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:
Apr. 21, 2009
Filed:
Nov. 22, 2005
Fabio Poloni, Pordenone, IT;
Fabio Poloni, Pordenone, IT;
Electrolux Home Products Corporation N.V., Zaventem, BE;
Abstract
Anchorage device for fastening a counterweight to a washing machine tub comprising: an hollow shell () in which a concrete ballast mass () is adapted to be poured, said shell () being provided with fastening housings (), and threaded fastening means () adapted to cooperate with the fastening housings () in order to secure the shell () to a washing machine tub (). The fastening housings () comprise expansion cavities () shaped so as to define an equivalent diameter (), the threaded fastening means () comprise a head () integrally provided with a flange adapted to engage the tub () and a shank adapted to be screwed into the expansion cavities (), said shank comprising a self-tapping thread portion () having a crest diameter () and a root diameter () and a not-threaded pin portion () having a pin portion diameter (). The ratio of the root diameter () to the equivalent diameter (), the ratio of the crest diameter () to the equivalent diameter () and he ratio of the pin portion diameter () to the equivalent diameter of said expansion cavities () being in predetermined range.