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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B62D-055/205 B62D-055/20 C21D-001/18|
|미국특허분류(USC)||305/201; 305/198; 148/663|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 4 인용 특허 : 6|
A link has link connecting bores (15) and (16) at both ends thereof and a wear rail (13) disposed between the upper portions of the link connecting bores (15) and (16). Portions near the ends of the wear rail (13) are designed to have a hardness smaller than that of a center portion of the wear rail. Accordingly, the portions near the ends of the wear rail can be abraded more easily than the center portion of the wear rail. Since the portions near the ends of the wear rail, in which the portions are easily abraded, are positioned closer to the link con...
What is claimed is: 1. A link to be provided with a shoe plate and to be circularly connected by pins for constituting a crawler chain in a crawler belt, the crawler belt being wound around a sprocket wheel, an idler tumbler and a roller for a track-type work machine, the link comprising: a mounting surface to which the shoe plate is to be mounted; and a wear rail made of a uniform material and positioned opposite to said mounting surface, wherein said wear rail comprises a surface having a contact portion arranged so as to contact the idler tumbler or ...