Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
Patent
1995-04-13
1996-08-27
Kisliuk, Bruce M.
Tools
Wrench, screwdriver, or driver therefor
Rigid jaws
811243, B25B 1300
Patent
active
055490220
ABSTRACT:
A closed end box line wrench includes at least one wrench end and a tool body. The wrench end has a hole therethrough sized and adapted to engage an object, such as a nut. The hole is in communication with an opening for enabling the wrench to be positioned on a line, tubing, or the like by sliding the line through the opening and into the hole. The hole of the wrench end has a multi-sided inside periphery, preferably corresponding to an outside periphery of the object, which contacts the object for gripping the object during use of the wrench. The tool body has a protuberance sized and adapted to be disposed within the opening of the wrench end for providing an additional side of the multi-sided inside periphery for contact with the object. The tool body has a hole for receiving a tool, such as a torque-applying tool, for manipulating the wrench during tightening and loosening of the object. To secure the wrench end and the tool body together, the wrench end has a first mating connection engagable with a second mating connection of the tool body. In addition, a spring and ball assembly may be utilized. A plurality of wrench ends, each having a different size and shape hole, are interchangeable with the tool body for allowing utilization of the wrench with numerous sized and shaped objects.
REFERENCES:
patent: 898997 (1908-09-01), Sprague
patent: 2484492 (1949-10-01), Dingley
patent: 2522428 (1950-09-01), Brunstad
patent: 2591788 (1952-04-01), Day
patent: 2656750 (1953-10-01), Rasco
patent: 2715347 (1955-08-01), Johnson
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patent: 4318315 (1982-03-01), Washburn
patent: 5050463 (1991-09-01), Stielow
patent: 5131300 (1992-07-01), Daniel
patent: 5259276 (1993-11-01), Baron
patent: 5339710 (1994-08-01), Deadmond et al.
Addessi Aileen Champion
Danganan Joni B.
Kisliuk Bruce M.
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