Wirtgen Gmbh

Bernhard Diesner

Cyrus Barimani

Günter Hähn

Thomas Lehnert

Karsten Buhr

Karl Kammerer

Markus Roth

Martin Lenz

A chisel holder comprises a body zone () having a chisel receiving opening () that is open at least in the direction of a chisel insertion end () of the body zone (), and also comprises a fastening shaft () which extends from a supporting end () of the body zone () and has a longitudinal shaft axis (L), the body zone () having a first supporting surface region () at its supporting end (). Said chisel holder is characterized in that the body zone () has a second supporting surface region () at its supporting end (), said second surface region () extending at an angle from the first supporting surface region (), or/and the first supporting surface region () comprises a first supporting surface () and a second supporting surface () extending at an angle from the first supporting surface ().

Chisel holder, and chisel holder system comprising a chisel holder and a base part

A chisel holder comprises a body zone () having a chisel receiving opening () that is open at least in the direction of a chisel insertion end () of the body zone (), and also comprises a fastening shaft () which extends from a supporting end () of the body zone () and has a longitudinal shaft axis. A fastening member-affecting zone is provided on a first side of the fastening shaft (), and a supporting zone () that has supporting surface regions () which are inclined relative to each other and adjoin each other in a transition zone () extending in the direction of the longitudinal shaft axis is provided on a second side of the fastening shaft (), said second side lying opposite the first side relative to the longitudinal shaft axis. Said chisel holder is characterized in that the transition zone () is designed like a cavity, or/and at least some sections of at least one supporting surface region () project radially outward from a basic outer peripheral surface () of the fastening shaft () in relation to the longitudinal shaft axis.

Growing community of inventors

Telfes im Stubai, Austria

Bernhard Diesner