| 发明名称 |
CHAIN BLOCK AND LOAD CHAIN |
| 摘要 |
A chain block is provided including a load chain which hangs a load, and a load sheave member which is rotatably supported between a first frame and a second frame, around which the load chain is wound, and which has a chain pocket in which the load chain goes, the load chain is made of a steel material having the Rockwell hardness C scale (HRC) of 47 to 51, and the load sheave member is made of a steel material in which at least the chain pocket has the Rockwell hardness C scale (HRC) of 40 to 45. |
| 申请公布号 |
US2015314998(A1) |
申请公布日期 |
2015.11.05 |
| 申请号 |
US201314648791 |
申请日期 |
2013.11.26 |
| 申请人 |
KITO CORPORATION |
发明人 |
ISHIKAWA Kazumistu;KOSUGA Kosuke |
| 分类号 |
B66D3/16;F16G13/12 |
主分类号 |
B66D3/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A chain block comprising:
a load chain which hangs a load; and a load sheave member which is rotatably supported between a first frame and a second frame, around which the load chain is wound, and which has a chain pocket in which the load chain goes, the load chain being made of a steel material having the Rockwell hardness C scale (HRC) of 47 to 51, and the load sheave member being made of a steel material in which at least the chain pocket has the Rockwell hardness C scale (HRC) of 40 to 45. |
| 地址 |
Nakakoma-gun, Yamanashi JP |
