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Expired Canadian patentCanada

Load bearing oscillator drive

CA 1159676 A · Owner: Schuricht, Henry A. · Inventors: Schuricht, Henry A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

JLS:pm 9/18/80, Case 5790, LOAD BEARING OSCILLATOR DRIVE ABSTRACT OF THE DISCLOSURE, A drive to reciprocate a vertical support member such as a shaft includes a journal support assembly which carries a lower end of the shaft while allowing rotational movement of the shaft. Located above the support assembly and attached to the vertical member is a reciprocation arm having a cam guide attached to its outer end. A cam assembly including an eccentrically offset cam bearing is disposed within the cam guide. The cam assembly is operatively connected to a source of rotary power which when energized reciprocates the support member in a selective oscillating cycle. -i-

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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.
FiledOctober 13, 1981
GrantedJanuary 3, 1984
Term endedJanuary 3, 2001
Patent numberCA 1159676 A
Classification (IPC)F16H25/00 +2 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedOct 13, 1981Patent grantedJan 3, 1984Term endedJan 3, 2001

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.