Measuring and testing – Vibration – Vibrator
Patent
1995-05-17
1997-01-14
Chapman, John E.
Measuring and testing
Vibration
Vibrator
73665, 73666, G01M 706
Patent
active
055941770
ABSTRACT:
A shaker table comprises upper and lower plates spaced apart by a plurality of spacers that fit between the plates. Each spacer has an upper shaft, which threads into a vibrator opening in the upper plate, and a lower coaxial shaft, which slides into a vibrator opening in the lower plate. The spacer has a threaded internal coaxial opening extending through the spacer. A bolt for securing a vibrator to the bottom of the table engages the internal opening and secures the vibrator and the lower plate to the spacer and upper plate. A mounting bolt for attaching a test product or test fixture to the top of the table threads into the internal opening from the top.
REFERENCES:
patent: 4164151 (1979-08-01), Nolan et al.
patent: 5412991 (1995-05-01), Hobbs
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