Inclinometer

Details Inclinometer Inclinometer

1998-05-08

2000-06-13

Bennett, G. Bradley

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33373, 33377, G01C 916

Patent

active

06073356&

ABSTRACT:
An inclinometer comprising a housing having transparent front plate and flat bottom, a gravitated rotational protractor having angle graduation printed on the front panel, a pendulum swing needle and protractor rotation locking device. By controlling the locking device, the protractor can be released to rotate freely and can be locked in a position. When the protracted is unlocked, the pendulum swing needle and the gravitated rotational protractor will always rotate to the relatively same position (the needle point to "0" degree angle). Then the locking device can lock the protractor to prevent rotation and the needle continues to rotate to measure the angle to which the inclinometer has been tilted.

REFERENCES:
patent: 287342 (1883-10-01), Van Alstyne
patent: 636843 (1899-11-01), Ramsey
patent: 1038291 (1912-09-01), Cassell
patent: 1120737 (1914-12-01), Nielsen
patent: 1449669 (1923-03-01), Grossman
patent: 1506689 (1924-08-01), Tallant
patent: 1597960 (1926-08-01), Eltag
patent: 3707772 (1973-01-01), Cotter
patent: 4096638 (1978-06-01), Schimming
patent: 5398422 (1995-03-01), Clarkson

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