Portable pedal-operated paddlewheel boat

Details Portable pedal-operated paddlewheel boat Portable pedal-operated paddlewheel boat

1999-07-27

2000-07-04

Avila, Stephen

Marine propulsion

Operator powered drive for propelling means

Rotary cranking arm

440 90, 114354, 114 611, B63H 1620

Patent

active

06083062&

ABSTRACT:
A lightweight, collapsible boat comprises twin parallel hulls, a frame and human-powered paddlewheels outboard of the two hulls. The boat's frame is capable of being collapsed and packed into a bundle for carrying as a backpack. The drive comprises a pedal drive for turning a short drive axle which is independently and releasably coupled to paddlewheel driveshafts. Steering of the boat is accomplished by selective engaging and disengaging of the left and right couplings The frame comprises a steering column, an operator's seat support, rear hull spacing members and front hull spacing members which support the driveshafts. The couplings can be fully disengaged for releasing the driveshafts and permitting the front spacing members and driveshafts to pivot at the bottom of the steering column, along with the rear spacing members and seat support for forming a bundle of parallel members suitable for transport, preferably as a backpack

REFERENCES:
patent: 2253936 (1941-08-01), Karst
patent: 3148656 (1964-09-01), Schwarzer
patent: 3225733 (1965-12-01), Schwarzer
patent: 3327674 (1967-06-01), Schwarzer
patent: 4496325 (1985-01-01), Tweg
patent: 4648846 (1987-03-01), Hsu
patent: 4698034 (1987-10-01), Anthonijsz
patent: 4782777 (1988-11-01), Sussman
patent: 4938162 (1990-07-01), Hanlon
patent: 5174232 (1992-12-01), Boddy
patent: 5183422 (1993-02-01), Guiboche

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