Exercising machine with variable resistance
CA 1256136 A · Owner: Nautilus Acquisition Corporation · Inventors: Jones, Arthur A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This exercising machine is particularly adapted for exercising the abdominal muscles of the user and is of a relatively lightweight construction adaptable for home use. The machine includes an exercising lever supported for pivotal movement in an arcuate path during each exercising movement and resistance force means is provided in the form of elongate resilient members. Variable numbers of the elongate resilient members are selectively connectable to the exercising lever for varying the amount of resistance force being applied to the exercising lever when it is moved by the user. A variable radius cam is interposed between the resistance force and the exercising lever so that the amount of …
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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 June 20, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 20, 2006.
- 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.