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经营范围
发明名称
活口扳手
摘要
申请公布号
TW018791
申请公布日期
1975.06.01
申请号
TW06323864
申请日期
1974.11.04
申请人
郑道淳
发明人
郑道轈
分类号
B25B13/08
主分类号
B25B13/08
代理机构
代理人
主权项
一种活动扳手,如图(活口原理与连动关系图)A、B两圆相割,摇柄依圆心A转动,活齿依圆心B转动,摇柄与活齿在两圆相割处以A为圆心之圆弧面上,当活齿受弹簧推力与母嘴保持平行位置时摇柄可绕A旋进、旋出、若摇柄旋出活齿底部时此时活齿若上部受力大于弹簧推力,将压迫弹簧绕圆心B向内转动活口张开若摇柄旋进活齿底部接触到母嘴时活齿底部绕B旋转的活动将受摇柄顶住母嘴的反作用力量阻止,活己即紧闭;故摇柄一左一右为一循环,则活齿活动以闭口,开口为一循环。
地址
台北巿牯岭街15号
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