Lens cover drive mechanism for a camera

Details Lens cover drive mechanism for a camera Lens cover drive mechanism for a camera

1995-08-07

1997-04-01

Gray, David M.

Photography

Camera detail

Lens cover

G03B 1700

Patent

active

056171676

ABSTRACT:
A lens cover mechanism which drives a lens cover to cover a from surface of a lens barrel of a camera, wherein the lens cover drive mechanism has a drive source to generate a drive force. The lens cover drive mechanism also includes a transmission member to receive the drive force from the drive source, an urging member to receive the drive force from the transmission member and to urge a buffer member in the direction of the drive force. In a situation where an external force is applied to the lens cover to prevent movement, the buffer member resiliently deforms when the drive force is received from the urging member, thereby preventing the drive force from being transferred to the lens cover. As a result, the lens cover and the lens cover drive mechanism do not get damaged. The axis of rotation of the lens cover, the urging member and the buffer member are all arranged on a single shaft.

REFERENCES:
patent: 5461441 (1995-10-01), Kotani

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