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Device for fixing external part to shaft

  • US 5,221,168 A
  • Filed: 06/20/1991
  • Issued: 06/22/1993
  • Est. Priority Date: 06/22/1990
  • Status: Expired due to Fees
First Claim
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1. A connection device comprising:

  • a shaft including a first end having a groove in a substantially axial direction on an outside radial surface of said shaft, said first end also including external threads;

    a nut having internal thread means for engaging with said external threads of said shaft, said nut having an engageable groove; and

    a washer defining a shaft opening and said shaft opening having an internal diameter substantially similar to an external diameter of said shaft, said washer including a nut engagement means for engaging said washer with said nut, said nut engagement means including a pawl engageable with said engageable groove of said nut, said washer also including shaft engagement means for engaging said washer with said shaft, said shaft engagement means including a tongue engageable with said groove of said shaft, said tongue having a circumferential edge positioned substantially along a central line of said pawl of said washer.

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