Non-backlash toothed wheel mechanism and rotational phase adjust

Details Non-backlash toothed wheel mechanism and rotational phase adjust Non-backlash toothed wheel mechanism and rotational phase adjust

1993-05-28

1995-06-27

Ryznic, John E.

Machine element or mechanism

Gearing

Backlash take-up

474900, 464160, 74568R, F16H 5518, F16H 112, F16H 310

Patent

active

054269920

ABSTRACT:
A non-backlash toothed wheel mechanism comprises, an internal gear, and an external gear mating with the internal gear wherein at least one of the internal gear and the external gear has a circumferentially arranged gear teeth array and at least two gear parts each of which has gear teeth forming a part of the circumferentially arranged gear teeth array, a positional relation between the gear parts is changeable, and the mechanism further comprises elastic means for urging one of the two gear parts relatively to another one of the two gear parts to change the positional relation between the gear parts so that each of the gear parts mates with another one of the internal gear and the external gear to reduce a backlash between the one of the internal gear and the external gear and the another one thereof.

REFERENCES:
patent: 4303149 (1981-12-01), Lech, Jr.
patent: 4473317 (1984-09-01), Bolang
patent: 4811698 (1989-03-01), Akasaka et al.
patent: 4976229 (1990-12-01), Charles
patent: 4993370 (1991-02-01), Hashiyama et al.
patent: 5033327 (1991-07-01), Lichti et al.
patent: 5119691 (1992-06-01), Lichti et al.
patent: 5163872 (1992-11-01), Niemiec et al.
patent: 5209194 (1993-05-01), Adachi et al.
patent: 5343834 (1994-09-01), Rembold et al.

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