Device for measuring the pitch of propeller blades and the like

Details Device for measuring the pitch of propeller blades and the like Device for measuring the pitch of propeller blades and the like

1976-06-22

1977-11-08

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

G01B 356, G01B 524

Patent

active

040568881

ABSTRACT:
A device for measuring the pitch of propeller blades and the like is disclosed herein which comprises a shaft on which the bladed item is mounted. An arm is rotatably and slidably received upon the shaft and has a pin which rides along the blade surface to be measured. The pin is moved along the blade surface by rotating and sliding the arm along the shaft. The pitch is determined from measurements of the rotational and axial movement of the arm.

REFERENCES:
patent: 1021797 (1912-04-01), Rice
patent: 1696525 (1928-12-01), Coolidge
patent: 2717453 (1955-09-01), Wildt
patent: 2941301 (1960-06-01), Wright

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