EP 0469356 B1 19931020 - Tool holder for hammer drills.
Title (en)
Tool holder for hammer drills.
Title (de)
Werkzeughalter für Bohrhämmer.
Title (fr)
Porte outil pour des marteaux perforateurs.
Publication
Application
Priority
DE 9011315 U 19900802
Abstract (en)
[origin: EP0469356A1] The proposed tool holder has the advantage that accurate round holes can be made with it, using a hammer drill, even if the tool-holding fixture is deflected. For this purpose, the transmission of the precursive-mechanism action is suppressed and a tool holder (28) is fixed to the collar (29) of the hammer drill and centred. A drill chuck (28), arranged in the extension of the tool-holding fixture (4) of the hammer drill and connected to the rotary drive of the hammer, ensures exact concentric running of the inserted drilling tool. <IMAGE>
IPC 1-7
IPC 8 full level
B23Q 3/12 (2006.01); B23B 45/16 (2006.01); B25D 17/00 (2006.01); B25D 17/08 (2006.01)
CPC (source: EP)
B25D 17/005 (2013.01); B25D 17/08 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI
DOCDB simple family (publication)
EP 0469356 A1 19920205; EP 0469356 B1 19931020; DE 59100501 D1 19931125; DE 9011315 U1 19911128; JP 3100681 B2 20001016; JP H04360740 A 19921214
DOCDB simple family (application)
EP 91111530 A 19910711; DE 59100501 T 19910711; DE 9011315 U 19900802; JP 18967891 A 19910730