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Title:
Self-boring bushing device
Abstract:
A self-boring bushing device adapted to provide passage through a structure, such as a wall, wherein the device is so constructed as to both thread and bore itself therein upon rotation thereof, thus providing communication between both sides of the wall, whereby electrical conduits or lead-in wires can be received therethrough, the device comprising a stud-like body having an enlarged head formed to receive a tool for rotating the stud and an elongated shank portion provided with external threads, and wherein the terminating end of the shank includes a plurality of boring teeth extending outwardly therefrom forming the annular free end of the stud-like body, the body being formed with an elongated, longitudinal bore wherein various elements can be passed therethrough, sealing plugs being also included to be positioned within each opposite, open end thereof.
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Inventors:
Rosan, Sr., Jose (San Juan Capistrano, CA, US) Reece, Marvin P. (Dana Point, CA, US)
Application Number:
621641
Filing Date: 1975-10-14 Publication_date: 1976-10-05 Assignee:
Rosan Hydraulics, Inc. (Newport Beach, CA)
Primary Class(es):
16/2.4
217/113, 285/40, 408/204
Other Classes:
US Patent Ref:
Other Refs:
222,515| Apr, 1958 | AU | | 464,620Dec, 1968 | CH | | | | | | | |
Primary Examiner:
Kundrat, Andrew V.
Assistant Examiner:
Attorney:
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