Self leveling device

Details Self leveling device Self leveling device

1983-06-10

1985-03-05

Haroian, Harry N.

Geometrical instruments

Miscellaneous

Light direction

33293, 33DIG1, G01C 706

Patent

active

045022240

ABSTRACT:
A self leveling adapted to be moved along a substantially vertical wall comprises a base assembly adapted to be moved up and down along the substantially vertical wall, a roller assembly pivotally connected to the base assembly to be in continuous contact with the vertical wall, and weight means pivotally connected to the roller assembly. The leveling device is further provided with a horizontal member connected to the weight means perpendicular to an imaginary vertical line extending through the weight means.

REFERENCES:
patent: 3826576 (1974-07-01), Stewart
patent: 3874088 (1975-04-01), Shaffer, Jr.
patent: 3940858 (1976-03-01), Perotti
patent: 3985356 (1976-10-01), Carlock
patent: 3988837 (1976-11-01), Benson
patent: 4085512 (1978-04-01), Bod et al.

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