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:
Nov. 26, 2024
Filed:
Mar. 13, 2020
Kennametal Inc., Latrobe, PA (US);
KENNAMETAL INC., Latrobe, PA (US);
Abstract
The combination tool (), in particular a drilling/chamfering tool, comprises a drill () extending in the longitudinal direction () with a clamping sleeve (), which is designed to receive the drill () and fasten the drill () at a variable length and which has a holding seat () for a cutting insert (). The drill () comprises a cutting region () provided with grooves (), wherein the grooves () extend helically and are formed between two grooves () drill backs (). At least one of the drill backs () is partially flattened to form an adjustment surface () for the cutting insert (), wherein the adjustment surface () extends helically. As a result, a length adjustment over a large length range is made possible independently of the twist angle (γ).