A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
273/83
A63B 69/06 (2006.01)
Patent
CA 1177502
ABSTRACT An adjustably geared flywheel equipped with a plurality of fan-type blades for use as a braking component for a stationary rowing unit. The flywheel has a hub equipped with a shaft, carrying at least one driving gear and a one-way clutch for engagement to drive the flywheel, from a starting position, in a positive stroke and dis- engaging to allow free reverse movement of the driving gear. A drive component for such a rowing unit includes a handle attached to one end of a drive chain, for engage- ment with the gear to propel the flywheel in a positive stroke and an elastic cord attached to the other end of the drive chain, for connection to the frame of the machine, to pull the chain, to the starting position, through a reverse stroke. A preferred flywheel essen- tially in the form of a bicycle wheel is provided with detachable blades each of which engages the rim and a spoke and a weighted tire. A blade of this type is a plate having an air-resistant surface bordered by first and second spaced-apart margins. The first margin is pro- vided with a recess shaped to engage the rim of the fly- wheel, the second margin is provided with a slot to engagably receive a spoke inboard of the rim whereby the plate is held in position to offer air-resistance when the flywheel is rotated.
448495
Dreissigacker Peter D.
Dreissigacker Richard A.
Williams Jonathan V.
Dreissigacker Peter D.
Dreissigacker Richard A.
Marcoux & Sher Swabey Mitchell Houle
Williams Jonathan V.
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