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US 6,146,318 AGranted
Push and pull type roller exerciser
AssigneesChin Tsun Lee, Chun Hsien Wu
InventorHui Kuei Kuo
Life of this patent
Estimating the term…
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.
Claims11
A exerciser comprising:
- a housing,
- a rod laterally secured to said housing and including two ends extended outward of said housing,
- at least one wheel rotatably secured in said housing at a pivot shaft and including a lower portion extended downward beyond said housing for engaging with a supporting surface, and
- means for limiting a rotational movement of said at least one wheel relative to said housing,
- wherein said at least one wheel includes a pinion secured thereto and rotated in concert therewith said rotational movement limiting means includes a gear rotatably secured in said housing and engaged with said pinion, and means for limiting a rotational movement of said gear relative to said housing.
2 more elements
Dependencies are inferred from the claim text.