Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Reexamination Certificate
1996-02-05
2001-12-25
Meislin, D. S. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
C081SDIG001, C081S125000
Reexamination Certificate
active
06332382
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to torque transmitting tools; and, more particularly, it relates to torque transmitting tools that allow for the interchangeability of male bits for the application of torque to fasteners and bolts in difficult to reach locations. Recently, there has been a growing trend in the automotive industry to decrease the size of automobiles. The decrease in the size of automobiles has resulted in the miniaturization of engines and components thereof. All of these developments have produced a need to create a variety of smaller and/or adaptable torque transmitting tools permitting the servicing of these smaller engines and components thereof.
The rapid storage, retrieval and insertion of a predetermined tool during an engine repair project that includes an obstruction limiting the accessibility of a fastener or a bolt, is also a very desirable goal. However, this goal is not easily achieved. Devices created to assist in the transmission of torque to fasteners and bolts are generally large and bulky, (see prior art illustrated in
FIG. 19
) and new engine compartments and engine components only offer a limited amount of vertical or horizontal clearance for the application of torque to fasteners and bolts. In particular, single piece Torx® tools, a trademark of the Camcar Division of Textron Corporation, a U.S.A. company, cannot clear obstructions and be inserted in cramped areas. Hence, there exists a need for a torque transmitting tool and kit that can store, organize and retain a desired tool that fits easily into the limited vertical and horizontal space constraints of an engine compartment. It is an object of the present invention to solve the variety of problems that exist in the art.
SUMMARY OF THE INVENTION
The present invention provides a torque transmitting tool, tool kit and method of applying torque to a fastener or bolt. The kit comprises in combination, a plurality of interchangeable male bits, a female bit retaining member having a polygonally shaped exterior portion having at least a pair of opposing parallel substantially flat surfaces for engaging a wrench and a female bit retaining pocket thereon for interchangeably engaging and temporarily retaining a desired bit.
Each male bit has a male bit retaining portion substantially congruent to the bit retaining pocket and a different sized male engaging portion extending beyond the bit retaining pocket compatible with a fastener to which torque is applied. The kit includes means for interchangeably retaining a desired male bit in the bit retaining pocket. The manipulation of screws or bolts located in hard to reach places is greatly facilitated and the problems associated with permanently attached torque transmitting bits are alleviated since the torque transmitting tool kit provides for a multitude of sizes to satisfy substantially any sized fastener utilizing an economical, light weight, single female bit retaining member.
The objects and features of the present invention, other than those specifically set forth above, will become apparent in the detailed description of the invention set forth below.
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patent: 5520075 (1996-05-01), Barmore
patent: 5603248 (1997-02-01), Eggert et al.
Lisle Catalog T-36, 1988, p. 20, 26000, Apr. 1988.*
Armstrong Tools Catalog, pp. 67, 71 and 82, 1973, Catalog 820 C.*
Nasco Catalog, p. 18, 1985/1986.*
Lisle Supplement T-54, Jun. 1995 p. 53.
Anderson Warren R.
Anderson Wayne
Lackenbach Siegel
Meislin D. S.
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