Combination of screw spanner and nut breaker

Details Combination of screw spanner and nut breaker Combination of screw spanner and nut breaker

1984-05-18

1985-10-29

Parker, Roscoe V.

Compound tools

Wrench

Adjustable, e.g., monkey wrench, pipe wrench, etc.

30 92, 30168, 81175, B25F 102

Patent

active

045493243

ABSTRACT:
A combination of screw spanner and nut breaker includes a head piece having a nut receiving hole and a female threaded longitudinal hole, a tail piece having a first male threaded protrusion and a second male threaded protrusion, each of which is capable of threadingly engaging with the longitudinal hole, a first engaging piece having a first front end having an angled surface formed to match with an angle surface of a nutlike member, a second engaging piece having a second front end having a knife edge and a female threaded cover capable of threadingly engaging with either one of the protrusions to reserve therein the one protrusion. Such a combination bears the function of a screw spanner when the first engaging piece is put between the head and tail pieces and the other protrusion is screwed on the longitudinal hole and can bear the function of a screw nut breaker when the second engaging piece, instead of the first engaging piece, is put between the head and tail pieces.

REFERENCES:
patent: 86138 (1869-01-01), Copeland
patent: 2879592 (1959-03-01), Paul

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