|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B21L-003/00 F16H-007/06 F16H-007/00|
|§371/§102 date||20040102 (20040102)|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 11 인용 특허 : 6|
A shoe (10) for a crawler track has two roller paths (16, 17) thereon, upon which a dual rim roller travels in use. The roller paths (16, 17) are aligned with leading and trailing lugs (11, 12) respectively, of the shoe 10. Drive lugs (18, 19) are provided on the outside of the roller paths (16, 17). In use, the drive lugs (18, 19) are engaged by sprocket teeth to drive the crawler track. The drive lugs (18, 19) stand proud of the roller paths (16, 17), but may also be recessed below the roller paths.
The invention claimed is: 1. A crawler track shoe comprising a body having a pair of parallel roller paths on an upper surface of the body upon which respective rollers travel in use, a pair of drive lugs operatively engaged by sprocket teeth, each drive lug being located adjacent a respective roller path and on a side of the respective roller path opposite to the other roller path, a leading connection lug located on one end of the body for articulated connection to a shoe adjacent said one end of the body, a trailing connection lug located on the oppo...