Disk unit and process for assembling transmission mechanism used

Details Disk unit and process for assembling transmission mechanism used Disk unit and process for assembling transmission mechanism used

1997-07-30

1999-03-23

Ometz, David L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369244, G11B 2102

Patent

active

058869778

ABSTRACT:
Coil springs 96 and 97 are incorporated in a driving-side transmission mechanism 61 so as to absorb backlashes between a rack 55 and a drive gear 59a. Since the respective backlashes between the drive gear 59a and the rack 55 are absorbed by way of the coil springs 96 and 97, phase matching at the sole driving-side transmission mechanism 61 is required as phase matching work of toothed portions of gears during assembly, thereby simplifying the assembling task and shortening the amount of assembling hours. Additionally, since a coil spring is not included in the rack 55, the rack can be designed to be small-sized in its width direction, thereby minimizing the moment of a force about the meshed engagement point, acting on an optical head carriage 53, and reducing transfer loss in the head.

REFERENCES:
patent: 4654737 (1987-03-01), Hopkins et al.
patent: 5119362 (1992-06-01), Yanagisawa
patent: 5307339 (1994-04-01), Tanaka

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