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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|