Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1994-12-22
1996-04-09
Fulton, Christopher W.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33354, 33DIG10, G01C 928
Patent
active
055050018
ABSTRACT:
A tool for aiding in the leveling of electrical switches. This tool rests on the top portion of the rim around the toggle of single, and three and four-way switches that have a metal mounting bracket. This tool holds itself to the switch so that the user has use of both hands for adjusting and fastening purposes.
REFERENCES:
patent: 2184449 (1939-12-01), Bell
patent: 2483029 (1949-09-01), Will
patent: 3123918 (1964-03-01), Crabtree
patent: 3279080 (1966-10-01), Stepshinski
patent: 4126944 (1978-11-01), Burkhart
patent: 4208802 (1980-06-01), Berndt
patent: 4793069 (1988-12-01), McDowell
patent: 5063679 (1991-11-01), Schwandt
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