Patent · US Active

Rotary snow tiller for grooming ski slopes and relative operating method

US8312649B2 · kind B2 · utility

2Cited by

2References

18Claims

0Family size

Assignee

Rolic Invest Sarl · LU

Inventors

Klaus Wagger · Cortina d'Ampezzo, IT
Jan Müller · Würzburg, DE

Key dates

Filing date	Sep 12, 2008
Grant date	Nov 20, 2012
Priority date	—
Expiry date	Feb 24, 2029

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE01H4/02
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A rotary snow tiller, for grooming the snow surface of ski slopes and designed to advance in a travelling direction, has a frame; a shaft rotating about an axis transverse to the travelling direction, and having teeth for breaking up the snow surface; a further shaft located behind the shaft, rotating about a further axis transverse to the travelling direction, and having further teeth for further breaking up the snow surface; and a finish mat located behind the further shaft.

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