Folding blade propeller

Details Folding blade propeller Folding blade propeller

1994-04-18

1995-04-04

Sotelo, Jesus D.

Marine propulsion

Screw propeller

416142, B63H 1100

Patent

active

054032172

ABSTRACT:
A folding blade propeller for a power vessel wherein the blades are synchronized in their pivotal movement as they pivot from one position to the other by flexible links. The flexible links are connected at one end thereof to the base of one propeller blade and at the opposite to the base of another and act as pulling members. When one blade pivots the flexible link pulls on the base of the other blade to which it is attached to simultaneously pivot that blade. Slack in the links is minimized by having each link in rolling contact with rounded surfaces on the base of the respective propeller blades that are interconnected by that link.

REFERENCES:
patent: 3981613 (1976-09-01), Ehrenskjold et al.
patent: 4290760 (1981-09-01), Lindbald
patent: 4768927 (1988-09-01), Munk

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