Lens protector device

Details Lens protector device Lens protector device

1992-09-14

1994-06-28

Sugarman, Scott J.

Optical: systems and elements

Compound lens system

Microscope

359507, 359511, 359827, 359818, 359813, G02B 2126

Patent

active

053252322

ABSTRACT:
A protection device for a lens used in a scanning apparatus for imaging data on photographic film, comprises a plate and having a finger gripping portion, a member slidably retained in the plate, a glass piece removably carried by the member, and a biasing member operatively associated with the member for selectively permitting secure holding of the glass piece on the member and easy removal of the glass piece from the member. The plate is provided with a biasing device for securely retaining the member in a desired location such that the glass piece is in a predetermined lens protecting position. A switch is associated with the plate such that the switch is moved to an open position upon movement of the member away from the plate. The biasing member is a pivotally mounted spring configured to hold the glass piece in a desired location on the member and has V-shaped portions to engage portions of the member for positive locking of the spring in the member.

REFERENCES:
patent: 3738730 (1973-06-01), Binnings et al.
patent: 4501495 (1985-02-01), Faulkner et al.
patent: 4564270 (1986-01-01), Willie
Patent Abstracts of Japan, vol. 10. No. 19 (p-423) (2076) Jan. 24, 1986.

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