Patent ID: 6582010
Filing Date: 2003-06-24
Classification: B62D,B66C,E02F

Abstract:
A cab for construction machines, including mount bases located at four corners and each provided with an upward fitting joint projection, base link frames arranged to connect said mount bases in transverse and longitudinal directions of a machine;left and right front pillars erected on left and right front mount bases; left and right rear pillars erected on left and right rear mount bases; left and right roof pillars arranged to longitudinally connect upper end portions of said front and rear pillars; a front tie frame arranged to transversely connect upper end portions of said left and right front pillars; and a rear tie frame arranged to transversely connect upper end portions of said left and right rear pillars; characterized in that said cab comprises: a notched portion provided in a lower end portion of each one of said front and rear pillars for fitting engagement with said fitting joint projection of said mount base; a lower end portion of each one of said front and rear pillars being fitted on said fitting joint projection of said mount base and securely fixed to the latter by a weld formed along and between marginal edge portions around said notched portion and said fitting joint projection.