Oscillating band saw machine
CA 1205357 A · Owner: American Saw & Mfg. Company · Inventors: Howard, L. Brewster
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Band saw machines embodying this invention are especially adapted for cutting metal work pieces of extreme hardness and/or large cross-sectional size. The machines include a mechanism for oscillating or rocking the band saw relative to the work. The band saw is looped about an idler wheel and drive wheel spaced therefrom and a pair of spaced saw guide arms urge a span of the moving band saw against the work. In one embodiment of the invention, an eccentric drive oscillates the band saw housing and drive mechanism to cause the cutting angle of the blade to vary relative to the work for improved cutting efficiency and blade wear. In another embodiment a piston is provided in one of, the saw …
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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 June 3, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 3, 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.