Measuring and testing – Instrument casing
Patent
1996-10-29
1998-04-28
Williams, Hezron E.
Measuring and testing
Instrument casing
738663, G01D 1124
Patent
active
057447144
ABSTRACT:
An assembly for electrostatic discharge has a chassis (14, 24) inside the instrument housing (11, 12) with a support for holding wires (21), a pair of insulated wires (21) having portions where the insulation (31) is partially removed and where the wires are mounted to the support (25), a base (12) of a conductive material having a projection (43) extending upward opposite the portions (42) where the insulation (31) has been removed, such that a gap (44) is provided through which charge may be conducted to the base (12) of conductive material for discharge from the interior space (41) of the instrument (10). The instrument (10) contains a volume of a gas for conducting electrostatic charge.
REFERENCES:
patent: 2620412 (1952-12-01), Ford
patent: 3725745 (1973-04-01), Zisa
patent: 4110814 (1978-08-01), Britton et al.
patent: 4868566 (1989-09-01), Strobel et al.
patent: 5365785 (1994-11-01), Martin
Bloss, Jr. Kenneth R.
Lazar Mark M.
Strobel Donald H.
Walding, Jr. H. Paul
Badger Meter Inc.
Fayyaz Nashmiya
Williams Hezron E.
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