Measuring and testing – Dynamometers – Responsive to force
Patent
1996-08-23
1998-02-03
Dougherty, Elizabeth L.
Measuring and testing
Dynamometers
Responsive to force
73862471, 73715, G01L 208
Patent
active
057146934
ABSTRACT:
There are dynamic sensors whose plunger is seated in the center of at least one diaphragm. In certain instances of use it is not possible to protect the sensitive diaphragms against inappropriate handling. For example, dynamic sensors are employed in the textile industry as yarn tensile force sensors. The diaphragm in which the yarn feeler is seated, which faces the yarn travel path, cannot be protected by means of a cover against unintentional touching, since dust accumulations between the cover and the diaphragm can hamper its function. For protecting the diaphragm it is therefore proposed in accordance with the invention that a support body is disposed a short distance behind the diaphragm and that the side of the support body facing the diaphragm has a support contour which is essentially matched to the contour on the side of the diaphragm facing the support body.
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Christof Rohrbach, "Handbuch fur elektrisches Messen mechanischer Gross en", 1967, pp. 199-201.
Dougherty Elizabeth L.
W. Schlafhorst AG & Co.
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