Patent ID: 6171050
Filing Date: 2001-01-09
Classification: E02F,Y10S

Abstract:
In a mobile loading machine having a frame and an operator's cab mounted thereon, a load arm assembly adapted to be pivotably mounted at a rear end to the frame, and to support a tool between a lowered position and a raised position at a forward end thereof, the load arm assembly comprising:an outer load arm section for supporting the tool;an inner load arm section pivotably mounted to the frame; andan intermediate load arm section connected between the outer and inner load arm sections;wherein a first one of the inner and intermediate load arm sections includes a first top wall, a first bottom wall and a first pair of sidewalls extending therebetween which cooperate to define an outwardly open passage and wherein a second one of the inner and intermediate load arm sections includes a second top wall, a second bottom wall and a second pair of connecting sidewalls extending therebetween;wherein the intermediate load arm section and the inner load arm section are interconnected at a joint at which the second one of the load arm sections is slidably received within the passage defined by the first one of the load arm sections, wherein the first and second top walls overlap and are interconnected with each other, the first and second bottom walls are interconnected with each other, and the first and second pairs of sidewalls overlap and are interconnected with each other;wherein the first top and bottom walls terminate at outer portions which are bent relative to inner portions defined thereby, such that the passage extends along a longitudinal axis oriented at an angle relative to a longitudinal axis along which the remainder of the first load arm section extends.