Linking element with screw jack and its use for an industrial robot arm
CA 2307291 A1 · Owner: Commissariat A L'Energie Atomique · Inventors: Jouan De Kervenoael, Tanguy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns an element linking two parts (A B) ensuring their being maintained at a specific but adjustable spacing comprising a screw (1) and nut (9) jack. The extension of the arm is controlled by a motor (16). Universal joints (2 22) are arranged between the two parts and respectively between the screw and the nut and the axes of rotation (24, 26) of one of the universal joints passes through the centre (0) of the nut: if as a result of free motions, the screw comes askew in the nut the latter tilts over freely until its axis merges with that of the screw thereby eliminating the bending load resulting from the offset on the screw. Said element can be used to adjust the angle …
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
- Filed August 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 18, 2021.
- 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.