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公开(公告)号：US4256156A
公开(公告)日：1981-03-17
申请号：US54718
申请日：1979-07-05
CPC分类号： B23D51/125 , B23D49/12
摘要： A multi-tension hacksaw including a longitudinallly extending frame member having a first blade support member on one end and a bracket on the other end extending laterally therefrom a second blade support member pivotally mounted on the bracket, a tensioning rod having a threaded first end adjacent to the first blade support member and a second end pivotally connected to the second blade support member, an elongated crank handle threadedly and rotatably engaging the threaded first end of the tensioning rod so that rotation of the crank handle applies tension to the tensioning rod, and a tension indicator including a pointer mounted on the bracket and a tension indicia on the second blade support member cooperating with the pointer.
摘要翻译： 一种多张钢索，包括纵向延伸的框架构件，其一端具有第一叶片支撑构件，在另一端的支架上横向延伸，第二叶片支撑构件可枢转地安装在支架上;张紧杆，其具有螺纹的第一端相邻 第一刀片支撑构件和可枢转地连接到第二刀片支撑构件的第二端，细长的曲柄柄，螺纹和可旋转地接合张紧杆的螺纹的第一端，使得曲柄柄的旋转对张紧杆施加张力， 张力指示器，包括安装在支架上的指针和与指示器协作的第二刀片支撑构件上的张力指示。
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公开(公告)号：US4208148A
公开(公告)日：1980-06-17
申请号：US9754
申请日：1979-02-05
申请人： Donald W. Biszantz
发明人： Donald W. Biszantz
IPC分类号： B25G3/28
CPC分类号： B25G3/28 , Y10T403/4661 , Y10T403/76
摘要： A wedge for securing a wooden handle to the head of a tool, the wedge having serrated tapered surfaces and serrated tapered edges and being bent into a U-shape. The wedge has a bight portion laying adjacent the end of the oval-shaped eye of the tool, and has arms lying parallel to the major axis of the oval-shaped eye of the tool.
摘要翻译： 用于将木制手柄固定到工具头部的楔形件，楔形件具有锯齿形锥形表面和锯齿形锥形边缘并弯曲成U形。 楔形物具有靠近工具的椭圆形眼睛的端部的弯曲部分，并且具有平行于工具的椭圆形眼睛的长轴的臂。
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