Electronic gage and levelmeter

Details Electronic gage and levelmeter Electronic gage and levelmeter

1990-03-09

1991-06-25

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Railway rail spacing and inclination

33366, 335231, G01B 514, G01C 906

Patent

active

050255665

ABSTRACT:
The new instrument is a three piece frame which folds into a compact, hand carried device and when opened forms a track spanning frame. In its open position the frame carries on its midsection an electronic levelmeter and the track gage meter or indicator.
The main frame consists of four arms. Two of these arms are hinged to fold on themselves for carrying and opening into a straight line for making measurements of gage and level. The other two arms fold back onto the first two for carrying and open at a predetermined angle to support the first mentioned arms in a perpendicular relationship to the track being observed.
Under the three outer ends of the arms are feeler contacts. The two on the angled arms are fixed to ride on the inner edge of one of the tracks being measured. A third feeler contact is carried under the end of the single and oppositely extended arm. This third contact is moveable to contact the inner edge of the second track and is coupled to a gage monitoring device to monitor the gage of the two rails under the three arms of the device of my invention, level monitoring means is carried on one of the arms.

REFERENCES:
patent: 1220027 (1917-03-01), Toney
patent: 1373982 (1921-04-01), Smith
patent: 2286456 (1942-06-01), Boettcher
patent: 4027397 (1977-06-01), Theurer et al.
patent: 4641434 (1987-02-01), Engler

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