Global Patent Index - EP 1038638 A1

EP 1038638 A1 2000-09-27 - TORQUE WRENCH

Title (en)

TORQUE WRENCH

Title (de)

Drehmomentschlüssel

Title (fr)

CLE DYNAMOMETRIQUE

Publication

EP 1038638 A1 (DE)

Application

EP 00105397 A

Priority

DE 19912837 A

Abstract (en)

A signal is transmitted by a wrench force sensor (42) and a workpiece identification device (36) generates an identification signal, both of these signals being sent to a control device (40). The wrench force signal is compared in the control device with at least one pre-determined or pre-determinable reference signal, and then based on the information from the wrench force and identification signals, the device generates a screw force control signal. An Independent claim is also included for the testing method using this wrench.

Abstract (de)

Die Erfindung betrifft einen Drehmomentschlüssel (50) zur Prüfung eines Drehmoments bei einem Schraubvorgang an einem Werkstück mit einem Drehmomentsensor (66) zur Ausgabe eines Drehmomentsignals, einer Werkstückidentifizierungseinrichtung (36) zur Erzeugung eines Identifizierungssignals, das dem jeweiligen Werkstücken zugeordnet ist, und einer Steuereinrichtung (40), die mit dem Drehmomentsensor (66) und der Werkstückidentifizierungseinrichtung (36) in Signalverbindung steht, wobei die Steuereinrichtung (40) zu einem Vergleich des Drehmomentsignals mit zumindest einem vorbestimmten oder vorbestimmbaren Referenzdrehmomentsignal und zu einer Erzeugung eines Verschraubungskontrollsignals auf Grundlage des Identifizierungssignal und dem Drehmomentsignalvergleich ausgelegt ist. <IMAGE>

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

B25B 23/142

IPC 8 full level (invention and additional information)

B25B 23/142 (2006.01); B25B 23/151 (2006.01)

CPC (invention and additional information)

B25B 23/1425 (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 1038638 A1 20000927; EP 1038638 B1 20020828; AT 222840 T 20020915; DE 19912837 A1 20001026; DE 19912837 C2 20010419; ES 2178619 T3 20030101

INPADOC legal status


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