Dispositif pour le vissage d'elements filetes avec un couple predetermine

Powered torque wrench - has pinion meshing via satellite gears with hollow wheel to stop motor by reversing at required torque

Abstract

The torque wrench has motor driven pinion /13/ meshing with satellite gears /15/, which, in turn mesh with hollow toothed wheel /20/. The hollow wheel /20/ operates with a brake mechanism, consisting of a swivelling arm /25/ with roller /23/. The arm is pivoting around point /35/. The arm is under pressure from rod /26/ loaded by spring /27/. The spring is fitted in bushing /28/, which also contains spring pressure adjusting device /26/. A sensor /34/ is resting against the arm /25/ and controls a solenoid valve which operates the stopping and starting of the motor.

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Cited By (5)

    Publication numberPublication dateAssigneeTitle
    EP-0239670-A2October 07, 1987C. & E. FEIN GmbH & Co.Machine motorisée avec réglage du couple, en particulier outillages électriques
    EP-0239670-A3July 20, 1988& E. Fein Gmbh & Co. C.Motor-driven machine with torque adjustment, in particular an electrical hand tool
    EP-0320723-A2June 21, 1989C. & E. FEIN GmbH & Co.Maschine mit variabler Drehmomenteinstellung
    EP-0320723-A3December 27, 1990C. & E. Fein Gmbh & Co.Machine with variable torque adjustment
    FR-2396626-A1February 02, 1979Totsu KatsuyukiAppareil de fixation pour le serrage de vis ou analogues