Conveyors: power-driven – Conveyor section – Screw
Patent
1982-11-24
1985-05-28
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Screw
198677, B65G 3326
Patent
active
045194963
ABSTRACT:
A conveyor screw includes a substantially continuous row of wear-resistant elements mounted on the wearing surface thereof. Opposed complementary semi-circular recesses are formed in adjacent wear-resistant elements providing a combined circular recess. A retaining member is received in each such recess and is secured to the conveyor screw with its axis positioned in the radial dividing line between adjacent wear-resistant elements. The gap between the retaining member and the wear-resistant elements is filled with a resilient padding material. In a modified form of the invention each wear-resistant element includes a backing plate of ductile material with each wear-resistant element being off-set relative to its corresponding backing plate. Adjacent faces of the backing plates, in lieu of being straight, are formed at an angle of approximately 175.degree. so as to provide a small gap permitting use of uniform components along a conveyor screw having a changing diameter.
REFERENCES:
patent: 2610739 (1952-09-01), Bitzer
patent: 3762537 (1973-10-01), Lutz
patent: 3764062 (1973-10-01), Brautigam
patent: 3977515 (1976-08-01), Lewoczko
patent: 4328925 (1982-05-01), Shapiro
patent: 4429770 (1984-02-01), Weisbrod
PCT Pamphlet WO 81/02853.
Alexander Daniel R.
Alfa-Laval Separation A/S
Valenza Joseph E.
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