Patent Yard Sign in
Expired Canadian patentCanada

Carriage assembly

CA 1198814 A · Owner: Magnetic Peripherals Inc. · Inventors: Newberry, Alfred L.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A carriage assembly has a carriage frame which supports a transducer for reading and/or writing on a recording medium. The carriage frame is slideably supported upon support members for rectilinear movement with respect to the recording medium. The carriage assembly includes an auxiliary mass slideably supported upon a support rod of a support framework secured to the carriage frame. The auxiliary mass is slideably mounted on the support rod between elastomeric spring dampers disposed at opposite ends of the mass. The carriage assembly is driven by a flexible band which is secured at its ends to the carriage frame and is in wrapped engagement with the drive shaft of a stepper motor. The …

Read the whole patent

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 December 31, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 9, 1983
GrantedDecember 31, 1985
Term endedDecember 31, 2002
Patent numberCA 1198814 A
Classification (IPC)G11B21/02 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedDec 9, 1983Patent grantedDec 31, 1985Term endedDec 31, 2002

Sources & verification

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