Weighing scales – Load guide – Rail
Patent
1988-01-15
1989-05-30
Miller, Jr., George H.
Weighing scales
Load guide
Rail
177211, 7386266, G01G 1904, G01G 314, G01L 122
Patent
active
048341991
ABSTRACT:
A weight sensing apparatus comprising first and second support means, a load carrying member supported on said first and second support means, a sensing portion of the load carrying member which terminates inwardly of at least one end of the load carrying member and being disposed between said support means and therebeing at least one further portion of the load carrying member which extends away from said sensing portion beyond an adjacent one of said first and second support means towards an end of the load carrying member, a load receiving region provided on said sensing portion, at least one strain gauge positioned on the sensing portion to sense the strain in said member to provide a signal indicative of load applied to the load receiving region, said at least one strain gauge being positioned between the support means at a distance from at least one of the first support means, the second support means and the load receiving means, which is not greater than a distance d max., where d max. is the maximum thickness of the member between the first and second support means in the direction in which the load is to be applied.
REFERENCES:
patent: 3155184 (1964-11-01), Raskin
patent: 3448424 (1969-06-01), Laimins
patent: 3734216 (1973-05-01), Nordstrom et al.
patent: 3741327 (1973-06-01), Nordstrom et al.
patent: 4516646 (1985-05-01), Bergfalk
patent: 4549622 (1985-10-01), Leiman
patent: 4744254 (1988-05-01), Barten
Patent Abstracts of Japan, vol. 7, No. 93, [JP-A-5819515]: 2/1983.
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