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:
Dec. 21, 2021
Filed:
Sep. 06, 2019
C. & E. Fein Gmbh, Schwaebisch Gmuend-Bargau, DE;
Fabian Bek, Boebingen, DE;
Rainer Mann, Aalen-Dewangen, DE;
Tobias Meissner, Weilheim an der Teck, DE;
Luisa Riem, Dettingen/Teck, DE;
C. & E. Fein GmbH, Schwaebisch Gmuend-Bargau, DE;
Abstract
A tool attachment, in particular hole saw, for a power tool having a driving axle that is drivable in oscillation. The tool attachment including a connecting device with which the tool attachment is attachable to the power tool such that the driving axle thereof and a tool axis essentially coincide. A work area has teeth, with the work area being at least partially circular in design and adjoining a hollow, cylindrical base. Openings are formed in the base, the openings constituting at least 60%, at least 80%, or at least 90% of the area of the base.