Balance arm for flat weighing machines

Details Balance arm for flat weighing machines Balance arm for flat weighing machines

1980-10-29

1982-09-21

Hartary, Joseph W.

Weighing scales

Beam

177DIG9, 308 2R, G01G 2114, G01G 2104

Patent

active

043502172

ABSTRACT:
A balance arm for flat weighing machines has a rigid frame formed by girder-section rails extending between side beams. A pair of knife-edges are attached to each rail to extend parallel to the longitudinal axis thereof with the sharp edges of each pair of knife-edges in alignment. The rails are secured to the side beams such that all the sharp edges lie in a common plane. The configuration of the rails enables all the knife-edges to be precision ground on a common grinding machine after attachment to the inside of the rails and before the side beams are attached to the rails.

REFERENCES:
patent: 1415508 (1922-05-01), Bandoly
patent: 3465838 (1969-09-01), Kienzle

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