Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Threaded fastener stress
Reexamination Certificate
2003-07-14
2008-09-23
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Threaded fastener stress
Reexamination Certificate
active
07426870
ABSTRACT:
For limiting twist of a measurement transmitter housing relative to a sensor element, onto which the measurement transmitter housing is screwed, axial barriers are provided, so that the axial position of the measurement transmitter housing relative to the sensor element is limited to a range between two extreme positions defined by the axial barriers. The axial barriers are preferably formed by a ring, which engages both an annular groove in an outer, lateral surface of the sensor element and an annular groove in a cylindrical duct of the transmitter housing.
REFERENCES:
patent: 4041379 (1977-08-01), Karlsson
patent: 4500300 (1985-02-01), Wolf et al.
patent: 5088339 (1992-02-01), Lochmoeller
patent: 5490751 (1996-02-01), Courgeon
patent: 5501377 (1996-03-01), Dubach
patent: 5737963 (1998-04-01), Eckert et al.
patent: 5810828 (1998-09-01), Lightman et al.
patent: 6557431 (2003-05-01), Pawlak
Bacon & Thomas PLLC
Davis Octavia
Endress & Hauser GmbH & Co. KG
Lefkowitz Edward
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