发明名称 Spirit level
摘要 PCT No. PCT/EP95/03693 Sec. 371 Date Jun. 9, 1997 Sec. 102(e) Date Jun. 9, 1997 PCT Filed Sep. 18, 1995 PCT Pub. No. WO96/09521 PCT Pub. Date Mar. 28, 1996A spirit level with a pair of elongate arms which are pivotable relative to each other about a pivot axis and which have a measuring device, for being placed on a plane and for detecting an inclination thereof, wherein each of the arms has a first and a second longitudinal portion with a bend portion connecting same, a longitudinal axis of the first longitudinal portion of each arm extended in a direction parallel to a longitudinal axis of the associated second longitudinal portion. The pivot axis extends in the regions of the bend portion of the arms. The first longitudinal portions of the two arms are of a substantially equal first length and the second longitudinal portions of the two arms are of a substantially equal second length.
申请公布号 US5881468(A) 申请公布日期 1999.03.16
申请号 US19970809996 申请日期 1997.06.09
申请人 BAUMANN, URS 发明人 BAUMANN, URS
分类号 G01C9/28;(IPC1-7):G01C9/28 主分类号 G01C9/28
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