Chairs and seats – Headrest – Adjustable rectilinearly vertically
Patent
1988-01-20
1989-01-17
Dorner, Kenneth J.
Chairs and seats
Headrest
Adjustable rectilinearly vertically
297408, A47C 110
Patent
active
047984155
ABSTRACT:
A device for adjusting the elevational position of a head rest of a seat for a vehicle having a stay formed with a plurality of grooves along an elevational direction and stood on a seat back of the seat, and a locking mechanism mounted in the shell of the head rest for engaging or disengaging the grooves of the stay by means of the lateral movements of the head rest comprising said stay having right and left vertical rods integrally coupled at the upper poritons thereof with the stay, a bracket member provided in the shell and coupled with the two vertical rods of the stay through two cylindrical supporting members inserted therethrough with the two vertical rods of the stay, a rod penetrated laterally through the shell and the bracket member to be secured to the shell but movably engaged with the bracket member in such a manner that the shell is urged to either leftward or rightward with respect to the bracket member with a gap formed at one side thereof, the grooves are formed at least one vertical rod of the stay, a locking plate formed in the vicinity of the bracket member and coupled with the rod to be engaged with any of the grooves of the vertical rod of the stay by means of urging, whereby the engaging distance of the locking plate with the groove is equal to or substantially smaller than the gap formed at one side thereof.
REFERENCES:
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patent: 4674797 (1987-06-01), Tateyama
patent: 4678232 (1987-07-01), Ishida et al.
Hattori Takemi
Tanino Masaharu
Aisen Seiki Kabushiki Kaisha
Dorner Kenneth J.
Rendos Thomas A.
Toyota Jidosha & Kabushiki Kaisha
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