Mechanical Movement. Page: 2 of 3
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UNITED
STATES
PATENT OFFICE.
LEVI D. GIBSON, OF THURBER, TEXAS, ASSIGNOR OF TWO-THIRDS TO
ROBERT LOFLIN, OF THURBER, TEXAS, AND HERMAN F. SCHEER, OF
DALLAS, TEXAS.
MECHANICAL MOVEMENT.
SPECIFICATION forming part of Letters Patent No. 716,028, dated December 16, 1902.
Application filed March 22, 1902. Serial No. 99,471. (No model.)To all whom it imay concern:
Be it known that I, LEVI D. GIBSON. a citi-
zen of the United States,residing at Thurber,
in the county of Erath and State of Texas,
5 have invented a new and useful Mechanical
Movement, of which the following is a speci-
fication.
This invention relates to mechanical move-
ments, and is designed to provide improved
ro means for producing alternating rotary move-
ments,and while this means may be employed
for a variety of purposes it is particularly de-
signed for imparting movement to the dasher-
stems of churns and also to the rubber stems
15 of washing-machines.
Another object is to convert a continuous
rotary movement into alternating rotary
movement, so as to adapt the device for man-
ual operation through the medium of a crank-
2o handle and also to arrange the device so that
it maybe conveniently mounted upon the'top
or lid of a churn or washing-machine.
With these and other objects in view the
present invention consists in the combination'
25 and arrangement of parts, as will be-herein-
after more fully described, shown in the ac-
companying drawings, and particulary point-
ed out in the appended claims, it being un-
derstood that changes in the form, propor-
30 tion, size, and minor details may be made
within the scope of the claims without de-
parting from the spirit or sacrificing any of
the advantages of the invention.
In the drawings, Figure 1 is a perspective
35 view of an embodiment of the present inven-
tion particularly adapted for use in connec-
tion with washing-machines. Fig. 2 is a lon-
gitudinal sectional view thereof.
Like characters of reference designate cor-
4o responding parts in both figures of the draw-
ings.
Referring to the accompanying drawings,1
designates a base or support, which in one
specific application of the invention may be
45 the lid or cover of a churn or washing-ma-
chine. Upon the top of this lid or support
and at one side of the center thereof there is
provided a bracket 2,which is fastened to the
support in any suitable manner and prefer-
5o ably disposed substantially radially thereof.At the outer end of the bracket rises a stand-
ard 3, and a corresponding standard 4 rises
from the inner end of the bracket, this latter
standard being provided with a longitudinal
slot 5, which is disposed- in the same plane 55
with the two standards. The top of the stand-
ard 3 is provided with a notch or seat 6 for
the reception of the operating-shaft, and the
upper end of the standard 4 is provided with
a lateral extension 7, which is directed away 6o
from the standard 3, and is provided in its
upper face with a groove 8, the bottom of
which lies in alinement with the bottom of
the notch or seat 6.
Between the lateral extension 7 and the lid 65
or support is an upstanding rotatable head 9,
which is provided with an upper pivot or
trunnion 10, rotatably fitted in a-socket or
bearing 11, formed in the under side of the
extension 7, and the lower end of the head is 70
provided with a trunnion or pivot 12, mount-
ed in the opening 13, formed through the sup-
port. It will be understood that the lower
journal 12 may -be extended to form a dasher-
stem, or it may be provided with means for 75
connection with a stem or other part to be
rotated; but as this forms no part of the pres-
ent invention it has not been shown in the
drawings. Throughout the greater part of
the length of the head 9 there is formed a spi- 8o
ral slot 14.
A substantially horizontal drive-shaft 15 is
mounted in the bearing-seat 6 and also in the
groove 8, within which it is held by means of
suitable inverted-U-shaped straps or bear- 85
ing-clips 16. At the outer end of this shaft
there is provided a crank-handle 17, and the
intermediate portion of the shaft is provided
with a double crank 18, which works between
the standards 3 and 4. 90
To transfer motion from the crank-shaft to
the rotatable head 9 there is provided a. con-
necting-rod or link 19, the upper end of which
is provided with a hook or eye 20 to embrace
the outer end of the double crank and form a 95
loose or pivotal connection therewith. The
lower end of the connecting-rod or link is pro-
vided with a lateral arm 21, which works in
the guide-slot 5 and also in the spiral slot
14 in the head 9, the outer end of the arm 21 oo
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Gibson, Levi D. Mechanical Movement., patent, December 16, 1902; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509582/m1/2/?q=%22%22~1: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.