Package making – Means to feed cover material – Continuous web cover material
Patent
1998-06-15
1999-12-07
Kim, Eugene L.
Package making
Means to feed cover material
Continuous web cover material
533894, 533895, 242418, B65B 4112
Patent
active
059963123
ABSTRACT:
A tension adjusting device for a packing machine using plastic film includes a shaft with a plastic film roll mounted thereto which is pressed by a press member. An axle extends centrally from the press member and is connected to a plate which extends radially and outwardly from a first rotatable rod. The shaft has an end member with which a belt is engaged which has a first end fixedly connected to a first fixed position. A first gear is fixedly connected to the first rotatable rod and a second rotatable rod is located in parallel with the first rotatable rod with a second gear connected to the second rotatable rod and engaged with the first gear. A third gear is connected to the second rotatable rod and has a chain engaged therewith which has one end thereof fixedly connected to a second fixed position and the other end thereof connected to a second end of the belt via a spring so that when the third gear is rotated, the belt is loosened or tightened.
REFERENCES:
patent: 3718354 (1973-02-01), Lemmen
patent: 3809334 (1974-05-01), Beurer et al.
patent: 3901002 (1975-08-01), Vetter
patent: 4431142 (1984-02-01), Kataoka
patent: 4604855 (1986-08-01), Krone et al.
patent: 4691503 (1987-09-01), Frerich
patent: 5611194 (1997-03-01), Wildmoser
Kim Eugene L.
Tai E International Patent and Law Office
Warren, Jr. Sanford E.
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