Apparatus and method for marking cut lines on pipe to form a var

Details Apparatus and method for marking cut lines on pipe to form a var Apparatus and method for marking cut lines on pipe to form a var

1997-06-12

1999-01-19

Bennett, G. Bradley

Geometrical instruments

Gauge

Pipe layout or fitting

33 2701, 33DIG21, B43L 900

Patent

active

058602208

ABSTRACT:
An apparatus for indicating lines along which cuts are to be made on a pipe has a clamp for attaching to the pipe. A longitudinal guide is fixedly attached to the clamp and a first bracket is slideably releasably coupled to the longitudinal guide at one of a plurality of locations. A pivot arm pivotally coupled to the first bracket and has a second bracket slideably coupled thereto at one of a plurality of positions. A laser attached to the second bracket projects a beam of light onto a surface of the pipe. A the pivot arm is rotated with respect to the first bracket the laser beam traces a line on the pipe along which a cut should be made. A marker is used to mark the line traced by the laser beam.

REFERENCES:
patent: 1051689 (1913-01-01), Coleman
patent: 2749622 (1956-06-01), Rasco
patent: 3742581 (1973-07-01), Roodvoeis
patent: 4367593 (1983-01-01), Whitworth
patent: 4614043 (1986-09-01), Nagano et al.
patent: 4616418 (1986-10-01), Wade, III
patent: 5481809 (1996-01-01), Rooney
patent: 5651184 (1997-07-01), Tutty

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