Geometrical instruments – Distance measuring – By flexible tape
Patent
1991-04-11
1992-04-14
Haroian, Harry N.
Geometrical instruments
Distance measuring
By flexible tape
33613, 33644, 33769, G01B 310
Patent
active
051035740
ABSTRACT:
A measuring tool for hanging up a picture and the like onto a flat vertical surface, is provided and consists of a box-shaped housing. A mechanism is carried on the housing for ascertaining whether the housing is in a horizontal and vertical alignment with respect to the flat vertical service. Another mechanism is carried on the housing for taking linear measurements between two points on the flat vertical surface. A drawer having a pull handle is disposed in the housing for holding a plurality of nails therein. When the drawer is opened, two of the nails can be removed and hammered into the two points measured on the flat vertical surface, allowing the picture and the like to be properly hung up on the flat vertical surface.
REFERENCES:
patent: 3242578 (1966-03-01), Moll
patent: 3335498 (1967-08-01), Barbee
patent: 4648185 (1987-03-01), Brandimarte
Haroian Harry N.
Miller Richard L.
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