Screwcapping device with torque limiting magnetic clutch

Details Screwcapping device with torque limiting magnetic clutch Screwcapping device with torque limiting magnetic clutch

1991-10-24

1993-03-30

Sipos, John

Package making

Closing packages and filled receptacles

Separate closure applying

533315, B65B 728

Patent

active

051972581

ABSTRACT:
A clutch adapted for use in a screwcapping device to apply a preselected amount of torque to the driven component having a pair of axially aligned circular cylinders of equal diameter each having a generally smooth engaging surface facing the other clutch cylinder. Each of the cylinders has cavities in the rear side for containing magnets. The magnets are secured in the cavities by means of a cured polymeric resin. The maximum torque provided by the clutch is controlled by using removable spacer disks of varying thicknesses and having a diameter equal to that of the cylinders positioned between the engaging surfaces. The spacer may have a slot extending from the radius to the periphery adapted to be positioned on a central spindle passing through the cylinders.

REFERENCES:
patent: 2309548 (1943-01-01), Stover
patent: 3964240 (1976-06-01), Evrard
patent: 4364218 (1982-12-01), Obrist
patent: 4485609 (1984-12-01), Kowal
patent: 4599846 (1986-07-01), Ellis et al.
patent: 4633646 (1987-01-01), Ellis et al.
patent: 4674264 (1987-06-01), Ellis et al.

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