FIELD: machine building.
SUBSTANCE: protection device contains the main part and energy absorbing element. This energy absorbing element is connected to the main part providing their fixed connection during normal operation and possibility of at least one rotational motion relative to the main part in emergency.
EFFECT: improving efficiency of energy absorption in case of disruption of working tool and reducing threat of accident with operator of hand-held machine.
10 cl, 5 dwg
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