Atlas Copco Construction Tools Ab

Construction Tools Pc Ab

Thomas Lilja

Ingemar Sven Johansson

Lars Saxbäck

Ingemar Johansson

Ola Davidsson

A fluid powered percussion toolhas a housingwith a supply channel for pressurized fluid, a percussion mechanism, a swing jointarranged to carry the percussion mechanismrelative to the housingat a point situated between the forward end A and the rear end B of the percussion mechanism, at least one elastically resilient elementarranged between the housingand the percussion mechanismat a distance from the swinging jointand arranged to load the percussion mechanismagainst a neutral position in the housingand to absorb the vibrational movements of the percussion mechanism, and a flexible connection for pressurized fluidfor distribution of pressurized fluid from the supply channel for pressurized fluidto the percussion mechanism. The elastically resilient elementincludes a conical spring. The flexible connection for pressurized fluidincludes a hose

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Läckeby, Sweden

Thomas Lilja