Cycle exerciser
CA 1308427 C · Owner: Tseng, Diing-Huang · Inventors: Tseng, Diing-Huang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
CYCLE EXERCISER", ABSTRACT OF THE DISCLOSURE A cycle exerciser having a one-way sprocket and a pair of one-way pinions disposed on a compound shaft. The one-way sprocket is rotated by pedaling mechanism through a chain. The one-way pinions are respectively rotated by a pair of lever arms through a respective toothed element and a connecting mechanism. The toothed element engages and rotates the one-way pinion. The connecting mechanism comprises a substantially cylindrical swivel block and a torsional spring. The swivel block has a rim portion for fixedly securing to the toothed element and a protruding swivel shaft for telescopically receiving one end portion of the lever arm. The …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.