A door latch assembly equipped with a single ratchet-double pawl latching arrangement having a ratchet, a primary pawl and a secondary pawl. The primary pawl is configured to include a first or primary lug and a second or secondary lug, with each lug having a distinct profile to respectively provide an eccentric backout characteristic and a concentric backout characteristic in relation to the ratchet.

A rotary latch assembly is provided which can be configured as right-handed and left-handed using the same rotor and catch components, without reconfiguring the front and back plates. The axles for the rotor and catch are identical so that the rotor and catch can be interchanged on the axles. The latch biasing springs are mirror images so as to be used on either the rotor or the catch. The latch includes multiple connection points for single or dual actuators, and a lifting block to align the assembly with a striker.

A door latch assembly equipped with a single ratchet-double pawl latching arrangement having a ratchet, a primary pawl and a secondary pawl. The primary pawl is configured to include a first or primary lug and a second or secondary lug, with each lug having a distinct profile to respectively provide an eccentric backout characteristic and a concentric backout characteristic in relation to the ratchet.

A rotary latch assembly is provided which can be configured as right-handed and left-handed using the same rotor and catch components, without reconfiguring the front and back plates. The axles for the rotor and catch are identical so that the rotor and catch can be interchanged on the axles. The latch biasing springs are mirror images so as to be used on either the rotor or the catch. The latch includes multiple connection points for single or dual actuators, and a lifting block to align the assembly with a striker.

A closing and latching mechanism for a closure in which further rotation of an input shaft in a latching direction results in engagement of a release cam with a release cam follower and movement of a release slider which moves a pawl into a position in which a claw is free to move from a latched position to an unlatched position and the claw then moves towards the unlatched position under the action of a biasing spring.

A lock mechanism is disclosed, the lock mechanism having a rotary latch configured for rotation between a locked position and an unlocked position, the rotary latch rotating in a first plane and the rotary latch is retained in the locked position after it has been rotated into the locked position from the unlocked position, the rotary latch being spring biased into the unlocked position by a biasing member; and a first lock mechanism for retaining the rotary latch in the locked position after rotation of the rotary latch into the locked position, the rotary latch being capable of being manipulated back into the unlocked position from the locked position after actuation of the first locking mechanism into a release position, wherein actuation of the first lock mechanism is in a second plane that is not parallel to the first plane.

A locking apparatus is provided that relates to a fastener and is used to solve a problem that time and labor are consumed and installation efficiency is low in a locking process of an existing locking apparatus. The locking apparatus is configured to lock a first module and a second module, and includes a locking body that is installed on the first module and a locking piece that is installed on the second module. The locking body includes a housing and a rotating block disposed inside the housing, where the rotating block is connected to a handle that drives the rotating block to rotate out of or into the housing, and the locking piece has a notch that accommodates the rotating block. The present invention is used to implement locking between modules.

A closing and latching mechanism for a closure in which further rotation of an input shaft in a latching direction results in engagement of a release cam with a release cam follower and movement of a release slider which moves a pawl into a position in which a claw is free to move from a latched position to an unlatched position and the claw then moves towards the unlatched position under the action of a biasing spring.

A rotary latch has a housing having first and second posts therein. A catch is mounted for rotation about the first post between latched and unlatched positions. A pawl is mounted for rotation about the second post between a catch-retaining position and a catch-releasing position. When the catch is in the latched position and the pawl is in the catch-retaining position, the pawl engages the catch and prevents it from rotating out of the latched position. When the pawl is in the catch-releasing position the catch is movable to its unlatched position. A motor and gear train mounted in the housing includes an output gear mounted for rotation about the second post. The output gear is in engagement with the pawl such that activation of the motor causes the output gear to rotate the pawl to the catch-releasing position.