Geometrical instruments – Area integrators – Electrical
Patent
1981-03-16
1982-07-06
Haroian, Harry N.
Geometrical instruments
Area integrators
Electrical
33143M, 33158, 28147, G01B 502
Patent
active
043375782
ABSTRACT:
A device for measuring lengths of yarn and the like has an elongated base member with a first fixed position post and a second movable post. The second post is moved toward and away from the first post to a preselected position for measuring lengths of yarn and the like. A complete turn of yarn encompassing both posts measures the desired length of yarn.
REFERENCES:
patent: 2353640 (1944-07-01), Bishop
patent: 2596731 (1952-05-01), Seme
patent: 3854179 (1974-12-01), Montoya
patent: 3857143 (1974-12-01), Montory
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