公开(公告)号：US20230128110A1

公开(公告)日：2023-04-27

申请号：US18049442

申请日：2022-10-25

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Yuichi KUMAGAI ,  Yohei TAKADA

IPC: E05D15/06 ,  B29C45/14 ,  B29C45/00

Abstract: A roller including: a main body portion configured to include an outer ring and a rotatable inner ring on an inner circumferential side of the outer ring; and a covering portion disposed on an outer circumferential surface of the outer ring, the covering portion being made of a synthetic resin in which reinforced fibers are dispersed, wherein the covering portion includes a region in which arrangement directions of the reinforced fibers are aligned.

公开(公告)号：US20150260223A1

公开(公告)日：2015-09-17

申请号：US14640091

申请日：2015-03-06

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Yuichi KUMAGAI ,  Akiyoshi IMAMURA ,  Atsushi KOGA

IPC: F16C33/14 ,  F16C33/12 ,  F16C33/04

CPC classification number: F16C33/14 ,  F16C33/046 ,  F16C33/122 ,  F16C33/125

Abstract: Disclosed is a bearing device including: a bearing housing made of an Al alloy and having a bearing holding hole; a sliding bearing having a cylindrical shape and forced into the bearing holding hole; and a shaft supported with an inner circumferential surface of the sliding bearing, wherein in the sliding bearing to be forced into, a plurality of hardened convex portions projecting toward the second circumferential direction end surface being formed on the first circumferential direction end surface, a plurality of hardened concave portions corresponding to the plurality of hardened convex portions being formed on the second circumferential direction end surface, a first hardened area being formed on each of the hardened convex portions of the first circumferential direction end surface and its vicinity, and a second hardened area being formed on each of the hardened concave portions of the second circumferential direction end surface and its vicinity.

Abstract translation: 公开了一种轴承装置，包括：由Al合金制成并具有轴承保持孔的轴承壳体; 具有圆柱形并被迫进入轴承保持孔的滑动轴承; 以及支撑在所述滑动轴承的内周面的轴，其特征在于，在所述滑动轴承中，在所述第一圆周方向端面上形成有朝向所述第二圆周方向端面突出的多个硬化凸部， 对应于多个硬化凸部的硬化凹部形成在第二圆周方向端面上的第一硬化区域，形成在第一圆周方向端面及其附近的每个硬化凸部上，第二硬化区域 区域形成在第二圆周方向端面的每个硬化凹部及其附近。

公开(公告)号：US20150260222A1

公开(公告)日：2015-09-17

申请号：US14640073

申请日：2015-03-06

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Yuichi KUMAGAI ,  Akiyoshi IMAMURA

IPC: F16C33/12 ,  F16C33/04

CPC classification number: F16C33/046 ,  F16C17/02 ,  F16C25/04 ,  F16C33/08 ,  F16C33/122 ,  F16C2240/40

Abstract: Disclosed is a sliding bearing having a cylindrical shape, including: a Fe alloy back metal layer on an outside diameter side of the cylindrical shape and a sliding layer on an inside diameter side; and a first and second circumferential direction end surfaces, the first and the second circumferential direction end surfaces facing each other, a plurality of hardened convex portions projecting toward the second circumferential direction end surface being formed on the first circumferential direction end surface, a plurality of hardened concave portions corresponding to the plurality of hardened convex portions being formed on the second circumferential direction end surface, a first hardened area being formed on each of the hardened convex portions of the first circumferential direction end surface and its vicinity, and a second hardened area being formed on each of the hardened concave portions of the second circumferential direction end surface and its vicinity.

Abstract translation: 公开了一种具有圆筒形状的滑动轴承，包括：在圆筒形外径侧的Fe合金背金属层和内径侧的滑动层; 以及第一和第二圆周方向端面，所述第一和第二圆周方向端面彼此面对，在所述第一圆周方向端面上形成有朝向所述第二圆周方向端面突出的多个硬化凸部，多个 在第二圆周方向端面上形成有与多个硬化凸部对应的硬化凹部，在第一周向端面及其附近的硬化凸部上形成有第一硬化区域和第二硬化区域 形成在第二圆周方向端面的每个硬化凹部及其附近。