Tensioning apparatus
CA 1159708 A · Owner: Sperry Rand Corporation · Inventors: Eggers, Edward T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a crop roll forming machine having a mobile frame a pickup, a crop material conveying means a bale forming means, and a bale forming region defined generally by the bale forming means and the frame there is provided an improved tensioning apparatus for the bale forming means comprising spring means extensibly affixed to mounting means at a first end and connected to the bale forming means at a second end. The spring means further has easily adjustable tension adjustment means so that a resistive force to the extension of the spring means is generated in direct relationship to the adjustments made to the adjustment means: the resistive force being transmitted to the bale forming means at …
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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 January 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2001.
- 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.