229910052751 metal Inorganic materials 0.000 description 3.238000002360 preparation method Methods 0.000 claims description 6.239000000725 suspension Substances 0.000 claims description 9.230000002457 bidirectional Effects 0.000 title description 3 Level determination with an electromechanical plumb bob sensor is one of the most customer-friendly technologies due to its simplicity and comprehensibility.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Rousey James R filed Critical Rousey James R Priority to US06/580,661 priority Critical patent/US4495707A/en Application granted granted Critical Publication of US4495707A publication Critical patent/US4495707A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Rousey Original Assignee Rousey James R Priority date (The priority date is an assumption and is not a legal conclusion. such as a two - way or a circular level, a plumb bob, leveling lugs, etc. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/580,661 Inventor James R. All liquid - measuring devices shall be installed plumb and level.
#PLUMB BOB LEVEL PDF#
Google Patents Bidirectional plumb bob levelĭownload PDF Info Publication number US4495707A US4495707A US06/580,661 US58066184A US4495707A US 4495707 A US4495707 A US 4495707A US 58066184 A US58066184 A US 58066184A US 4495707 A US4495707 A US 4495707A Authority US United States Prior art keywords plumb bob casing sidewalls level end wall Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4495707A - Bidirectional plumb bob level US4495707A - Bidirectional plumb bob level
0 kommentar(er)
