FIELD: process engineering.
SUBSTANCE: invention relates to hand-held machines with crank driving gear. Proposed machine comprises drive and percussion mechanism. Percussion mechanism comprises crank driving gear and driven reciprocating piston. Crank driving gear comprises, at least, one resilient link arranged between drive and piston, in direction of drive action, and crank plate. The latter comprises driving element and driven element coupled therewith. Driving element is coupled with driven element via, at least, one resilient element.
EFFECT: damped vibrations at required force of percussion mechanism.
8 cl, 10 dwg
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