Number | Date | Country | Kind |
---|---|---|---|
12-013085 | May 2000 | JP |
Number | Name | Date | Kind |
---|---|---|---|
32880 | Lawrence et al. | Jul 1861 | |
433730 | Harker | Jul 1890 | |
843656 | Andersen | Feb 1907 | |
5092725 | Aittama | Mar 1992 | |
5618145 | Kuo | Apr 1997 |
Entry |
---|
Machine Design—The Fasteners Book; p. 133; Shakeproof locknut w/flange, Sep. 29, 1960.* |
Machine Design—The Fasteners Book; p. 138; RH nut, Sep. 29, 1960. |