Patent ID: 7963181

Claim:
A drive for adjusting parts of seating and reclining furniture comprising: a cabinet having a first side attached to a motor cover, a second side providing an end hole attached with a cover, and a third side providing a box opening extending outward; an electric motor disposed within the motor cover; a gear having two opposite cylindrical bearing seats and an axial threaded through hole, and being placed inside the cabinet next to the motor via the end hole for being driven by the motor; a lead screw having one end engaging with the axial threaded through hole, and having another end extending outward via the box opening; a slider having a drive nut therein to engage with the lead screw to enable the slider to move rectilinearly, and having two positioning grooves disposed next to two opposite sides of the nut; two guide rails correspondingly disposed to pass through the positioning grooves with one end of each of the guide rails extending into the cabinet next to the gear, and the other end of each of the guide rails extending along the lead screw, and one of the guide rails having a side groove closed with an end cover; an L-shaped first stopper being attached to the cover; an L-shaped second stopper being disposed at the other ends of the guide rails; a reclining frame being disposed on the furniture and fixing with the first and second stopper; wherein the ends of the guide rails in the cabinet are fastened to a first retainer which has a threaded hole to sleeve onto the lead screw against an inner wall of the cabinet, and the other ends of the guide rails are attached to a second retainer which is further snapped to the second stopper.