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Sept. 10, 1946.
‘
w. s. MacRAE
'
2,407,430
‘TRUCK UNLOADING' APPARATUS
‘Filed June 27, 1945
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INVENTOR.
' Sept. 10, 1946.
~ 2,407,430
, w. SQMMRAE
_ TRUCK UNLOADING APPARATUS
Filed June 27, ‘1945.
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Q "I! WALTER- 5 M46 IPAE
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2,407,430
Patented Sept. 10, 1946
UNITED STATES PATENT OFFICE
2,407,430
TRUCK UNLOADING APPARATUS
Walter S. MacRae, Castle Hot Springs, Ariz.
Application June 27, 1945, Serial No. 601,785
1 Claim. (01. 214-58)
1
This invention relates to improvements in un
loading apparatus especially adapted for use on
trucks, trailer trucks, and the like.
One of the principal objects of the invention is
the provision of apparatus of this character which
is of simple, ef?cient and durable construction and
2
wardly and into engagement with the roadway or
any other suitable point of anchorage. For limit
ing, the outward swing of the anchor I‘! with re
spect to the yoke 15, I form an adjustable limit
stop in the form of a bolt l8 extending through
the anchor and the yoke and provided with a
head l9 at one of its ends and a nut 20 at its
readily adaptable to various sizes of truck bodies
opposite end so that the amount of outward swing
for automatically discharging loads carried there
of the anchor may be regulated by the adjustment
by, by simply moving the truck in a forward direc
tion while the trailing end of the unloading ap 10 of the nut on the bolt. The anchor is free to
swing inwardly into a collapsed position with
paratus is anchored to the ground or roadway or
respect to the yoke, due to the loose ?t of the
any other convenient point of anchorage rear
bolt through the yoke.
When the apparatus is in the position shown
In the drawings:
Figure 1 is a top plan View of a truck body 15 in Figure 2 and the ?exible element 6 is disposed
below and in front of the load in the truck body
provided with unloading apparatus made in ac
and it is desired to remove the load from the truck,
cordance with my invention.
the operator lifts the yoke l-5 from its supporting
Figure 2 is a side elevation of Figure 1 with
brackets
l3 and moves it rearwardly from the
parts broken away for convenience of illustration
and showing the unloading apparatus in position 20 truck and swings the anchor down into engage
ment with the ground or roadway. Following
when loaded or ready to receivea load.
this, the operator moves the truck forwardly,
Figure 3 is a rear elevation of Figure 2.
whereupon the anchor l1, through the medium
Figure 4 is a side elevation of the truck moving
of the chains ll, pulls the bar 8 from its brackets
in a forward direction for automatically disposing
9 and the ?exible element 6 rearwardly to roll
25
of its load.
the
load out of the rear end of the truck body as
Referring now more particularly to the draw
shown in Figure 4.
ings:
After the load has been disposed of, the ?exi
The truck body shown is of any conventional
ble element 6 is returned to the position shown in
design having a bottom wall I, side walls 2 and
3, and a tail gate 4 hinged as at 5 in any ap 30 Figure 2, the bars 8 and I2 and the yoke‘ and an
chor are restored to their respective brackets 9
proved manner to the trailing edge of bottom wall
and I3, and the truck body is again ready to re
I of the truck body. The upper edge of the tail
ceive
another load,
gate 4 is, of course, provided with'any approved
While I have shown a particular form of em
means (not shown) for securing the tail gate to
wardly of the truck.
the side walls in a closed position,
The forward'end of the truck body may be pro
vided with a front Wall, if desired, or the back
wall of the cab may serve that purpose.
The unloading apparatus consists of a ?exible
element 6 in the form of a screen, a mat, ?exible 40
sheet material, or the like, secured at its rearmost 1
bodiment of my invention, I am aware that many
minor changes therein will readily suggest them_
selves to others ‘skilled in the art without depart
ring from the spirit and scope of the invention.
Having thus described my invention, what I
claim as new and desire to protect by Letters
Patent is:
In apparatus for removing a load from a truck
end to the bottom wall I of the truck by any suit
body,
the combination of a ?exible mat secured
able means such as bolts, indicated at ‘l. The un
at one of its ends to the rear end of the bottom
loading element is of suf?cient length to cover the
entire bottom wall of the truck body and to ex 45 wall of the truck body and extending full length
and Width thereof, the forward end of the mat
tend upwardly along the front wall thereof and
being connected with an anchor disposed rear
terminate in a bar 8 normally supported by
wardly of the mat and adapted to draw the mat
brackets 9 secured to the back wall of the cab
rearwardly
as the truck moves forwardly, said
I0 of the truck. The bar 8 is connected by a
pair of chains I l with a bar l2 disposed at the rear 50 anchor consisting of a plurality of tines swing
ably attached as a unit to one end of a bracket,
end of the truck and supported by the upper end
and means extending through the tine unit and
of the tail gate 4 by brackets !3 attached thereto.
the bracket for limiting the swinging movement
Swingably attached to the bar l2 by means of
of the tines with respect of the bracket.
bearings I4 is a yoke I5 whose lower end termi
nates in bearings l6 for pivotally mounting a
WALTER S. MACRAE.
spiked anchor l1, adapted to be swung down
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