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OVERSPEED INDICATOR FOR A ROTATABLE SHAFT

  • US 3,807,348 A
  • Filed: 05/24/1973
  • Issued: 04/30/1974
  • Est. Priority Date: 05/24/1973
  • Status: Expired due to Term
First Claim
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1. An overspeed indicator for a rotatable shaft comprising:

  • a disc-like body of frangible material having means to attach said body to the shaft for rotation therewith about a common axis;

    said body having a weakened portion defining a tab which is dislocatable by centrifugal force in response to rotation above a predetermined speed.

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