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Expired Canadian patentCanada

Split-cam conveyor rollers

CA 1304036 C · Owner: Rapistan Demag Corp. · Inventors: Brouwer, Gerald A.

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

The specification discloses a split-cam conveyor roller assembly including a pair of eccentric rollers. rotatable relative one another between transportation and accumulation positions. A pin fixed in one roller is received within a circumferential slot in the other roller. A magnet is fixed at one end of the slot and the pin is, made of a ferrous material to aid in retaining the rollers in the transportation position.

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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 23, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 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.
FiledMay 29, 1989
GrantedJune 23, 1992
Term endedJune 23, 2009
Patent numberCA 1304036 C
Classification (IPC)B65G15/00 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedMay 29, 1989Patent grantedJune 23, 1992Term endedJune 23, 2009

Sources & verification

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