Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1984-12-28
1986-12-02
Martin, Jr., William D.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
248649, A47B 910
Patent
active
046254242
ABSTRACT:
Apparatus for Levelling a surface, such as a table, includes several bellows containing a fluid connected to the surface, conduits connecting the bellows together and a control valve for connecting or disconnecting the conduits, the control valve being located in a chamber and being separated from an actuator by a diaphragm.
REFERENCES:
patent: 2956761 (1960-10-01), Weber
patent: 3310263 (1967-03-01), Cavanaugh
patent: 3768766 (1973-10-01), Bain
LandOfFree
Quick leveling apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Quick leveling apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quick leveling apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2285705