Oar lock

Details Oar lock Oar lock

1985-11-25

1987-05-05

Peters, Jr., Joseph F.

Marine propulsion

Oar or paddle

Support

440106, B63H 16073

Patent

active

046628495

ABSTRACT:
Two sleeves are arranged tangentially and are structurally connected to form the main body of the oar lock. One of the two sleeves, being larger than the other, is dimensioned to allow an oar shaft to pass through the sleeve. This larger sleeve is situated between two collars. The collars, which are secured to the oar shaft on each side of the larger sleeve, prevent the sleeve from sliding along the oar shaft. The smaller sleeve, being externally tangent to the larger sleeve, forms an oar lock body protrusion. Two members, that connect the collars, strike the oar lock body protrusion and serve to limit the oar shaft feathering rotation. The collars provide circumferential oar lock bearing against axial oar shaft loads. The sliding surface between the oar lock and the oar shaft is totally enclosed. The smaller sleeve is captively held to the stub shaft of a rotatable pivot elbow, of which the second stub shaft can be captively held in vertically oriented oar lock receptacles of boats, canoes, and of like watercraft. The oar may simultaneously pivot about both legs of the elbow.

REFERENCES:
patent: 271021 (1883-01-01), Beaudreau
patent: 2315155 (1943-03-01), Glissendorf

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