Inventor
HIRT HARTMUT
DE5 patents
Patents
5 patentsUS5368420ANov 29, 1994
Rotating drill head with a boring bar which is pivotable by a slight distance vertically to the axis of rotation by fluidic means
SAMSON AG18 citations71
US5116171AMay 26, 1992
Pressure controlled cutter bit retainer with precision adjustable cutter bit
SAMSON AG11 citations71
US5713703AFeb 3, 1998
Pressure controlled cutter bit retainer with precision adjustable cutter bit
SAMSON AG4 citations60
US5033918AJul 23, 1991
Device for fine adjustment of the turning tool bit of a rotating radial adjustment head
SAMSON AG6 citations60
US6579046B2Jun 17, 2003
Tool head
SAMSON AG4 citations59