Patent · US Active

Auxiliary drive

US7922255B2 · kind B2 · utility

12Cited by

8References

27Claims

0Family size

Assignee

Wirtgen GmbH

Inventors

Peter Busley · Linz, DE
Olaf Gaertner · Farster Bauerschaft, DE
Dieter Simons · Kürten, DE

Key dates

Filing date	Dec 15, 2009
Grant date	Apr 12, 2011
Priority date	—
Expiry date	Dec 15, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49826
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position.

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