Double-Mold-Board Plow Page: 3 of 4
This patent is part of the collection entitled: Texas Patents and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
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UNITED STATES PATENT OFFICE.
ROBERT WEBER, OF SEALY, TEXAS.
DOUBLE-MOLD-BOARD PLOW.
SPECIFICATION forming part of Letters Patent No. 417,892, dated December 24, 1889.
Application filed October 3, 1889. Serial No. 325,871. (No model,)To call whom it may co07cer:
Be it known that I, ROBERT WEBER, Of
Sealy, in the county of Austin and State of
Texas, have invented a new and useful Im-
5 provement in Double-Mold-Board Plows, of
which the following is a full, clear, and exact
description.
My invention relates to an improvement in
double-mold-board plows, and has for its ob-
to ject to provide a plow of simple and dura-
ble construction, capable of easy manipula-
tion, and wherein the point may be expedi-
tiously removed or replaced when necessary.
A further object of the invention is to pro-
15 vide a means whereby the plow-beam may be
raised or lowered at will.
The invention consists in the novel con-
struction and combination of the several
parts, as will be hereinafter more fully set
20 forth, and pointed out in the claims.
Reference is to be had to the accompanying
drawings, forming a part of this specification,
in which similar figures of reference indicate
corresponding parts in all the views.
25 Figure 1 is a perspective view of the plow
with one mold-board removed. Fig. 2 is a cen-
tral longitudinal section through the body of
the plowshare, taken on line xx of Fig. 3. Fig.
3 is a plan view of the said body. Fig. 4 is a
30 section on line y y of Fig. 7. Fig. 5 is a par-
tial perspective view of the runner or bar.
Fig. 6 is a side elevation of the plow. Fig. 7
is a side elevation with one mold-board re-
moved, and Fig. 8 is a perspective view of
35 the point detached.
In carrying out the invention the connect-
ing-bar 10 of the handles 11 is secured to the
upper face of the plow-beam 12 at or near its
rear extremity, the said handles beingearried
40 downward below the beam in such manner
that their lower ends will meet, forming, es-
sentially, a V, as illustrated in Fig. 1. The
lower ends of the handles are rigidly bolted
together, preferably being inclosed by a socket
45 13, and from the under face of said socket a
screw 14 is downwardly projected, which
screw is made to pass through an extension
15, integral with the rear end of the share
bar or runner 16. The handles are attached
50 to the runner by lock-nuts 17a, placed upon
the screw 14, one above and the other .belowthe said extension 15. At or or near the cen-
ter of the bar or runner 16 an upwardly-ex-
tending perpendicular arm 17 is formed,
(illustrated in detail in Fig. 5,) which arm is 55
provided with side flanges.
The bar 16 is connected with the beam 12
im mediately above it through the medium of a
standard 19. This standard' consists of two
parallel plates, which fit at their lower ends 6o
against the sides of the arm 17 between the
flanges, and are rigidly bolted to said arm.
The upper ends of the plates are bent outward-
ly and upwardly to receive the lower portion of
the plow-beam 12 and clamp the sides thereof, 65
and the upper portion of the standard 19 is
pivotally attached to the plow-beam by means
of a suitable pivot pin or bolt. It will thus
be observed that the forward end of the plow-
beam may be readily raised or lowered to 70
cause the plow to travel deep or shallow in
the soil by manipulating the lock-nuts 17a
upon the screw 14 of the handle. As the
handles are raised, the forward end of the
plow-beam is depressed, and vice versa. " 75
The plowshare comprises two mold-boards
20 and 21 and a body-bar or backbone 22, the
latter being illustrated in Figs. 2 and 3. The
backbone or body-bar is slightly conecaved
upon its upper face, the lower end being car- 8o
ried downward and slotted, as illustrated at
25 in Fig. 3, to form opposing ears 24. The
upper end of the body-bar is flattened and
carried slightly rearward to extend between
the plates of the standard 19, and the rear ex- 85
tremity of the said body-bar is provided with
a head 26, adapted to contact with the rear
edge of the standard, as best shown in Fig. 1.
The body-bar is attached to the standard by
a suitable bolt being passed through aper- 90
tures in the plates constituting the standard
and through a suitable opening in the rear
extension of the bar.
Between the ends of the body-bar 22, at
each side, essentially horizontal wings 27 are 95
formed, of sufficient length to extend from the
forward edge of the standard to the com-
mencement of the ears 24, and the said wings
are preferably given a slight downward in-
clination, and are provided with apertures for Ioo
the reception of bolts. Upon the said wings
27 the mold-boards 20 and 21, which may be
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Weber, Robert. Double-Mold-Board Plow, patent, December 24, 1889; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172240/m1/3/?q=%22%22~1: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.