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:
Jan. 14, 2025
Filed:
Sep. 23, 2019
Hilti Aktiengesellschaft, Schaan, LI;
Georg Holzmeier, Marktoffingen, DE;
Hilti Aktiengesellschaft, Schaan, LI;
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). A sealing device (), which can be moved between an inoperative position, lying substantially against the wall () of the housing (), and an operative position, pivoted with respect to the inoperative position about a pivot axis (), is connected to the housing () on a side of the wall () that is facing away from the cavity ().