Generating head
CA 1115096 A · Owner: Wawrzyniak, Walter W. · Inventors: Wawrzyniak, Walter W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Particularly compact generating head structure including a housing having an axis of rotation and adapted to be directly secured to a rotating spindle for rotation about the axis of rotation thereof, slides secured to an end face of the housing for movement transversely of the axis of rotation of the housing, an actuating member positioned within the housing for movement axially thereof having external helical cam teeth thereon an axially fixed, cam member positioned between the housing and actuating member for rotation relative thereto having internal helical cam teeth engaged with the helical cam teeth on the actuating member whereby on axial movement of the actuating member relative to …
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 December 29, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 1998.
- 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.