Insertion machines
CA 1270471 C · Owner: Warden, Gerald D. · Inventors: Guenther, Kenneth L.; Warden, Gerald D.; Zemke, Edward H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insertion machine has a stationary table for holding inserts, and a linearly movable table for receiving and holding envelopes. The moving table jogs left or right to align the insert and envelope 80 that the insert may be pushed into the envelopes a parallelogram drive mechanism has a first pair of belt drives which form vertical parallel arms. As the table moves back and forth, the length of the parallel vertical drive mechanism does not change appreciably so that the ends of the vertical arms float up and down. There is no need for sliding gears, shafts, or the like to transfer power to the table. A second pair of belts drive the vertical belts from a stationary point at a center of …
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 June 19, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 2007.
- 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.