Earth Drilling Device
AssigneeTRACTO-TECHNIK GmbH & Co. KG
InventorsPeter Graß, Martin Köper, Christian Löher, Sarah Mengeringhaus
Life of this patent
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Abstract
The invention relates to an earth drilling device with a housing, a percussion piston which can be moved back and forth in the housing and a supply line for an operating medium for moving the percussion piston, wherein the supply line is arranged at the end of the housing, and the end of the housing tapers backwards in the longitudinal direction, in particular conically, in the region of the supply line and at the end with the supply line there is a connection feature by means of an opening formed at the end which is at least partially radially accessible.
Claims15
An earth drilling device (1) having a housing (2), a percussion piston which can be moved back and forth in the housing (2) and a supply line (4) for an operating medium for moving the percussion piston, wherein the supply line (4) is arranged at the end of the housing (2), and the end (5) of the housing (2) tapers backwards in the longitudinal direction, in particular conically, in the region of the supply line (4) and a connection possibility is provided at the end (5) with the supply line (4) by means of an opening (6) formed at the end, which is at least partially radially accessible.
Dependencies are inferred from the claim text.