Improvement in Scale-Beams. Page: 2 of 2
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UNITED STATES PATENT OFFICE.
WILLIAM T. ROBINSON, OF HUNTSVILLE, TEXAS.
IMPROVEMENT IN SCALE-BEAMS.
Stpecifualion forming pat of Lettrs Patent No. 161,938, dated June -9, 1875; application filed
May 14, 1875.
To all whom it may concern: the upper edge of the scale-beam, and upon
Beit known that I,WILLIAM T. _OBINsow, of which the weight rests or is suspended, there-
Huntsville, in the county of Walker and State by facilitating the moving of the weight back
of Texas, have invented certain new and use- and forth on the scale - beam, the roller to
ful Improvements in Scales: and I do here- be smooth or with notches on its face, as is
by declare that time following is a full, clear, desired, to correspond with the scale-beaim.
and exact description thereof, which will en- In the center of the weight, on one or both
able others skilled in the art to which it per- sides, is an index-point, a, to show the num-
tains to make and use the same, reference be- bher of pounds, &e., on the beam. At the top
ing had to the accompanying drawings and of the weight B is a locking-lever, D, provided
to the letters of reference marked thereon, with projection c to fit the teeth in wheel b.
which form a part of this specification. This lever is pivoted at e. a.nd has a curved
My invention relates to the movable weight projecting portion, h, by which the lever is
used on scale-beams; and it consists in the raised when desired. The lever D is held
construction and arrangement of the weight down by the spring d.
to slip over the scale-beam, and with a roller, When it is desired to move the weight the
upon which the weight rests or is suspended, part I of the lever D is pressed down, the
in combination with a locking device, as will weight moved, when the spring d throws pro-
be hereinafter more fully set forth. jection c of the lever into the wheel, and the
In the annexed drawing, Figure 1 is a side weight is locked.
view of a scale-beamn and weight embodying Having thus fully described my invention,
my invention, partly in section. Fig. 2 is a what I claim, and desire to secure by Letters
transverse section of the same. Patent, is-
A represents a scale-beam of suitable con- The scale-beam A and weight B, in combi-
stinction, having its upper edge made either nation with the wheel b, lever D, and spring
smooth or with notches, and graduated on one d, all constructed as and for the purpose speci-
or both sides, as desired. The weight B is flied.
constructed in such a manner that it will slip In testimony that I claim the foregoing as
over the scale-beam A, and have its front and my own affix my signature in presence of
back open, so that the graduation of the scale- two witnesses.
beam may be seen. In the upper part of the WILLIAM T. ROBINSON.
weight B, immediately above the slot or open- Witnesses:
ing for the scale-beam, is made a recess for SANDioRD GIBBs,
the reception of a roller, b, which moves upon IsAAC P. NIxos.
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Robinson, William T. Improvement in Scale-Beams., patent, June 29, 1875; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth166451/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.