Cerf cycle

Details Cerf cycle Cerf cycle

1980-01-14

1982-04-06

Peters, Jr., Joseph F.

Marine propulsion

Operator powered drive for propelling means

Rotary cranking arm

74665GB, 74417, 114 61, 440 31, 440 63, F16H 3706

Patent

active

043233520

ABSTRACT:
A craft for travel upon a water surface, the craft including a frame mounted upon two spaced apart pontoons, a windshield, a two passenger seat, and a foot powered mechanism mounted on the frame, the mechanism including propellers mounted on foreward-rearwardly and upon sidewardly shafts so that the craft can travel in any direct or any combination of directions.

REFERENCES:
patent: D151382 (1948-10-01), Melton
patent: 3031692 (1962-05-01), Riek
patent: 3487805 (1970-01-01), Satterthwaite et al.
patent: 3517633 (1970-06-01), Wanzer
patent: 4089556 (1978-05-01), Stobar

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