Device for vertically adjusting seat

Details Device for vertically adjusting seat Device for vertically adjusting seat

1980-02-05

1982-11-02

McCall, James T.

Supports

Stand

Tilting support surface

297346, 297348, B60N 102

Patent

active

043569900

ABSTRACT:
The rear of a seat cushion is adjusted vertically by a bell crank having a pair of opposed ends and an angled portion therebetween. One end of the bellcrank is pivotally coupled to a support of the seat while the other end is coupled to a rotary holding mechanism. The angled portion is pivotally coupled to a rear side of the seat cushion. The rotary holding mechanism is carried by the seat cushion and rotates and maintains the bell crank at the desired position to adjust the seat cushion rear side. The seat cushion is slightly movable horizontally relative to the support during vertical adjustment of the rear side of the seat cushion.

REFERENCES:
patent: 2272536 (1942-02-01), Votypka
patent: 2921621 (1960-01-01), Williams et al.
patent: 3089676 (1963-05-01), Pickels
patent: 4159095 (1979-06-01), Pallant et al.
patent: 4209158 (1980-06-01), Pickels
patent: 4247071 (1981-01-01), Carella et al.

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