Guiding sleeve for the headrests in seats of vehicles

Details Guiding sleeve for the headrests in seats of vehicles Guiding sleeve for the headrests in seats of vehicles

1995-02-27

1996-06-25

Nelson, Jr., Milton

Chairs and seats

Headrest

Adjustable rectilinearly vertically

2974631, A47C 736

Patent

active

055293794

ABSTRACT:
A guiding sleeve for the headrests in seats of vehicles which slidably receives a rod of the headrest comprising at least one snap-in stop, the sleeve bore at the upper end including an extension for receiving a spring element which with a first portion cooperates with said headrest rod and with a second portion is supported by the wall of the extension. An unlocking element with two parallel spaced legs are arranged in the extension, which legs, being located at the side of the sleeve bore, with their ends cooperate with the first portion of the spring element and are movable from a gripping position engaging the spring element towards their longitudinal extension which causes the first spring portion to drop out of engagement with the rod. The spring spring comprises a pair of spring legs connected to a cross arm which spring legs engage the rod at the side, the cross arm being supported by the wall of the extension, and the unlocking element between the legs comprising a cam surface cooperating with the ends of the spring legs so that the spring legs are bent away from the rod when moving the grip into the extension.

REFERENCES:
patent: 3853416 (1974-12-01), Hanan
patent: 4411470 (1983-10-01), Nishimura et al.
patent: 4427233 (1984-01-01), Matumoto
patent: 4489979 (1984-12-01), Zyngier
patent: 4577904 (1986-03-01), Wiese et al.
patent: 4604777 (1986-08-01), Meeks
patent: 5156440 (1992-10-01), Vidwans

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