PERCUSSION TOOL Russian patent published in 2015 - IPC B25D17/18 B23Q11/00 B25F5/02 

FIELD: process engineering.

SUBSTANCE: invention relates to percussion-type tools. Percussion tool comprises body, dust collector to suck and collect dust produced in operation of plug-in tool and clamp. Mount areas are made at the sides of said body and duct collector to allows attachment of said collector to tool body. One of said areas has multiple ledges extending in axial direction of plug-in tool and are arranged around the axis. Other area has multiple grooves extending in the same direction to engage with said ledges. There are crests arranged between grooves, around plug-in tool axis. Aforesaid clamp fix the mount portion on the by side and mount portion on collector side. Note here that outer surfaces of said ledges and upper surfaces of crests are located level one with another in circumferential direction. Said clamp uniformly squeeze said areas at one level for fixed attachment of collector to tool body.

EFFECT: ruled out slippage from collector from percussion tool body.

4 cl, 6 dwg