Oar

Details Oar Oar

1990-10-23

1991-08-20

Swinehart, Ed

Marine propulsion

Oar or paddle

Articulated sectional oar or paddle

416 74, 416 70R, 440101, B63H 1604

Patent

active

050410377

ABSTRACT:
An oar includes a blade portion, a loom including a grip, and a connecting member for connecting the blade portion and the loom together. The blade portion includes a frame and two blades. The frame includes two parallel vertical plates, a front plate, a top plate, a bottom plate and an open rear side defined by the vertical plates, the top plate and the bottom plate. A rectangular slot is formed between each blade and the front plate. A protrusion is formed on a top edge and a bottom edge of each blade. The blades are pivotally restrained in the rectangular slots with the protrusions engaging with corresponding holes formed on the top plate and bottom plate of the frame.

REFERENCES:
patent: 1066662 (1913-07-01), Schmidt, Jr.
patent: 1555097 (1925-09-01), Beebe
patent: 3122122 (1964-02-01), Jenkins
patent: 3135977 (1964-06-01), Vidal
patent: 3377977 (1968-04-01), Malm

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