发明名称 ANTI-SLIP WRENCH
摘要 An anti-slip wrench includes a handle having two opposite grip surfaces, and at least one slant slot formed on at least one of the grip surfaces of the handle. The slant slot is through the grip surface from one lateral surface of the handle to the other. The slant slot is a concave surface with two side edges, which meet the grip surface respectively. The slant slot inclines at an included angle, which is defined between a slot axis of the slant slot and a longitudinal direction of the handle. The user contacts the concave surface of the slant slot, in which the thumb to fit, so as to manipulate the handle, as the slant slot on the handle is provided with preventing the thumb sliding longitudinally and transversely therefrom.
申请公布号 US2011192260(A1) 申请公布日期 2011.08.11
申请号 US20100701894 申请日期 2010.02.08
申请人 HSIEH CHIH-CHING 发明人 HSIEH CHIH-CHING
分类号 B25B23/16 主分类号 B25B23/16
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