Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – Conduit snakes
Patent
1996-12-24
1999-03-30
Scherbel, David A.
Implements or apparatus for applying pushing or pulling force
Method or apparatus for placement of conductive wire
Conduit snakes
H02G 108
Patent
active
058878556
ABSTRACT:
A hand tool (1, FIG. 1) for use in electronics installations in a vehicle (3, FIG. 3), in which one or more wires 4 need to be run through, for example, the fire wall 5 of the vehicle, in installing, for example, car phones, stereos, and the like. The tool consists of, a hollow shaft (10) inserted into a handle (11) with supplemental adhesive (14) included to prevent the shaft from coming out of the distal end (15) of the handle and a channel (12) through the handle along its axis in alignment with the hollow interior of the shaft. The shaft is restricted from ever extending all the way through the handle by a blocking flange, shoulder or shelf (13) extending about the interior periphery of the channel of the tool, which mechanical or physical blocking element is an important part of the improvement of the present invention over the prior art of electronics installations tools, and prevents the hollow, typically metal, shaft from being able to move down and protrude out of the base or bottom handle end (16) and, for example, potentially injuring a user of the tool, as the user pushes hard on the tool to move the distal or top end (19) of the shaft through, for example, a tight, packed grommet (2, FIGS. 2 & 3), as has occurred in prior art tools which have the shaft extend from end-to-end of the tool handle, securing the shaft to the handle only with adhesive which has failed.
REFERENCES:
patent: 834344 (1907-02-01), Linderman
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patent: 1783256 (1930-12-01), Miller
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patent: 4054264 (1977-10-01), Elversson
patent: 5458317 (1995-10-01), Caracofe et al.
patent: 5503369 (1996-04-01), Frost et al.
Whitney Dain M.
Whitney Reed C.
Pugh C. Emmett
Scherbel David A.
Wilson Lee
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