Device for adjusting the preload of a plate spring for an optical pickup apparatus

U.S. Patent Number: 5872766

Abstract: An optical pickup apparatus is guided in a predetermined direction along a pair of guide shafts, and includes a supporting mechanism for supporting the optical pickup relative to the guide shafts, a preloading mechanism for providing a preload force on the supporting mechanism against the guide shafts, and an adjusting mechanism for adjusting the preload force of the preloading mechanism.

Inventors: Chaya; Masahiko (Yokohama, JP)

Assignee: Canon Kabushiki Kaisha (Tokyo, JP)

Application Number: 08/784,959

Issued: 1999-02-16

Expired: 2007-02-16

Classes: 720/674

Field of search: 369/40,158,244,245,249,251,252,253,254 370/105,106,107

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