Fan mounting arrangement
AssigneeMultibras S/A Eletrodomesticos
InventorsJorge Cunha, Gerson Helio Fernando Fischer, Ettore Santos Consiglio
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Abstract
A fan mounting arrangement of the type comprising a blade assembly incorporated to a tubular central hub (1, 10) fitted into a shaft end (2, 20) of a motor (M), the central hub (10) having at least one engaging projection (11) fitted into a corresponding engaging recess (21) provided at an end portion of the shaft end (20), in order to mount the central hub (10) to said shaft end (20) restraining said parts from relative movements, the fitting being obtained by the elastic deformation of part of the lateral wall of said central hub (10).
Claims8
A hub and shaft coupling comprising:
- a hub having a tubular extension provided with axial slots along a part of the length thereof dividing said extension into separated sectional arms of resilient material having an overall inner surface of a shape conforming to the outer surface of the shaft, the interior surface of one of said hub sectional arms having a projection of a shape complementary to said shaft depressed section, said sectional arms moving radially of the shaft axis and said projection of said one sectional arm fitting into said shaft depressed section as said inner surfaces of said hub sectional arms are moved over the outer surface of the shaft, the inner surface of each said sectional arms being in full permanent contact with an opposing portion of said shaft.
Dependencies are inferred from the claim text.