Carriage safety and chain tensioning device for stretch wrap mac

Details Carriage safety and chain tensioning device for stretch wrap mac Carriage safety and chain tensioning device for stretch wrap mac

1986-10-02

1988-05-24

Sipos, John

Package making

Interrelated or safety controls

53556, 53587, 187 83, B65B 1104

Patent

active

047457260

ABSTRACT:
Apparatus for vertically regulating the dispensing height of stretchable wrapping material for stretch wrapping a load which comprises carriage means for varying the height of the carriage means between predetermined upper and lower positions, and safety means to prevent the fall of the carriage means to the lower position in the event of a failure of the height varying means. Also, a methods for preventing the accidental downward movement or falling of the carriage means in the event of a failure of the height regulating means which comprises providing safety means to grasp the frame means of a stretch wrapping apparatus when the height varying means breaks or fails.

REFERENCES:
patent: 579797 (1897-03-01), Gray
patent: 855646 (1907-06-01), Lehn
patent: 912173 (1909-02-01), Rowley
patent: 4458467 (1984-07-01), Shulman
patent: 4538706 (1985-09-01), Koppensteiner

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