Rent of a jackhammer (chipper)

Jackhammer — the mechanical hand tool of shock ^{action [1]} intended for a loosening and splitting of not really strong  materials , for example:  sedimentary rocks ,  asphalt ,  concrete  designs. Working body usually is  the metal   chisel  or  peak . Mechanization of the tool consists in impact on executive body of a series  of mechanical impulses  from  quickly which is set in motion by any  drive .  Frequency  of influence makes 16 … 25  Hz . At the message to a chisel of a shock impulse from a flannelette part (zatylnik) the cutting edge of a chisel influences the processed material, cutting it or splitting.

As the drive jackhammers are subdivided on:

• pneumatic — with the drive compressed air from  the compressor ;
• electric — working through transformation of electric energy in mechanical;
• petrol — using  the internal combustion engine which is built in the hammer case.