Cut-Off for Concrete-Mixers Page: 2 of 3
[1], 2 p. : ill. ; 23 cm.View a full description of this patent.
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UNITED STATES PATENT OFFICE.
CLARENCE E. SHERO, OF AMARILLO, TEXAS.
CUT-OFF FOR CONCRETE-MIXERS.
999,525. Specification of Letters Patent. Patented Aug. 1, 1911.
Application filed March 31, 1911. Serial No. 618,130.
To all whom it may concern: and supported by means of a frame 5 piv-
Be it known that I, CLARENCE E. SHERO, oted to a supporting frame 6, at 7. The
a citizen of the United States, residing at frame 5 consists of angularly extending
Amarillo, in the county of Potter and State arms, one of which is projected beyond the
5 of Texas, have invented certain new and edge of the cut-off and provided with a 63
useful Improvements in Cut-Offs for Con- handle 8, whereby the cut-off may be raised
crete-Mixers, of which the following is a or lowered to open or close, respectively, the
specification. discharge 3.
The present invention comprises a cut-off Interposed between the arms of the frame
10 valve, gate or door, particularly designed 5 and the outer portion of the cut-off 4 are 65
for use in connection with rotary concrete the anti-friction rollers 9. A journal 10
mixers, or similar machines. connects the central portion of the cut-off
The invention consists primarily in the 4 with the central portion of the frame 5.
provision of a cut-off for the discharge of In use, when the cut-off 4 is lowered from
15 the mixer, so constructed and mounted as the position shown in Fig. 1 to the dotted 70
to rotate with the mixer, notwithstanding line position, closing the discharge 3, the
that it is supported entirely separate there- handle arm of the frame 5 operates in con-
from. tact with the inner side of the lateral exten-
More specifically speaking, the invention sion 6' of the frame 6 which latter is suit-
20 consists of a cut-off rotatable upon a sup- ably secured at its ends to the main frame 75
porting frame and movable by the latter of the device. The member 6' is inclined
into operative and inoperative positions, inwardly, as shown at 6" forming a cam
the cut-off being adapted to frictionally en- which acts on the handle arm of the frame
gage the mixer at the discharge end of the 5 to force the parts 4 and 5 toward the
25 latter, being thus caused to rotate there- mixer as the cut-off is lowered. When clos- 80
with. Anti-friction bearings are inter- ing the discharge 3, the cut-off is held by the
posed between the cut-off and the support parts 6" of the frame 6 in frictional con-
carrying the same. tact with the mixer and rotates therewith
For a full understanding of the present very freely by reason of the interposition
30 invention, reference is to be had to the fol- of the rollers 9 between the parts 4 and 5. 85
lowing description and to the accompanying Having thus described the invention,
drawings, in which-- what is claimed as new is:
Figure 1 is an end view looking into the 1. In combination, a rotary mixer having
discharge end of a rotary mixer, the cut-off a discharge, a support separate from said
35 being raised into open position and dotted mixer, a cut-off carried by said support, and 90
lines showing its position when the dis- means connecting said cut-off with the sup-
charge of the mixer is closed thereby; Fig. port permitting rotation of the cut-off with
2 is a side elevation, the mixer being broken the mixer:
away; Fig. 3 is a sectional view on an en- 2. In combination, a rotary mixer having
40 larged scale. a discharge, a supporting frame independ- 95
Throughout the following detail descrip- ent of the mixer, a cut-off movable toward
tion and on the several figures of the draw- and from the discharge and mounted on
ings, similar parts are referred to by like said supporting frame, and a connection be-
reference characters. tween the supporting frame and cut-off, per-
45 In the drawings, 1 denotes the hollow mitting rotation of the latter with the mixer 100
body of a rotary mixer, the discharge end when frictionally engaged with the dis-
of which is mounted upon suitable rollers charge portion of the mixer.
2 by which the movement of the mixer is 3. In combination, a rotary mixer, a cut-
facilitated in operation. off therefor, a frame separate from the
50 3 denotes the discharge of the mixer, mixer supporting said cut-off, means for 105
which is of any conventional type, but moving said frame to carry the cut-off into
adapted to be closed by the cut-off valve, operative and inoperative positions, and
door or gate 4. The cut-off 4 will be of the means for forcing the cut-off into engage-
same general shape as the discharge open- ment with the mixer when the former is
55 ing 3, being circular in the present instance, i moved into an operative position. 110
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Reference the current page of this Patent.
Shero, Clarence E. Cut-Off for Concrete-Mixers, patent, August 1, 1911; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth509686/m1/2/?q=%22United%20States%20-%20Texas%20-%20Potter%20County%22: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.