发明名称 Adjustable spirit level construction
摘要 A spirit leveling attachment for a power tool which is universally adjustable relative to the tool so as to enable the tool to be located in anyone of a number of selected positions of angularity and maintained in such position by visual reference to the spirit level. A magnetized support member having a partly spherical recess is mounted on the tool. The spirit level is formed with a partly spherical body member which is accommodated in the recess of the magnetized support member, enabling the body member to be magnetically retained in the recess in selected positions of adjustment relative to the support member.
申请公布号 US4546549(A) 申请公布日期 1985.10.15
申请号 US19840628519 申请日期 1984.07.05
申请人 DUPERON, TERRY 发明人 DUPERON, TERRY
分类号 B25H1/00;(IPC1-7):B23B45/00 主分类号 B25H1/00
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