Patent · US Active

Mobile earth working machine encompassing a functional apparatus preferably toollessly coupled detachably to a machine frame

US11866890B2 · kind B2 · utility

0Cited by

12References

15Claims

0Family size

Assignee

Wirtgen GmbH

Inventors

Roland Lull · Bellinghauserhohn, DE
Marcel Joisten · Neuwied, DE
Oliver Freund · Bellinghauserhohn, DE

Key dates

Filing date	Nov 10, 2020
Grant date	Jan 9, 2024
Priority date	—
Expiry date	Nov 2, 2041

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE01C2301/04
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A mobile earth working machine includes a machine frame; a working apparatus; a functional apparatus connected to the machine frame pivotably; and a pivot joint between the machine frame and the functional apparatus, having a frame-associated joint element and an apparatus-associated joint element. A mechanical coupling includes a frame-side coupling configuration and an apparatus-side counterpart coupling configuration.

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