Patent ID: 7828371

Claim:
A mounting structure of a drivers cab to a base frame in a construction machine, comprising: a base frame; a drivers cab provided on said base frame, said drivers cab includes a floor plate, and frame members which are provided on said floor plate and arranged so as to surround an operator's seat; vibration absorbing means for supporting said drivers cab in a state capable of moving up and down in a moving range with respect to said base frame, and for absorbing a vibration generated between said base frame and said drivers cab; a cantilevered projecting portion projecting laterally from one of said frame members, and an inserted member mounted to said base frame and has an insertion hole capable of receiving said projecting portion therethrough, wherein said projecting portion and said insertion hole are sized such that an inner surface of said insertion hole and an outer surface of said projecting portion are not in contact with each other within the moving range of said drivers cab allowable by said vibration absorbing means, and the inner surface of said insertion hole is contacted by an upper surface of said projecting portion when said drivers cab is lifted away from said base frame beyond said moving range.