Dual spindle nut runner mechanism
CA 1257957 A · Owner: General Motors Corporation · Inventors: Monnier, David J.; Schmidt, Michael W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A machine tool has two nut runner spindle assemblies for tightening two threaded fasteners simultaneously. One nut runner spindle is maintained in a fixed position on a slide member which slidably supports the other nut runner spindle. The slide member is secured to a movable portion of a base or robot member so that the nut runner spindles can be positioned to engage with pairs of fasteners disposed at various center distances.
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 August 1, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 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.