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Weighing device

  • US 4,219,090 A
  • Filed: 04/13/1979
  • Issued: 08/26/1980
  • Est. Priority Date: 04/13/1979
  • Status: Expired due to Term
First Claim
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1. A mechanical-hydraulic weighing device comprising:

  • (a) a housing having a base member including a bottom with upstanding side walls and a detached cover with downwardly extending side walls to define a generally enclosed housing interior, said base member and cover having clearance therebetween to permit free, relative motion between the same, said housing interior also having cover leveling means therein,(b) a flexible metal, low pressure fluid load cell approximately centered in the base and sized to operate with less than fifty pounds per square inch pressure when subjected to a maximum load of three hundred pounds, said load cell being operatively contacted by said cover,(c) mounting means for said load cell including conduit means comprising a pair of upper and lower plates, the lower of which has an elongated slot and the upper of which has holes registering with each end of said slot, one hole registering with and connected to said load cell and the other registering with and connected to said connector post to form a fluid path,(d) connector post means attached to said mounting means and including fitting means for attaching a hose thereto,(e) a hose assembly attached to said connector post means, and(f) a weight indicator housing containing a hydraulically actuated assembly and indicator, and a dial divided into weight increments for visual reading of said indicator with respect to said dial.

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