Title: Screw propeller assemblies

Abstract: A screw propeller assembly comprising a propeller shaft rotatable co-axially with a swash member, a propeller having a hub connected to the propeller shaft by way of a universal joint wherein the hub is mounted to the universal joint indirectly through jointing members, the jointing members and swash plate co-operating to cause the axis of rotation of the hub to move at an incline to the axis of rotation of the propeller shaft thereby providing a paddle action to the propeller in addition to the rotary motion thereof.

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Inventors: Jackson, Albert

Application Number: 486912
Filing Date: 1974-07-09
Publication_date: 1976-03-02
Assignee:
Primary Class(es): 416/83 416/108
Other Classes:
US Patent Ref:

940753	Nov, 1909	Tower	416/83.
2026917	Jan, 1936	Smith	416/110.
2216164	Oct, 1940	Schairer	416/116.
2256918	Sep, 1941	Young	416/43.
3572616	Mar, 1971	Ulisnik	416/98.

Other Refs: 1,290,664

Sep, 1972	UK

Primary Examiner: Powell, Jr., Everette A.
Assistant Examiner:
Attorney: Cushman, Darby & Cushman