Feeder for dispensing flowable substances

Details Feeder for dispensing flowable substances Feeder for dispensing flowable substances

1993-04-30

1994-09-27

Kashnikow, Andres

Dispensing

With discharge assistant

Rotary

403327, 403377, 403383, G01F 1120, B25G 308, F16B 700, F16D 100

Patent

active

053500890

ABSTRACT:
A feeder for dispensing flowable substances and a coupling which causes rotation of the feed screw of the feeder in response to the drive system of the feeder. The feed screw is removable from the feeder, with insertion and removal of the feed screw effected by only axial movement of the feed screw. A torque transmitting member, connected to the drive system, and a torque receiving member, from which the feed screw extends, have complementary non-circular mating surfaces through which the torque from the drive system is imparted to the feed screw. Unintended axial movement of the feed screw is prevented by a locking arrangement between the torque transmitting member and the torque receiving member. The torque transmitting member has a pilot portion which facilitates insertion of the feed screw in the feeder and provides guidance of the feed screw during operation.

REFERENCES:
patent: 1134179 (1915-04-01), Boyd
patent: 1442223 (1923-01-01), Knebusch
patent: 3347293 (1967-10-01), Clark
patent: 4142543 (1979-03-01), Krause et al.
patent: 4586845 (1986-05-01), Morris
patent: 4615402 (1986-10-01), Eisenloeffel
patent: 4781487 (1988-11-01), Greco
patent: 5170914 (1992-12-01), Shalit

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