Work holders – Plural holders to hold workpieces relative to each other
Patent
1993-12-10
1995-07-11
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
269904, 269246, B25B 120
Patent
active
054313805
ABSTRACT:
An apparatus for accurately setting the height and depth placement of electrical boxes on wall studs or the like. The apparatus telescopically extends to the required height and a plurality of steps are disposed upon both a top plate and base plate. The steps correspond to various wall covering thicknesses. Proper operation ensures accurate positioning and maintenance of the height and depth settings.
REFERENCES:
patent: 3751026 (1973-08-01), Stickney
patent: 4479639 (1984-10-01), Kane
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