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:
Feb. 17, 2026
Filed:
Dec. 04, 2020
Herrenknecht Ag, Schwanau, DE;
Herrenknecht AG, Schwanau, DE;
Abstract
The invention relates to a device for sinking a vertical borehole, more particularly a shaft, an extraction borehole in a deposit body, or a foundation borehole in the ground, with at least one excavating tool for excavating material from the bottom of the borehole, with an at least one conveyance means arranged in the active region of the at least one excavating tool for conveying away from the borehole material excavated from the bottom, with a machine frame on which at least two bracing elements are arranged for locking the device in the borehole during boring, with at least one means for vertically raising and lowering the boring device in the borehole and with at least one drive for rotating the excavation tool.