Diaphragm transducer for sensing loading

Details Diaphragm transducer for sensing loading Diaphragm transducer for sensing loading

1988-06-23

1989-04-25

Myracle, Jerry W.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Threaded fastener stress

7386265, F16B 3102

Patent

active

048236063

ABSTRACT:
A diaphragm transducer (10) for sensing loading includes a bolt (12) having a bolt hole (26) whose head portion (28) receives the diaphragm (34) of a transducer member (32) which also includes a stem (36) received within a shank portion (30) of the bolt hole. Both the diaphragm (34) and the stem (36) are fixed so as to sense loading by one or more strain gauges on the diaphragm. The transducer member (32) preferably has a unitary construction with the diaphragm (34) and stem (36) integral with each other. A bolt seat (40) and a retainer (42) preferably cooperate to clamp a rim (50) of the diaphragm periphery, while threads (58) on a distal end (38) of the stem (36) are received by threads (62) of the bolt hole shank portion (30) to secure the stem.

REFERENCES:
patent: 2848892 (1958-08-01), Hoffman
patent: 2925576 (1960-02-01), Wakeland et al.
patent: 3161844 (1964-12-01), Kabell
patent: 3493912 (1970-02-01), Tull et al.
patent: 4267725 (1981-05-01), Roth et al.
patent: 4429579 (1984-02-01), Wilhelm
patent: 4553124 (1985-11-01), Malicki
patent: 4630490 (1986-12-01), Malicki

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