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发明名称
开口旋转扳手
摘要
一种属于手动工具技术领域的新型旋转扳手,这种扳手两唇平口,两唇工作面平行紧靠扳口两唇后部有一圆槽(3)能自由旋转,保持了原扳手的全部功能,使用时灵活方便,扭动一次后,不必退出扳手,对误差偏大的紧固件也能容纳,可取代所有的普通呆扳手。
申请公布号
CN2057881U
申请公布日期
1990.06.06
申请号
CN89213238.8
申请日期
1989.10.09
申请人
何水峰
发明人
何水峰
分类号
B25B13/08
主分类号
B25B13/08
代理机构
代理人
主权项
1、一种属于手动工具技术领域的可旋转扳手,其特征在于上、下唇平口,两唇工作面平行,紧靠扳口两唇后部有一圆槽(3),圆槽的直径按紧固件对角尺寸e+1、20毫米至e+1.40毫米。下唇工作面的长度相当于紧固件边长的一半,加2-4毫米,扳手规格越大,增加系数越小,反之系数越大。
地址
四川省涪陵地区新华机械厂648000
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