Shaft coupler with positive angular and axial locking...

Details Shaft coupler with positive angular and axial locking... Shaft coupler with positive angular and axial locking...

2005-04-19

2005-04-19

Avila, Stephen (Department: 3617)

Marine propulsion

Oar or paddle

C440S102000, C403S355000

Reexamination Certificate

active

06881111

ABSTRACT:
The present invention provides a coupler for rotationally and/or axially securing two shafts together while permitting rapid angular adjustment between the shafts. The coupler includes a first component mountable to a first section of the paddle and a second component mountable to a second section of the paddle. The first component includes a receptacle, and the second component includes a protrusion operable to extend into the receptacle to position the first component relative to the second component and to prevent the first component from turning relative to the second component. To turn and reposition one of the components relative to the other component, the second component is axially movable relative to the first component. The coupler may also include a retainer to prevent the first component from inadvertently being repositioned relative to the second component.

REFERENCES:
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patent: 2376714 (1945-05-01), Mussen
patent: 3144909 (1964-08-01), Hart et al.
patent: 4820216 (1989-04-01), Masters
patent: 5409324 (1995-04-01), Johnson, Jr.
patent: 5791804 (1998-08-01), Cheng
patent: 5842830 (1998-12-01), Franznick
patent: 6022255 (2000-02-01), Lukanovich
patent: 6086284 (2000-07-01), Callahan
patent: 6328617 (2001-12-01), Gunnell
patent: 6419601 (2002-07-01), Kenner
patent: 20010053641 (2001-12-01), Hendrik

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