Back to results
US 7,234,871 B2Granted
Sliding bearing for use under high load
AssigneeHitachi Powdered Metals Co., Ltd.
InventorsKazuo Maruyama, Motohiro Miyasaka, Osamu Mawatari
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeHitachi Powdered Metals Co., Ltd.
InventorsKazuo Maruyama, Motohiro Miyasaka, Osamu Mawatari
Estimating the term…
A sliding bearing which is suitable for and durable in the use under high load of sliding in rocking motion, and the structure of bearing is not complicated so as to facilitate the manufacturing. The alloy used for making the bearing is composed of iron-based sintered alloy having quenched structure, and the bearing surface is provided with inclined grooves of an inclination angle of 10 to 40° relative to the direction perpendicular to the sliding direction and a width of 2 to 8 mm and the area of inclined grooves is 50% or less of the total inner bearing surface and an imaginary line perpendicular to the sliding direction crosses both the inclined groove and the bearing surface at any position of the inner surface of bearing. When the bearing is used, at least the inclined grooves are impregnated with a lubricant.
A sliding bearing for use under high load, in which the alloy used for making said bearing is composed of an iron-based sintered alloy having quenched structure, the inner surface of said bearing is provided with inclined grooves of an inclination angle in the range of 10 to 40° relative to the direction perpendicular to the sliding direction, the width of said inclined grooves is in the range of 2 to 8 mm, the area of said inclined grooves is 50% or less of the total inner surface of said bearing, an imaginary line perpendicular to the sliding direction crosses both the inclined groove and the bearing surface at any position of the inner bearing surface, and at least said inclined grooves are impregnated with a lubricant.
Dependencies are inferred from the claim text.