Multipurpose retractable leveling device

Details Multipurpose retractable leveling device Multipurpose retractable leveling device

1998-01-07

2000-11-21

Bennett, G. Bradley

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33369, G01C 926

Patent

active

061485292

ABSTRACT:
A multipurpose retractable leveling device including a pair of side housings each having a generally rectangular configuration. A central level portion is positioned between the pair of side housings. The central level portion is defined by a rectangular housing with a vertically oriented spirit level and a horizontally oriented spirit level. A pair of strings have first ends secured to a first side housing with the strings extending through the central level portion with second ends of the pair of strings extending inwardly of a second side housing whereby the central level portion is slidably disposed on the pair of strings. A locking retractable spool is disposed within the second side housing for engaging the second ends of the pair of strings.

REFERENCES:
patent: 1624684 (1927-04-01), Smith
patent: 2680302 (1954-06-01), Standal
patent: 4189844 (1980-02-01), Riggins, Sr.
patent: 4607437 (1986-08-01), McSorley, Sr. et al.
patent: 4745689 (1988-05-01), Hiltz
patent: 5412875 (1995-05-01), Hilderbrandt
patent: 5577327 (1996-11-01), Archambault

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