch and the second notch. A biasing member is arranged to apply a force on the cam surface to move the position wheel in the first direction when the drive lever is moved into the second notch.

Abstract: A vehicle door latch assembly is disclosed herein, having: a fork bolt movably secured to the latch assembly; a detent lever movably secured to the latch assembly, the detent lever being capable of movement between an engaged position and a disengaged position, the detent lever retains the fork bolt in a latched position when the detent lever is in the engaged position and an engagement surface of the detent lever contacts an engagement surface of the fork bolt; an inertia block out assembly for preventing the detent lever from moving into the disengaged position when the inertia block out assembly is in a blocking position; and a manual override mechanism for the inertia block out assembly, wherein the manual override mechanism requires at least three independent actions to be performed to move the inertia block out assembly from the blocking position to an unblocking position.

Abstract: A mechanism for a double-pull type door latch is described. A return mechanism is described that includes a final lever coupled to rotate about a pivot. A position wheel is rotationally coupled to the pivot, the position wheel having a first notch and a second notch, the position wheel being rotatable in a first direction. A cam member is coupled to the position wheel, the cam member having a cam surface. A drive lever is arranged to engage the first notch and the second notch. A biasing member is arranged to apply a force on the cam surface to move the position wheel in the first direction when the drive lever is moved into the second notch.

Abstract: A vehicle door latch assembly is disclosed herein, having: a fork bolt movably secured to the latch assembly; a detent lever movably secured to the latch assembly, the detent lever being capable of movement between an engaged position and a disengaged position, the detent lever retains the fork bolt in a latched position when the detent lever is in the engaged position and an engagement surface of the detent lever contacts an engagement surface of the fork bolt; an inertia block out assembly for preventing the detent lever from moving into the disengaged position when the inertia block out assembly is in a blocking position; and a manual override mechanism for the inertia block out assembly, wherein the manual override mechanism requires at least three independent actions to be performed to move the inertia block out assembly from the blocking position to an unblocking position.

Abstract: A latch having: a fork bolt; a detent lever; and a bell crank lever, wherein the bell crank lever moves the detent lever from a latched position to a released position as the bell crank lever moves from a first position to a second position; and an over center spring secured to the bell crank lever at one end and a portion of a housing of the latch at another end, wherein the over center spring is configured to provide a biasing force to the bell crank lever in a first direction towards first position when the bell crank lever is in the first position and the over center spring is configured to provide a biasing force to the bell crank lever in a second direction towards the second position when the bell crank lever is in the second position.

Abstract: A latch having: a fork bolt movably mounted to the latch for movement between an open position and a closed position; a detent lever movably mounted to the latch for movement between a latched position and a released position, wherein the detent lever prevents the fork bolt from moving from the closed position when the detent lever is in the latched position; a hold open lever configured for movement between a first position and a second position wherein the hold open lever has a feature configured to engage a feature of the detent lever such that the detent lever is retained in the disengaged position by the hold open lever when it is in the first position, wherein the hold open lever moves in a plane or directions that are angularly oriented to a plane or directions in which the fork bolt and the detent lever move.

Abstract: A vehicle door latch assembly is disclosed herein, having: a fork bolt movably secured to the latch assembly; a detent lever movably secured to the latch assembly, the detent lever being capable of movement between an engaged position and a disengaged position, the detent lever retains the fork bolt in a latched position when the detent lever is in the engaged position and an engagement surface of the detent lever contacts an engagement surface of the fork bolt; an inertia block out assembly for preventing the detent lever from moving into the disengaged position when the inertia block out assembly is in a blocking position; and a manual override mechanism for the inertia block out assembly, wherein the manual override mechanism requires at least three independent actions to be performed to move the inertia block out assembly from the blocking position to an unblocking position.

Abstract: An actuator for a latch is provided, the actuator having: a motor operatively coupled to a gear train; and a sector gear pivotally mounted to the actuator and operatively coupled to the gear train, wherein rotational movement of the sector gear is translated into linear movement of a link operatively coupled to the sector gear and wherein linear movement of the link causes a linear movement of a portion of a lock lever operatively coupled to the actuator.

Abstract: A latch, having: an actuator housing configured to be coupled to a latch housing of the latch by only a single screw. A lock/unlock actuator of a vehicle latch having an actuator housing that is secured to a latch housing via a single screw and at least two pairs of integral features formed in the actuator housing and the latch housing.

Abstract: An actuator for a latch is provided, the actuator having: a motor operatively coupled to a gear train; and a rack moveably mounted to the actuator for linear movement with respect to a housing of the actuator, wherein the gear train comprises: a worm; a worm gear and a pinion gear, wherein the pinion gear is rotatably mounted to the worm gear and the pinion gear has a plurality of teeth configured to engage a portion of the rack, wherein the axis of rotation of the worm is perpendicular to the axis of rotation of the worm gear and the pinion gear.

Abstract: A method and apparatus for limiting the movement of a fork bolt when it is in a locking position. The apparatus comprising a latch mechanism for use with a striker, the latch mechanism comprising: a housing being configured to movably receive a fork bolt therein, the fork bolt traveling from an open door position to a closed door position to a locked door position, the fork bolt engaging the striker as the fork bolt moves from the open door position to the closed door position and the locked door position; a protrusion disposed on a surface of the housing, the protrusion having a length corresponding to the movement of the fork bolt from the open door position to the closed door position and the locked door position, the protrusion gradually increasing in height from the surface along the length wherein the protrusion makes contact with the fork bolt as the fork bolt travels from the open door position to the closed door position and the locked door position and movement of the fork bolt.

Abstract: A method and apparatus for limiting the movement of a fork bolt when it is in a locking position. The apparatus comprising a latch mechanism for use with a striker, the latch mechanism comprising: a housing being configured to movably receive a fork bolt therein, the fork bolt traveling from an open door position to a closed door position to a locked door position, the fork bolt engaging the striker as the fork bolt moves from the open door position to the closed door position and the locked door position; a protrusion disposed on a surface of the housing, the protrusion having a length corresponding to the movement of the fork bolt from the open door position to the closed door position and the locked door position, the protrusion gradually increasing in height from the surface along the length wherein the protrusion makes contact with the fork bolt as the fork bolt travels from the open door position to the closed door position and the locked door position and movement of the fork bolt.