Retractable link for pedal-driven apparatus
OwnerChao-Chuan Cheninventor
Life of this patent
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Abstract
A retractable link is mounted on a pedal-driven apparatus, which is comprised of a pedal and a transmission axle, and is connected between the pedal and the transmission axle. The retractable link includes a first elongated link element having a sliding groove extended along its long axle, a second elongated link element longitudinally slidably mounted in the sliding groove, and lock means for locking the second elongated link element to the first elongated link element.
Claims10
A retractable link mounted on a pedal-driven apparatus, said pedal-driven apparatus having a pedal and a transmission axle, said retractable link having two ends respectively connected with said transmission axle and said pedal, said retractable link comprising:
- a first elongated link element having a sliding groove formed along a long axle thereof;
- a second elongated link element slidably mounted in said sliding groove of said first elongated link element;
- and
- lock means for locking said second elongated link element to said first elongated link element.
A pedal-driven apparatus comprising a main body, a seat mounted at a top side of said main body, and a transmission mechanism mounted at a bottom side of said main body, said transmission mechanism having a rotary member and a retractable link, said rotary member having a transmission axle, said retractable link having two ends respectively connected with said transmission axle and a pedal, said retractable link comprising:
- a first elongated link element having a sliding groove formed along a long axle thereof;
- a second elongated link element slidably mounted in said sliding groove of said first elongated link element;
- and
- lock means for locking said second elongated link element to said first elongated link element.
Dependencies are inferred from the claim text.