serves to normally retain the lug ill) in engagement with one of the notches 23 in the disk 22 whereby to prevent the rotation of the shaft 15 and the unwinding of the cord 34. G01C15/00- Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00įrom the above, it will thus be seen that the spring 31.
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 Senez William filed Critical Senez William Priority to US94296A priority Critical patent/US1609777A/en Application granted granted Critical Publication of US1609777A publication Critical patent/US1609777A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US94296A Inventor Senez William Original Assignee Senez William Priority date (The priority date is an assumption and is not a legal conclusion.
Plumb bob chalk line pdf#
Google Patents Chalk line and plumb bobĭownload PDF Info Publication number US1609777A US1609777A US94296A US9429626A US1609777A US 1609777 A US1609777 A US 1609777A US 94296 A US94296 A US 94296A US 9429626 A US9429626 A US 9429626A US 1609777 A US1609777 A US 1609777A Authority US United States Prior art keywords partition wall shaft plumb bob secured locking plate Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US1609777A - Chalk line and plumb bob
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