Textiles: fluid treating apparatus – Machines – Impulsing
Patent
1977-10-06
1978-12-12
Coe, Philip R.
Textiles: fluid treating apparatus
Machines
Impulsing
D06F 1710
Patent
active
041290186
ABSTRACT:
An agitator for a vertical-axis automatic clothes washing machine has a plurality of vanes extending upwardly from a skirt thereof. A corresponding plurality of crescent-shaped, lobe-like cams projects outwardly and upwardly from a periphery of the skirt between the pairs of agitator vanes. Each cam extends approximately 33.degree. upwardly from the horizontal and is geometrically defined by two edges forming a segment of the surface of a cone coaxial 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 colinear; the upper edge has a somewhat smaller radius. Lower vertical flat vane portions extend radially and upon impelling laundry liquid produce a low pressure pocket behind each vane. The cam edges impel the clothes upwardly as the agitator oscillates to and fro while the barriers provided by the vanes prevent laundry liquid from moving upwardly into the low pressure pocket, thereby promoting a successive movement of clothes downwardly, outwardly, upwardly, inwardly and downwardly again.
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
patent: 2976711 (1961-03-01), Smith
Photographs Submitted by Applicant in Paper No. 2 of a 1964 Agitator Device.
Coe Philip R.
Whirlpool Corporation
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