Geometrical instruments – Straightedge type – Square and pivoted straightedge
Patent
1993-06-23
1995-09-05
Will, Thomas B.
Geometrical instruments
Straightedge type
Square and pivoted straightedge
33421, 33451, 33464, 33473, B43L 714
Patent
active
054469694
ABSTRACT:
A combination square and multi-purpose hand tool can be utilized as a large number of hand tools including a square, bevel square, stud and ceiling strapping spacer, clamp, caliper, string tender, and scribe. A first L shaped member includes a blade portion and a handle portion. A second member is pivotably and slidably coupled to the blade portion of the first member. Individual member dimensions such as the overall length of the first member, the maximum extended length of the second member along the first member, and the width of the blade portion of the first member are pre-established at selected lengths and widths, to provide predetermined functions for the present multi-purpose hand tool such as a stud spacer, ceiling strapping spacer and string tender.
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Bourque Daniel J.
Bujold Michael J.
Davis Anthony G. M.
Will Thomas B.
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