发明名称 Device for setting inclination
摘要 PCT No. PCT/SE81/00095 Sec. 371 Date Nov. 24, 1981 Sec. 102(e) Date Nov. 24, 1981 PCT Filed Mar. 25, 1981.A device for setting the inclination of a reference object such as a mirror or the like, used as a reference for lining up, levelling in, etc. The mirror (10) is rotatably balanced about an axle (12) and a portion thereof below said axle is provided with a moveable bob (14). A displacement of the bob causes the desired inclination of the mirror about the axle.
申请公布号 US4430804(A) 申请公布日期 1984.02.14
申请号 US19810328546 申请日期 1981.11.24
申请人 NORDGREN, BO;JOHANSSON, IVAR 发明人 NORDGREN, BO;JOHANSSON, IVAR
分类号 G01C15/00;G02B7/182;(IPC1-7):G01C9/12 主分类号 G01C15/00
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