Gripper with four gripper jaws which can be moved in radially outward direction
CA 2356801 A1 · Owner: Demag Cranes & Components Gmbh · Inventors: Ostholt, Rudiger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A gripper, has a frame for movably guiding four radially movable gripper jaws in four, shafts which extend radially outwards. An arbor is disposed centrally between longitudinal carriers of the frame in parallel relationship thereto whereby , the arbor, at, least over a portion of its lengths is conically tapered downwardly and can be shifted, longitudinally by a piston-cylinder unit. The gripper jaws are spring biased radial, against the arbor, whereby the contact surfaces of the gripper jaws are configured in, conformity with the outer arbor surface. Each gripper jaw includes a plateshaped, central element and at least two parallel plate-shaped lateral elements which are, laterally …
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 September 4, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 4, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 2023.
- 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.