Lash-eliminating device for worm-and-gear assembly

Details Lash-eliminating device for worm-and-gear assembly Lash-eliminating device for worm-and-gear assembly

2005-08-30

2005-08-30

Watko, Julie Anne (Department: 2653)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Having power driven optical transducer assembly

Reexamination Certificate

active

06938264

ABSTRACT:
A lash-eliminating device for a worm-and-gear assembly. The worm-and-gear assembly includes a worm and a worm gear engaged therewith. The lash-eliminating device comprises a base, a frame, a motor, and a biasing member. The worm gear is disposed on the base. The frame is disposed on the base in a rotatable manner. The motor is disposed in the frame, and includes an output shaft. The output shaft is connected to the worm. The biasing member is disposed on the base in a manner such that the biasing member abuts the frame. Thus, when the worm is rotated by the motor via the output shaft so as to rotate the worm gear, the frame is rotated by the biasing member so that the worm is moved relative to the worm gear to eliminate a lash between the worm and the worm gear.

REFERENCES:
patent: 5307339 (1994-04-01), Tanaka
patent: 6016716 (2000-01-01), Mauro
patent: 6639760 (2003-10-01), Dyer et al.
patent: 06-058375 (1994-03-01), None

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