US96955A - Improvement in weighing-scales - Google Patents

Improvement in weighing-scales Download PDF

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Publication number
US96955A
US96955A US96955DA US96955A US 96955 A US96955 A US 96955A US 96955D A US96955D A US 96955DA US 96955 A US96955 A US 96955A
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Prior art keywords
points
scales
improvement
balance
weighing
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Expired - Lifetime
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G1/00Weighing apparatus involving the use of a counterweight or other counterbalancing mass
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S177/00Weighing scales
    • Y10S177/09Scale bearings

Definitions

  • the fulcrum of the beam is a steel. edge, and the supports of the articles to be weighed and of the weights are steel edges.
  • My improvement consists in making the steel bearing-points the eccentric ends of steel screws, for the purpose of providing great facility of nice adjustment of points.
  • Figuresl and 2 are views ofthe beam and the parts referred to, the same letters applying in both figures.
  • A is the beam.
  • a a are the fulcrum-points.
  • b b are the supporting-points at end of beam.
  • the fulcrum-points and the supporting-points are most readily provided by being at end of steel screws, and great nicety of adjustment of the distances between the fulcrum-points and supporting-points is provided by making the supporting-point at the end of the screw a little eccentric to the axis of screw.
  • Fig. 3 is a magnified section of screw, in
  • c c are conical bearings, attached to the under side of the dishes E E.
  • d d are balance-weights, so attached to the dish that when the balance-weight hangs vertical the dish is horizontal.
  • e e are connecting-pieces, of shape shown in drawings, which are fastened to dish at m, and
  • the screws 7L 71., by which the balance-.weight I rod is attached to the pieces e e, are of such length that, when screwed up properly, the dishes, the bearing-points, and the balanceweights, while they have all necessary freedom, cannot be entirely separated.
  • the pan E supported on the end ofthe balance-bea1n by means of a point formed on the end of a screw and slightly eccentric to the axis thereof, for the purpose of linear adjustnient.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Description

u n v KOII llllllullllllll',
lnvenor:
Witnesses: @MM a UNITED STATES PATENT OFFICEo \V ILLIAM I). PIERCE, OF NEXV YORK, N. Y.
IMPROVEMENT IN WEIGHINGF-SCALES.
Specilcation' forming part of Letters Patent N0. 96,955, dated November 16, 1869.
clare that the following is a full, clear, and
exact description of the construction and operation of the same, reference being had to the annexed drawings, making a part of this specification.
In the usual construction of the beams of scales the fulcrum of the beam is a steel. edge, and the supports of the articles to be weighed and of the weights are steel edges.
My improvement consists in making the steel bearing-points the eccentric ends of steel screws, for the purpose of providing great facility of nice adjustment of points.
Figuresl and 2 are views ofthe beam and the parts referred to, the same letters applying in both figures.
A is the beam.
B is the standard.
E E are the dishes.
a a are the fulcrum-points.
b b are the supporting-points at end of beam. The fulcrum-points and the supporting-points are most readily provided by being at end of steel screws, and great nicety of adjustment of the distances between the fulcrum-points and supporting-points is provided by making the supporting-point at the end of the screw a little eccentric to the axis of screw.
Fig. 3 is a magnified section of screw, in
order to 'show eceentricity of point of screw.
c c are conical bearings, attached to the under side of the dishes E E.
d d are balance-weights, so attached to the dish that when the balance-weight hangs vertical the dish is horizontal.
e e are connecting-pieces, of shape shown in drawings, which are fastened to dish at m, and
into which the rod carrying the balance-weight The screws 7L 71., by which the balance-.weight I rod is attached to the pieces e e, are of such length that, when screwed up properly, the dishes, the bearing-points, and the balanceweights, while they have all necessary freedom, cannot be entirely separated.
IVhat I claim as invention, and desire to secure by Letters Patent, is-
l. The pan E, supported on the end ofthe balance-bea1n by means of a point formed on the end of a screw and slightly eccentric to the axis thereof, for the purpose of linear adjustnient.
2. The open loop-piece e, to the lower arm of which the balance-weight is connected by a screw, h, adjustable to form a stop to prevent the disengagement of said loop from the balance-arm, all substantially in the manner and for the purpose herein set forth.
VILLIAM P. PIERCE.
Witnesses:
CHAs. A. TAYLOR, AMBROSE DEwEs.
US96955D Improvement in weighing-scales Expired - Lifetime US96955A (en)

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