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Rotary member having a cover securing structure

  • US 5,816,733 A
  • Filed: 11/26/1996
  • Issued: 10/06/1998
  • Est. Priority Date: 11/29/1995
  • Status: Expired due to Term
First Claim
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1. A rotary member, comprising:

  • a cylindrical member;

    a cover;

    plural engaging projections projecting from a contact surface of said cover brought into contact with an end surface of said cylindrical member, each engaging projection having a hook portion at a leading end thereof;

    locating projections projecting from said contact surface, said locating projections including erect parallel arms spaced apart from one another to define a gap;

    engaging projection accommodating grooves formed in the end surface of said cylindrical member at positions corresponding to said engaging projections so as to accommodate and be engaged with said engaging projections; and

    locating projection accommodating grooves formed in the end surface of said cylindrical member at positions corresponding to said locating projections so as to accommodate said locating projections, said locating projection accommodating grooves including a rib engageable in the gap between said arms of said locating projections.

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