Housing block, in particular for a hydraulic unit of an electronically slip-controllable vehicle brake system

US10843671B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Jochen Bodmann · Oberstenfeld, DE
• Oliver Gaertner · Abstatt, DE
• Juergen Reiner · Gestratz, DE
• Caroline Seywald · Oberreute, DE

Key dates

• Filing date: Jun 8, 2017
• Grant date: Nov 24, 2020
• Expiry date: Jun 8, 2037

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F15B1/24
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A drilling tool, in particular a rock drilling tool, for a portable machine tool, includes a drill head, in particular a hard metal drill head. The drill head includes a drill shaft connected, in particular integrally with the drill head, and a rotational axis. The drill shaft is configured as one piece, has a guide section with guide groove winding in a spiral-shaped about the drill shaft for transporting away drilling dust, and has a securing section provided for detachably securing the drilling tool to a machine tool. The guide section has a diameter reinforcement at a drill head support region of the guide section neighboring, in particular adjacent to, the drill head.