Suspension mechanism for an objective lens of an optical head

Details Suspension mechanism for an objective lens of an optical head Suspension mechanism for an objective lens of an optical head

1990-04-25

1992-07-28

Dzierzynski, Paul M.

Optical: systems and elements

Lens

With support

359823, 369 4416, G02B 702, G11B 700

Patent

active

051345277

ABSTRACT:
This invention discloses a suspension mechanism for an objective lens of an optical head accommodated within an optical disk drive. In a first embodiment, the suspension mechanism of this invention is a combination of a rectangular leaf spring and a butterfly-shaped leaf spring, the butterfly-shaped spring being orthogonal to the rectangular leaf spring. A second embodiment is a combination of a "V" shaped leaf spring and a rectangular leaf spring. A third embodiment is a combination of two rectangular leaf springs comprising a "V" shaped structure. These three different embodiments are used to rotatably support the objective lens seat to facilitate a tracking operation of the objective lens.

REFERENCES:
patent: 4349851 (1982-09-01), Higashiyama et al.
patent: 4696566 (1987-09-01), Sekimoto et al.
patent: 4813033 (1989-03-01), Baasch et al.
patent: 4818066 (1989-04-01), Nose
patent: 4878214 (1989-10-01), Hinotani
patent: 4887888 (1989-12-01), Nose
patent: 4960321 (1990-10-01), Takahashi
patent: 4988165 (1991-01-01), Ishii et al.

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