Sheet feeding or delivering – Feeding – Pack holders
Patent
1988-03-02
1988-12-27
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
Pack holders
271164, 271127, B65H 126
Patent
active
047936061
ABSTRACT:
A paper feeding device for a printer, which is constituted by a paper feeding tray and a tray receiver. The paper feeding tray has a rotatable hopper plate supported at the bottom thereof, a hopper shaft disposed at the lower surface of the front end of the hopper plate, two moving levers respectively connected to two ends of the hopper shaft, and movably supported by two sides of the paper feeding tray, guide grooves formed in the two sides in the tray fitting direction, two movable members supported by the two guide grooves, and have outwardly extending securing portions, and a spring disposed between the movable levers and the movable members, and for pushing up the hopper plate through the hopper shaft with respect to the movable lever.
A tray receiver contains two side plates disposed at a certain interval which allows the paper feeding tray to be inserted, securing grooves on the inner surfaces of the rear portion of the two side plates, and which engage with the securing portions during the mounting of the paper feeding tray, and which prevent the movement of the movable members and expands the spring to increase spring force, and a lock cam movably supported on the inner surface of the front portion of the two side plates, and which has a cam surface to which the hopper shaft can be engaged when the paper feeding tray is mounted.
REFERENCES:
patent: 4307878 (1981-12-01), Kono
patent: 4623137 (1986-11-01), Irie et al.
patent: 4660823 (1987-04-01), Sato
Kodama Hidetoshi
Yasuoka Tadashi
Adams Bruce L.
Seikosha Co. Ltd.
Skaggs H. Grant
Wilks Van C.
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