Torque arm mounting for weigh scale

Details Torque arm mounting for weigh scale Torque arm mounting for weigh scale

G - Physics

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G01G 21/00 (2006.01) G01G 5/04 (2006.01) G01G 19/02 (2006.01) G01G 21/12 (2006.01) G01G 21/23 (2006.01) G01G 23/00 (2006.01)

Patent

CA 1161075

ABSTRACT OF THE DISCLOSURE A novel internally pivoted torque device for weight-in- motion or for static scales is provided herein. It includes at least four internally pivoted torque-transmitting tubular arms arranged around the perimeter of the fixed bed for the load-supporting platform. One portion of each of the torque-transmitting tubular arms is supported with respect to a fixed peripheral frame base structure of the fixed bed, and with another portion of each of the torque-transmitting tubular arms being supported in guideways with respect to a central load-supporting platform of the fixed bed. The improved mounting for the torque arm includes a pair of spaced-apart, vertically disposed inner and outer guideways extending along chords of the end of the torque-transmitting tubular arms. A horizontally extending hardened wear surface intersects the guideways, to divide each inner and outer guideway into an upper and a lower guideway. Four support shoes are provided, namely an inner upper and an inner lower support shoe as well as an outer upper and an outer lower lower support shoe. Each such shoe except for only one of the inner shoes has a broad arcuate support surface of each of the four shoes is disposed in an associated guideway and bears against the hardened wear surface. The broad arcuate support surfaces bear against respective upper and lower wear plate portions of the central load-supporting platform and of the outer fixed frame. The broad flat support surface is secured with respect to a respective upper or lower surfaces of the outer fixed frame. For a given weight, the torque on the torque tube member is thus reduced by a significant amount, i.e., seventy-five per cent or more. This significantly reduces its weight, its cost of production and its cost of operation.

381493

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