Adjustable antibacklash gear system

Details Adjustable antibacklash gear system Adjustable antibacklash gear system

1990-05-31

1991-09-03

Herrmann, Allan D.

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

475 1, 475149, 74409, 74440, 212247, F16H 5518

Patent

active

050450344

ABSTRACT:
An antibacklash gear drive system including an internal ring gear (46) engaged with a pinion gear (76) powered by a motor drive assembly (48). The motor drive assembly together with the pinion gear is mounted on an eccentric plate (58) so that the rotational axis (72) of the pinion gear is offset from the central axis (66) of the eccentric plate (58). The eccentric plate is adapted to be rotated about its central axis (66) by an adjustment mechanism (86) whereby the distance between the rotational axis (72) of the pinion gear and the rotational axis of the ring gear is varied to increase or decrease, as desired, the engagement of the teeth of the ring and pinion gears thereby to increase or decrease the backlash between the two gears.

REFERENCES:
patent: 3888134 (1975-06-01), Miranda
patent: 3949881 (1976-04-01), Morrow, Sr. et al.
patent: 4657200 (1987-04-01), Parylak
patent: 4736644 (1988-04-01), Howell
Gutmann, Fredrick, T., 18 Ways to Control Backlash in Gearing, Oct. 26, 1959.

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