Firefighter's wrench

Details Firefighter's wrench Firefighter's wrench

2005-05-31

2005-05-31

Hail, III, Joseph J. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Spanner

C081S176150, C081S125000

Reexamination Certificate

active

06899001

ABSTRACT:
A multiple component wrench is adapted for use to attach and disconnect fire hose and hydrant coupling using this singular tool in lieu of several tools currently used by firefighters. The wrench has a sliding portion and a receiver portion presented as one tool, yet allowing multiple wrenches adapted for use on Storz and spanner hose couplings, rocker lug couplings, water meter shutoff valves, gas cock valves, pentagonal nuts and square nuts, and includes a multiple ratchet mechanism with multiple removable ratchets adapted to a variety of different nuts encountered on the multiple hydrants installed in various municipalities. The wrench is also extendable to provide additional leverage during use, the wrench further capable of separation forming two independent wrenches.

REFERENCES:
patent: 489107 (1893-01-01), Storz
patent: 1413798 (1922-04-01), Shinn
patent: 1465009 (1923-08-01), Wasseth
patent: 1763353 (1930-06-01), Heller
patent: 3662630 (1972-05-01), Baxter
patent: D263674 (1982-04-01), Ebert
patent: 4554944 (1985-11-01), Daghe et al.
patent: 4690019 (1987-09-01), Daghe
patent: 5247715 (1993-09-01), Nishiguchi
patent: 5255576 (1993-10-01), Keith
patent: D360118 (1995-07-01), Stanepher
patent: 5428853 (1995-07-01), Menke
patent: 5632301 (1997-05-01), Julicher
patent: 6102444 (2000-08-01), Kozey
patent: 6220124 (2001-04-01), Perkins
patent: 6298754 (2001-10-01), Brown
patent: 6520051 (2003-02-01), Hu
Wrenches and Axes; www.chiefsupply.com/axes.phtml p. 2 of 4.
Wrenches Page; www.firequip.com/wrenches.htm pp. 1 and 2.

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