Goniometer

Details Goniometer Goniometer

1989-03-21

1990-12-04

Will, Thomas B.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33471, 33421, 33451, G01K 912

Patent

active

049743295

ABSTRACT:
The goniometer (1) comprises a scale (203) having three sectors (204, 205, 206) in degrees, grads, and percent. A pointer arrangement (207) is disposed above the scale, and a central arbor bears a handle (208). Fixed in an extension (210) of the handle is a measuring rod (213) which can be used to transfer the angle indicated on the scale to an external item. The pointer arrangement can be locked via a mechanism by a slide (214) disposed in the handle when a locating mark (211is situated over a pointer. The goniometer can be detachably connected to a measuring bar, to which an angle gauge (217) may also be secured.

REFERENCES:
patent: 147472 (1874-02-01), Bogy
patent: 614985 (1898-11-01), Ruffin
patent: 721274 (1903-02-01), Bankston
patent: 905249 (1908-12-01), Townsend
patent: 1128673 (1915-02-01), Foner
patent: 1317052 (1919-09-01), Spanier
patent: 1550755 (1925-08-01), Steinle
patent: 2900729 (1959-08-01), Basile
patent: 2966743 (1961-01-01), Doudlah
patent: 4358898 (1982-11-01), Johnson
patent: 4449304 (1984-05-01), Underwood

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