ELLIPSOGRAPH

ELLIPSOGRAPH

  • CN 85,102,014 A
  • Filed: 04/01/1985
  • Published: 09/17/1986
  • Est. Priority Date: 04/01/1985
  • Status: Abandoned Application
First Claim
Patent Images

1. , can be accurately and the instrument in ellipse garden that draws easily, the pulley [6] that this instrument has a garden shape pedestal [2] and is attached thereto by long-armed [4].Pulley [6] is characterised in that:

  • A, pulley [6] can move freely on long-armed [4].Two times of differences with the last garden of garden shape pedestal [2] groove diameter of the diameter of b, the last garden of pulley [6] groove should equal the diameter of steel wire [5].

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