Telescoping polygonal steering column
CA 1235980 A · Owner: Allied Corporation · Inventors: Parks, Kevin B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A steering column comprises inner and outer hexagonal-shaped shafts (12, 16), the inner shaft (12) being disposed within a bore (14) of the outer shaft (16). A mechanism for eliminating lost motion or "lash" between the two shafts comprises a plurality of slots (20) located in the outer shaft (16), the slots being circumferentially offset relative to one another. Wedges (22 23) are, located in respective slots (20) and abut corresponding polygonal surfaces of the inner shaft (12) with a collar, (28) telescoped over the inner and outer shafts and having inclined ramps (30) at the interior thereof in alignment with respective wedges (22, 23) and slots (20) the ramps, loading and causing …
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 May 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
- 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.