| All Patents in class 409/233 |
Patents 16 -
30
of 37
      |
| Number | Date | Patentee | Title | Type |
| 3,262,369 | Jul. 26, 1966 | T.W. Piotrowski | Machine Tool Power Drawbolt Mechanism | metalworking machine mechanisms |
| 3,288,032 | Nov. 29, 1966 | H.E. Shelley, E. Park, E. Pankonin | Tool Changing Apparatus for Milling Machines and the Like | milling machine accessories |
| 3,311,024 | Mar. 28, 1967 | J. Daugherty | Rotary Actuator Power Drawbolt for Machine Tool Spindles | metalworking machine mechanisms |
| 3,323,419 | Jun. 06, 1967 | K.A. Riedel | Spindle Chuck Device | milling machines |
| 3,372,951 | Mar. 12, 1968 | R.M. McCash | Tool Adapter for Reciprocating Drawbolt Connection | milling machines |
| 3,466,971 | Sep. 16, 1969 | H.F. Meyer | Tool holder | tool changers and storage mechanisms |
| 3,516,149 | Jun. 23, 1970 | G. Mickas | Machining Apparatus with Automatic Tool Changing Means | tool changers and storage mechanisms |
| 3,520,228 | Jul. 14, 1970 | J.A. Wohfeil | Spindle Orienting and Drawbolt Malfunction Sensing Machine Tool Control System | machine tool controls |
| 3,568,566 | Mar. 09, 1971 | M. Weidig | Tool Spindle Mechanism | metalworking machine tool holders |
| 3,753,383 | Aug. 21, 1973 | F.L. Schmidt | Power Operated Drawbolt | metalworking machine mechanisms |
| 3,818,797 | Jun. 25, 1974 | W.D. Zettler | Drawbolt for Machine Tool Spindles | metalworking machine mechanisms |
| 3,823,642 | Jul. 16, 1974 | R.A. Jerue | Power draw bolt | metalworking machine mechanisms |
| 4,135,848 | Jan. 23, 1979 | J.W. Turner, T.F. Lis, J.J. Hughes, J.P. Bliss | Toolholder Clamp for Machine Tools | metalworking machine tool holders |
| 4,199,286 | Apr. 22, 1980 | E.E. Kirkham | Power Drawbolt With Planetary Drive | metalworking machine mechanisms |
| 4,303,360 | Dec. 01, 1981 | J.T. Janeczko, D.J. Cayen | Power Drawfinger System for Machine Tool Spindle | metalworking machine mechanisms |
