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Thrust bearing to be used in a contaminated environment

  • US 6,280,092 B1
  • Filed: 07/08/1997
  • Issued: 08/28/2001
  • Est. Priority Date: 05/11/1993
  • Status: Expired due to Fees
First Claim
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1. A thrust bearing device in combination with a pasta maker or other dry powder contaminated environment comprising:

  • a cavity for receipt of dry powder materials;

    a rotating shaft carrying an axial thrust load extending into said cavity;

    a first plate coupled to and rotating with said rotating shaft and said first plate receiving said axial thrust load, and said first plate exposed to dry powder materials in said cavity; and

    a second plate in said cavity which does not rotate with said rotating shaft having a face contacting a face of said first plate, said second plate also exposed to dry powder materials in said cavity, whereby said thrust bearing device may support said axial thrust load while being exposed to dry powder materials through face-to-face contact between said plates; and

    wherein either the first plate or the second plate includes a concentric depression.

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