Title: Mixing bed pick up apparatus for a staple supply pile

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Claims: I claim:

1. Apparatus for picking up and delivering incrementally and continuously representative portions of a pile of staple supply materials, comprising

(a) a rotary pipe pickup device positioned adjacent the base of a supply pile;

(b) a plurality of pickup blades positioned on said pipe, said blades positioned in spiral patterns around the circumference of said pipe;

(c) a reversible supply belt positioned adjacent said pipe, and mounted to move in the same direction as the spiral pattern on said pipe, or opposite thereto; the improvement characterized by

(d) said plurality of blades spaced evenly from each other on said pipe in said spiral pattern;

(e) said plurality of blades arranged in four longitudinally extending spirals of 24 blades each;

(f) each said blade positioned on said pipe with respect to the front of a supply pile being delivered at an embracing angle of 270.degree.; and

(g) the ratio of velocity between said supply belt movement and the rate of advance of the delivery points of said plurality of blades is 0.6.

Other info:

Inventors: Ruder, Joachim (Duisburg, DE, US)

Application Number: 797131
Filing Date: 1977-05-16
Publication_date: 1978-08-15
Assignee: DeMag Aktiengesellschaft (Duisburg, DE)
Primary Class(es): 366/346 198/509, 198/701
Other Classes:
US Patent Ref:

2401913	Jun, 1946	Dawson	259/47.
3078076	Feb, 1963	Ferguson	259/180.
3570817	Mar, 1971	Claussen	259/46.

Other Refs: 896,662

May, 1962	GB

Primary Examiner: Jenkins, Robert W.
Assistant Examiner:
Attorney: Mandeville and Schweitzer