Sled apparatus for optical head frame of optical disk drive

Details Sled apparatus for optical head frame of optical disk drive Sled apparatus for optical head frame of optical disk drive

2005-09-20

2005-09-20

Chen, Tianjie (Department: 2652)

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

Reexamination Certificate

active

06947369

ABSTRACT:
A sled apparatus for an optical head frame of an optical disk drive comprises a lead screw, an elastic element and two opposing racks located on an upper side and a lower side of the lead screw. The racks have respectively one end fixedly fastened to the optical head frame and another end engaged with each other through the elastic element for the two racks to clamp the lead gear and engage with screw threads of the lead gear such that two ends of the lead screw subject to reduced pre-load force and friction force incurred to the lead screw during rotation also decreases. As a result, rotation can be transmitted to the lead screw smoothly and reliably to move the optical head frame rapidly and smoothly.

REFERENCES:
patent: 5889638 (1999-03-01), Kabasawa et al.
patent: 6058098 (2000-05-01), Kato
patent: 6700859 (2004-03-01), Oono et al.
patent: 2000030381 (2000-01-01), None

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