Improvements in Hand-trucks.
Year: 1893

page_text: Date of Application, 24th Oct., 1893-Accepted, 25th Nov., 1893
Improvements in Hand-trucks.
We, EMILIO CARDARELLI, and GEORGE WILLIAM DICK, of Sumter, in the
County of Sumter, and State of South Carolina, United States of America,
Gentleman, do hereby declare the nature of this invention and in what manner the
same is to be performed, to be particularly described and ascertained in and by the
following statement :—
This invention relates to hand-trucks and it has for its object to provide certain
improvements in devices or machines of this character to provide for the convenient
transfer of goods and heavy objects from point to point for loading and unloading
and other purposes, and the invention consists in the novel construction, combination
and arrangement of parts hereinafter more fully described, illustrated and claimed.
In the accompanying drawings:
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•
Fig. 1 is a perspective view of a hand-truck constructed in accordance with this
invention, being shown in its lowered position for receiving an object.
Fig. 2 is a vertical longitudinal sectional view of the same showing the machine
in position for carrying a lifted object from point to point.
Fig. 3 is a central vertical transverse sectional view showing the turning and
tilting table in its turned-tilted position for discharging goods.
Referring to the accompanying drawings, A represents the truck-frame mounted
on the wheels and rollers B and B¹ respectively to provide for the convenient
moving of the truck from place to place, and arising from opposite sides of the
truck frame A are the opposite standards C connected at the upper end by the
transverse top bar D, while two of said standards at the front of the truck
frame and near their lower ends are connected by the transverse catch bar E the
function of which will presently appear, and at the center of which is arranged the
lower guide pulley F. Pivoted centrally to the top of the connected standards C,
is the tilting lifting frame G. The tilting lifting frame G, is pivoted at a point
centrally between its ends at g, so that it will extend equally to opposite sides of
its point of pivot and a sufficient leverage can be secured for easily lifting objects
and said frame is provided at its center with the transverse stop bar H which
serves to check the upward lift of the frame after reaching its horizontal position.
The tilting lifting frame G is provided with the opposite parallel open side
guides H which accommodate the supporting rollers h, of the sliding platform I.
The sliding platform I, is adapted to slide on the tilting lifting frame from
the dropping end thereof to its center, and beyond the same if necessary, and is
provided with the raised ends J which serve to support firmly in position on the
platform the turning and tilting lifting table K. The lifting table K is rectangular
in shape and is pivoted centrally at its bottom side on the pivot L, to the top of the
turning pin or swivel l, mounted centrally in the sliding platform I, so that the
said lifting table can be turned off of the end pieces J, to a transverse position at
right angles to the sliding platform and allowed to drop to a tilted position between
he raised end pieces J so as to facilitate the unloading of objects from said table.
The lifting table K is held locked in position on top of and in line with the
liding platform by means of the pivoted latch M, attached to one end of the same
and adapted to engage the keepers m, at the corresponding end of the sliding
latform, and the other end of the rectangular lifting table K, is provided with the
ngularly-disposed off-standing end board N, which, when the fifting end of the
ifting frame is lowered is designed to be approximately in line with the floor or
round on which the object rests, so that the said lifting table or board can be
asily shoved under the object and the same can be readily placed thereon.

page_text: To provide for the proper automatic sliding adjustment of the table and its
sliding platform on the lifting fraine, we employ the single adjustable adjusting
cord or wire O. The adjusting cord or wire O is secured adjustably to one end of
the sliding platform I, and passes over a suitably arranged frame pulley o, which is
attached to the lifting frame G near the lever end thereof. The adjusting cord or
wire passes from the frame pulley o, under the lower guide pulley F at the
front lower end of the truck frame and is attached at its other end to the dropping
end of the lifting frame. Now it will be readily seen that when the dropping or
lifting end of the lifting frame is lowered, the weight of the lifting table and its
sliding platform will be sufficient to carry the same to the ground or floor in which
position the table receives the article to be lifted and transported. By now
grasping the lever cord or rope P, attached to the lever end of the lifting frame
the elevated end of such frame can be lowered so as to bring the frame up
to any
position, but preferably to a horizontal position, and as such lifting frame is being
elevated, the dropping end of the lifting frame will draw up that end of the
adjusting cord Oso that the cord or wire will cause the sliding platform to be slid
back on the lifting frame directly over or beyond the center, so that the weight
of the object which has been elevated will be disposed directly above the center of
the truck to relieve it of any uneven strain.
Hinged to the dropping end of the lifting frame at Q, is the weighted ratchet
locking frame R, which is adapted to freely slide over and engage the transverse
catch bar E at one end of the truck frame, and attached to the weighted end of
said ratchet locking frame is the lifting cord S, which provides for lifting the
ratchet frame out of engagement with the catch bar in order to tilt the lifting
frame to the ground.
From the foregoing it is thought that the construction, operation and many
advantages of the herein-described improvements will be readily apparent to those
skilled in the art. After the object has been lifted onto the truck and carried to
the point at which it may be desired to unload the same, such as into a car or a
wagon, the latch at one end of the turning table is lifted out of engagement with
its keeper, so that the said table can be turned into a position at right angles to the
sliding platform and to the right or left of the same, and one end of the said table
can be tilted or dropped between the raised end pieces in order to allow the object
to roll off.
After unloading the lifting table can be easily turned back into position on
the sliding platform and locked into its normal position ready again for use.
Changes in the form, proportion and the minor details of construction as embraced
within the scope of the invention may be resorted to without departing from the
principle or sacrificing any of the advantages of the invention.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed, we declare that what we
claim is :-
1. In a hand truck, a tilting rectangular frame having opposite guide sides, a
sliding platform arranged on said frame and having rollers moving in the guides,
means for automatically adjusting said sliding platform and a turning lifting table
mounted on said sliding platform, substantially as set forth.
2. In a hand truck, the truck frame, a rectangular lifting frame pivoted on top
of the truck frame, a platform mounted to slide on said lifting frame, a single
adjusting cord attached at its extremities to the sliding platform and to one end of
the lifting frame respectively, suitably arranged guide pulleys for said cord, and a
turning lifting table mounted on the sliding platform, substantially as set forth.
3. In a hand truck, the truck platform, a rectangular tilting lifting frame
pivoted on top of said platform, a platform mounted to slide on the lifting frame,
a guide pulley arranged at one lower end of the truck frame, a corresponding guide
pulley arranged on the lifting frame near one end, a single adjustable adjusting
cord passing over said guide pulleys and attached at one end to one end of the

page_text: sliding platform and at its other end to one end of the lifting frame, and a lifting
table mounted on said sliding platform, substantially as set forth.
4. In a hand truck, the truck platform, a rectangular tilting lifting frame pivoted
on top of said platform and having opposite side guides, means for locking said
frame in an elevated position, an automatically sliding platform arranged on the
lifting frame, and having supporting rollers moving in said guides, and a combined
turning and tilting lifting table mounted on the sliding platform, substantially as
set forth.
5. In a hand truck, the combination of a tilting lifting frame, an automatically
sliding platform mounted on said lifting frame and having raised end pieces,
and a rectangular lifting table centrally pivoted and swivelled to said sliding
platform and adapted to tilt between the raised end pieces, substantially as set
forth.
6. In a hand truck, a tilting lifting frame, an automatically sliding platform
mounted on said lifting frame, a turning and tilting lifting table swivelled and
pivoted centrally to the sliding platform and provided with an off-standing end
board, and a lock arranged at one end of the table, substantially as set forth.
7. The combination with a supporting frame and a platform mounted thereon, of
a turning and side-tilting table centrally swivelled and pivoted to said platform,
substantially as set forth.
8. In a hand truck, the truck platform, a lifting frame pivotally mounted on the
platform and having guides, a platform arranged to slide in said guides, an
adjusting device for the sliding platform, and means for automatically locking the
lifting frame in a horizontal position, substantially as set forth.
9. In a hand truck, the truck platform, the standards, a transverse catch bar
connecting said standards, a lifting frame pivotally mounted between said standards,
a weighted ratchet locking frame hinged at one end to the lifting end of the lifting
frame and engaging said catch bar, and a lifting cord connected to the weighted
end of the ratchet locking frame to lift the same out of engagement with the catch
bar, substantially as set forth.
10. In a hand truck, the truck platform, the standards, a transverse catch bar
arranged above the platform, a tilting lifting frame pivotally mounted between the
standards and having a lifting table, a weighted ratchet locking frame hinged at
one end to the lifting end of the lifting frame and having opposite rows of ratchet
teeth engaging said catch bar and a lifting cord connected to the weighted end of
the ratchet locking frame, substantially as set forth.
Dated this 24th day of October 1893.
W. P. THOMPSON & BOULT,
Agents for the Applicants.