Weighing scales – Self-positioning – Electrical current generating or modifying
Patent
1994-07-28
1995-12-26
Wong, Peter S.
Weighing scales
Self-positioning
Electrical current generating or modifying
7386259, G01G 314
Patent
active
054789753
ABSTRACT:
In a load cell for a weighing machine, the load cell includes a vibrating beam force sensor clamped at its two ends to respective support parts of the load cell, and wherein each end of the sensor is clamped by a bolt having a head which traps the associated end of the sensor against a support part, the bolt having remote from its head a threaded portion engaged with a nut which tensions the bolt, and a portion of non-circular cross section having at least one cross sectional dimension which is greater than that of the threaded portion, the non-circular cross section portion of the bolt having been drawn through a hole in the support part which had a diameter less than said one cross sectional dimension. This reduces the production of forces parallel to the plane in which clamping is required.
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patent: 4947694 (1990-08-01), Kirman et al.
GEC Avery Limited
Gibson Randy W.
Wong Peter S.
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