Nut

- Yugen Kaisha Ion Seiko

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Description

FIG. 1 is a top view of the nut;

FIG. 2 is a front view of the nut of FIG. 1 (rear side is a mirror image);

FIG. 3 is a left side view of the nut of FIG. 1 (right side is a mirror image);

FIG. 4 is a bottom view of the nut of FIG. 1;

FIG. 5 is a cross-sectional view of the nut as viewed from 5--5 of FIG. 2;

FIG. 6 is an enlarged view of the 6--6 portion of the nut of FIG. 2.

Referenced Cited
U.S. Patent Documents
D208429 August 1967 Holliday
D242219 November 1976 Ono
D262354 December 22, 1981 Kishida
443117 December 1890 Sharap
4936727 June 26, 1990 Kolvereid
Other references
  • Machine Design--The Fasteners Book; p. 136; Uni-Torque Locknut (Center), Sep. 29, 1960.
Patent History
Patent number: D424421
Type: Grant
Filed: Jan 25, 1999
Date of Patent: May 9, 2000
Assignee: Yugen Kaisha Ion Seiko (Osaka)
Inventor: Toru Ono (Izumi)
Primary Examiner: B. J. Bullock
Attorney: J.C. Patents
Application Number: 0/99,632
Classifications
Current U.S. Class: D/8397
International Classification: 0808;