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Expired Canadian patentCanada

Robot wrist

CA 1315322 C · Owner: Rosheim, Mark E. · Inventors: Rosheim, Mark E.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A drive mecanism (62) for driving a, mechanical joint (10) that includes first and second gimbal assemblies (14, 16) rotatably mounted within the interior of a support (18) and includes a decoupling mechanism (70, 72) in slidable engagement with the support (18) for effecting movement of the joint (10) in a compound yaw and pitch motion includes a yaw drive member (66) having a gear surface (82) in engagement with a drive shaft (84) having a beveled gear end portion (80) arranged to engage the gear surface (82). A pitch drive member (68) includes a gear surface (78) in engagement with a bevel gear end portion (76) of a second drive shaft (74). Both yaw and pitch drive members (66 68) are, …

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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 March 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 30, 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.
FiledJuly 11, 1989
GrantedMarch 30, 1993
Term endedMarch 30, 2010
Patent numberCA 1315322 C
Classification (IPC)B25J17/02

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJuly 11, 1989Patent grantedMarch 30, 1993Term endedMarch 30, 2010

Sources & verification

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