发明名称 Self-leveling laser alignment tool and method thereof
摘要 A self-leveling laser alignment tool and method thereof which provides a laser beam in a substantially truly level or plumb orientation are disclosed. Magnetic attraction is used to compensate for leveling errors of an approximately or partially leveled pendulum platform that is suspended from a flexible suspension element having a predetermined material stiffness. The material stiffness of the suspension element is compensated by using a magnet which pulls the pendulum platform into an orientation that is substantially truly level and plumb.
申请公布号 US7073269(B2) 申请公布日期 2006.07.11
申请号 US20040968205 申请日期 2004.10.19
申请人 TRIMBLE NAVIGATION LIMITED 发明人 MCCARTY ROBIN
分类号 G01C5/02;G01C15/00;G01C15/10 主分类号 G01C5/02
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