Buffering Apparatus
First Claim
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1. A treadmill comprising:
- an external frame;
an internal frame connected to the external frame;
a belt in the form of a loop supported on the internal frame; and
a buffering apparatus comprising;
a crossbar rotationally provided on the external frame between various positions; and
two buffer sets each comprising a plurality of buffering blocks made with different elastic coefficients so that a selected one of the buffering blocks is brought into contact with the internal frame when the crossbar is in a related one of the positions.
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Abstract
A treadmill includes an external frame, an internal frame connected to the external frame, a belt in the form of a loop supported on the internal frame and a buffering apparatus for buffering the internal frame. The buffering apparatus includes a crossbar and two buffer sets. The crossbar is rotationally provided on the external frame between various positions. Each of the buffer sets includes a plurality of buffering blocks made with different elastic coefficients so that a selected one of the buffering blocks is brought into contact with the internal frame when the crossbar is in a related one of the positions.
17 Citations
9 Claims
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1. A treadmill comprising:
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an external frame; an internal frame connected to the external frame; a belt in the form of a loop supported on the internal frame; and a buffering apparatus comprising; a crossbar rotationally provided on the external frame between various positions; and two buffer sets each comprising a plurality of buffering blocks made with different elastic coefficients so that a selected one of the buffering blocks is brought into contact with the internal frame when the crossbar is in a related one of the positions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification