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US 7,401,658 B2Granted
Blade for work machine, and construction and earth-moving machine provided with the same blade
AssigneeKomatsu Ltd.
InventorsNorihisa Matsumoto, Masatake Tamaru
Life of this patent
Estimating the term…
Abstract
An object of the invention is to provide a blade preferable for being mounted on various kinds of work machines, particularly work machines for digging, carrying of soil and leveling, in which increase in a quantity of soil per tractional force is achieved with a simple structure to reduce consumption horsepower and increase fuel consumption efficiency thereby leading to low cost.
Claims16
A blade to be mounted on various kinds of work machines, the blade comprising:
- a central front face section and end front face sections disposed at right and left end sections thereof via jointed front face sections, wherein
- a bottom end of each of the jointed front face sections and a bottom end of each of the end front face sections are disposed substantially backward relative to a bottom end of the central front face section when viewed from their tops,
- each blade front face of the central front face section, the jointed front face sections and the end front face sections is constructed of a continuously curved concave face from a top end toward a bottom end thereof,
- blade width of the blade front face of the central front face section gradually increases from the bottom end toward the top end thereof, and
- the bottom end of the central front face section is extended in right and left directions perpendicularly to a digging direction.
2 more elements
Dependencies are inferred from the claim text.