Geometrical instruments – Area integrators – Electrical
Patent
1975-12-05
1976-11-16
Phillips, Charles E.
Geometrical instruments
Area integrators
Electrical
254186R, 340 2, 9 8R, G01B 300
Patent
active
039914755
ABSTRACT:
A spool wherein line pay out is limited to a selected length by a pin that s retractable from one or more loops previously formed in the line and extending through a spool flange opening. A detented thumb wheel is eccentrically connected to the pin for retraction thereof.
REFERENCES:
patent: 3093808 (1963-06-01), Tatnall et al.
patent: 3262090 (1966-07-01), Farmer
patent: 3921120 (1975-11-01), Widenhofer
Preston James E.
Segrest Steven F.
David Harvey A.
Doty Don D.
Phillips Charles E.
Sciascia Richard S.
The United States of America as represented by the Secretary of
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