Push and pull type roller exerciser

Details Push and pull type roller exerciser Push and pull type roller exerciser

1999-07-01

2000-11-14

Donnelly, Jerome

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing force resistance generated by user only

A63B 2122

Patent

active

061463183

ABSTRACT:
An exerciser includes a rod laterally secured in a housing and having two ends extended outward of the housing. One or more wheels are rotatably secured in the housing and include a lower portion extended downward beyond the housing for engaging with a supporting surface. A pinion is secured to the wheel. A gear is rotatably secured in the housing and engaged with the pinion. One or more springs are secured between the gear and the housing for recovering the gear and may limit the rotational movement of the gear relative to the housing.

REFERENCES:
patent: 3403906 (1968-10-01), Burzenski
patent: 3616794 (1971-11-01), Gromala
patent: 3708164 (1973-01-01), Griffin
patent: 3752475 (1973-08-01), Ott
patent: 4136867 (1979-01-01), Wikin
patent: 4339127 (1982-07-01), Mitchell
patent: 5707325 (1998-01-01), Chiou

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