Angle gage mechanism

Details Angle gage mechanism Angle gage mechanism

1979-09-24

1981-05-19

Phillips, Charles E.

Geometrical instruments

Straightedge type

Plural straightedges, relatively moveable

33500, B43L 706

Patent

active

042676428

ABSTRACT:
An angle gage mechanism is disclosed for use in measuring angles of surfaces in a workpiece usually requiring more than one conventional tool at the present time. This invention is capable of performing the most used functions of at least five conventional tools, to wit, solid square, bevel protractor, combination square, rule and bevel. It also includes a vernier for added accuracy and a plurality of pre-set angles that can be readily selected by the user.
The invention comprises a frame with a cylindrical hole housing a cylindrical spindle having means for readily locking said spindle at predetermined angles with respect to the frame and means for frictionally locking said spindle at any angle with respect to the frame. A slot in said frame aligned with a partial slot in the spindle receive a slidable ruler. The frame is further provided with means for frictionally locking said ruler relative to the spindle.

REFERENCES:
patent: 1139648 (1915-05-01), Demmer
patent: 1398243 (1921-11-01), Rosskopf
patent: 1478629 (1923-12-01), Bartlett
patent: 1908518 (1933-05-01), Lee
patent: 2113524 (1938-04-01), Wolfe
patent: 3358372 (1967-12-01), Johnson

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