Reclining angle adjustment device

Details Reclining angle adjustment device Reclining angle adjustment device

1989-05-02

1990-04-17

Braun, Leslie A.

Machine element or mechanism

Gearing

Parallel shafts, adjustable gear mesh

74409, 297362, B60N 102

Patent

active

049169629

ABSTRACT:
A reclining angle adjustment device for a seat includes a shaft having a concentric portion and an eccentric portion and rotatable for adjusting the reclining angle of the seat, the eccentric portion comprising an axially movable tapered ring, a gear train including an external gear and an internal gear meshing with the internal gear, the internal gear having more teeth than the external gear, a first arm having one of the external and internal gears which is rotatably fitted at its center over the concentric portion, and a second arm having the other of the external and internal gears which is rotatably fitted at its center over the tapered ring. A resilient member engages the tapered ring for normally pressing the tapered ring axially along the shaft in a direction to strengthen meshing engagement between the external and internal gears.

REFERENCES:
patent: 3129659 (1964-04-01), Lauer
patent: 4025109 (1977-05-01), Klingelhofer et al.
patent: 4227741 (1980-10-01), Gross et al.
patent: 4407544 (1983-10-01), Bahring
patent: 4453767 (1984-06-01), Walk et al.
patent: 4708392 (1987-11-01), Werner et al.
patent: 4715656 (1987-12-01), Walk et al.

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