Powered gate valve wrench apparatus

Details Powered gate valve wrench apparatus Powered gate valve wrench apparatus

1998-03-31

1999-11-02

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 1700

Patent

active

059749130

ABSTRACT:
A powered gate valve wrench having a motor, a belt drive assembly coupled to the motor, a chain drive assembly coupled to the belt drive assembly and an output shaft attached to the chain drive assembly. The output shaft has two splined ends capable of receiving a socket attached thereon, which couples to a gate valve to transmit the rotational force of the motor to the gate valve. When coupled to the gate valve, each end of the shaft provides rotation in opposite directions. The entire assembly is mounted to a lightweight, compact housing for portability.

REFERENCES:
patent: 1871857 (1932-08-01), Martois
patent: 2379878 (1945-07-01), Bronander
patent: 2436650 (1948-02-01), Killmer
patent: 2578279 (1951-12-01), Bardwell
patent: 2682188 (1954-06-01), Ferrell
patent: 2825252 (1958-03-01), Roberts
patent: 3308691 (1967-03-01), Guier
patent: 4287795 (1981-09-01), Curtiss
patent: 4376396 (1983-03-01), Hayhoe
patent: 5355751 (1994-10-01), Specht
patent: 5388647 (1995-02-01), McGlothlin

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