Fire hose clamp device

Details Fire hose clamp device Fire hose clamp device

1989-02-21

1990-12-18

Rivell, John

Valves and valve actuation

Tube compressors

Perpendicularly reciprocating tube contacting element

7138, 7170, 269127, F16K 706, B25B 110

Patent

active

049781006

ABSTRACT:
A fire hose clamp that comprises a U-shaped guide structure for slidably supporting a movable jaw; a manual rotary screw extends from the movable jaw through a nut in the central wall of the U-shaped structure, whereby rotation of the screw moves the jaw along the guide structure. A stationary jaw is arranged in the path of the movable jaw, such that the two jaws exert a squeezing action on a fire hose extending through the jaw space; the hose fabric is flattened to shut off the flow of water through the hose. Preferably the jaws have curved surfaces that tend to iron away any creases or bulges in the hose fabric during the hose-squeezing operation, thereby assuring a more consistent water shut-off action.

REFERENCES:
patent: 43194 (1864-06-01), Glasser
patent: 636971 (1899-11-01), Forcier
patent: 950111 (1910-02-01), Miner
patent: 1837645 (1931-12-01), Baash et al.
patent: 2070143 (1937-02-01), Schisler
patent: 2680000 (1954-06-01), Pulver
patent: 3410517 (1968-11-01), Wall
patent: 3422469 (1969-01-01), Tunstall et al.
patent: 3504388 (1970-04-01), Tunstall et al.

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