Patent ID: 6568746
Filing Date: 2003-05-27
Classification: B62D,B66C,E02F

Abstract:
A cab for construction machines, including: mount bases located at four corners; base link frames arranged to connect said mount bases in transverse and longitudinal directions of the machine; left and right front pillars erected on left front and right front mount bases; left and right rear pillars erected on left rear and right rear mount bases; left and right roof pillars disposed in the longitudinal direction and bridged between upper end portions of said left front and rear pillars and said right front and rear pillars, respectively; a front tie frame bridged between upper end portions of said left and right front pillars to connect same in the transverse direction; and a rear tie frame bridged between upper end portions of said left and right rear pillars to connect same in the transverse direction; characterized in that said cab comprises:said left and right rear pillars are each constituted by a hollow steel pipe of a staggered shape with an inclined intermediate pillar portion between upright lower and upper pillar portions to have positions of said lower and upper pillar portions shifted in the forward and rearward directions, respectively; a recessed space provided on the lower side of said intermediate pillar portions of said left and right rear pillars to expand an external machine room; a rear expansion space provided on the upper side of said intermediate pillar portions of said left and right rear pillars to expand an internal dwelling room of said cab; and a center pillar provided at one lateral side of said cab and connected to said base link frame and said roof pillar at an intermediate position between front and rear ends of said cab, said center pillar being integrally provided with a side panel portion extending to the rear side in such a way as to cover up said recessed space.