Sley

Sley

  • CN 2,397,132 Y
  • Filed: 03/29/1999
  • Issued: 09/20/2000
  • Est. Priority Date: 03/29/1999
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of slay is made of the knob on the transmission nut on screw mandrel, the screw mandrel two ends, flexible chain link and the chain nodal plate, it is characterized in that the transmission nut on screw mandrel and the screw mandrel places in the reed frame of sealing, reed frame top axial is provided with level trough, level trough combines with translation fixture block on being fixed on the chain nodal plate, the reference column parallelogram of flexible chain link through each chain nodal plate two ends slides and rivets, there is corresponding convex arc at the edge of each chain nodal plate, fits mutually with each chain nodal plate edge of layer.

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