Patents Assigned to Groupements d'Interets Economiques Europe-Levage-Manutention (ELMA)
  • Automatic anti-fall device for manual or motorized lifting systems
    Patent number: 4254941
    Abstract: The device is adapted to be used in a manual or motorized lifting system comprises a self-tightening jaw-block which normally lets a lifting or an auxiliary cable pass through it, whereby a releasing device, by an excessive speed of the cable relatively to the jaw-block, lets jaws clamp the cable and an interrupter stop the motors.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: March 10, 1981
    Assignee: Groupements d'Interets Economiques Europe-Levage-Manutention (ELMA)
    Inventor: Rodolphe Tanson