Wiper actuating mechanism for an oil-pressure gauge

Details Wiper actuating mechanism for an oil-pressure gauge Wiper actuating mechanism for an oil-pressure gauge

1994-04-19

1995-08-22

Williams, Hezron E.

Measuring and testing

Fluid pressure gauge

Diaphragm

73 4R, G01L 902, G01L 2700

Patent

active

054435510

ABSTRACT:
A wiper actuating mechanism for use in an oil pressure measuring gague is equipped with an additional auxiliary spring plate and a push rod guide sleeve in addition to an improved two-arm wiper and a round diaphram board which is provided with a vertical flange on the periphery thereof for confining a rubber packing in place. The two-arm wiper can assure constant contact of the wiper with two sides of a winding board on which a resistive wire is attached; and the push rod guide sleeve can retain a slidable push rod in place which is not welded to the diaphram board and to move linearly so as to precisely pivot the two-arm wiper; the auxiliary spring plate disposed right under the diaphram board is also intended to reinforce the operation of the diaphram.

REFERENCES:
patent: 4718278 (1988-01-01), Bergsma
patent: 5040420 (1991-08-01), Murphy, Jr. et al.

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