发明名称 |
Roller equipped uncoupling cam |
摘要 |
A hook-type coupler for attachment to an end of a railway transit vehicle for joining adjacent ends of a pair of railway transit vehicles wherein the hook-type coupler has a hook member pivotally mounted therein being pivotal between a latch position and an unlatch position and adapted to engage a second pivotally mounted hook member in a second hook-type coupler of compatible design and includes an uncoupling cam for forcibly pivoting the hook member to the unlatch position and a roller rotatably secured to the uncoupling cam to rollably engage a surface of the hook member when the uncoupling cam is activated through a partial rotation thereby pivoting such hook member to the unlatch position without significant sliding frictional engagement between the uncoupling cam and the hook member.
|
申请公布号 |
US5954211(A) |
申请公布日期 |
1999.09.21 |
申请号 |
US19970926635 |
申请日期 |
1997.09.10 |
申请人 |
WESTINGHOUSE AIR BRAKE COMPANY |
发明人 |
GRAU, CURTISS A.;RUMSEY, STEVEN C. |
分类号 |
B61G3/08;(IPC1-7):B61G3/00 |
主分类号 |
B61G3/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|