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| Number | Title | Issue Date |
| 7715942 | Method for controlling a movable tool, input device and machine tool In the method for controlling a movable tool, in particular a grinding tool, by means of a feed function that specifies the movement of the tool in time in at least one axis, an initial feed function in the form of at least one initial feed curve (29) is disp... | 05/11/2010 |
| 7628676 | Machine tool for machining workpieces The invention relates to a machine tool for machining workpieces, comprising a workpiece holder. Said workpiece holder comprises a support, a workpiece spindle head mounted on a first side of the support, and a tailstock. Said tailstock is mounted on a second side o... | 12/08/2009 |
| 7573161 | Positioning device The positioning device includes at least one displaceable carriage, liquid slide bearings on which the carriage is displaceable, and a carriage drive. The latter includes a first linear motor including a first primary part and a first secondary part that is opposite... | 08/11/2009 |
| 7175506 | Tool unit for ultrasonically assisted rotary machining The tool unit for the ultrasonically assisted rotary machining of a workpiece comprises a converter (23) including at least one electroacoustic transducer (22) for generating and transmitting ultrasonic oscillations, a tool (30) that is coupled ... | 02/13/2007 |
| 6439974 | Workpiece holder for a machine tool The driving device for a circular grinding machine where the workpiece is driven between two stationary centers comprises a driven device allowing a removable attachment of a driver which is adapted to hold and turn the workpiece by means of elastic force... | 08/27/2002 |
| 5018309 | Universal grinder In the case of a universal grinding machine, it is provided that a workpiece spindle head, a grinding spindle head and a footstock are each constructed as separate constructional units which, by means of fixing devices, are fixed to the base, these fixing... | 05/28/1991 |
