Scraper element for arrangement at the discharge end of a scraper device for conveyor belts
CA 2124596 C · Owner: Schwarze, Hans-Otto · Inventors: Schwarze, Hans-Otto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a stripping element (4) for placing on a system supportor carrier (3) of a stripping device (1) for the dis charge end of a conveyor belt (2) which has a stripping plate (8), which in the ready-to-operate position engages in stripping manner on the conveyor belt (2) a plate support (9), to whose upper end is fixed the stripping plate (8) a torsion spring joint (7) on which the plate support (9) is guided in pivotable and spring-loaded manner about a horizontal axis a base (6) on which is held the torsion spring joint (7) and which is placed on the system carrier (3) a vertical adjustment device (21,26; 44 51) for the vertical adjustment of the strip ping plate (8) …
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 May 26, 1994 and granted December 7, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 26, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2016.
- 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.