One-piece agitator with clothes directing cam

Textiles: fluid treating apparatus – Machines – Impulsing

Patent

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Details

D06F 1300, D06F 1710

Patent

active

041377370

ABSTRACT:
An agitator for a vertical-axis automatic clothes washing machine has a plurality of circumferentially spaced apart vanes extending upwardly from a skirt adapted to overlie the bottom wall of a tub or receptacle. A corresponding plurality of lobe-like cams projects outwardly and upwardly from at or near the periphery of the skirt in the alternate spaces between the vanes. Each cam extends approximately 5 to 15.degree. upwardly from the horizontal and is geometrically defined by two edges forming a segment of the surface of a cone co-axial with the agitator. The inner edge of each cam has the radius of the circular perimeter of the agitator skirt with which the edge is co-linear; the upper edge either has a somewhat smaller radius in a crescent-shaped configuration or has an irregular, double-lobe configuration. The upper cam edges impel the clothes upwardly as the agitator oscillates to and fro, thereby promoting a successive movement of clothes downwardly, outwardly, upwardly, inwardly, and downwardly again, within the receptacle.

REFERENCES:
patent: RE18280 (1931-12-01), Kirby
patent: D100861 (1936-08-01), Hume
patent: D105517 (1937-08-01), Geldhof
patent: D127576 (1941-06-01), Barber
patent: 1543323 (1925-06-01), Dehle
patent: 1629391 (1927-05-01), Kemp et al.
patent: 1632866 (1927-06-01), Altorfer
patent: 1665959 (1928-04-01), Graham et al.
patent: 1688031 (1928-10-01), Altorfer
patent: 1754626 (1930-04-01), Holzhausen
Photographs submitted by applicants in paper No. 2 of a 1964 agitator device.

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