Marine propulsion – Oscillating propelling means
Patent
1996-01-11
1996-12-17
Avila, Stephen
Marine propulsion
Oscillating propelling means
440 24, B63H 1608
Patent
active
055847323
ABSTRACT:
A human-powered, foot or hand operated paddle propulsion system for a variety of differently sized and configured watercraft. A rigid supporting subframe attaches the system to an end of the watercraft. A spaced-apart terminus is wedged towards a boat seat base. The terminus and subframe cooperatively secure the system within the boat. The subframe has a C-shaped bow plate coupling it to the boat end. The paddle assembly is removably quick-connected to the bow plate. Knobbed, slidably adjustable mounting bolts captivate the subframe upon the bow. The frame comprises a pair of adjustable, telescoping frame beams that enable it to retract or extend. The frame supports an adjustable actuating assembly including foot-operated pedals and optional hand bars for powering the boat. Cabling links the actuating assembly to the drive paddle assembly. Slidable captivation of the activating assembly upon the frame facilitates cable length and tension adjustments. The cabling extends through the frame and around the drive paddle assembly between terminal ends on each foot pedal. The subframe buttresses the drive paddle assembly. The drive paddle assembly controls paddle pitch and sweep. A spring lock may be used to lock a cable guide donut in a selected pitch-controlling position. The lock maintains donut positioning until released.
REFERENCES:
patent: 2633096 (1953-03-01), Rayfield
patent: 3095850 (1963-07-01), Stolzer
patent: 4960396 (1990-10-01), Stolzer
patent: 5011441 (1991-04-01), Foley et al.
patent: 5453031 (1995-09-01), Gagnier
Avila Stephen
Carver Stephen D.
Kakor Inc.
Keisling Trent C.
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