Device for adjusting height of cushion in rear part of seat

Details Device for adjusting height of cushion in rear part of seat Device for adjusting height of cushion in rear part of seat

1983-02-18

1985-06-11

Schultz, William H.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

248397, F16H 2702

Patent

active

045220786

ABSTRACT:
A device for adjusting the height of a cushion in the rear part of a seat, which has a movable element engaged with the threaded part of a rod, a link rockably mounted at a stationary member, pivotally secured at one end thereof to the element and pivotablly secured at a second end thereof to the rear part of the seat, a bearing section formed at the stationary member for bearing the end portion of the rod, a first stationary ring mounted on an end portion of the rod at a position corresponding to a first end of the bearing section, a first synthetic resin ring having large friction reducing effect interposed between and in contact with a first end of the bearing section and the stationary ring, and a second synthetic resin ring and a cushion material ring in a compressed manner interposed between and in contact with a second end of the bearing section and a second stationary ring mounted on a portion of the rod at a position corresponding to the second end of the bearing section. Thus, the operability of the thread mechanism for steplessly adjusting the height of the rear art of the seat cushion can be remarkably improved.

REFERENCES:
patent: 604896 (1898-05-01), Garnett
patent: 2173660 (1939-09-01), Perkins
patent: 2178401 (1939-10-01), Meyerhoefer

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