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Siept.'17, 1946.
‘ A. G. GURRIES
FINISHI'NG LEVELER
Filed June 11, 19,45
2,407,780
2 Sheets-Sheet 1
INVENTOR.
.6. G. Gurrdes
ATrYs
Sept- 17, 1946-
_
A. G. GURRIES
'
I
2,407,780
FINISHING LEVELER
Filed June 11, 1945 '
‘
2 Sheets-Shget 2
14
INVENTOR.
H. G. Gurrz', es
‘
By
.
MW
HTTYS
Patented Sept. 17, 1946 V
2,407,780 I
UNITED “STATES PATENT
OFFICE '_
2,407,780
FINISHING LEVELER' “
Albert G.,Gurries, Gilroy, Calif.
Application June 11, 1945, Serial No. 598,781
11_Claims. (Cl. 37-169)
1
2.
.
This invention relates generally to an improved
ters of reference on the drawings, the implement
earth grading implement.
comprises an extremely elongated main frame,
In particular the invention is directed to that
type of implement which is known as a ?nishing
leveler or float, and which conventionally in~
.cludes an extremely elongated, wheel supported
indicated generally at I, and which main frame
is of truss type and arched somewhat, as shown.
At the rear end the main frame I includes an
axle‘ 2 ?tted at opposite ends with ground‘ en
frame adapted to be tractor drawn; there being
gaging wheels 3. At the forward ‘end‘the main
an earth grading scraper suspended from the
frame I includes a draft couplingll adapted to
be connected in draft relation to a tractor.
frame intermediate its ends.
An earth grading scraper, indicated generally ‘
One of the objects of this invention is to pro l0
at 5, extends transversely beneath the main frame
vide a ?nishing leveler, of the type described,
I substantially centrally of the ends of the ‘lat
which includes an earth grading scraper mounted
ter; said scraper being of substantial width, and
‘on the implement in a novel manner; said scraper
being arranged for easy adjustment of the cut
in the present embodiment of greater width than
ting depth when the implement is stationary, 15 said main frame. The scraper 5 includes a top
frame 6 from which a back wall 1 depends in
and said scraper being power actuated to ‘dump
rigid relation, ‘said back wall being ?tted at‘its
the same when the implement is traveling.
lower edge with a cutting blade 8. Side wings
Another object of the invention is to provide
9 depend from the top frame 6 and extend for
a' ?nishing level‘er wherein the earth grading
scraper is detachable from the implement for 20 wardly from opposite ends of the back wall 1.
The forward portion of the scraper is supported
.independent use as a wheel supported drag
by a tongue it formed rigid with and projecting
scraper; the wheels supporting the ?nishing lev
forwardly from the top frame 6. The tongue’ i0
eler being usable, if ‘desired, as the supporting
is disposed at a slight forward ‘and downward
wheels for the scraper when so detached for in
dependent use.
incline and connects at its front end in vertically
A further object of the invention is to provide
swingable relation with a coupling II ?xed‘on
the rear end of a horizontal drawbar l2 included
‘a ?nishing leveler in which the earth grading
scraper is suspended from the main frame of
in the forward portion of the mainframe l; the
the implement by novel means which permits of
drawbar, l2 direct connecting betweenthe cou
the desired adjustment of the cutting depth of 30 pling 4 and the coupling H, and being suitably
braced in the main frame, as shown.
the scraper, while maintaining the same in proper
alinement both longitudinally and transversely
At the rear end the scraper is suspended from
the main frame I as follows:
of the direction of travel.
A cross shaft I3 is journaled in connection with
A further object of the invention is to produce
a simple and inexpensive device, and yet one 35 the back wall 1 to the rear thereof, and extends
‘which will be exceedingly effective for the pur
pose for which it is designed.
Theseobjects are accomplished by means of
beyond opposite ends of the latter. At said op
posite ends the cross shaft I3 is ?tted with rear
wardly projecting, rigid arms M which include at
such structure and relative arrangement of parts
tachment discs l5 at their rear ends. The at
‘as will fully appear by a perusal of the following 40 tachment discs l5 are detachably connected by
speci?cation and claims.
bolts IS with matching discs ll on the outer ends
. In the drawings similar characters of refer
ence indicate corresponding parts in the several
of horizontal, inwardly projecting but relatively
short spindles I8. The spindles l8 turnably pro
‘
ject through and are supported by horizontal, Figure 1 is a side elevation of the implement 45 axially alined sleeves l 9 carried on the lower end
views:
in operating position.
Figure 2 is an enlarged fragmentary sectional
elevation showing the earth grading scraper in
‘raised or discharging position.
Figure 3 is a plan View of the implement.
Figure 4 is an enlarged fragmentary plan view,
partly in section, showing the connecting means
between one end of the scraper and the main
frame.
, Referring now more particularly to the charac
of depending legs 20. The legs 20 include collars
21 at their upper ends which turnably engage
about a tubular horizontal cross member 22’in
50 the main frame.
A spacing tube 23 extends be
tween the sleeves IB, and the inner end portions
of spindles l8 project into opposite ends of said
spacing tube and are secured in the latter by set
screws '24 carried by said tube. With the above
‘arrangement, the spindles l8. are turnably sup
2,407,780
3
4
ported but effectively maintained against lat
the frame intermediate its ends, andmeans ver
eral outward displacement.
tically adjustably suspending the scraper from the
frame; said means including a forwardly project
ing tongue on the scraper pivotally connected to
the frame for vertical movement, a pair of trans
A double acting, longitudinally extending ?uid
pressure actuated power cylinder 25 is disposed
centrally above the scraper; said power cylinder
being supported in a clamping jacket 25 tiltably
frame 6 of the scraper. Although normally held
versely spaced, vertically swingable arms project-'
ing rearwardly from the scraper, longitudinally
swingable legs depending from the frame to piv
against relative lengthwise movement, the cyl
inder 25is adjustable lengthwise by loosening the
10 tive to swing said arms up or down to raise or
mounted between upstanding ears 2? on the top
otal connection with said arms, .and means‘opera
bolts 28 which normally clamp said cylinder in
lower the scraper.
'
'
the jacket. The piston rod 29 of the cylinder 25
2. A ?nishing leveler comprising an elongated
extends rearwardly to pivotal connection, as at
frame supported above and for movement along
30, with an upstanding lever arm 3! rigid with
the ground, a scraper disposed transversely be
the cross shaft I3. Fluid pressure supply conduits 15 low the frame intermediate its ends, and means
32 lead to opposite ends of the cylinder 25 from
vertically adjustably suspending the scraper from
a control system, of conventional type, on the
the frame; said means including a forwardly pro
tractor.
1
I jecting tongue on the scraper pivotally connected
_
When the piston rod 29 is retracted into'the
to the frame, for vertical movement, a pair of
cylinder, as shown in Fig. 1, the scraper is in low 20 transversely spaced, vertically swingable arms
ered position for ground engagement, whereas
when the cylinder is actuated to advance said
rod 29, the scraper is elevated clear of the ground,
as shown in Fig. 2, by virtue of the resultant
rearward swinging of lever arm 3! and upward
swinging of the arms, M about the axis of the
projecting rearwardly from the scraper, longi
tudinally swingable legs depending from the
frame to pivotal connection with said arms, and
means operative to swing said arms upor down to
raise or lower the scraper; said last named means
being power actuated.
3. A ?nishing leveler comprising, an elongated
frame supported above and for movement along
used it is first coupled to a tractor in draft rela
the ground, a scraper disposed transversely below
. tion and the cylinder 25 actuated to retract the 30 the frame intermediate itsends, and means verti
piston rod 29. Thereafter the clamping jacket
‘ cally adjustably suspending the scraper from the
turnable spindles I8.
'
7 When the above described implement is to be
2G is unloosened and the cylinder 25 adjusted -
frame; said means including a forwardly pro’ect
lengthwise so as to position the blade 8 at proper
ing tongue on the scraper pivotally connected, to
the frame for vertical movement, a, pairof trans
cutting depth, whereupon the clamping jacket
26 is tightened. This sets the scraper in its nor
mal operating position for ?nish leveling of the
land which the implement traverses. However,
if during operation of the implement the scraper
acquires too great a load of earth, or if trash
versely spaced, vertically swingable armsproject
ing rearwardly from the scraper, longitudinally
swingable legs depending from the frame topivot?
al connection with saiduarms, and meansoperae
tive to swing said arms up or down torais'e or
accumulates in the same, said scraper is elevated 40 lower the scraper, said last named means being
by operation of the power cylinder in a direc
tion to advance the rod 29. After the scraper is
dumped it is returned to its working position, as
shown in Fig. 2.
When the ?nishing leveler is not in use the
scraper 5Imay be used independently as a drag"
scraper by merely detaching the tongue IQ from
the coupling I I, and the discs !5 from the discs I ‘I.
' The scraper is then free of the main frame I and
ready for independent use upon mounting of, .
wheels in connection with the discs I5 on the rear
ends of arms I4.
Separate wheels may be pro
vided for this purpose, or if desired the wheels
3 may be arranged so that they can be removed
a power cylinder.
7
‘
4. A ?nishing leveler comprising an elongated
frame supported above and for movement along
the ground, a scraper disposed transversely below
the frame intermediate its ends, a forwardly pro
jecting tongue on the scraper pivotally connected
to the frame for vertical movement, a pair of
transversely spaced vertically swingable arms
projecting rearwardly from the scraper, longi
tudinally swingable legs depending from the
frame to pivotal connection with said arms, and
adjustable means normally preventing relative
pivotal movement between said arms and legs.
5. A ?nishing leveler comprising an elongated
frame supported above and for movement along
the ground, a scraper disposed transversely be
from the axle 2 for attachment to the discs I5.
In order to enable the transverse level of the
blade 8 to be adjusted when necessary, the frame
low the frame intermediate its ends, a, forwardly '
supporting wheels 3 are connected thereto by in
projecting tongue on the scraper pivotally con
dividual rotatably adjustable eccentric wheel
nected to the frame for vertical movement, a pair
spindle amounts. as indicated at 33.
of transversely spaced vertically swingable arms
From the foregoing description it will readily 60 projecting rearwardly from the scraper, longitudi
be seen that-there has been produced such a de
nally swingable legs depending from the frame
vice as substantially ful?lls the objects of the
to pivotal connection with said arms, and ad
invention as set forth herein.
‘
While this speci?cation sets forth in detail the
present and preferred construction of the device,
still in practice such deviations from such detail
may 'be'resorted to as do not form a departure
justeble means normally preventing relative piv
otal movement between said arms and legs; the
tongue being detachable from the frame, and said
arms being detachable from the legs, whereby to
permit of separate and independent use of said
from the spirit of the invention, as de?ned by
scraper.
the appended claims.
6. A ?nishing leveler comprising an elongated
Having thus described the invention, the fol 70
frame supported above and for movement along
lowing is claimed as new and useful and upon
the ground, a scraper disposed transversely-be
" which Letters Patent is desired:
low the frame intermediate its ends, a forwardly
1.‘ A ?nishing lever comprising an elongated
projecting tongue on the scraper pivotally con
frame supported above and for movement along
the ground, a scraper disposed transversely below 75 nected to the frame for vertical movement,‘ a pair
2,407,780
of transversely spaced vertically swingable arms
projecting rearwardly from the scraper, longi
tudinally swing-able legs depending from the
nally swingable legs depending from the frame
to pivotal connection with said arms, a cross shaft
on the scraper, said arms being mounted radially
on said shaft, a rigid lever arm upstanding from
the cross shaft, and a, longitudinally extending
frame to pivotal connection with said arms, and
adjustable means normally preventing relative
pivotal movement between said arms and legs;
power cylinder on the scraper and operatively
said adjustable means including a power cylin
connected between the latter and said lever arm;
der.
the cylinder being normally ?xed relative to but
7. A ?nishing leveler comprising an elongated
longitudinally adjustably mounted on said
frame supported above and for movement along 10 scraper.
the ground, a scraper disposed transversely below
“ 10. A ?nishing leveler comprising an elongated
the frame intermediate its ends, a forwardly pro
frame supported above and for movement along
jecting tongue on the scraper pivotally connected
the ground, a scraper disposed transversely be
‘to the frame for vertical movement, a pair of
low the frame intermediate its ends, a forwardly
transversely spaced vertically swingable arms 15 projecting tongue on the scraper pivotally con
_ projecting rearwardly from the scraper, longi
nected to the frame for vertical movement, a pair.
tudinally swingable legs depending from the
of transversely spaced vertically swingable arms
‘ frame to pivotal connection with said arms, a
projecting rearwardly from the scraper, longitudi
power cylinder mounted on the scraper, and
nally swingable legs depending from the frame,
means connecting said cylinder With'the arms 20 transversely alined horizontal sleeves on the lower
in actuating relation to the latter.
‘ ends of said legs, inwardly projecting spindles on
8. A ?nishing leveler comprising an elongated
the arms turnably extending through the sleeves
frame supported above and for movement along
in supported relation, and adjustable means nor
the ground, a scraper disposed transversely be
mally preventing relative pivotal movement be-Q
low the frame intermediate its ends, a forwardly 25 tween said arms and legs.
projecting tongue on the scraper pivotally con
11. A ?nishing leveler comprising an elongated
nected to the frame for vertical movement, a pair
frame supported above and for movement along
of transversely spaced vertically swingable arms
the ground, a scraper disposed transversely below
projecting rearwardly from the scraper, longi
the frame intermediate its ends, a forwardly pro
tudinally swingable legs depending from the
jecting tongue on the scraper pivotally connected
frame to pivotal connection with said ‘arms, a
to the frame for vertical movement, a pair of
cross shaft on the scraper, said arms being
transversely spaced vertically swingable arms
mounted radially on said shaft, a rigid lever arm
projecting rearwardly from the scraper, longi
upstanding from the cross shaft, and a longitudi
tudinally swingable legs depending from the
nally extending power cylinder on the scraper
frame, transversely alined horizontal sleeves on
and operatively connected between the latter and
the lower ends of said legs, inwardly projecting
said lever arm.
spindles on the arms turnably extending through
9. A ?nishing leveler comprising an elongated
the sleeves in supported relation, and adjustable
frame supported above and for movement along
means normally preventing relative pivotal move
the ground, a scraper disposed transversely below 40 ment between said arms and legs; there being a
the frame intermediate its ends, a forwardly pro
tubular spacing member extending between the
jecting tongue on the scraper pivotally connected
sleeves, the spindles projecting into said member,
to the frame for vertical movement, a pair of
and securing means between said member and
transversely spaced vertically swingable arms
projecting rearwardly from the scraper, longitudi 45
spindles.
,
ALBERT G. GURRIES.
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