Hoisting apparatus
CA 1092626 A · Owner: Hallen, Jack R. · Inventors: Eriksson, Goran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to an apparatus for hoisting loads, such as pulp bales (2), particularly from a wharf into the hold of a ship and vice versa. The apparatus has a number of gripping devices (33) which by means of a, control mechanism, are automatically put into either an operative or an inoperative condition. According to the invention each gripping device has one or more gripping claws (37) which are arranged on one and the same level relative to a holder (4) for the device irrespective of whether the gripping claw is kept in the operative position or is remote from said position. Figure 2 is selected as the illustration.
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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 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.