Package making – Methods – With contents treating
Reexamination Certificate
2005-08-16
2005-08-16
Paradiso, John (Department: 3721)
Package making
Methods
With contents treating
C220S554000, C220S557000, C053S567000
Reexamination Certificate
active
06928792
ABSTRACT:
A wrap material dispensing system for a round baler includes a wrap material drive system for advancing wrap material from a supply roll to a wrap material feeding arrangement, and a selectively operable knife mechanism for severing the wrap material. The wrap material drive arrangement includes a pair of rollers that are driven by a motor. The knife mechanism is mounted to a pivotable shaft to which a one-way knife actuating clutch is mounted. A flexible drive member, such as a chain, is engaged with a rotatable output member of the drive motor, and with the one-way knife actuating clutch and a driven one of the wrap material drive rollers. Operation of the motor to rotate the motor output member in a first direction causes advancement of the wrap material, and the one-way knife actuating clutch is configured to maintain the knife mechanism in an inoperable rest position during advancement of the wrap material. When a desired amount of wrap material has been dispensed, the motor is operated to rotate the motor output member in a second direction opposite the first direction, to engage the one-way knife actuating clutch and to move the knife mechanism from the inoperative rest position to an operative cutting position, to sever the wrap material. The wrap material drive roller includes an overrunning clutch that allows rapid advancement of the wrap material when the wrap material is engaged with the wrap material feeding arrangement, and which enables the motor to be operated to rotate the motor output member in the second direction while the wrap material is being dispensed, to sever the wrap material by operation of the knife mechanism.
REFERENCES:
patent: 5129207 (1992-07-01), Butler
Glaszcz Anthony J.
Grahl Scott V.
Silbernagel Carl S.
Viesselmann Kim P.
Boyle Fredrickson Newholm Stein & Gratz S.C.
Gehl Company
Paradiso John
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