CONTACT SHOCK ABSORBING DEVICE FOR HEAVY MACHINE

摘要

PROBLEM TO BE SOLVED: To provide a contact shock absorbing device for heavy-machine capable of dispensing with a space occupied by an air bag around the heavy-machine at a time excluding a working time. SOLUTION: The air bag 10 is allowed to not occupy a space around the heavy-may 1 by contracting the air bag 10, which is expanded or contracted b a vacuum pump, and is advantageous for the movement and carrying of the heavy-machine 1.