Gear and drive shaft assembly for a float gauge

Details Gear and drive shaft assembly for a float gauge Gear and drive shaft assembly for a float gauge

2007-05-22

2007-05-22

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Float

C073S305000, C073S29000R

Reexamination Certificate

active

11084574

ABSTRACT:
A float-type liquid level gauge assembly is provided for measuring the level of a liquid in a tank. The liquid level gauge is designed to reduce inventory requirements and to speed the assembly process. The gauge includes a gear housing having a lower longitudinal passageway, a shaped drive shaft, a shaft head with a first receptacle and a pinion gear with a second receptacle. The shaped drive ends mate with the first and second receptacles such that the drive shaft may be inserted into the receptacles at two or less orientations. The length of the first receptacle is less than the length of the lower longitudinal passageway, so that if the drive shaft slips down in the first receptacle the drive shaft will not completely fall out of the first receptacle.

REFERENCES:
patent: 2584446 (1952-02-01), Hastings et al.
patent: 6041650 (2000-03-01), Swindler et al.
patent: 6089086 (2000-07-01), Swindler et al.
patent: 6523406 (2003-02-01), Housey et al.
patent: 6675648 (2004-01-01), Housey et al.
The “One” Gauge Adjustable Liquid-Level Gauge, Rochester Gauges, Inc. ISO 9001 and QS-9000 Registered, 49S, Sep. 15, 2003.

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