Drip-proof mechanism in apparatus

Details Drip-proof mechanism in apparatus Drip-proof mechanism in apparatus

1996-11-13

1998-10-06

Mathews, A. A.

Photography

Underwater, waterproof, or water-resistant camera

Handheld camera

359513, G03B 1708

Patent

active

058191186

ABSTRACT:
A drip-proof mechanism in an apparatus which is operated by moving an operation member relative to a member that is adjacent to the operation member. The operation member includes a main unit which is substantially cylindrical shaped and rotatable with respect to the adjacent member, and an elastic member which covers the outer surface of the main unit. On each circumference of the elastic member, extensions are formed as a unit at both ends of said the operation member, and each extensions is elastically pressed against the adjacent member when the operation member is assembled with the adjacent member to prevent drip.

REFERENCES:
patent: 4281837 (1981-08-01), Hashimoto
patent: 4372664 (1983-02-01), Shimizu
patent: 5056903 (1991-10-01), Nakamura et al.
patent: 5305145 (1994-04-01), Tanaka
patent: 5374970 (1994-12-01), Satoh et al.

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