One-way clutch energizing spring
CA 1307216 C · Owner: Borg-Warner Automotive, Inc. · Inventors: Carey, James R.; Ferfecki, Frank J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An energizing spring (21) utilized for a one-way clutch (10); such as a sprag clutch, wherein the spring includes a resilient high tensile spring steel metal cage or ring having parallel side bars joined by cross bars (24) to define a plurality of openings with tapered inwardly extending tabs, both the tabs and the side bars having transverse wrinkles or depressions therein. This energizing spring cooperates with a set of generally rigid inner (11) and outer (12) circular cages between the inner and outer races, these cages having openings corresponding to the spring openings to receive sprags which engage the inner and outer races.
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 September 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.