IMPACT MECHANISM FOR ELECTRIC HAND MACHINE Russian patent published in 2012 - IPC B25D17/06 B25D11/12 

FIELD: process engineering.

SUBSTANCE: invention relates to impact mechanisms of electric hand machines. Impact mechanism comprises cylinder accommodating piston reciprocating therein and outer guide to piston guide section to fit in. Piston end located outside cylinder has bent end section to surround cylinder end from outside. Piston guide section is formed, at least, partially by said bent end section or secured thereon. Said bent end section is provided with piston drive element at least partially made thereon or secured thereto. Piston drive comprises crank mechanism to make the piston reciprocate by rocker guide. Crank mechanism has cam engaging with rocker guide. Outer guide cross-section features C-like shape enveloping external bush formed by bent end section and piston end. Rocker guide is arranged on bent end outside side in angular sector wherein outer guide does not surround external bush.

EFFECT: compact design.

8 cl, 2 dwg