Intermittent sheet feed system in platen press
CA 1063544 A · Owner: J. Bobst And Fils S.A. · Inventors: Bron, Jean-Daniel; Gruetter, Walter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an intermittent sheet feeding system for platen presses. The system includes a pair of laterally spaced endless chains carrying sheet gripper bars a drive shaft carrying drive, sprockets for the endless chains and a pair of driven sprockets one, driven by each chain. Each of the driven sprockets is provided with an individual brake. The drive shaft is driven intermittently from a continuously rotating shaft through an appropriate mechanism including a unidirectional drive and the brakes are actuated by a programmer carried by the continuously rotating shaft so that they are actuated in the appropriate timed sequence with the intermittent drive.
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 October 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 2, 1996.
- 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.