Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1975-05-08
1976-09-21
Blunk, Evon C.
Sheet feeding or delivering
Feeding
Separator and conveyor
214 85G, 271 35, 271 99, 271112, 271119, 271165, 271171, B65H 304, B65H 306, B65H 106
Patent
active
039814947
ABSTRACT:
For feeding blanks into, for example, a carton folding machine, blank feeder apparatus that includes a frame, blank support members having rear and intermediate portions that are forwardly and upwardly inclined and front portions that extend generally horizontally; a magazine for retaining the blanks in generally vertical stacked relationship on the support members, including hold down assemblies for resiliently urging the blank rear edge portions downwardly, and front escape bars; kicker assemblies for feeding the lowermost blank in the magazine forwardly, including endless chains having wedges thereon for lifting the adjacent part of the blank and a ledge adjacent the wedge to engage the blank rear edge to positively move the blank; feed rolls adjacent the front of the magazine to aid in moving the lowermost blank forwardly; and solenoid operated clutch mechanism for starting and stopping the drive to the feed rolls and the kicker assemblies. The support members have vacuum ports to pull the front end portion of the lowermost blank down beneath the escape bars. The kicker assemblies are longitudinally adjustable while the magazine is adjustable for holding various length and width blanks.
REFERENCES:
patent: 1647819 (1927-11-01), Swift
patent: 2379361 (1945-06-01), La Bombard
patent: 2573944 (1951-11-01), Anderson
patent: 3262697 (1966-07-01), Krinke
Blunk Evon C.
Stoner Jr. Bruce H.
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