Collapsible fire hydrant hose coupling tool, or wrench

Description

FIG. 1 shows, in perspective, the collapsible fire hydrant hose coupling tool, or wrench of the present invention, viewed from one side, in collapsed position, the other side being substantially identical.

FIGS. 2 and 3 show, in perspective, looking from slightly below and slightly above, the tool of FIG. 1 in partially opened position, opposite sides of the tool being substantially identical.

FIGS. 4 and 5 are perspective showings of the tool of FIGS. 1 through 3, with the handle snapped into closed position, looking from the handle end, and from one side, respectively.

FIG. 6 shows the rectangular outer shell of the handle removed from the tool of FIGS. 1 through 5;

FIG. 7 shows the pivotally-coupled spring-biased metal insert removed from the handle of the tool of FIGS. 1 through 5; and

FIG. 8 shows the spanner and jaws of the tool of FIGS. 1 through 5 which is formed to fit onto a pinlug-type hose coupling.

Referenced Cited
U.S. Patent Documents
336915 March 1886 Gray
849891 April 1907 Ellingson
1614426 January 1927 Des Rosiers
1707856 April 1929 Hoffman
2630730 March 1953 Thornton
2656865 October 1953 Bright
3297343 January 1967 Oetiker
3863693 February 1975 Carriker
Foreign Patent Documents
914797 October 1946 FRX
Patent History
Patent number: D258636
Type: Grant
Filed: Oct 16, 1978
Date of Patent: Mar 24, 1981
Assignee: Zenovia Boyko
Inventors: Samuel Boyko, deceased (late of Flemington, NJ), by Zenovia Boyko, executrix (Flemington, NJ)
Primary Examiner: W. Stallard
Attorney: Martha G. Pugh
Application Number: 5/951,987
Classifications
Current U.S. Class: D 8/27; 81/90B; 81/90C
International Classification: D0805;