EP 0084676 A3 19840530 - TORQUE WRENCH, IN PARTICULAR FOR WHEEL NUTS
Title (en)
TORQUE WRENCH, IN PARTICULAR FOR WHEEL NUTS
Publication
Application
Priority
CH 49482 A 19820127
Abstract (en)
[origin: EP0084676A2] 1. Torque wrench especially for tightening and loosening wheel nuts of a motor vehicle, consisting of a bending bar (13) with a torque indicator bar (22) which is fastened to the latter on one side and which interacts with an acoustic signal generator (20) arranged on the bending bar (13), in such a way that the said signal generator (20) emits an acoustic signal when a predetermined torque is reached, characterized in that the acoustic signal generator (20) is surrounded by a housing (30) which is designed as a resonant body and which has a concavely curved wall part (38) for directional sound reflection and a sound emission orifice (40) located opposite the wall part (38).
IPC 1-7
IPC 8 full level
B25B 23/142 (2006.01)
CPC (source: EP)
B25B 13/06 (2013.01); B25B 23/1427 (2013.01); B25G 1/005 (2013.01)
Citation (search report)
- [X] US 2315521 A 19430406 - HART CHARLES W
- [X] US 2628497 A 19530217 - HART CHARLES W
- [A] FR 2230465 A1 19741220 - MOULINOUX ANDRE [FR]
- [A] FR 2209308 A5 19740628 - MASSON PERE ET FILS [FR]
- [A] DE 2259097 A1 19730614 - NAKAMURA SEISAKUSHO KK
Designated contracting state (EPC)
BE DE FR IT LU NL
DOCDB simple family (publication)
EP 0084676 A2 19830803; EP 0084676 A3 19840530; EP 0084676 B1 19870603; CH 654783 A5 19860314; DE 3276467 D1 19870709; DE 8236371 U1 19831020
DOCDB simple family (application)
EP 82111999 A 19821224; CH 49482 A 19820127; DE 3276467 T 19821224; DE 8236371 U 19821224