Number | Date | Country | Kind |
---|---|---|---|
2-266267 | Oct 1990 | JPX | |
2-323284 | Nov 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4210371 | Gerkema et al. | Jul 1980 | |
4641332 | Gerkema | Feb 1987 | |
4644577 | Gerkema et al. | Feb 1987 | |
4677651 | Hartl et al. | Jun 1987 | |
4856039 | Roelandse et al. | Aug 1989 | |
5068885 | Vetter | Nov 1991 | |
5077775 | Vetter | Dec 1991 |
Number | Date | Country |
---|---|---|
0141475 | May 1985 | EPX |
373705 | Jun 1990 | EPX |
378273 | Jul 1990 | EPX |
378274 | Jul 1990 | EPX |
Entry |
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"The `Push-Pull` Spiral-Groove Bearing-a Thrust Bearing with Self-Adjusting Internal Preloading", Philips tech. Rev. 35, 11-14, 1975, No. 1; H. J. W. M. Volman. |