Housing for holding a supply roll of large round bale wrap mater

Details Housing for holding a supply roll of large round bale wrap mater Housing for holding a supply roll of large round bale wrap mater

1991-12-17

1993-01-26

Sipos, John

Package making

Partial cover application

Band or tube

533893, 53118, 533892, 242 5553, 242 586, 242 687, 242 754, B65B 1104

Patent

active

051813688

ABSTRACT:
A large round baler is equipped with a wrapping mechanism for applying a web of plastic material to a bale located in the bale-forming chamber. The wrapping mechanism includes a housing including a cover mounted to the rear of the discharge gate of the baler for pivoting vertically, about a first horizontal transverse axis at an upper forward location of the cover, between a lowered closed position, wherein it encloses a roll of wrap material resting on a pair of roll end supports, and a raised position permitting access to the roll end supports. A pair of gas springs are coupled between opposite side walls of the cover and spaced apart crank arms of a load member which is vertically pivotally supported from the gate for swinging about a second horizontal transverse axis located slightly below and rearwardly of the first axis. The disposition of the gas springs relative to the first and second axes is such that the springs act to maintain a load bar of the load member urged into contact with a roll of wrap material supported on the roll end supports when the cover is in its closed position and acts to pivot the load member so as to dispose the load bar thereof in a raised inoperative position in response to the cover being raised to its open position, the springs also acting to maintain the cover in its raised position.

REFERENCES:
patent: 2570941 (1951-10-01), Grigsby
patent: 2601956 (1952-07-01), Birr
patent: 2656050 (1953-10-01), Best
patent: 3245633 (1966-04-01), Madel
patent: 3296780 (1967-01-01), Revell
patent: 3834637 (1974-09-01), Reed
patent: 3920136 (1975-11-01), Talbert
patent: 4176801 (1979-12-01), Douglas
patent: 4604848 (1986-08-01), Clostermeyer
patent: 4995216 (1991-02-01), Vansteelant

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