Linear drive for piece of furniture e.g. chairs and beds, has frame supported in rotating manner in adjustable section, and bar is mounted and moved on axis of rotation with housing and recess opening

摘要

The linear drive has a frame (1) supported in a rotating manner in adjustable section, and bar is mounted and moved on axis of rotation with housing and recess opening which is in contact with the spindle nut, standing at end of the arm (5, 7) of pivoting axis is provided with teeth and the spindle nut has a shaped element or is provided with engaging (20',20'') for the procedure with the teeth on the arm of pivoting axis.