Safety system for a printing machine
CA 1286021 C · Owner: Lehnert, Michael · Inventors: Rodi, Anton; Lehnert, Michael; Muller, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Heidelberger Druckmaschinen Aktiengesellschaft Summary, In the case of a safety system for a printing machine which is equipped with at least one drive and brake device and an electronic control system the electronic, control system features power stages which permit electronic braking of the drive assembly and a, monitoring circuit, to which can he fed set and actual values of the speed of the drive assembly and which actuate the brake device in the case of impermissibly high deviation between set value and actual value. The accelerations and decelerations necessary during operation of the printing machine are achieved by corresponding control of the drive assembly.
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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- 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.