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'March 15, 1949.
A. G. GURRIES ETAL
2,464,227
LEVELER
Filed Sept. 23, 1948 '
3 Sheets-Sheet 1
ATTORNEYS
March 15, 1949.
A. G. GURRIES ET AL
2,464,227
LEVELER
Filed Sept. 23, 1946
3 Sheets-Sheet 2
INVENTOR.
5. G. G urrzles
BY
J?. ZZJ?iZe J1‘:
4121,12 Tray-,2;
March 15, 1949.
'
A. e. GURRIES ET AL
2,464,227
LEVELER
Filed Sept. 25, 1946
Y
a
._______l_
“3
3 She'ets-Sheet 3
m
INVENTORS "
.___L,)
' ..
' ?.G’.Gurrie.s
BY
JHlU/‘aiie Jr.
?ail W
14 TTYS
Patented Mar. 15, 1949
2,464,227
UNITED STATES PATENT OFFICE
2,464,227
LEVELER
Albert G. Gurries and John A. White, J r., Gilroy,
Calif.; said White assignor to said Gurries
Application September 23, 1946, Serial No. 698,652
11 Claims. (Cl. 37—180)
1
2
This invention is directed in general to an
Fig. 3 is a plan view of the implement as ar
earth scraping implement, and relates particu
larly to a ?nish leveler; such implement being
a modi?cation of the one shown in co-pending
ranged for use, i. e. as in Fig. 1.
'
Fig. 4 is an enlarged fragmentary sectional ele
vation taken through the central portion of the
implement.
628,227, ?led November 13, 1945, which has
Fig. 5 is a cross section on line 5—5 of Fig. 4.
matured into Patent No. 2,444,977, granted July
Fig. 6 is a cross section on line 6—6 of Fig. 4.
13, 1948.
Referring now more particularly to the charac
The present implement incorporates, with
ters of reference on the drawings, the implement
other novel features, all the desirable character 10 comprises an elongated front frame section, indi
istics of the implement of the identi?ed copend
cated generally at I, and an elongated rear frame
ing application, such as accurate ?nish leveling
section, indicated generally at 2.
application for U. S. Letters Patent, Serial No.
with a minimum of blade adjustment, and the
The front frame section is trussed, as at 3,
avoidance of any substantial vertical reaction,
and increases in width from front to rear, as
at the scraper blade unit, when the supporting 15 clearly shown in Fig, 3, and at its rear end in
wheels traverse humps or uneven conditions.
cludes a pair of transversely spaced, depending
One novel feature of the implement herein dis
legs 4 connected together, in rigid relation, by
closed is the arrangement of the elongated front
a cross beam 5. Below the cross beam 5 the legs
and rear frame sections so that for transport the
4 are connected by an axle 6, and opposite ends
rear section, instead of mainly trailing the front 20 of said axle are supported by dual-tired wheels ‘I.
section as in use, is mounted on top of said front
The wheels ‘I are thus spaced apart a substan
section, thus materially reducing the overall
tial distance, transversely of the implement, as
length of the implement. This is necessary for
shown.
convenience of transport on highways, railroad
The elongated ‘rear frame section 2 is rela
crossings, and to comply with highway regula 25 tively narrow and of constant width from end to
tions which commonly limit the overall length
end; being of open or skeleton construction, as
of vehicles permitted on the highways.
shown.
Another novel feature of the present invention
The forward end portion of the rear frame
is the provision of a ?uid pressure actuated power
section 2 normally laps the rear portion of the
cylinder operative to raise the scraper blade unit 30 front frame section I; the forward end of the
above its working position when desired; said
rear frame section being pivotally connected to
power unit being interposed in a fluid pressure
the front frame section substantially centrally
control system regulated by the operator from
of the ends of the latter, as at 8, for relative verti
his station on the tractor to which the implement
cal motion. The pivotal connection 8 includes
is connected in draft relation.
35 pillow blocks 9 on the forward end of the rear
frame section 2 engaging about a sleeve In on
A further characteristic of this invention is
a cross shaft I I carried between upstanding ears
the novel, swivelly mounted wheel truck support
I2 on the front frame section I.
ing the implement at its forward end, such Wheel
At its forward end the implement is supported
truck making possible relatively sharp or short
turns to right or left when the implement is in 40 by a swivelly mounted draft truck, indicated gen
?eld use.
erally at l3, which draft truck includes pneu
A further object of the invention is to provide
a practical leveler, and one which will be exceed
ingly effective for the purpose for which it is
matic-tired dual wheels I4 on an axle I5, and a >
designed.
These objects are accomplished by means of
such structure and relative arrangement of parts
rigid elongated tongue I6 projecting from the
axle I5.
At its forward end the tongue I6 is
45 provided with a hitch I'I adapted for connection
with a tractor.
-
Intermediate its ends the tongue I6 is pivoted,
for relative vertical swinging motion, as at l8,
as will fully appear by a perusal of the follow
to the lower end of a rotary kingpin I9 journaled
ing speci?cation and claims,
‘
in the forward end of the front section I.
In the drawings:
By reason of ‘the above described draft truck
Fig. 1 is a side elevation of the implement with
arrangement, the tractor can turn sharply rela-v
the parts in position for use.
tive to the draft truck, and the draft truck can
Fig. 2 is a similar view, but shows the parts in
correspondingly turn short relative to the front
transport position.
55 frame section I, with a consequence that the
2,464,227
entire implement has a relatively short turning
radius.
This is a very desirable feature in
elongated implements of the type described.
4
2| arranged so as to prevent castering of the
wheel unit 29. Thereafter, with said caster wheel
unit 29 blocked against rearward motion, if nec
essary, the remainder or forward portion of the
implement is backed up, causing a relative over
lapping of the front and rear frame sections for
a major portion of their lengths; this relative
The trailing end of the rear frame section 2 is
supported by a caster wheel unit, indicated gen
erally at 20; there being a removable locking pin
device 2! arranged to lock the caster wheel unit
sliding movement being guided by the upstand
against swiveling out of a longitudinal line of
ing brackets 34. When the caster wheel 20 is
travel, for the reasons hereinafter described.
Directly ahead of the intermediate, and trans 10 adjacent the intermediate wheels 7, the pillow
blocks are reconnected to a tapped attachment
versely spaced, wheels ‘I of the implement the
plate 35 on the bottom of the rear frame section;
latter is provided with a transversely extending
there being a depending stop 36 adapted to strike
scraper blade unit 22 which includes side plates
the sleeve ill to limit the extent to which the
23 carrying vertically adjustable side wings 2d.
At the forward and upper corners of the side 15 frame sections can overlap. After the pillow
blocks 5 are attached to the plate 35, the rear
plates 23 the scraper blade unit 22 is pivotally
frame section, which then balances easily, is
connected, as at 25, for vertical adjustment; the
swung downwardly at its forward end and for
pivotal connection being with a transverse sub
wardly at its rearward end, whence a cross pin
frame 26 formed as a rigid unitary part of the
and
front frame section I.
20 31 is projected between the brackets
through an opening 39 in the rear end portion
By reason of the construction of the frame
of the frame section 2 to prevent further tilting
assembly herein employed, the scraper blade unit
thereof in either direction. With the frame sec
22 can be relatively wide, ‘which is a desirable
tions lapped and secured together, as described,
feature in ?nish levelers.
the implement is materially shortened, and can
The scraper blade unit 22 is vertically adjust
thus travel on highways without difficulty.
ably suspended at its rear end from the rear
After being transported to a new location for
frame section 2, but ahead of the wheels ‘I, by
use, the above described procedure is merely re
means of a ?uid pressure actuated power cylinder
versed, and when the frame sections are drawn
21, of double acting type, adjustably clamped in
an upstanding sleeve 28 pivoted to the rear sec 30 out to their extended positions, a stop 33 on the
forward end of the rear frame section 2 abuts
tion 2. The power cylinder 2'! includes a down
wardly projecting, normally fully extended piston
rod 29 removably connected at its lower end,
as at 30, to the scraper blade unit 22 intermediate
the sleeve ill, whereby to properly locate the parts
for reattachment of the pillow blocks to the for—
ward end of said rear frame section.
the ends of the latter. The power cylinder 21 is 35 The described ?nishing leveler is very enicient,
practical, and ?exible in operation; providing the
connected with a ?uid pressure supply system,
advantage of relatively great elongation when in
shown in part at 3!, which circulates forwardly
use, but being capable of shortening to a con
to the tractor and is there valve-controlled by
venient length for transport.
the tractor operator from his station.
It will be seen that with adjustment of the 40 Also, this implement, as in the case of the
one shown in the identi?ed copending applica
power cylinder 21 in the sleeve 28, the scraper
tion, accomplishes very accurate ?nish leveling
blade unit 22, including the scraper blade 32,
or grading, by reason of the particular arrangemay be vertically adjusted to a selected, maxi
ment of the front and rear frame sections rela~
mum working depth.
The power cylinder 21 is actuated to raise the 45 tive to the scraper blade unit 22, and the incor
poration of single, wheel trucks supporting the
scraper blade unit when necessary to dump a
implement front and rear with relatively widely
load, traverse banks, clear trash, relieve excess
spaced intermediate wheels adjacent but to the
drag, or for transport.
rear of said scraper blade unit.
When the implement is in use the piston rod
From the foregoing description it will be readily
29 is of course connected to the scraper blade 50
seen that there has been produced such a device
unit, but when the implement is arranged for
as substantially ful?lls the objects of the inven
transport in the manner hereinafter described,
tion as set forth herein.
'
said rod is disconnected at the point 30, and the
While this speci?cation sets forth in detail the
scraper blade unit is then supported, adjacent the
rear, by a linkage connection 33 with the rear 55 present and preferred construction of the device,
still in practice such deviations from such detail
end portion of the front frame section. Also,
may be resorted to as do not form a departure
for transport, the side wings 24 are adjusted up
from the spirit of the invention, as de?ned by
wardly in the manner shown in Fig. 2.
the appended claims.
The cross beam 5, at the rear end of the front
frame section I, is provided, adjacent its central 60
Having thus described the invention, the fol
portion, with a pair of transversely spaced, up
lowing is claimed as new and useful, and upon
standing guide brackets 34, between which the
which Letters Patent are desired:
rear frame section 2 extends in guided relation,
1. A land leveler comprising an elongated frame
whereby to prevent any relative lateral de?ection
structure including a front frame section and a
between the front and rear frame sections l 65 rear frame section, means adapted to connect
and 2.
said sections in partial or substantially fully
To prepare the implement for transport, with
lapped relation, selectively, the frame sections
the rear section 2 atop the front frame section
being normally partially lapped and pivoted to
I in the manner shown in Fig. 2, the following
gether for relative vertical motion, wheel units
procedure is carried out:
70 normally supporting the frame section adja
Firstly, the power cylinder is operated to raise
cent opposite ends, another wheel unit support
the scraper blade unit and the same is link sus
ing the front frame section adjacent its rear end, >
pended in the manner previously described.
a vertically adjustable scraper blade unit sus
Then the piston rod 29 is detached, the pillow
blocks 9 disconnected, and the locking pin'device
pended from the front frame section. adjacent
said other wheel unit, and power means detach~
2,464,227
ably connected between the scraper. blade unit
termediate its ends adapted to couple with the
and said rear frame section.
rear frame section adjacent its front end or in
2. A land leveler comprising an elongated
frame structure including a front frame section
termediate its ends selectively whereby to par
tially or substantially fully lap said sections,
and a rear frame section, means adapted to con
wheel units supporting the sections adjacent op
nect said sections in partial or substantially fully
lapped relation, selectively, the frame sections be
ing normally partially lapped and pivoted togeth
er for relative vertical motion, wheel units nor
mally supporting the frame sections adjacent op
posite ends, another wheel unit supporting the
front frame section adjacent its rear end, a verti
cally adjustable scraper blade unit suspended
from the front frame section adjacent said other
posite ends, another wheel unit supporting the
front frame section adjacent its rear end, a ver
tically adjustable scraper blade unit suspended
from the front frame section adjacent said other
10 wheel unit, power means detachably connected
wheel unit, and power means detachably con- -
nected between the scraper blade unit and said
rear frame section; the rear frame section being
above the front frame section when in said sub
stantially fully lapped position.
3. A land leveler comprising an elongated
frame structure including a front frame section
and a rear frame section, means adapted to con
nect said sections in partial or substantially fully
lapped relation, selectively, the frame sections be
ing normally partially lapped and pivoted to
gether for relative vertical motion, wheel units
normally supporting the frame sections adjacent
opposite ends, another wheel unit supporting the
front frame section adjacent its rear end, a ver
tically adjustable scraper blade unit suspended ~
from the front frame section adjacent said other
wheel unit, and power means detachably con
nected between the scraper blade unit and said
rear frame section; the rear frame section being
above the front frame section when in said sub
stantially fully lapped position, and the wheel
between the scraper blade unit and said rear
frame section, and means to lock the rear frame
section against pivotal motion when in said sub
stantially fully lapped position; the wheel unit
corresponding to the rear frame section being
clear of the ground when said section is so locked.
8. A land leveler comprising an elongated
frame structure including a front frame section
and a rear frame section, the rear frame section
and front frame section being adapted to par
tially or substantially fully lap each other, a
pivotal connection on the front frame section in
termediate its ends adapted to couple with the
rear frame section adjacent its front end or in
' termediate its ends selectively wherely to par
tially or substantially fully lap said sections,
wheel units supporting the sections adjacent op
posite ends, another wheel unit supporting the
front frame section adjacent its rear end, a ver
tically adjustable scraper blade unit suspended
from the front frame section adjacent said other
wheel unit, power means detachably connected
between the scraper blade unit and said rear
frame section, and means to lock the rear frame
section against pivotal motion when in said sub
stantially fully lapped position; there being guide
unit corresponding to the rear frame section then
means on the front frame section to guide rela
being clear of the ground.
tive lapping motion of said sections.
4. A land leveler as in claim 3 in which said
9. A land leveler comprising an elongated
corresponding wheel unit is a caster type; there ~10 frame structure including a front frame section.
being means to lock said unit in straight ahead
and a rear frame section, the rear frame section
position.
and front frame section being adapted to par
5. A land leveler comprising an elongated
tially or substantially fully lap each other, a
frame structure including a front frame section
pivotal connection on the front frame section in
and a rear frame section, the rear frame section 4
and front frame section being adapted to par
tially or substantially fully lap each other, a
pivotal connection on the front frame section
intermediate its ends adapted to couple with the
rear frame section adjacent its front end or in
termediate its ends selectively whereby to par
termediate its ends adapted to couple with the
rear frame section adjacent its front end or in
termediate its ends selectively whereby to par
tially or substantially fully lap said sections,
wheel units supporting the sections adjacent op
posite ends, another wheel unit supporting the
front frame section adjacent its rear end, a ver
tially or substantially fully lap said sections,
wheel units supporting the sections adjacent op
posite ends, another wheel unit supporting the
tically adjustable scraper blade unit suspended
from the front frame section adjacent said other
wheel unit, power means detachably connected
front frame section adjacent its rear end, a VET- '
betweenv the scraper blade unit and said rear
frame section, and means to lock the rear frame
tically adjustable scraper blade unit suspended
from the front frame section adjacent said other
wheel unit, power means detachably connected
section against pivotal motion when in said sub
stantially fully lapped position; there being guide
between the scraper blade unit and said rear
means on the front frame section to guide rela
frame section, and means to lock the rear frame 60 tive lapping motion of said sections, said locking
section against pivotal motion when in said sub
means being a connecting member between the
stantially fully lapped position.
guide means and the rear frame section.
6. A land leveler as in claim 5 in which said
10. A land leveler comprising an elongated
pivotal connection includes a cross member on
frame structure including a front frame section
the front frame section, and transversely spaced
and a rear frame section, the rear frame section
pillow blocks on said cross member; said pillow
and front frame section being adapted to partially
blocks being attachable, selectively, to the rear
or substantially fully lap each other, a pivotal
frame section adjacent its front end or interme
connection on the front frame section interme
diate its ends.
diate its ends adapted to couple with the rear
7. A land leveler comprising an elongated 70 frame section adjacent its front end or interme
frame structure including a front frame section
diate its ends selectively whereby to partially or
and a rear frame section, the rear frame section
substantially fully lap said sections, wheel units
and front frame section being adapted to par
supporting the sections adjacent opposite ends,
tially or substantially fully lap each other, a
another wheel unit supporting the front frame
pivotal connection on the front frame section in 75 section adjacent its rear end, a vertically adjust
2,464,227
7
able scraper blade unit suspended from the front
frame section adjacent said other wheel unit,
8
scraper blade unit and said rear frame section, .
and means to lock the rear frame section against. '
power means detachably connected between the
scraper blade unit and said rear frame section,
and means to lock the rear frame section against
pivotal motion when in said substantially fully
lapped position; there being a pair of transversely
spaced guide brackets upstanding from the rear
pivotal motion when in said substantially fully
lapped position; there being a pair of transversely
spaced guide brackets upstanding from the rear
motion relative to the front frame section, said
portion of the front frame section, and the, rear
frame section being disposed for guided lapping
locking means being a cross member adapted to
portion of the front frame section, and the rear
frame section being disposed therebetween for 10 extend between the guide brackets and through
guided lapping motion relative to the front frame
section.
11. A land leveler comprising an elongated
frame structure including a front frame section
said rear frame section when the latter is in said
substantially fully lapped position.
ALBERT G. GURRIES.
JOHN A. WHITE, JR.
and a rear frame section, the rear frame section 15
and front frame section being adapted to partially
or substantially fully lap each other, a pivotal
REFERENCES CITED
The following references are of record in the
connection on the front frame section interme
file of this patent:
diate its ends adapted to couple with the rear
UNITED STATES PATENTS
frame section adjacent its front end or interme 20
diate its ends selectively whereby to partially
Number
Name
Date
or substantially fully lap said sections, wheel units
721,525
Rand ____________ __. Feb. 24, 1903
supporting the sections adjacent opposite ends,
another wheel unit supporting the front frame
949,071
Helmke __________ __ Feb. 15, 1910
1,868,122
Tharp __________ __ July 19, 1932
Johnson __________ __ Sept. 9, 1941
Demond __________ __ Nov. 9, 1943
section adjacent its rear end, a vertically adjust- 25 2,255,062
able scraper blade unit suspended from the front
2,333,988
frame section adjacent said other wheel unit,
power means detachably connected between the
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