Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1997-04-16
1999-11-30
Gutierrez, Diego
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33385, G01C 900
Patent
active
059920335
ABSTRACT:
A carpenter's level provides a three point mounting for a vial housing within a level frame. The frame is a square cylinder, preferably an extruded part. The vial housing mounts within the frame on a pivot pin and is biased by a spring toward one side wall of the frame where the vial housing abuts the side wall on a pivot ridge extending from the housing. The pivot pin provides a camming surface so that the vial housing may be rocked slightly to a new position in order to re-align the vial housing within the frame.
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Doan Quyen
Gutierrez Diego
Scott Gene
LandOfFree
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