Geometrical instruments – Area integrators – Electrical
Patent
1982-03-16
1983-09-20
Watson, Robert C.
Geometrical instruments
Area integrators
Electrical
33DIG10, 33168R, 269 3, 269902, 269904, B25B 100
Patent
active
044047517
ABSTRACT:
A hand tool for mounting an electrical box on a wall stud or other structural member comprises a jig of V-shaped construction that has a linear primary gauge surface at the upper end of a first leg for engaging the outer face of the stud, a secondary gauge surface in the base of the V for engaging the rim of an electrical box wall, one or more additional secondary gauge surfaces formed as steps on the second leg of the V, and a linear tertiary gauge surface at the top of the second leg for engaging the inner surface of the box; a finger grip mounted on the second leg of the jig enables a workman to hold the jig and box against a stud, with one hand, and to mount the box on the stud with its rim at any one of two or more predetermined distances from the stud surface, depending on the number of secondary gauge surfaces provided. A simplified embodiment having only one secondary gauge surface is also described.
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