发明名称 Ergonomic handle for a power tool
摘要 It is an object of the invention to provide a fatigue reducing structure in a hand-held power tool. A representative screwdriver 100 includes a body 101, an anvil 106, a driver bit 110, a driving motor 120, a handgrip 130, a trigger 131, a rear end groove 109 pressed forward toward the driver bit 110, while being held with first and second fingers of user's hand on a housing rear end 101a side of the body 101, a circular arc portion 130c having a horizontal section of a circular arc shape on a rear end of the handgrip 130 and a middle portion 109b having a horizontal section of a circular arc shape on a housing rear end 101a side of the holding part, which circular arc shape has a curvature larger than that of the circular arc shape of the first circular arc portion.
申请公布号 US8261853(B2) 申请公布日期 2012.09.11
申请号 US20090591083 申请日期 2009.11.06
申请人 HACHISUKA TOMOHIRO;MAKITA CORPORATION 发明人 HACHISUKA TOMOHIRO
分类号 B25F5/02 主分类号 B25F5/02
代理机构 代理人
主权项
地址