G - Physics – 01 – G
Patent
G - Physics
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265/29
G01G 1/24 (2006.01)
Patent
CA 1119207
1022.011 GKP S P E C I F I C A T I O N METHOD AND APPARATUS FOR CONVERSION OF AN UNEVEN ARM BEAM BALANCE FROM METRIC WEIGHT TO ENGLISH WEIGHT MEASUREMENT AND VICE VERSA Inventors : Carl G. Sontheimer : Richard D. Clare ABSTRACT OF THE DISCLOSURE Method and apparatus for conversion of an uneven arm beam balance from metric weight measurement to English weight measurement, and the reverse conversion are described. An il- lustrative example is a balance rated to measure in kilograms and having a main beam scale graduated in uniform increments of metric weight with associated notched poises, a main weight being discretely positionable in respective notches. A second- ary beam scale in parallel relationship with the main beam reads from zero to a value equal to one such metric weight in- crement, along which a secondary (slider) weight is slidable for making the fine-tuning weight measurements between res- pective graduations of the main scale. For conversion, there is also provided on the main beam a main English scale graduated in uniform increments of English weight with asso- I ctated notched poise arranged so that a shift in the position¦ of the main weight by a distance equivalent to 400N Grams weighs an increase of N pounds Avoirdupois. For performing a measurement in pounds, the main weight is increased by 13,398% accomplished by combining an auxiliary weight there- with or by substituting a heavier main weight. A secondary English scale is also provided reading from zero to a value equal to one such increment of English weight and having a length 13.398% longer, or a slider 13.398% heavier, than for the secondary metric scale. In another illustrative example, a shift in position of the main weight by 2N pounds weighs an increase of N Kilograms, the main weight being increased by 10.231% for conversion to metric weight measurements, and the secondary scale length ion slider weight) is correspond- tingly increased. In balances where the main weight in its zero position is offset from the fulcrum, then the center of gravity of the increased main weight is offset a lesser distance from the fulcrum.
369796
Clare Richard D.
Sontheimer Carl G.
Cuisinarts Inc.
Westell & Hanley
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