ELECTRICALLY DRIVEN TOOL Russian patent published in 2014 - IPC B25D11/12 B25D15/02 B25D17/24 

FIELD: machine building.

SUBSTANCE: proposed tool has body 103, drive motor 11, motion converter 113 and dynamic damper 151 arranged inside body 103, and handle 105 jointed with body 103 at tool rear, behind motor 111. Motion converter 113 is arranged at tool front, ahead of motor 11 in hammer tip 119, to convert motor rotation in linear displacement to be transmitted to hammer tip 119. Dynamic damper 151 comprises case arranged between motion converter 113 and handle 105. Weight is arranged inside damper case to displace linearly in axial direction of hammer tip 119. It includes also cylindrical spring extending between weight front and rear and damper case in said axial direction of hammer tip 119 to elastically support said weight in aforesaid direction.

EFFECT: optimum configuration, decreased vibrations.

7 cl, 4 dwg