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Патент USA US3029995

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April 17, 1962
J. K. COOPER
3,029,984
DISPENSING HOPPER WHEELBARROW
Filed Jan. 17, 1958
2 sheets-sheet 1"
John K. Cooper
INVENTOR.
9
BY WWW ?
April 17, 1962
J. K. COOPER
3,029,984
DISPENSING HOPPER WHEELBARROW
Filed Jan. 17, 1958
2 Sheets-Sheet 2
5456
46\ / /
70
/
John K. Cooper,
INVENTOR.
9
BY wands»
“My 19M”,
42
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3,029,984
Patented Apr. 17, 19562 >
1
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3,029,984
vided is opened and closed by way of a simple ?at bottom,
trap door, wall or plate 16. This completely covers the
- DISPENSING HOPPER WHEELBARROW
John K. Cooper, Rte. 3, Morristown, Tenn.
Filed Jan. 17, 1958, Ser. No. 709,639
4 Claims. (Cl. 222—-176)
opening and is hinged at its forward end as at 18. The
rearward edge portion 20 abuts the lower edge of the
wall 12 where it is held in its up or elevated position by
the projecting nose 22 of a simple latch 24. The latch
has its upper end hingedly bracketed in place on the
The present invention relates to certain new and useful
median portion of the wall 12 at 26. There is a return
improvements in a wheelbarrow, that is, a novelly and
spring 28 provided to keep the latch closed and this
distinct construction the bottom of which is readily open
able and closable by way of a latch released bottom.
10 spring bears against a thrust plate or an abutment 36 in
corporated in a ?xture 32 which is generally U-shaped
Stated otherwise, the concept has to do with a wheel
and has ?xed on its bight portion in communication there
barrow which is characterized by a truncated body de
with an upstanding tubular guide 34 through which a pull
?ning a downwardly tapering hopper ‘for the load, and
a vertically swingable bottom hingedly mounted at one
cord or rope, wire or the like 36 is slidably operable.
end and which under the weight of the load, when the bot 15 There is a ?nger gripping knob 38 on the upper end of the
cord and the lower end portion is connected at 40 with
tom is released, becomes a trap door as well as a chute to
a projecting trip ?nger or trigger ‘l2 on the latch. A
facilitate emptying the hopper.
simple sheave or ‘guide pulley 44 in the bight portion of
Wheelbarrows wherein a dump-type of bottom is em
ployed are not new. For example the Tyler patent covers
the ?xture 32 below the guide tube 34 serves to direct the
such a construction, said patent identi?ed as 1,070,308. 20 pull cord into proper cooperating relation with the ?nger
The object of the instant invention is to structurally,
42. All of these features will be found clearly illustrated
functionally and otherwise improve upon the stated patent
in FIG. 5.
With reference now to FIG. 7 and the other ?gures in
and any other similarly constructed and performing
which corresponding parts can be seen only smaller, the
wheelbarrows (of which a number have been patented)
wherein the original concept was predicated on achiev 25 numeral 46 designates a chain the lower end of which
is secured at 48 to a lug 50 ?xed on an edge portion of
ing the same general objectives herein under considera
the trap door, that is the edge portion 52. The upper
tion. Instead of employing a pair of downwardly con
free end portion of the chain 46 is adjustably and re
verging doors the improvement under consideration per
leasably engageable with keeper notches 54 provided in
tains to a simple ?at plate forming a single door and
hingedly mounted at the forward end and held up in 30 a keeper plate 56 fastened on a frame 58 in which the
hopper 8 is mounted. Thus, coacting means is provided
closed postion at the rearward end by an easily trippable
on the frame 58 and the bottom 16 whereby said bottom
latch.
may be adjusted to varying positions as illustrated in full
Novelty is also predicated on a simple wheelbarrow
and phantom lines in FIG. 2 of the drawings.
body with an equally simple trap door and wherein said
The frame 58 comprises upper longitudinal tubular
body is suspended between cooperating members of a
members 60 suitably shaped and joined with a reinforcing
frame which serve to support the body and the load there
cross member 62 and then with a yoke 64 pivotally sup
in in such a Way that the center of gravity is su?iciently
porting a single wheel 66. The handles are denoted at
lowered that the average person may easily balance, or
68. The legs are of general V-shape form and are de
otherwise handle a loaded wheelbarrow.
Other objects, features and advantages will become 40 noted by the numerals 70 and include rearward legs
72 and forward legs 74 joined suitably with the yoke and
more readily apparent from the following description and
joined to each other by way of an appropriate. bend or
the accompanying drawings.
bent portion 76 forming a ground engaging foot. An
In the drawings wherein like numerals are employed
additional cross brace 78 is seen in FIG. 3. Extending
to designate like parts throughout the same:
FIG. 1 is a plan view of a wheelbarrow constructed in 45 between the forward portions of the legs 74 is a brace
accordance with the principles of the present invention
and with portions broken away to show the chain and
coacting components;
FIG. 2 is a side elevation of the construction seen in
FIG. 1;
FIG. 3 is an end view, that is a view observing FIGS.
1 and 2 in a direction from left to right;
FIG. 4 is a bottom plan view;
FIG. 5 is an enlarged view of a fragmentary nature
and in section and elevation taken approximately on the
plane of the line 5—5 of FIG. 4 looking in the direction
of the arrows;
FIG. 6 is a fragmentary view in section and elevation
‘84?. The idea, however, is having the V-shaped legs on
opposite sides, the yoke at the front carrying the freely
rotatable wheel and the substantially rectangular frame
at the top with the body or hopper setting down in the
50 frame and suspended between the legs in the manner
illustrated.
With the construction shown the support rails (not
shown) are removed from the bottom of the bed and
the bed suspended in the frame, thereby lowering the
center of gravity, (1) making the barrow easier managed
when loaded, (2) easier unloaded, (3) may be operated
by a much less robust person, (4) gives more rigidity to
the frame and bed.
'
The drop bottom (approximately 20" by 22") when
detailing the latch construction and showing how it co 60
tripped drops to the ground thereby leaving an adequate
coperates with the adjacentedge portion of the lowerable
opening to relieve the load. The return or check chain
trap door; and
by a pull from the operator, returns the drop bottom to
FIG. 7 is a fragmentary perspective view showing the
its original locked position. By adjustments on the check
chain and its cooperating components.
Referring now to the views of the drawings with the 65 chain a load may be dumped piece meal as in spreading
fertilizers or dirt.
aid of reference numerals and leadlines the hopper or
The foregoing is considered as illustrative only of the
body of the wheelbarrow is denoted generally by the nu
meral ‘8. This comprises a receptacle or hopper having
principles of the invention. Further, since numerous mod
i?cations and changes will readily occur to those skilled
longitudinal side walls 10, a rearward wall 12 and a for
ward wall 14 shaped to provide a scoop~like loading and 70 in the art, it is not desired to limit the invention to the
exact construction and operation shown and described,
unloading end. The walls together form a sort of trun
and accordingly, all suitable modi?cations and equiva
cated pyramid, as it were, and the open bottom thus pro
8,029,984
3
A
lents may be resorted to, falling within the scope of the
ing said bottom for regulating the discharge of the load,
invention as claimed.
What is claimed as new is as follows:
the free end portion of said bottom, when the adjusting
means is released being engageable with the ground to
1. A wheelbarrow comprising a substantially rectangu
lar frame, a supporting wheel on one end of the frame,
a pair of handles on the other end of the frame, a hopper
be dragged thereover and agitated thereby for shaking
remnant portions of the load from said bottom, the last
named means including a keeper mounted on the frame,
mounted in the frame and including downwardly con
and a chain having one end connected to the bottom and
vergent front and rear walls and further including a flat
comprising links selectively engageable with the keeper
for supporting said bottom in adjusted positions, said
bottom hingedly mounted on said front wall and vertically
load by gravity in a rearward direction from the hopper
chain further providing means for manually returning the
bottom to closed position.
and distributing said load uniformly on the ground as
the wheelbarrow is moved forwardly thereover, means
a hopper mounted on said frame and including a front
on the hopper engageable with the bottom for releasably
securing said bottom in closed position, and coacting
wall, a rear wall and a vertically swingable bottom hav
ing one end hingedly connected to said front wall, a gen~
erally U-shaped, horizontal ?xture secured on said rear
swingable downwardly and forwardly for discharging the
means on the bottom and the frame for adjusting said
bottom for regulating the discharge of the load.
2. A wheelbarrow comprising a substantially rectangu
lar frame, a supporting wheel on one end of the frame, a
pair of handles on the other end of the frame, a hopper
mounted in the frame and including downwardly con
4. A wheelbarrow comprising a wheel supported frame,
wall and projecting rearwardly therefrom, an upstanding
guide tube on the bight portion of the ?xture communicat~
ing therewith, a guide pulley mounted in said bight por
tion of‘said ?xture below said tube, an abutment exten<l~
ing between the legs of the ?xture, a latch pivotally sus
pended from said rear wall, said latch being operable in
the ?xture and engageable with the free end portion of
the bottom for releasably securing same in closed position
swingable downwardly and forwardly for discharging the
beneath the hopper, a coil spring in the ?xture between
load by gravity in a rearward direction from the hopper
the abutment and the latch for actuating the latter to
and distributing said load uniformly on the ground as
operative position, and a ?exible strand slidable through
the wheelbarrow is moved forwardly thereover, means
the tube and trained under the pulley and connected to
on the hopper engageable with the bottom for releasably
the latch for retracting same against the tension of the
securing said bottom in closed position, and means for
adjusting the bottom for regulating the discharge of the 30 spring for releasing the bottom.
vergent front and rear walls and further including a ?at
bottom hingedly mounted on said front wall and vertically
load, the last-named means including a keeper mounted
on the frame, and a chain having one end connected to
the bottom and comprising links selectively engageable
with the keeper for supporting said bottom in adjusted
positions, said chain further providing means for manu
ally returning the bottom to closed position.
3. A wheelbarrow comprising a substantially rectangu
lar frame, a supporting wheel on one end of the frame,
a pair of handles on the other end of the frame, a hopper
mounted in the frame and including downwardly con 40
vergent front and rear walls and further including a ?at
bottom hingedly mounted on said front wall and vertical
ly swingable downwardly and forwardly for discharging
the load by gravity in a rearward direction from the hop
per and distributing said load uniformly on the ground 45
as the wheelbarrow is moved forwardly thereover, means
on the hopper engageable with the bottom for releasably
securing said bottom in closed position, and means for
releasably connecting the bottom to the frame for adjust
References Cited in the ?le of this patent
UNITED STATES PATENTS
139,823
194,333
339,869
406,449
Schneider ____________ __ June 10,
Cole ________________ .. Aug. 27,
Eskew ______________ __ Apr. 13,
King _________________ __ July 9,
1873
1877
1886
1889
1,070,308
Tyler _______________ __ Aug. 12, 1913
1,287,473
1,420,315
Shooter _____________ __ Dec. 10,
Herbst et a1 ___________ __ June 20,
Creel ________________ __ Sept. 26,
Wine _______________ __ May 20,
Wine _______________ __ June 24,
Wine _______________ __ June 24,
Wine ________________ __ Jan. 27,
Grewe ______________ __ Mar. 20,
Hines _______________ __ Mar. 18,
Greeley _______________ __ Oct. 9,
1,430,155
1,759,677
1,768,227
1,768,302
1,790,296
2,546,030
2,589,694
2,766,063
1918
1922
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1930
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1951
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1956
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