Level for power hand drill

Details Level for power hand drill Level for power hand drill

1976-08-10

1978-11-21

Phillips, Charles E.

Geometrical instruments

Indicator of direction of force traversing natural media

Attaching means

33334, G01C 928

Patent

active

041259440

ABSTRACT:
A small, pocket level that can be readily and easily attached to any portable power tool so that the tool is operated on an accurately horizontal and vertical axis; the level including a transparent glass containing a fluid and an air bubble space, the glass being of cross-shape, bowed slightly upwardly at its center so to obtain a level position along two directional axes at right angle to each other; the level being attachable to the tool by a permanent magnet base.

REFERENCES:
patent: 456086 (1891-07-01), Forwood
patent: 2767483 (1956-10-01), Sauer
patent: 2782524 (1957-02-01), Vogt
patent: 2820302 (1958-01-01), Mitchell
patent: 3030710 (1962-04-01), Fell
patent: 3835547 (1974-09-01), Rishoud
patent: 4038757 (1977-08-01), Hicks et al.

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