Work holders – Operator supported
Patent
1978-07-31
1980-01-01
Watson, Robert C.
Work holders
Operator supported
269254R, 269321S, B25B 2120
Patent
active
041812956
ABSTRACT:
A box setting tool includes a flat, relatively thin box holding blade adapted to be positioned against a flat edge wall of an electrical junction box or switch box. Two box holding fingers are integral with the box holding blade and extend generally parallel to the box holding blade. They are curved so as to permit a flat edge wall of a junction box to be forced between them and the holding blade thus to holdingly position the junction box with respect to the tool. A transversely extending box positioning bar is fixedly positioned between the holding blade and the holding fingers and is provided with a box wall positioning edge situated to receive the forward flat face of the junction box edge wall. A stud contact blade is fixedly mounted with respect to the holding blade on a side thereof opposite the positioning bar and is provided with a stud contacting face extending outwardly from the holding blade at right angles to it. The distance along the box holding blade from the plane of the stud contacting face of the stud contact blade to the box wall positioning edge of the box positioning bar is selected to be commensurate with the thickness of the plasterboard which will later be nailed on the wall stud face so that after the junction box is installed with the tool in contact with the wall stud and holding junction box, the forward edge of the junction box will be situated flush with the surface of the plasterboard.
REFERENCES:
patent: 2956798 (1960-10-01), Briggs
patent: 3617044 (1971-11-01), Strange
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