Global Patent Index - EP 0884138 A3

EP 0884138 A3 2002-11-20 - Hammer drill

Title (en)

Hammer drill

Title (de)

Bohrhammer

Title (fr)

Marteau piqueur

Publication

EP 0884138 A3 (DE)

Application

EP 98108228 A

Priority

DE 19724531 A

Abstract (en)

[origin: EP0884138A2] The striker (17) has a guide pipe (12) axially movable in relation to the tool-pressure and rotationally mounted in relation to the machine housing (11). The guide pipe has at least one ventilation opening (36) which is opened for ventilating an air cushion (22) when the striker is idling. The ventilation opening is covered by a closure piece (37) after the axial displacement of the guide pipe. The closure piece supports locking teeth (67) and is formed by a multifunctional sleeve (25) enclosing the guide pipe as a separate component.

IPC 1-7 (main, further and additional classification)

B25D 11/00; B25D 16/00; B25D 17/06

IPC 8 full level (invention and additional information)

B23B 45/16 (2006.01); B25D 16/00 (2006.01)

CPC (invention and additional information)

B25D 16/006 (2013.01); B25D 2216/0023 (2013.01); B25D 2216/0069 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 0884138 A2 19981216; EP 0884138 A3 20021120; EP 0884138 B1 20060802; CN 1094553 C 20021120; CN 1201864 A 19981216; DE 19724531 A1 19981217; DE 19724531 B4 20050714; DE 59813670 D1 20060914

INPADOC legal status


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2007-07-11 [26N] NO OPPOSITION FILED

- Effective date: 20070503

2007-02-09 [ET] FR: TRANSLATION FILED

2006-11-29 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20061103

2006-09-14 [REF] CORRESPONDS TO:

- Document: DE 59813670 P 20060914

2006-08-31 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2006-08-31 [REG CH NV] NEW AGENT

- Representative's name: SCINTILLA AG, DIREKTION

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