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:
Oct. 27, 1987
Filed:
Oct. 29, 1986
Gerhard Konig, Bad-Neustadt, DE;
Karl Fleck, Ostheim, DE;
Herbert Kess, Bad-Neustadt, DE;
Artur Weigand, Niederlauer, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A cable coil support assembly installable in an appropriate seating space of a vacuum cleaner comprises a cable drum having a hollow hub rotatably supported on a bearing pin axially projecting from a fixed supporting wall of the assembly. The hub is provided with radially oriented openings in communication with a suction space of the vacuum cleaner, whereby cooling air is drawn between adjacent winding of an electrical cable on the cable drum. The supporting wall is provided with at least one opening enabling gaseous communication between the cavity in the hub and the suction space of the vacuum cleaner.