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Expired Canadian patentCanada

Tool magazine with tool-change apparatus and workpiece magazine with workpiece-change apparatus

CA 1309735 C · Owner: Erowa Ag · Inventors: Schneider, Rudolf

CIPO record

Overview

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

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Abstract From the Canadian patent

The invention refers to a tool or workpiece storing magazine incorporating a tool- or workpiece-change apparatus adapted to remove a tool or a workpiece from the magazine and to transport the it into a machining apparatus, and to remove a tool or workpiece from the machining apparatus and to transport it back to the storing magazine, respectively. The system comprises a plurality of essentially disc-shaped tool or workpiece supporting members rotatably and coaxially arranged with reference to a first axis of rotation which receive and support a plurality of tools or workpieces along the periphery thereof. A transport arm is pivotally mounted on a second axis of rotation and longitudinally …

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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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 10, 1988
GrantedNovember 3, 1992
Term endedNovember 3, 2009
Patent numberCA 1309735 C
Classification (IPC)B23Q3/15 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJune 10, 1988Patent grantedNov 3, 1992Term endedNov 3, 2009

Sources & verification

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