PERCUSSION TOOL Russian patent published in 2014 - IPC B25D11/04 B25D17/06 B25D17/08 B25D17/24 

FIELD: process engineering.

SUBSTANCE: invention relates to percussion-type tools. Proposed tool comprises holder to accommodate the adapter, case connected with holder, percussion element fitted in said case, intermediate element and resilient element. Intermediate element is arranged in said case and driven by percussion element to transfer the force to tool adapter. Resilient element is arranged between tool holder inner peripheral surface and tool adapter outer peripheral surface at end area of tool adapter on case side. Resilient element is tightly jointed with tool holder and tool adapter at preset axial tool length.

EFFECT: decreased noise in operation.

7 cl, 5 dwg