Device for the regulation of the position on the back of reclining seats

Claim 1

Apparatus for adjusting the back of a reclining seat, comprising: (a) a fixed member attached to said seat; (b) a movable member mounted on the reclining back of said seat; (c) a cylindrical bushing integral with and projecting concentrically from an orifice in the central portion of said fixed member; (d) an axle mounted in said cylindrical bushing for rotatably connecting said movable member to said fixed member; (e) a pair of substantially parallel projections on the lower portion of said fixed member; (f) a restraining member slidably arranged on said fixed member between said projections and having a notch in its upper portion for receiving said cylindrical bushing; (g) the lower portion of said restraining member being formed as a ridge with a toothed outer edge; (h) a circular sector fixedly attached adjacent the lower edge of said movable member, said circular sector having a toothed interior edge facing said toothed outer edge of said restraining member for selective engagement therewith; (i) an actuating lever rotatably mounted coaxially with said movable member on the end of said cylindrical bushing for upward and downward movement into unlocked and locked positions, respectively; (j) a diagonal slot in the central portion of said restraining member; and (k) a pin integral with said actuating lever and slidably received in said diagonal slot; (l) whereby movement of said actuating lever causes longitudinal displacement of said restraining member to effect disengagement of said toothed portions.