Patent ID: 6340201
Filing Date: 2002-01-22
Classification: B62D,E02F

Abstract:
A construction machine having a support frame, an operator's cab mounted on said frame and internally defining an operating room, and four anti-vibrational mounts located in four corner portions between said frame and cab to support the cab on the frame in a vibration damped state, wherein:each of said anti-vibrational mounts comprises a laminated rubber body having relatively high rigidity against vibration in a vertical direction and relatively low rigidity against vibration in a horizontal direction; and wherein said construction machine further comprises four vibration attenuating devices located in said four corner said construction machine further comprises four vibration attenuating devices located in said four corner portions between said frame and cab and in cooperative positions relative to said anti-vibrational mounts to attenuate horizontal vibrations transmitted to said cab.