Exercise rowing machine

Details Exercise rowing machine Exercise rowing machine

1986-07-07

1988-05-10

Apley, Richard J.

Undertaking

272130, A63B 2100

Patent

active

047430117

ABSTRACT:
An exercise rowing machine uses a flywheel as a resistance member and has cam sector arms which are pivoted to rotate with the machine's oars. A bicycle-type chain is pulled to drive a sprocket drive on the flywheel when the oars are stroked. The arcuate shape of the cam sector arms provides a constant resistance force to the stroke of the oars over the oar sweep. The position of the foot stretcher plate is adjustable. A shroud for the flywheel has an adjustable throttle or shutter to control air flow and thus adjust the amount of resistance.

REFERENCES:
patent: 1111269 (1914-09-01), Meart
patent: 1979716 (1934-11-01), Terry
patent: 3473843 (1967-12-01), Hart
patent: 3528653 (1970-09-01), Stuckenschneider et al.
patent: 3572700 (1971-03-01), Mastropaolo
patent: 4047715 (1977-09-01), Gjessing
patent: 4311305 (1982-01-01), Lambert et al.
patent: 4396188 (1983-08-01), Dreissigacker et al.
patent: 4533136 (1985-08-01), Smith et al.
patent: 4537396 (1985-08-01), Hooper

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