Sheet carrier for tractor-feed printers
CA 1201458 A · Owner: Weston, Colin K. · Inventors: Weston, Colin K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Prior art methods of transporting sheets of paper such as letterhead sheets through tractor-feed printers have included the use of glue, and of vacuum to hold the, sheet onto a carrier. (The carrier has a series of holes along each of its edges characteristic of the tractor-feed system.) Pockets formed by folding the carrier have also been proposed. Disclosed is an improved carrier where the pockets are formed simply and inexpensively by the double thickness band caused by the overlapping of pieces of the carrier. This manner of forming the pockets lends itself to the provision of an endless-loop type of carrier since the, final joint between pieces can be made after the carrier has been …
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 March 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 2003.
- 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.