Planetary seat back adjuster

Details Planetary seat back adjuster Planetary seat back adjuster

1985-09-16

1987-02-10

Dorner, Kenneth J.

Chairs and seats

Movable back

Tiltable

74801, A47C 1025

Patent

active

046418873

ABSTRACT:
An adjustable seat back hinge mechanism actuated by planetary gearing with means to provide an input/output reduction ratio within a range in the order of 30:1 to 50:1 from manual hand knob actuation or in the order of 120:1 for electric motor drive.

REFERENCES:
patent: 2591967 (1951-04-01), Ridgely et al.
patent: 3165947 (1965-01-01), Smith
patent: 3203275 (1965-08-01), Hoover
patent: 3764162 (1973-10-01), Rawlings
patent: 4133344 (1979-01-01), Hunter et al.
patent: 4211451 (1980-07-01), Shephard

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