Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1990-12-07
1992-08-11
Cuchlinski, Jr., William A.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33395, 33333, G01C 916, G01C 906
Patent
active
051367840
ABSTRACT:
A vehicle level and measuring and display device for use especially in recreational vehicles or the like for ensuring that the vehicle is in a gravitationally level position comprising a sensing unit remotely connected to a display unit. The display unit includes a plurality of incremental individual optical indicators disposed along a first line representative of the level position of the vehicle and a second line representing the level position of the vehicle whereby the individual LED optical elements can incrementally and individually display the particular level position of that line. The device includes at least two scales having both a rough and fine adjustment for the LED indicators.
REFERENCES:
patent: 1884728 (1932-10-01), Kiesel
patent: 2772411 (1956-11-01), Cooper
patent: 2971264 (1961-02-01), Cowan
patent: 4429470 (1984-02-01), Watanabe et al.
patent: 4561188 (1985-12-01), Williams
patent: 4658508 (1987-04-01), Oberg
patent: 4760649 (1988-08-01), Preston et al.
"Popular Mechanics" Dec. 1949 p. 296 3-Directional Folding Precision Level.
Cuchlinski Jr. William A.
Fulton C. W.
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