Marine propulsion – Oar or paddle – Support
Patent
1999-02-18
2000-08-01
Avila, Stephen
Marine propulsion
Oar or paddle
Support
440106, B63H 1606
Patent
active
060958782
ABSTRACT:
An oarlock for a rowing shell has an elongated housing with a screw member secured therewithin for rotational movement, but not axial movement therewithin. At least one guide member is secured within an elongated slot member and is threadedly secured to the screw member, such that rotation of the screw will cause responsive movement of the guide member or members within the slot or slots. By rotatably securing the oarlock either below a sole guide member or between the guide members around the exterior of the housing, rotation of the screw will effect translational movement of the oarlock pin to facilitate desired adjustment thereof. A manually rotatable adjustment element permits rotation of the screw while the rowing shell is in the water to thereby permit adjustment to the rowing conditions, such as the weight and size of the rower and water conditions. A rigging has struts securing the rigger to the rowing shell and the oarlock rotatably secured to the oarlock pin of the present invention. In another embodiment, a generally tubular member having a passageway for receiving an oarlock pin is externally threaded and received within an internally threaded sleeve member which is structured to lock a tubular portion of an oarlock on the exterior thereof so that rotation of the tubular member will effect responsive translation of the internally threaded sleeve and the oarlock. In a further embodiment, the oarlock tubular portion is internally threaded and receives the externally threaded tube with the internally threaded sleeve being eliminated.
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7v2 Corporation
Avila Stephen
Silverman Arnold B.
LandOfFree
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