The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 04, 1977

Filed:

Jan. 30, 1975
Applicant:
Inventors:

Reinhold Alvin Drews, Stevensville, MI (US);

Frank Robert Burgener, Jr, Stevensville, MI (US);

Assignee:

Whirlpool Corporation, Benton Harbor, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06F / ;
U.S. Cl.
CPC ...
68 237 ; 403371 ;
Abstract

A receptacle drive coupling atop the spin drive tube in a washing machine assembly of the vertical axis type has a hollow drive block with a circumferential contact surface of reduced area on its downwardly flared lower part. A lock nut including a downwardly extending lower lip portion is threadedly received at the upper part of the drive block. A hollow center post of the receptacle is forced into proper alignment over the drive block by the lock nut and is firmly aligned with respect to the spin tube by the raised contact surface on the drive block and the lip portion of the lock nut.


Find Patent Forward Citations

Drews, Reinhold. (1977). Receptacle drive coupling for an automatic washer (U.S. Patent No. 4000631). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4000631

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…