WORKING TOOL WITH MANUAL CONTROL Russian patent published in 2013 - IPC B25F1/00 B25F5/02 B25G1/01 B25B17/00 F16F1/12 

FIELD: process engineering.

SUBSTANCE: intention relates to working tools with manual control. Proposed working tool comprises, at least, one control handle. Said handle is coupled with drive motor via, at least, one damping element. Said damping element comprises helical spring with, at least, one end fitted on guide. Helical spring is spaced from guide in first radial distance for first distance. Said first distance is measured in the first plane located perpendicular to working tool lengthwise axis. In second radial distance, helical spring is located at second distance from said guide, smaller than that in the first direction, or said distance equals zero. Second distance is measured in second plane located in transverse direction z and in lengthwise direction x and perpendicular to vertical direction y. Helical spring has central lengthwise axis directed, in fact, in transverse direction. Guide and/or helical spring feature shape other than a circle. At least, one section of said guide features oblate-ring-section and/or helical spring one section is oblate on, at least, one side.

EFFECT: better damping properties.

21 cl, 26 dwg