Adjustable angle plate

Details Adjustable angle plate Adjustable angle plate

1982-03-29

1983-11-08

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33162, G01B 524

Patent

active

044134177

ABSTRACT:
An adjustable toolmaker's square that includes a one piece body having a pair of legs containing flat accurately machined reference surfaces that meet at an angle that is slightly less than 90.degree. to form a corner. One of the legs forms the base of the device and has a laterally extended groove formed therein in which a slide is movably received. The slide has a bearing surface that can be raised and lowered in regard to the base reference surface whereby the square is pivoted about the corner when it is resting upon a surface plate or the like whereby the other reference surface can be accurately positioned against a workpiece or the like.

REFERENCES:
patent: 2126896 (1938-08-01), Koller
patent: 2487844 (1949-11-01), Bigham
patent: 3688412 (1972-09-01), Keener
patent: 3820247 (1974-06-01), Casey et al.
patent: 4096634 (1978-06-01), Gudel
patent: 4168574 (1979-09-01), Chase
Campbell, "Squaring Gage Indicates Incline from Vertical with Dial Readings", American Machinist, Mar. 25, 1948, p. 121.

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