Patent · US Active

Modular cutting head

US9803476B2 · kind B2 · utility

7Cited by

12References

19Claims

0Family size

Assignee

Caterpillar Global Mining Europe GmbH · DE

Inventors

Joachim Raschka · Bochum, DE
Stefan Berger · Raubling, DE
Jan Rohwer · Dortmund, DE
Oliver Kortmann · Werne, DE

Key dates

Filing date	May 13, 2014
Grant date	Oct 31, 2017
Priority date	—
Expiry date	May 13, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21D9/1006
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A cutting head for hard rock mining applications is disclosed. The cutting head may have a base member. The base member may have a rotational axis and may include a center bore extending along the rotational axis. The cutting head may also have a drive bushing disposed within the center bore. The drive bushing may be configured to transmit torque from a driving device to the base member. The cutting may further have a plurality of annular tool supports. Each of the plurality of annular tool supports may be concentrically disposed about the rotational axis in a releasable manner. In addition, the cutting head may have a plurality of cutting bit carriers attached to each of the plurality of annular tool supports. Each of the plurality of cutting bit carriers may be configured to rotatably support a cutting bit.

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