Vehicle seats

Details Vehicle seats Vehicle seats

1979-12-12

1982-01-26

Lyddane, William E.

Chairs and seats

Movable bottom

Tiltable

297341, 297379, A47C 1032

Patent

active

043125379

ABSTRACT:
A vehicle seat includes a subframe arranged to be secured to the vehicle or and an upper frame mounted on the subframe by four pivotal levers to form two pairs of parallelogram linkages and so constrain movement of the upper frame relative to the lower frame along an arcuate path.
A pair of mounting plates carrying a back rest are pivotally secured to opposite sides of the upper frame. A pair of control levers couple the mounting plates to respective levers in a manner such that when the mounting plates are pivoted by tilting the back rest forward into a horizontal attitude, the upper frame is caused to move along its arcuate path and so draw the back rest forward to allow greater access to the area behind the back rest.

REFERENCES:
patent: 2343739 (1944-03-01), Bernstein
patent: 4131316 (1978-12-01), Pallant et al.

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