Gas meter of gas canister valve

Details Gas meter of gas canister valve Gas meter of gas canister valve

2009-04-09

2011-10-25

Hepperle, Stephen M (Department: 3753)

Fluid handling

With indicator, register, recorder, alarm or inspection means

C137S558000, C116S227000

Reexamination Certificate

active

08042567

ABSTRACT:
A gas meter is mounted between vertical and horizontal branch tubes of a gas canister valve and has an indication pointer driven by a magnetic block that is movable inside the valve to indicate a residual quantity of gas inside the canister. The gas meter includes a casing that is magnetically non-conductive and forms at a top edge of a back thereof an inverted slope surface, an upper clamp extending from opposite sides of the inverted slope surface in an upward direction to clamp the vertical branch tube, and a side clamp engageable with the horizontal branch tube. The back of the meter casing is recessed at a location opposite to and interfering with an outer top edge of an enclosure for the magnetic block to form a fitting groove that corresponds to the top edge of the enclosure.

REFERENCES:
patent: 2992560 (1961-07-01), Morgan et al.
patent: 3704724 (1972-12-01), Holbrook et al.
patent: 4416211 (1983-11-01), Hoffman
patent: 4483367 (1984-11-01), Ross et al.
patent: 5479820 (1996-01-01), Fekete
patent: 5821869 (1998-10-01), Schweitzer, Jr.
patent: 7219686 (2007-05-01), Schmitz et al.
patent: 7726334 (2010-06-01), Ross et al.
patent: 2007/0120701 (2007-05-01), Teller

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