Patent · US Active

Shank chisel

US8267483B2 · kind B2 · utility

14Cited by

21References

21Claims

0Family size

Assignee

Betek GmbH & Co. KG · DE

Inventors

Ulrich Kramer · Bensberg, DE
Markus Roth · Schenkenzell, DE

Key dates

Filing date	Oct 16, 2008
Grant date	Sep 18, 2012
Priority date	—
Expiry date	Oct 16, 2028

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21C35/197
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A shank bit, in particular a road milling bit, having a carrier part (10) that comprises a shank (11), the shank (11) carrying a bit tip (18) made of hard material, the carrier part comprising, in the region between the shank and the bit tip, a receiving portion (14) on which a head part is held (30), and the head part comprising a circumferential chip discharge surface (34.1) tapering in a direction toward the bit tip. In order to enable a shank bit of this kind to be designed in wear-optimized fashion, the head part is held rotatably with respect to the carrier part.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.