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.
Patent No.:
Date of Patent:
Aug. 12, 1980
Filed:
Oct. 23, 1978
Applicant:
Inventor:
Frank W Shacklock, Auckland, NZ;
Assignee:
Fisher & Paykel Limited, Auckland, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06F / ;
U.S. Cl.
CPC ...
68 / ; 34139 ; 68 2 / ; 1131 / ; 220 66 ; 220 74 ; 428595 ; 428604 ;
Abstract
Curved inwardly flanged members in the form of cylinders (1) or conical frusta have the flange (2) thereof formed by folding sheet material (24) about a plurality of fold lines (3,10) to form corrugations or castellations having sides (6) of triangular formation and diverging first frusta segments (11) and second frusta segments (4,16) lying on two diverging conical frusta or short height relative to diameter. Such cylinders and frusta have hubs (25,58) and comprise rotating drums suitable for laundry machines such as clothes washing machines and clothes driers.