Wheel Sulky Plow Page: 6 of 6
[3], 3 p. : ill. ; 23 cm.View a full description of this patent.
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1,035,238
ted arm carried by one of the pivots con-
necting the links to the standard, means
carried by the lever and engageable with
the sector for locking said lever in adjusted
5 position, and manually controlled means
pivoted to the frame and engageable with
one of the links for assisting in lifting the
standard on the operation of the lever.
2. In a plow, a frame, including spaced
10 parallel bars, a plow standard slidable be-
tween said bars, a plow body carried by said
standard at its lower end, a bracket fixed
to the bars, links pivoted to the bracket
and to the upper end of the standard, a
15 sector fixed to the frame, a lifting lever
pivoted to the sector and having a cam slot-
ted arm carried by one of the pivots con-
necting the links to the standard, means car-
ried by the lever and engageable with the.
20 sector for locking said lever in adjusted
position, a foot pedal pivoted to the frame
and having a yoke at one end straddling
one of the said links, and a friction roller
journaled in said yoke and engageable with
25 the adjacent link.
3. In a plow, a frame, including spacedparallel bars, a plow standard slidable be-
tween said bars, a plow body carried by
said standard at its lower end, a bracket
fixed to the bars, links pivoted to the bracket 30
and to the upper end of the standard, a
sector fixed to the frame, a lifting lever piv-
oted to the sector and having a cam slot-
ted arm carried by one of the pivots con-
necting the links to the standard, means 35
carried by the lever and engageable with
the sector for locking said lever in adjusted
position, a foot lever pivoted to the frame
and having a yoke at one end straddling
one of the said links, a friction roller jour- 40
naled in said yoke and engageable with the
adjacent link, and spring means connected
with the frame and the foot lever for assist-
ing the same when operated by pedal pres-
sure for raising the plow standard. 45
In testimony whereof we affix our signa-
tures in presence of two witnesses.
WILLIAM T. RENFRO.
WILLIAM C. RENFRO.
Witnesses:
GEO. CARMICHAEL,
M. H. DE WITT.Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents,
Washington, D. C."
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Reference the current page of this Patent.
Renfro, William T. & Renfro, William C. Wheel Sulky Plow, patent, August 13, 1912; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth513281/m1/6/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.