发明名称 Method and apparatus for winching
摘要 A process for winching comprising attaching a first line to a jack, connecting a second line to the object to be winched, connecting a third line to the running gear of the jack, immobilizing the jack, connecting the third line to the second line and cranking the jack to move the object, and connecting the first line to the second line to hold the object in its new position. Apparatus for holding an object being winched in a new position including a winch tensioner bracket connected to a grab hook by a chain.
申请公布号 US6595490(B1) 申请公布日期 2003.07.22
申请号 US20020154307 申请日期 2002.05.23
申请人 BLOOMFIELD MANUFACTURING COMPANY 发明人 HARRAH ERIC A.;SIMPSON PATRICK F
分类号 B66D3/02;B66F1/06;(IPC1-7):B66F1/04 主分类号 B66D3/02
代理机构 代理人
主权项
地址