Buoys – rafts – and aquatic devices – Buoy – Having means to control attitude or position
Reexamination Certificate
2007-09-04
2007-09-04
Sotelo, Jesús D. (Department: 3617)
Buoys, rafts, and aquatic devices
Buoy
Having means to control attitude or position
C440S021000
Reexamination Certificate
active
10714956
ABSTRACT:
The present invention relates to an accessory system simulating the biomechanical motion of manual paddling such as with a canoe or small boat. The system comprises: a watercraft attaching portion having width-adjusting members, an array of levers and members, paddle attaching members, a pedal system, and linkage therebetween, all forming a mechanical structure adapted to simulate the biomechanical motion commonly used by manual-propulsion watercraft operators.
REFERENCES:
patent: 1726239 (1929-08-01), Ruff
patent: 3259098 (1966-07-01), Knaver
patent: 4353703 (1982-10-01), d'Elloy
patent: 4960396 (1990-10-01), Stolzer
patent: 5584732 (1996-12-01), Owen
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