Dispensing – Agitator followed by discharge assistant and/or... – All rotary
Patent
1975-01-13
1976-03-30
Reeves, Robert B.
Dispensing
Agitator followed by discharge assistant and/or...
All rotary
222414, 222DIG1, B65G 6548
Patent
active
039469107
ABSTRACT:
A dry toner dispenser for use in an electrostatic or the like copying machine includes a hopper having a bottom opening from which dry toner particles are dispensed. A roll having a plurality of resilient fibers extending generally radially outwardly therefrom is mounted for rotation in the opening. A dispenser bar mounted outside of the hopper engages the resilient fibers of the roll. As the roll turns, the bar momentarily holds the fibers against the direction of rotation and then releases the fibers in a spring action to cause toner particles held between the fibers to be projected therefrom into the developer apparatus of the copying machine. A wheel rotatable in accordance with the operation of the copying machine drives a pivotal member which in turn rotates the dispenser roll incrementally. A manually positionable cam limits the movement of the pivotal member. An agitator included in the hopper is coupled to the drive roll for rotation therewith and maintains the toner particles in a loose condition.
REFERENCES:
patent: 2872080 (1959-02-01), Thene
patent: 3367307 (1968-02-01), Lawes et al.
patent: 3534787 (1970-10-01), Heck
patent: 3656509 (1972-04-01), Yasu
patent: 3869929 (1975-03-01), Tosi
A. B. Dick Company
LaPorte Ronald J.
Lucyshyn Peter S.
Reeves Robert B.
Shannon John P.
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