发明授权
- 专利标题： Convertible rail-highway traction vehicle
- 专利标题（中）： 可变轨道高速牵引车
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申请号： US3709153D申请日： 1970-05-06
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公开(公告)号： US3709153A公开(公告)日： 1973-01-09
- 发明人: HERSCOVITCH W
- 申请人： HERSCOVITCH W
- 专利权人： W Herscovitch
- 当前专利权人： W Herscovitch
- 优先权： GB2339769 1969-05-07
- 主分类号： B61J3/12
- IPC分类号： B61J3/12 ; B61C13/00 ; B61C15/04 ; B61F9/00
摘要：
The invention relates to railway tractor engines and in particular to means for transferring part of the weight of a towed car onto the wheels of the tractor engine so as to prevent overturning or derailing and to increase the friction between the wheels and the rails. The invention relates in particular to traction engines with knuckle type couplers.
信息查询
