Accumulator grapple for use in a grapple skidder
CA 1077087 A · Owner: Logging Development Corporation · Inventors: Palfy, Robert M.; Sneberk, Slavoj M.R.; Hamilton, Douglas D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A grapple skidder having an accumulator type grapple which includes two grapples disposed in close side-by-side relation on a frame and aligned for grasping the trunk of one or more trees. The frame has means thereon for freely suspending the same from a support associated with means for dragging trees grasped by the accumulator type grapple. A first one of the grapples on the frame consists of a pair of arms pivotally mounted on the frame and controllably moved by a power actuator connected thereto and the second one of the grapples is arranged to grasp and retain the trees in the jaws of the first grapple while the latter is opened to grasp further trees. The second grapple includes a …
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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 6, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 6, 1997.
- 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.