Electricity: circuit makers and breakers – Float – Float and pressure
Reexamination Certificate
2006-06-27
2006-06-27
Friedhofer, Michael A. (Department: 2832)
Electricity: circuit makers and breakers
Float
Float and pressure
Reexamination Certificate
active
07067749
ABSTRACT:
A float switch and mounting bracket assembly made from plastic and impervio is to corrosion, with improvements over the prior art including a wide float switch body for enhanced water displacement that results in a more responsive operation, a housing that protects its float switch body from malfunction due to airborne debris, three oversized thumbscrews to facilitate and expedite installation, multiple crushable friction points within the top of the mounting bracket slot that stabilize the orientation of the bracket after installation, and longer lead wires and a higher voltage that allow use of the float switch and mounting bracket assembly in a wide variety of condensate collection and other applications.
REFERENCES:
patent: 2905783 (1959-09-01), Johnson, Jr.
patent: 3757318 (1973-09-01), Brisson
patent: 4183176 (1980-01-01), Barfield
patent: 4757305 (1988-07-01), Peso
patent: 4833441 (1989-05-01), Okada et al.
patent: 5862702 (1999-01-01), Liang
patent: 6513378 (2003-02-01), Love, Jr.
patent: 6681627 (2004-01-01), Li
patent: 6730865 (2004-05-01), Hernandez-Zelaya
Friedhofer Michael A.
Morse Dorothy S.
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