| All Patents in class 409/231 |
Patents 31 -
45
of 49
      |
| Number | Date | Patentee | Title | Type |
| 3,254,567 | Jun. 07, 1966 | J. Daugherty | Machine Tool Power Drawbolt | metalworking machine mechanisms |
| 3,259,020 | Jul. 05, 1966 | R.O. Walker | Machine Tool Quill Clamping Mechanism | metalworking machine mechanisms |
| 3,422,724 | Jan. 21, 1969 | F. Zankl, C.E. Mattson, R.E. Stobbe | Mechanism for Effecting Angular Orientation of a Machine Tool Spindle | milling machines |
| 3,429,224 | Feb. 25, 1969 | J.G. Osburn | Temperature Compensated Spindle Positioner | milling machines |
| 3,516,328 | Jun. 23, 1970 | S.E. Klabunde, G.H. Jones | Machine Tool With Longitudinally Adjustable and Hydraulically Clamped Rotary Machining Spindle | metalworking machine mechanisms |
| 3,520,228 | Jul. 14, 1970 | J.A. Wohfeil | Spindle Orienting and Drawbolt Malfunction Sensing Machine Tool Control System | machine tool controls |
| 3,540,346 | Nov. 17, 1970 | G.H. Jones | Machine Tool Having Longitudinally Adjustable Machining Spindle Hydraulically Clamped for Operation | metalworking machine mechanisms |
| 3,545,335 | Dec. 08, 1970 | R.A. Lehmkuhl | Spindle Clamp | metalworking machine mechanisms |
| 3,580,135 | May 25, 1971 | G.H. Jones | Clamping Apparatus for a Machine Tool | metalworking machine mechanisms |
| 3,698,725 | Oct. 17, 1972 | S.E. Klabunde | Hydrostatic Seal for Rotary Machine Tool Spindles | metalworking machine mechanisms |
| 4,077,736 | Mar. 07, 1978 | M.L. Hutchens | Drill Speeder for Machine Tools | milling machine accessories |
| 4,356,609 | Nov. 02, 1982 | K.A. Wollermann | Spindle Keylock | metalworking machine mechanisms |
| 4,449,866 | May 22, 1984 | R.E. Stobbe, E.R. Lohneis | Servo-controlled Spindle Drive System | metalworking machine mechanisms |
| 4,514,123 | Apr. 30, 1985 | E.E. Kirkham, R. Johnstone | Adaptive Control System for Machine Tool or the Like | machine tool controls |
| 4,604,008 | Aug. 05, 1986 | K.F. Bone | Metal Working Machine Having Polygon Tool Support Bar | metalworking machine mechanisms |
