Tools – Wrench – screwdriver – or driver therefor – Attachment – or including adjunct or replaceable portion
Patent
1980-10-27
1983-04-26
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Attachment, or including adjunct or replaceable portion
B25B 1358
Patent
active
043809413
ABSTRACT:
A device for enclosing the open end of an adjustable wrench and for locking the jaws of the wrench to a pipe grasped therebetween. The device includes an extendable locking member which is attached to the wrench at an attachment end by attaching means such as a harness and at a locking end by securing means such as a catch which is slidably fixable along the wrench. One end of the extendable locking member is secured to the movable jaw and the other to the fixed portion of the adjustable wrench so that the extendable locking member spans the open end of the wrench when in a closed position with the jaws. The adjustable wrench is secured to the pipe or other structure to be manipulated, and the extendable locking member is then secured across the open end of the wrench jaws. When the work is completed, the locking member is released, allowing removal of the wrench from the pipe.
REFERENCES:
patent: 1544779 (1925-07-01), Scott
patent: 1635031 (1927-07-01), Champion
patent: 3613486 (1971-10-01), Chapman
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