Vacuum multiplier

Details Vacuum multiplier Vacuum multiplier

1975-05-05

1976-05-18

Blunk, Evon C.

Handling: hand and hoist-line implements

Underwater implement

294 64R, 294 86R, B66C 102

Patent

active

039572960

ABSTRACT:
This apparatus securely interconnects a line or an instrumentation package to a rigid surface underwater. A suction cup member has a lip which pliably accommodates the surface and allows a trigger mechanism to be brought in contact with the surface. The trigger mechanism releases a coiled helical biasing spring which distends an essentially cylindrically shaped bellows to create a multiplied suction or a vacuum inside the suction cup. The multiplied suction holds the apparatus and instrumentation package or line securely on the surface. Because of its straightforward design and uncomplicated mode of operation, it is fully capable of being deployed by marine mammals. Having the suction cup and bellows integrally molded reduces the possibility of leaking and enhances reliability.

REFERENCES:
patent: 1294103 (1919-02-01), Hitchcock
patent: 2708046 (1955-05-01), Cushman
patent: 3424486 (1969-01-01), Corley
patent: 3722941 (1973-03-01), Seiple et al.
patent: 3853345 (1974-12-01), Miller
Western Electric Tech. Digest No. 22; Apr., 1971; "Vacuum Pickup Device" by cDaniel.

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