The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 22, 1986

Filed:

Feb. 06, 1984
Applicant:
Inventor:

Narandranath Menon, Arlington, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01G / ;
U.S. Cl.
CPC ...
177208 ; 177254 ;
Abstract

A load cell includes a base (40) with a cavity (42) formed therein. A diaphragm (46) is disposed over the cavity (42) to form a chamber (48) that is filled with hydraulic fluid. A piston formed of two halves (60) and (62) is disposed adjacent the surface of the diaphragm (46). A high tensile strength resilient membrane (58) is disposed between the two halves (60) and (62) of the piston and secured thereto with bolts (64) and (66). A securing ring (68) secures the diaphragm (46) around the periphery thereof to the base (40). A securing ring (72) secures the peripheral edge of the membrane (58) to the securing ring (68). The membrane (58) provides tension forces about the periphery of the piston to impede lateral movement thereof to maintain the piston in the center of the cavity (42).


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