Conveyors: power-driven – Conveyor system having a gravity conveyor section – With means to affect flow
Patent
1987-03-11
1989-01-10
Spar, Robert J.
Conveyors: power-driven
Conveyor system having a gravity conveyor section
With means to affect flow
198671, 222168, 222411, B65G 4720
Patent
active
047967471
ABSTRACT:
A machine for delivering a viscous or paste-like foodstuff includes a hopper for receiving the foodstuff, the lower part of which is formed to include a funnel-shaped tapered portion, and a feed sleeve rotatably connected to the lower side of the hopper and having its lower end communicating with the exterior of a machine frame on which the hopper and feed sleeve are rotatably supported. A helical delivery blade is fixedly secured to the frame by a stationary shaft and includes a first blade portion fitted in the feed sleeve and a second blade portion of larger diameter fitted in the lower part of the tapered portion of the hopper, the first and second blade portions being continuous. A first drive mechanism rotates the feed sleeve and a second drive mechanism rotates the hopper in the same direction as the feed sleeve but at a lower speed, thereby producing a speed differential between the hopper and feed sleeve. By setting the speed differential to an appropriate value, the foodstuff contained in the hopper can be delivered to the feed sleeve continuously in an amount substantially the same as that fed through and out of the feed sleeve. The foodstuff may thus be delivered continuously without a compressing force acting thereon.
REFERENCES:
patent: 612181 (1898-10-01), Spurrier
patent: 2791355 (1957-05-01), Morgan, Jr.
patent: 3135377 (1964-06-01), Miley
patent: 4467910 (1984-08-01), Siwersson et al.
patent: 4603774 (1986-08-01), Siwersson et al.
patent: 4621726 (1986-11-01), Johansson
Dayoan D. Glenn
Kajiwara Kogyo Kabushiki Kaisha
Spar Robert J.
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