US Patent 11421461 Sliding door soft-closer device

A soft-closer device has a housing installable in door rail, a roller and latch assembly in the housing and movable relative to the housing between first and second positions. A locking mechanism is adapted to secure the roller and latch assembly against movement to hold a sub-housing in a required position. The assembly includes a soft-closer actuator in the sub-housing operable to extend and contract, with latch mounted to project through and move along an opening of the housing as the actuator extends and contracts, and a journal on the sub-housing at which the roller is rotatable.