Ball and socket spring coupler
CA 1309958 C · Owner: Automatic Spring Coiling Co. · Inventors: Heyser, William M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A helical coil spring coupler for clutch dampers used in torque converters or clutches wherein the coil springs are, compressed in series alignment end-to-end in an arcuate channel. Each coil spring-tocoil spring interface has a ball and socket coupling attached to the springs and, providing force transmission axially through each coil. The spring end coils are fully supported by a flange of the couplings; preventing spring end coil breakage.
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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.