Selectorized dumbbell

  • US 6,416,446 B1
  • Filed: 02/08/1999
  • Issued: 07/09/2002
  • Est. Priority Date: 09/29/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An exercise dumbbell system, comprising:

  • a base assembly including a handle having a longitudinal axis;

    left and right weight plates disposed on opposite sides of said base assembly;

    a first means, connected to said base assembly, for securing said weight plates against axial movement relative to said base assembly;

    a second means, connected to said base assembly, for selectively securing a desired number of said weight plates against radial movement relative to said base assembly while said second means remains connected to said base assembly; and

    a knob rotatably mounted on said base assembly and connected to said second means in such a manner that said second means engages said desired number of weight plates in response to rotation of said knob.

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