Building block laying level indicating device

Details Building block laying level indicating device Building block laying level indicating device

1975-03-21

1976-04-20

Aegerter, Richard E.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33 89, 33390, G01C 928

Patent

active

039508609

ABSTRACT:
A building block laying level indicating device adapted for use with a building block of general rectangular configuration wherein the block has a top and a bottom, front and rear walls and end faces. The front and rear walls of the block are connected by webs spaced from each other to provide a plurality of holes extending from the top through the bottom. The device has a planar base with three support members mounted thereon which are adapted to rest on the top of the block. A level indicating means is mounted on the base for visually indicating the level condition of the block. A positioning member is affixed to the planar base and extends downwardly therefrom so as to maintain the level in operating position when placed on the building block.

REFERENCES:
patent: 613946 (1898-11-01), Starrett
patent: 2689412 (1954-09-01), Young

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