Level

Details Level Level

2005-09-21

2009-08-04

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

C033S379000

Reexamination Certificate

active

07568292

ABSTRACT:
A level being one in which a mounting base2is configured so that a first unit2A that presses against the inner surface of one side of the container case3and a second unit2B that presses against the inner surface of the opposing opposite side of the container case3are slidably assembled by way of a slide mechanism S; the slide mechanism S is formed so that the assembly contact surfaces5and6of the first unit2A and second unit2B are formed as slope guide surfaces5and6; the slope guide surfaces5and6make contact with each other, the second unit2B is slidably configured in the slope direction in relation to the first unit2A.

REFERENCES:
patent: 1141617 (1915-06-01), Creamer
patent: 2102364 (1937-12-01), Langsner
patent: 5111589 (1992-05-01), Tate
patent: 5506759 (1996-04-01), Shirai et al.
patent: 6968626 (2005-11-01), Wondracek
patent: 2005/0160610 (2005-07-01), Scheyer
patent: 11-512821 (1999-11-01), None
patent: 2001-343236 (2001-12-01), None
patent: 2002-39752 (2002-02-01), None
Japanese Office Action dated Oct. 2, 2008 (2 pages).

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