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Expired Canadian patentCanada

Apparatus for converting a rotational movement into a reciprocating, linear lifting movement and vice versa

CA 1318155 C · Owner: Miller, Franz-Georg · Inventors: Miller, Franz-Georg

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

An apparatus for converting rotational movement into reciprocating lifting movement or vice versa comprises a, bearing body that incorporates a first cylindrical wall, section with first guide grooves a rotary element that is, supported on the bearing body so as to be able to rotate and that incorporates a second cylindrical wall section with second guide grooves that are arranged at an angle to the first guide grooves, a lifting element that is supported on the bearing body so as to move back and forth and that incorporates a third wall section, in which continuous bearing drillings with axes that are transverse to the lifting movement are arranged, and a force transfer system with driver …

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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 May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 13, 1989
GrantedMay 25, 1993
Term endedMay 25, 2010
Patent numberCA 1318155 C
Classification (IPC)F16H25/12 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedApril 13, 1989Patent grantedMay 25, 1993Term endedMay 25, 2010

Sources & verification

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