Slip gripping mechanism
CA 1285474 C · Owner: Foster, Joe D. · Inventors: Baugh, John L.; Foster, Joe D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slip gripping mechanism is shown for supporting a string of cylindrical conduit within the interior bore of a circumscribing conduit. An elongate body has a plurality of spaced longitudinal slots at one end. Vertically shiftable slips are carried in the slots by side edges which engage mating profiles formed in the slots. The slots form guideways for the slips for shifting the slips upwardly and outwardly relative to the body between a set position engaging the circumscribing conduit and an unset position. Each slip has an arcuate lower surface and a selected width to thickness ratio to allow controlled flexing of the slip in the direction of the circumscribing conduit as the slip moves …
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 July 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2008.
- 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.