| Patent Number |
Title Of Patent |
Date Issued |
| 6579046 |
Tool head |
June 17, 2003 |
| The invention involves a tool head 10, which can be rotated around an axis of rotation 24, with a tool-holding fixture 14, 16 for a tool 20 having a cutting edge 18 and with equipment 38, 40, 44 for adjustment of the radial position of the tool cutting edge 18 with regard to the axis of |
| 5713703 |
Pressure controlled cutter bit retainer with precision adjustable cutter bit |
February 3, 1998 |
| A pressure controlled cutter bit or drill bit retainer in the form of a revolving drill head with hydraulic precision adjustment of the drill bit arranged at a central extension, which is displaceable from its original position by small amounts around a pivot axis by a pressure motor, wh |
| 5368420 |
Rotating drill head with a boring bar which is pivotable by a slight distance vertically to the |
November 29, 1994 |
| A cutting chisel holder which is controlled by pressure and constructed as a rotary drill head which can be precisely adjusted by hydraulic means has a cutting chisel, which can be clamped in, with a base and a driven member which is movable relative to the base, and has a pressure chamb |
| 5116171 |
Pressure controlled cutter bit retainer with precision adjustable cutter bit |
May 26, 1992 |
| A pressure controlled cutter bit or drill bit retainer in the form of a revolving drill head with hydraulic precision adjustment of the drill bit arranged at a central extension, which is displaceable from its original position by small amounts around a pivot axis by a pressure motor, wh |
| 5033918 |
Device for fine adjustment of the turning tool bit of a rotating radial adjustment head |
July 23, 1991 |
| A fine adjustment device for turning tool bits in the form of a pneumatic/hydraulic converter for converting of control signals into proportional actuating or adjusting forces with a combination of an oil pump and pneumatically controlled overflow valve, whose outlet pressure is adju |
