保存成功
保存失败
公开(公告)号:US3947948A
公开(公告)日:1976-04-06
申请号:US529935
申请日:1974-12-05
申请人: Roland Fredriksson , Ingvar Eklund
发明人: Roland Fredriksson , Ingvar Eklund
IPC分类号: B25B29/02 , F16B4/00 , F16B31/04 , B23P19/02
CPC分类号: F16B4/002 , B25B29/02 , F16B31/043 , Y10T29/49817 , Y10T29/49824 , Y10T403/1633 , Y10T403/22
摘要: A pre-tensioned, screwed joint is assembled or disassembled by using a piston and rod arrangement to elastically extend the screw while a nut is applied or removed.
摘要翻译: 通过使用活塞和杆装置来组装或拆卸预张紧的螺纹接头,以在施加或移除螺母的同时弹性地延伸螺钉。