Lever powered watercraft

Details Lever powered watercraft Lever powered watercraft

2007-09-11

2007-09-11

Sotelo, Jesús D (Department: 3617)

Marine propulsion

Operator powered drive for propelling means

Lever with connecting linkage

Reexamination Certificate

active

11388761

ABSTRACT:
Embodiments of the disclosure include a flotation device or watercraft propelled through the water using a lever powered propulsion system. The lever powered propulsion system includes human powered actuating levers operably connected to a reciprocating propulsion device. As a rider powers the levers up and down, that motion translates to the propulsion device, which cycles through a high drag propulsion phase and low drag recovery phase. In an embodiment, the propulsion system comprises a hydraulic system. In addition, the hydraulic system drives a carriage that orients a device or devices in a high drag state, then reorients the device or devices in a low drag state. Such devices capable of orientation are referred to herein as “hilos,” or “hilo devices.”

REFERENCES:
patent: 3154046 (1964-10-01), McLean
patent: 3369517 (1968-02-01), Rosenthal
patent: 6890226 (2005-05-01), Wang
patent: 61226392 (1986-10-01), None
http://www.pumpabike.com/Site1, Home Page, 1 page downloaded and printed from the World Wide Web on or about Sep. 20, 2006.
http://www.pumpabike.com/Site1, Models, 1 page downloaded and printed from the World Wide Web on or about Sep. 20, 2006.
http://www.pumpabike.com/Site1, Pumpabike, 1 page downloaded and printed from the World Wide Web on or about Sep. 20, 2006.

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