Water level

Details Water level Water level

1987-02-26

1988-10-04

Haroian, Harry N.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33384, G01C 928

Patent

active

047747676

ABSTRACT:
A water level or spirit level having at least one water level member whose angular adjustment relative to the contact surface can be changed. The water level member is rotatably mounted on the level body or a structural part fixedly connected to the level body. The water level member is fixable in the desired angular position relative to the level body or the structural parts connected to the level body. The rotatable water level member has at least one circumferentially extending flange which engages under a clamping jaw. The clamping jaw can be pressed against the surface of the flange by means of a manually operated clamping member.

REFERENCES:
patent: 1703589 (1929-02-01), Myers
patent: 1920892 (1933-08-01), Rogers
patent: 2453091 (1948-11-01), Holloway et al.
patent: 2692440 (1954-10-01), Walters
patent: 2770889 (1956-11-01), Allegretti et al.
patent: 2993281 (1961-07-01), Dock
patent: 3638527 (1972-02-01), Weissenberg
patent: 3750301 (1973-08-01), Johnson
patent: 4073062 (1978-02-01), Wright
patent: 4151650 (1979-05-01), Russo
patent: 4320581 (1982-03-01), Ousterhost

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