Angle indicator for hand operated sheet metal brake

Details Angle indicator for hand operated sheet metal brake Angle indicator for hand operated sheet metal brake

1984-08-03

1986-04-01

Bray, W. D.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

72 36, 72320, B21D 1104

Patent

active

045789800

ABSTRACT:
An angle indicator for use with hand operated sheet metal brakes having a bed (A), a beam (B), an apron (C), a hinge rod (G) disposed substantially colinear with a desired bend line (D) to be formed in a worksheet (E), an apron mounted hinge rod receiving arm (I) and a bed mounted hinge rod receiving arm (H), the angle indicator including a gauge face (12) operably affixed to the apron mounted hinge rod receiving arm (I) and having a plurality of guidelines (22) and angular indicia (23) formed on the face thereof and an angle indicator arm (11) operably affixed to the bed mounted hinge rod receiving arm (H), which angle indicator arm (11) may be compared with the relative position of the gauge face (12) such that the angular position of the apron (C) with respect to the bed (A) can be read directly from the gauge face (12).

REFERENCES:
patent: 2159784 (1939-05-01), Dennin
patent: 2403420 (1946-07-01), Willingham
patent: 2955495 (1960-10-01), Stirling
patent: 3194038 (1965-07-01), Small et al.

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