Global Patent Index - EP 4092192 B1

EP 4092192 B1 20240110 - MILLING DRUM FOR A ROAD MILLING MACHINE

Title (en)

MILLING DRUM FOR A ROAD MILLING MACHINE

Title (de)

FRÄSWALZE FÜR EINE STRASSENFRÄSMASCHINE

Title (fr)

TAMBOUR DE FRAISAGE POUR UNE FRAISEUSE ROUTIÈRE

Publication

EP 4092192 B1 20240110 (DE)

Application

EP 22163116 A 20220319

Priority

DE 102021112757 A 20210517

Abstract (en)

[origin: US2022364318A1] The invention relates to a quick-change holder for a quick-change chisel holder system for fastening a rotationally symmetrical milling chisel to a milling roller of a road milling machine, comprising a quick-change holder body, a chisel shank receptacle running along a longitudinal center axis in the quick-change holder body for receiving a chisel shank of the milling tool, a quick-change holder cone, which is formed by the quick-change holder body, lies in extension of the chisel shank receptacle, and for this purpose is designed to be clamped in an at least partially complementary holder receptacle of a basic holder of the quick-change chisel holder system, a tension means bearing arranged on the quick-change holder cone and designed to engage a tension means, with which the quick-change holder cone can be clamped on the basic holder in the direction of a cone axis of the quick-change holder cone, wherein the chisel shank receptacle and the tension means bearing are designed in such a way that the longitudinal center axis and the cone axis lie in a common plane and are angled relative to one another in this common plane. Furthermore, the invention relates to a quick-change chisel holder system and a milling roller.

IPC 8 full level

E01C 23/088 (2006.01); B28D 1/18 (2006.01); E21C 35/18 (2006.01); E21C 35/19 (2006.01)

CPC (source: CN EP US)

B28D 1/188 (2013.01 - EP US); E01C 23/088 (2013.01 - CN EP US); E21C 35/18 (2013.01 - EP); E21C 35/19 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 4092192 A1 20221123; EP 4092192 B1 20240110; CN 115369727 A 20221122; DE 102021112757 A1 20221117; US 2022364318 A1 20221117

DOCDB simple family (application)

EP 22163116 A 20220319; CN 202210510218 A 20220510; DE 102021112757 A 20210517; US 202217661099 A 20220428