Machine element or mechanism – Gearing – Yieldability in gear trains
Patent
1996-08-08
1998-08-11
Marmor, Charles A.
Machine element or mechanism
Gearing
Yieldability in gear trains
74409, 74440, 464 61, 464 62, A63H 3100, F16H 5514
Patent
active
057911908
ABSTRACT:
A counter gear mechanism having a large gear coaxially engaged to a small gear. The large gear comprises a disk-like portion and a circumferentially extending portion continuously extending on a peripheral portion of the disk-like portion. The circumferentially extending portion has a circumferential outer surface on which first gear teeth are provided. The small gear comprises a disk-like plate and a body being cylindrically shaped to have a circumferential outer surface on which second gear teeth are provided. A tubular member, provided at a center of the disk-like portion, defines a hole and extends along a rotational axis around which the large gear rotates. At least one recessed portion, formed in the disk-like portion, extends in a circumferential direction relative to the rotational axis. At least one projection is fixed to the disk-like plate of the small gear on an opposite side to the side on which the body is provided. The projection inserts into the recessed portion to move along the circumferential direction relative to the rotational axis. First and second spring members are provided within the recessed portion at opposite sides of the projection.
REFERENCES:
patent: 3443449 (1969-05-01), Kotarski
patent: 4328879 (1982-05-01), Tone
patent: 4442516 (1984-04-01), Funabashi
patent: 4674351 (1987-06-01), Byrd
patent: 5033323 (1991-07-01), Janson
patent: 5173716 (1992-12-01), Tetsuka
patent: 5473592 (1995-12-01), Choi
Grabow Troy
Marmor Charles A.
Nikko Co. Ltd.
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