Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1979-06-29
1983-08-30
Phillips, Charles E.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
G01C 912
Patent
active
044008899
ABSTRACT:
A dial-type clinometer is fixed to a vise-type pliers-like clamp to position its indicator for swinging in a vertical plane which is substantially perpendicular to the pivot of, and which substantially symmetrically bisects, the clamp. At least one of the jaws of the clamp is adapted for insertion into the end of a pipe that is held horizontally in a pipe-bender preparatory to bending of the pipe in a vertical plane. The clamp is so positioned that when the jaws are locked closed upon the pipe wall, the dial of the clinometer will lie in a vertical plane close to the axis of the pipe. After the dial is set to zero, the pipe is bent until the dial index shows the number of degrees of bend desired. The clamp also has a second pair of jaws extending parallel to its pivot for fastening the clinometer with its axis parallel to the axis of the pipe before its removal from the bender, so that the pipe can be removed and replaced in the bender (rotated 180.degree.) for producing sequential off-set bends in the same plane.
REFERENCES:
patent: 591720 (1897-10-01), Armstrong
patent: 1969052 (1934-08-01), West
patent: 2438229 (1948-03-01), Price
patent: 3330045 (1967-07-01), Selleck
Phillips Charles E.
Staubly Ralph F.
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