Patent · US Expired

Gearbox for concrete mixer

US7331701B2 · kind B2 · utility

2Cited by

13References

14Claims

0Family size

Assignee

ZF FRIEDRICHSHAFEN AG · DE

Inventors

Eduard Heilig · Friedrichshafen, DE
Andreas Geier · Meran - Merano, IT
Klaus Schiffner · Bad Neuenahr-Ahrweiler, DE
Michael M. Frondorf · Lakeside Park, US

Key dates

Filing date	Feb 4, 2005
Grant date	Feb 19, 2008
Priority date	—
Expiry date	Nov 22, 2025

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H1/227
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A drive for a mixing drum has a compensating device (25) for the purpose of compensating the motions between a drum (1) and a bearing bracket (4), which consists of a first component (20), an elastic element (17), and a second component (16).

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