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.

Date of Patent:
Jan. 14, 2025

Filed:

Sep. 23, 2019
Applicant:

Hilti Aktiengesellschaft, Schaan, LI;

Inventor:

Georg Holzmeier, Marktoffingen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 47/34 (2006.01); B23Q 11/00 (2006.01);
U.S. Cl.
CPC ...
B23B 47/34 (2013.01); B23Q 11/0046 (2013.01); B23B 2260/058 (2013.01);
Abstract

A description is given of an extraction device () for a core drill, including a housing () which has at least one cavity (), a cover () and a wall () connected to the cover () around the periphery. An extraction nozzle () connected to the housing () is provided, designed for attaching the extraction device () to a suction device. The wall () has at least one inlet opening (), by way of which the cavity () is connected to the surroundings (U). The wall () has a first substantially planar wall region () and a second substantially planar wall region (), wherein a surface () of the first wall region () that is facing away from the cavity () forms an obtuse angle () with a surface () of the second wall region () that is facing away from the cavity ().


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