Solid material comminution or disintegration – Apparatus – Rotating comminuting surface
Patent
1975-07-29
1976-07-20
Custer, Jr., Granville Y.
Solid material comminution or disintegration
Apparatus
Rotating comminuting surface
B02C 1812
Patent
active
039702588
ABSTRACT:
The cutting blades of an electrically driven mincing machine are carried by a sleeve which fits over a driving element at the top of a vertical motor-driven shaft. The sleeve and driving element are provided internally and externally respectively with driving ramps which extend helically from bottom to top thereof in the direction of rotation of the driving element and which have active surfaces which engage one with the other during driving of the sleeve. The sleeve and driving element are also provided internally and externally respectively with retaining ramps which extend helically from bottom to top thereof in a direction opposite the direction of rotation of the driving element and which have active surfaces engageable one with the other where the driving element stops rotating thereby to prevent escape of the sleeve in an upward direction.
REFERENCES:
patent: 3493022 (1970-02-01), Mantelet
patent: 3596692 (1971-08-01), Swanke
patent: 3627008 (1971-12-01), Samuelian
patent: R24607 (1959-02-01), Seyfried
Custer, Jr. Granville Y.
Goldberg Howard N.
Moulinex (Societe Anonyme)
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