Geometrical instruments – Gauge – Pitchometer
Patent
1985-07-10
1987-02-17
Haroian, Harry N.
Geometrical instruments
Gauge
Pitchometer
G01B 524, G01B 730
Patent
active
046429018
ABSTRACT:
A propeller checking device comprising a mounting means adapted to be mounted on an axis coincident with or parallel to the axis of a propeller to be checked and which has a plurality of pins mounted on mountable to the plate to be movable with respect thereto to contact, in use, a propeller to thereby give a representation of a parameter of the propeller.
REFERENCES:
patent: 1736247 (1929-11-01), Bodenlos
patent: 2445324 (1948-07-01), Greenwell
patent: 2568817 (1951-09-01), Moss
patent: 3264743 (1966-08-01), Bell
patent: 4411073 (1983-10-01), Ryan
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