Jackhammer for drilling surface, has attachment mechanism that is fastened to surface to be worked on, is driven to operate, and is firmly connected to impulse shaft

摘要

An impulse shaft (120) is provided on at least one of its ends (121,122) with an impulse head (130,140) having a counterstroke surface (131,141) that cooperates with an impact surface (111,112) of a mobile hammer head (110). An attachment mechanism (150) firmly connected to the impulse shaft is fastened to a surface to be worked on and can be driven to operate.