Patent · US Active

Winch

US10246311B2 · kind B2 · utility

4Cited by

24References

19Claims

0Family size

Assignee

Liebherr-Components Biberach GmbH · DE

Inventors

Johannes Bulling · Bad Waldsee, DE
Erich Harsch · Ochsenhausen, DE

Key dates

Filing date	Jul 1, 2011
Grant date	Apr 2, 2019
Priority date	—
Expiry date	May 1, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66D1/54
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

The present invention relates to a winch, in particular a luffing winch, with a winch drum, at least one main drive driving the transmission input shaft, and at least one emergency drive driving the transmission input shaft in case of emergency, wherein at least one emergency drive can be coupled to the driven wheel of the transmission input shaft as required via at least one intermediate gear. The present invention furthermore is directed to a construction machine or a lifting device with at least one such winch.

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