Safety clutch for card-machine machines (Machine-translation by Google Translate, not legally binding)

摘要

Safety clutch for boring machines, characterized by being composed of a hub fixed to the shaft of one of the feeder cylinders of the boring machine, in whose hub is mounted a drive gear with a drill with a conical section made at 90º in its inner wall, into which the conical end of a blunt vertex of a safety device, housed in a cavity perpendicular to the axis of rotation, pressed against said wall by means of a spring located at the lower end of said safety which escapes from the interior of the referred to drill, disengaging, when the two cylinders feeders of the machine find a resistance higher than the normal offered by the material to be worked and that is transmitted to said element overcoming the pressure of the pressing spring of the indicated safe. (Machine-translation by Google Translate, not legally binding)