Angular adjustment mechanisms

Details Angular adjustment mechanisms Angular adjustment mechanisms

1996-05-13

1998-01-06

Wright, Dirk

Planetary gear transmission systems or components

Planetary gearing or element

Coaxial teeth around planet pinion engage axially spaced...

F16H 132

Patent

active

057048703

ABSTRACT:
An angular adjustment mechanism for adjusting the angular displacement of a seat back relative to a seat cushion has first and second internal toothed ring gears, the first and second ring gears being interconnected and adapted to be secured to the seat back, a third internally toothed ring gear being mounted intermediate of and rotatable relative to the first and second ring gears, said third ring gear being adapted to be secured to the seat cushion frame, the first, second and third ring gears being of the same diameter, the first and second ring gears having equal numbers of teeth and the third ring gear having a different number of teeth; a control gear being located axially within the first, second and third ring gears, and at least one planet gear being located in meshing engagement with the control gear and with the first, second and third ring gears, a tooth on each of the first and second ring gears being aligned with a tooth on the third ring gear at the point of meshing of the planet gear.

REFERENCES:
patent: 1431167 (1922-10-01), McCollum
patent: 3792629 (1974-02-01), Applebury
patent: 4301693 (1981-11-01), Stanely
patent: 4345792 (1982-08-01), Shepard
patent: 4882943 (1989-11-01), Pipon et al.
patent: 5090771 (1992-02-01), Kawakita
patent: 5240462 (1993-08-01), Mochizuki et al.
patent: 5462498 (1995-10-01), Lindblad
patent: 5588932 (1996-12-01), Lindblad

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