Roller follower body

  • US 7,273,026 B2
  • Filed: 10/18/2002
  • Issued: 09/25/2007
  • Est. Priority Date: 10/18/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A roller follower body, comprising:

  • a) a forgeable material that has been cold formed to provide, at least in part, an outer surface, a first end, and a second end;

    b) the outer surface has, at least in part, been machined to include an undercut surface that is generally cylindrical in shape and provided with a reduced diameter relative to at least a portion of the outer surface;

    c) the undercut surface extends from the second end to a generally frusto-conical surface that is located adjacent to a generally cylindrical surface;

    d) a first cavity that has, at least in part, been cold formed into the first end to provide a first inner surface that includes;

    i) a first wall, a second wall, a third wall, a fourth wall, a first angled wall, a second angled wall, a third angled wall, and a fourth angled wall that extend axially into the first end from a first opening;

    ii) the first wall faces the second wall and is located adjacent to the first angled wall and the fourth angled wall;

    iii) the second wall faces the first wall and is located adjacent to the second angled wall and the third angled wall;

    iv) the third wall faces the fourth wall and terminates, at least in part, at a second curved surface;

    v) the fourth wall faces the third wall and terminates, at least in part, at a first curved surface; and

    e) a second cavity that has, at least in part, been cold formed into the second end to provide a second inner surface that is generally cylindrical in shape and generally concentric relative to at least a portion of the outer surface.

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