Pulley of washing machine

Details Pulley of washing machine Pulley of washing machine

2004-08-31

2008-08-26

Perrin, Joseph L. (Department: 1792)

Textiles: fluid treating apparatus

Machines

Tumbling

C074S571110, C074S572210

Reexamination Certificate

active

07415849

ABSTRACT:
A pulley of a washing machine, wherein the weight of the pulley is reduced by forming a strain-focused portion of the pulley with a high-rigidity material. The pulley of the washing machine having a motor for rotating a drum connected to one end of a shaft, includes a composite member, axially coupled to the other end of the shaft, for transferring a rotational force of the motor to the drum, the composite member being formed of at least two materials having dissimilar tensile strengths.

REFERENCES:
patent: 2995044 (1961-08-01), Abel
patent: 4946427 (1990-08-01), Rampe
patent: 5129865 (1992-07-01), Brock et al.
patent: 5345792 (1994-09-01), Farrington et al.
patent: 5469593 (1995-11-01), Cuthbert et al.
patent: 5735006 (1998-04-01), Vande Haar
patent: 5870907 (1999-02-01), Cho
patent: 5907961 (1999-06-01), Lee et al.
patent: 2633998 (1990-01-01), None
patent: 2001316740 (2001-11-01), None

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