Global Patent Index - EP 0999921 A1

EP 0999921 A1 2000-05-17 - CLAMPING CHUCK

Title (en)

CLAMPING CHUCK

Title (de)

SPANNFUTTER MIT BOGENSTÜCK

Title (fr)

MANDRIN DE SERRAGE COMPORTANT UNE PIECE CINTREE

Publication

EP 0999921 A1 (DE)

Application

EP 97936598 A

Priority

DE 9701650 W

Abstract (en)

[origin: WO9906187A1] In clamping chucks, in particular quick clamping chucks for screwdriver shanks, a ball is normally used for blocking the tool rod, said ball acting on the rod end by the effect exerted by a clamping surface and blocks the shank inserted in the chuck. However, the use of balls as blocking devices causes problems when the clamping chuck is being produced and can bring about an alteration in its operational capacity, when it is subsequently used. For this reason, the invention proposes to produce said blocking element in the form of a bent part (9) resting in a wall slot (8) provided transversely relative to the longitudinal direction of the bushing (2) receiving the tool.

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

B25B 23/00

IPC 8 full level (invention and additional information)

B25B 23/00 (2006.01)

CPC (invention and additional information)

B25B 15/001 (2013.01); B25B 23/0035 (2013.01)

Citation (search report)

See references of WO 9906187A1

Designated contracting state (EPC)

BE CH DE DK FR GB IT LI NL

EPO simple patent family

WO 9906187 A1 19990211; DE 59706467 D1 20020328; DK 0999921 T3 20020527; EP 0999921 A1 20000517; EP 0999921 B1 20020220

INPADOC legal status


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2010-01-31 [BERE] BE: LAPSED

- Owner name: *USH SCHRAUBWERKZEUGFABRIK ULRICH SCHMIDT G.M.B.H.

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- Free text: USH SCHRAUBWERKZEUGFABRIK ULRICH SCHMIDTGMBH & CO. KG.#STERZENBACHER STRASSE 4#57271 HILCHENBACH (DE) -TRANSFER TO- USH SCHRAUBWERKZEUGFABRIK ULRICH SCHMIDTGMBH & CO. KG.#STERZENBACHER STRASSE 4#57271 HILCHENBACH (DE)

2003-02-12 [26N] NO OPPOSITION FILED

- Effective date: 20021121

2002-08-02 [ET] FR: TRANSLATION FILED

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2002-05-27 [REG DK T3] TRANSLATION OF EP PATENT

2002-05-15 [REG CH NV] NEW AGENT

- Representative's name: E. BLUM & CO. PATENTANWAELTE

2002-03-28 [REF] CORRESPONDS TO:

- Document: DE 59706467 20020328

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