Headrest dump assembly with both cable and push button actuation

摘要

An assembly embedded into a headrest bun for permitting rotation of the bun between upright design and forward dump positions. The assembly includes a pair of tubes extending upwardly from a seatback frame and a fixed pivot rod extending between the tubes. A housing defines a package containing interior and including a pair of front and rear covers assembleable around the fixed pivot rod. A block shaped cam wedge is displaceably supported within the interior and biased in a first direction in seating fashion against an abutting location of the fixed rod. An actuating mechanism elevates the cam wedge to unseat from the pivot rod, the housing subsequently rotating from the design position to the forward dump position.

主权项

1. An assembly embedded into a headrest bun for permitting rotation of the bun between upright design and forward dump positions, said assembly comprising:
a pair of tubes extending upwardly from a seatback frame, a fixed pivot rod extending between said tubes; a housing defining a package containing interior and including a pair of front and rear covers assembleable around said fixed pivot rod; a block shaped cam wedge displaceably supported within said interior and biased in a first direction in seating fashion against an abutting location of said fixed rod; said cam wedge further including a lower profile edge which, in a downwardly biased position, contacts an inside flattened profile depicted along a central area of said pivot rod, said cam wedge further having a pair of underside configured and side edge proximate locations configured to seat against and slide along arcuate outer profiles of said sectors during each of rotation of the headrest to the forward dump position and manually induced and counter-biased upright retraction back to the design position; and an actuating mechanism for elevating said cam wedge to unseat from said pivot rod, said housing subsequently rotating from the design position to the forward dump position.