| 摘要 |
A load mechanism is intended for use in a body building device and is composed of a frame, a slide member mounted on the frame such that the slide member is capable of sliding back and forth between a first position and a second position along a fixed path, at least one resilient member fastened at both ends thereof with the slide member and the frame for holding the slide member at the first position, and at least one pull cord for actuating the slide member to slide on the frame toward the second position.
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