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. 29, 2003
Filed:
Apr. 17, 2001
Dieter Tremmel, Nurnberg, DE;
Peter Belkhofer, Forchheim, DE;
Andreas Kistner, Merkendorf, DE;
Michael Kotz, Forchheim, DE;
Christian Neumann, Hagenau, DE;
Markus Merkl, Pressath, DE;
Holger Sandner, Bubenreuth, DE;
Other;
Abstract
The invention relates to an apparatus for floor cleaning, with several wheels being attached to a frame R in such a way that a curve movement about a momentary center MP, MP MP can be performed and all momentary centers MP, MP MP form a momentary center axis MA extending substantially transversally to the frame R, and with a cleaning device being received in the frame R, which cleaning device forms a cleaning surface area RF which is delimited by a circumferential edge. In order to reduce uncleaned residual surfaces when moving along contours it is provided in accordance with the invention that the momentary center axis MA forms at least one point of intersection S S in a section of the circumferential edge disposed in the zone of the longitudinal side of the frame R.