Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1990-02-28
1990-12-11
Haroian, Harry N.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
33382, G01C 928
Patent
active
049760408
ABSTRACT:
An apparatus for indicating and proper positioning of a post, including a first and second spirit level member, with a first elastic band securing the first and second spirit level together, and a second elastic band directed exteriorly of the second spirit level member, including a loop securable to a hook mounted to the first spirit level member to encompass a post. The elastic bands each include flexible magnetic members mounted coextensively with the elastic bands, and further including apertures directed through the first and second bands to receive fasteners, such as nails, to selectively mount the organization to the post by utilization of fasteners, magnetic attraction, or frictional elastic encompassing of an associated post.
REFERENCES:
patent: 312266 (1885-02-01), Gurley
patent: 1683065 (1928-09-01), Carpenter et al.
patent: 2624953 (1953-01-01), Newcomb
Mish Joseph E.
Petersheim Enos
Gilden Leon
Haroian Harry N.
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