发明名称 Drill attachment and tool for actuating jacks on trailers
摘要 A drill attachment for transferring torque from a rotary power tool to a jack of a trailer. The drill attachment includes a sleeve portion that fits over and is connectable to the rotatable drive shaft of the trailer jack. The drill attachment includes a chuckable end for attachment to the rotary power tool. It is an advantage that the drill attachment provides an automatic and economic way to raise and lower trailer jacks. The drill attachment also provides for a power tool which is interchangeable among several different trailer jacks.
申请公布号 US5897121(A) 申请公布日期 1999.04.27
申请号 US19980119188 申请日期 1998.07.20
申请人 CASE, GREGORY 发明人 CASE, GREGORY
分类号 B23B5/22;B25B13/48;B60S9/06;B66F3/12;(IPC1-7):B23B5/22 主分类号 B23B5/22
代理机构 代理人
主权项
地址