Angle indicator for pipe benders

Details Angle indicator for pipe benders Angle indicator for pipe benders

1996-10-28

1998-06-23

DePumpo, Daniel G.

Geometrical instruments

Straightedge type

Combined with level

33334, 33370, 33529, B43L 700

Patent

active

057687900

ABSTRACT:
An angle indicator for connection to a pipe bender having an elongated handle or the like, which is generally characterized by the presence of: (a) a pivoting linear member having a spirit level thereon/therein for determining when it is horizontal; (b) which pivoting linear member is pivotally attached to another linear member which includes means by which it may be attached to the handle of the pipe bender being used in such manner that it is horizontal when the pipe bender is initially affixed to a pipe to be bent; and (c) means by which the relation between the two linear members may be nonpermanently set at a preselected angle.

REFERENCES:
patent: 709487 (1902-09-01), Hughes
patent: 2677184 (1954-05-01), Lindenbein
patent: 2932225 (1960-04-01), Gardner
patent: 3009250 (1961-11-01), Schock
patent: 3590617 (1971-07-01), Mount
patent: 4009602 (1977-03-01), Linquist
patent: 4052881 (1977-10-01), Mount
patent: 4425784 (1984-01-01), D'Gerolamo
patent: 4622837 (1986-11-01), Bergman
patent: 4712307 (1987-12-01), Kish
patent: 4729173 (1988-03-01), Wilson
patent: 5167075 (1992-12-01), Weldy et al.
patent: 5446969 (1995-09-01), Terenzoni
patent: 5452522 (1995-09-01), Kook et al.

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