INTEGRAL AXLE CASING OF BICYCLE FRONT AXLE AND REAR AXLE

INTEGRAL AXLE CASING OF BICYCLE FRONT AXLE AND REAR AXLE

  • CN 2,126,165 U
  • Filed: 04/04/1992
  • Issued: 12/30/1992
  • Est. Priority Date: 04/04/1992
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of roll extrusion, punching press is in conjunction with axle housing before and after the integral type bicycle of processing, it includes beam barrel, bearing seat, the bar dish, the beam barrel that it is characterized in that this front and back axle housing, bearing seat, the bar dish is the one form, their beam barrel is to be symmetrical thin-wall curve tubular, the centre portion diameter is more small in ends, the bar dish at two ends is double-level-metal dishes of the thin-walled bending of uniform cylindrical void on and the circumference vertical with the beam barrel line of centers, the two end axles bearing all is the shallow cylindrical hole of concentric thin-wall, on the outer rim of a side bearing seat of carrier housing screw thread is arranged, the endoporus of bearing seat also has a stepped hole that cooperates with the axle bowl.

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