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US 8,911,336 B2Granted
Exercise apparatus
AssigneeBody Action Enterprise Co., Ltd.
InventorYung-Chi Chiu
Life of this patent
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Abstract
An exercise apparatus is provided and includes a seat, a curved track, a linker, a backrest, and a replacing force means. The curved track is connected to the seat. A first end of the linker is slidably mounted on the curved track. An end of the backrest is pivotally connected to the seat, and a second end of the linker opposite the first end is pivotally connected to the backrest. An elastic member is used for providing a returning force to return the backrest to a first position.
Claims11
An exercise apparatus, comprising:
- a seat;
- a curved track connected to the seat, wherein the curved track is fixed under the seat and is gradually curved and extended toward a vertical direction;
- a linker having a first end and a second end, wherein the first end of the linker is slidably mounted on the curved track, and a distance between the seat and the first end of linker is changeable;
- a backrest, wherein an end of the backrest is pivotally connected to the seat, and the second end of the linker is pivotally connected to the backrest;
- and
- a replacing force means for providing a returning force to return the backrest to a first position.
3 more elements
The exercise apparatus according to claim wherein:
- the curved track has at least one curved surface;
- and
- the first end of the linker has a saddle mounted on the curved track, the saddle further comprises:
- at least one rolling wheel pivotally disposed in the saddle and rollably abutted against the curved surface.
1 more element
Dependencies are inferred from the claim text.