Letter scale with coin counter-balance

Details Letter scale with coin counter-balance Letter scale with coin counter-balance

1988-10-03

1989-06-20

Miller, Jr., George H.

Weighing scales

Preset

Lever balance-type beam

177251, G01G 2314, G01G 118

Patent

active

048402419

ABSTRACT:
A coin scale for measuring weight of a mailing material comprises a scale section and a base section situated under the scale section. The scale section includes an elongated arm, a coin receiving member formed at one end of the arm, a mail receiving member formed at the other end of the arm, and a first supporting device situated between the coin receiving member and the mail receiving member. The first supporting device is provided with a plurality of supporting points. The base section include a stand and a second supporting device formed on the stand. The second supporting device rotatably engages one of the supporting points and supports the arm as a fulcrum of a balance. In at least one supporting point, weight at the mail receiving member increases step by step corresponding to the particular weight zone of a mailing material as one coin is added in the coin receiving member.

REFERENCES:
patent: 1126398 (1915-01-01), Cleophas
patent: 3224516 (1965-12-01), Stelzer
patent: 3365011 (1968-01-01), Heil
patent: 3454120 (1969-07-01), Peterson
patent: 3599738 (1971-08-01), Wickenberg
patent: 4792002 (1988-12-01), Ward

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