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Class 73/268 - With oscillating or reciprocating valve


Subclass of Class 73 - Measuring and testing
Definition: Meters wherein the induction and/or eduction to
No. of patents: 5
Last issue date: 05/16/1995


NumberTitleIssue Date
5415032Gas meter
A compact, 4-chamber gas meter comprising crankpost and valve drive mechanisms whereby each reciprocating valve moves from a stroke shifting point near center to a stroke endpoint and back to said stroke shifting point with each 180° rotation of the cran...
05/16/1995
4901567Shaft device for a bellows-type gas meter
A shaft device for a bellows-type gas meter. A first eccentric cam assembly and an element having a radial groove are both coupled to the shaft. A second eccentric cam assembly having an opening is placed on the shaft. A rotatable insert element is insert...
02/20/1990
4856331Bellows-type gas meter
A bellows-type gas meter comprises two compartments each having a diaphragm as well as a shaft common to said two compartments, said shaft having two eccentric cam assemblies, one of said eccentric cam assemblies being connected with the crank assemblies ...
08/15/1989
4706496Diaphragm gas meter
A diaphragm gas meter wherein the movement of the diaphragms is in a side to side direction and the transfer valve assembly and connecting linkages are all substantially toward the rear of the meter....
11/17/1987
4091668Diaphragm type gas meter
In a diaphragm type gas meter, one crank plate pivotally mounting a pair of diaphragm movement transmission levers and the other crank plate pivotally mounting a pair of valve actuating levers overlap each other rockably around the central axis of a crank...
05/30/1978
 
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