Global Patent Index - EP 1956183 B1

EP 1956183 B1 20090729 - Chuck head for a rod element

Title (en)

Chuck head for a rod element

Title (de)

Spannkopf für ein Gestängeelement

Title (fr)

Tête de serrage pour un élément de tiges

Publication

EP 1956183 B1 20090729 (DE)

Application

EP 07400003 A 20070130

Priority

EP 07400003 A 20070130

Abstract (en)

[origin: EP1956183A1] The clamping head (10) has a clamping element (12) to clamp the rod element (5) radially to rod axle (6). A lifting unit (30) produces an axial lifting movement and a wedge-shape sliding mechanism (50) is formed by actuating rod (52). The actuating rod is supported movable diagonally to rod axis that id equipped with a guide bore (54). The actuating rod is connected at an end with the lifting unit and the other end has a clamping unit. An independent claim is also included for a drilling device with drilling drive.

IPC 8 full level

E21B 19/10 (2006.01)

CPC (source: EP)

E21B 19/07 (2013.01); E21B 19/16 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1956183 A1 20080813; EP 1956183 B1 20090729; AT E438019 T1 20090815; DE 502007001181 D1 20090910; ES 2328979 T3 20091119

DOCDB simple family (application)

EP 07400003 A 20070130; AT 07400003 T 20070130; DE 502007001181 T 20070130; ES 07400003 T 20070130