Work equipment boom
AssigneeKomatsu Ltd.
InventorsEiji Nabata, Tatsushi Itou
Life of this patent
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Abstract
A work equipment boom is adapted to be attached at one end to a main body of a construction machine and attached at the other end to a work equipment arm. the work equipment boom includes a boom main component. The boom main component is integrally formed by expanding a tubular material. The boom main component has a proximal end portion and a distal end portion. The proximal end portion includes a first end part arranged to be disposed adjacent to the main body and has a shape which increases in horizontal width as it gets nearer to the first end part. The distal end portion includes a second end part arranged to be disposed adjacent to the work equipment arm and has a shape which increases in horizontal width as it gets nearer to the second end part.
Claims3
A work equipment boom adapted to be attached to a main body of a construction machine at one end and to a work equipment arm at the other end, the work equipment boom comprising:
- a boom main component integrally formed by expanding a tubular material, the boom main component having
- a proximal end portion including a first end part arranged to be disposed adjacent to the main body, the proximal end portion having a shape that increases in horizontal width as it gets nearer to the first end part, and
- a distal end portion including a second end part arranged to be disposed adjacent to the work equipment arm, the distal end portion having a shape that increases in horizontal width as it gets nearer to the second end part,
- the boom main component having a curved shape, with a concave part and a convex part being formed in a side surface of a curved portion of the boom main component, the convex part extending between an upper end and a lower end of the concave part so as to traverse the concave part in a generally vertical direction.
Dependencies are inferred from the claim text.