Sleeve for a headrest

Details Sleeve for a headrest Sleeve for a headrest

2008-05-09

2011-12-13

Nelson, Jr., Milton (Department: 3636)

Chairs and seats

Headrest

Adjustable rectilinearly vertically

Reexamination Certificate

active

08075060

ABSTRACT:
A plastic headrest sleeve receiving a headrest rod and comprising a tube fitted at its top end with a flange within which a slider is displaceably supported between a locked position, wherein it locks the headrest rod, and a release position, the wall of the said tube being fitted between its ends with at least one resilient clamping segment, a spring being mounted on the tube outside and biasing the resilient segment toward the tube inside, and a drive element displaceably resting on the tube, said drive element being operationally connected to the slider and the clamping segment in a manner that the spring's action on the clamping segment shall be reduced or eliminated when the slider is displaced into the release position.

REFERENCES:
patent: 4411470 (1983-10-01), Nishimura et al.
patent: 4589698 (1986-05-01), Suzuki
patent: 4657425 (1987-04-01), Takahashi
patent: 5529379 (1996-06-01), Stocker
patent: 7108327 (2006-09-01), Locke et al.
patent: 2005/0077772 (2005-04-01), Yamada
patent: 2578299 (1986-09-01), None
patent: 2064312 (1981-06-01), None
ISR and WO for PCT/IB2008/001158 dated Apr. 9, 2008.

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