Box and Package Elevating Apparatus Page: 4 of 7
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956,756
are also provided with projections 5' to form
stops for the bails 9 and 10 hereinafter again
referred to.
9 designates a bail which has its ends 9a
5 passed through the portions 5= of the arms
and riveted. A second bail 10 has its ends
passed through slots or apertures 5 in the
arms 5, and bail 10 has a reduced or in-
wardly bent portion 10a--10a to coperate
10 with the wedge-like portions 5b of the arms
5a and with the locking nibs 5c. The bails 9
and 10 are joined at 12a to a rod 12 which
may be provided with a hand engaging por-
tion 12b so that the bails 9 and 10 may move
15 up and down, it being understood that the
bail 9 may be of resilient material or it may
be resiliently connected to the arms 5, as
shown, or both, while the bail 10 is of a rigid
material so that when the reduced or nar-
20 rowed portion 10a of the bail is in the posi-
tion shown in Figs. 1 and 3, the arms 5 in
the plates 5 will be brought toward one an-
other to spread the clamp 4 and release the
frictional engagement between the plates 5
25 and rod 2, so that the shelf 7 may be raised
and lowered by the cable 3, as conditions
may make necessary, to move the platform 7
into alinement with the particular box it is
desired to remove from the store shelf.
30 When it is desired to remove a box from
the store shelf the arms 5b are spread at their
front ends to permit the shelf 7 dropping
between the hook or shoulder portions 5m
and resting on the rod 6, the front end of the
35 shelf 7 being curved to conform to the curva-
ture of the upper surface of the end of the
arms 5, or as nearly as practicable thereto.
After the shelf or platform 7 has been ele-
vated by the cable 3a to bring it into aline-
40 ment with the desired box to be removed
from the shelf the operator then pushes up-
wardly on the rod 12 in the direction of the
arrow in Fig. 2, to release the bail 10 from
the arms 5a and permit the resilient clamp 4
45 to hold the plate 5 in tight frictional en-
gagement with the rod 2 to retain the shelf
or platform 7 in place. The operator then
removes rod 2 from the socket la and forces
the shelf or platform 7 beneath the box 25
50 on the store shelf until such box passes the
shoulders or hook portions 5m, and is posi-
tioned as shown in dotted lines in Fig. 1.
Then the operator removes the box from the
shelf by pulling the platform 7 with the box
55 back. The operator may then return the
rod 2 to its socket la, pull down on the rod
12 to release the clamp and lower the box by
the cable 3.
When it is desired to return the box to its
60 shelf, the operator sets the platform to the
position shown in Fig. 2, with the shoulders
5m beneath the platform 7, places the box on
the platform, raises the platform by the
cable 3a to the desired position in alinement
65 with the shelf and then pushes upwardly onthe rod 12 to simultaneously permit the
clamp 4 to force the plates 5 into engage-
ment with the rod 2 and to push the box 25
off the platform 7 by the pusher 11 that is
carried by the bail 10, as shown in Figs. 2 70
and 3 of the drawings.
When my improved elevating mechanism
is applied to store ladders, as shown in Fig.
6, of the drawings, the support 2x is pivoted
at 2Y to a rod 2z that is secured in the ladder 75
26 near the bottom and it is also pivoted at
2s to a rod 2t that projects through an aper-
ture 26a in the ladder and is held by a set
screw 2, a threaded plate 2 being secured
to the ladder side, if desired, to coperate 80
with the screw 2r. Thus, regardless of the
slant of the ladder 26, the rod 2x may be
held vertical, it being understood that the
distance between the rods 2-2 and the face
of the store shelving is substantially the 85
length of the platform or shelf 7.
The operation of the form of my inven-
tion shown in Fig. 6 is similar to that of the
form shown in Fig. 1 with the exception
that the shelf 7 is not inserted beneath the 90
box when removing the box from the store
shelf, the box being removed from the store
shelf onto the platform or shelf 7 by the
usual box engaging hook (not shown), or
in any other convenient way, it being re- 95
placed on the shelf in the same manner, the
pusher 11 being omitted in the form of my
invention shown in Fig. 6. In the form of
the invention shown in Fig. 6, the arms
5h-5h are bent at 515", instead of bending no
them as at 5 in the form shown in Figs. 1
to 5 inclusive, so that the shelf 7 may lie to
one side of the ladder 26 and support 2x.
The bail 10x of the form shown in Fig. 6 is
pivoted at 10Y to the portions 5Y, of the arms 105
5e instead of passing through apertures in
said arm portions, as in the form shown in
Fig. 1. A pulley 3x is provided at the top
of the rod or support portion 2x, over which
the cable 3 passes, as in the other form of 110
my invention, the cable 3 being secured at 3.
The rod 12 is also provided by means of
which the bail 10x may be moved up or down,
so that its clamping portions 10z may en-
gage the swelled portions 9b and lock with 115
the nibs 9c of the arms 5a, the construction
of the arms 5a being precisely the same as
those in the form shown in Figs. 1 to 5 in-
clusive of the drawings.
From the foregoing description taken in 120
connection with the accompanying drawings
it is thought the complete construction, op-
eration and advantages of my invention will
be readily understood by those skilled in the
art to which the invention appertains. 125
What I claim is:
1. A support, a platform, means for sup-
porting said platform on said support, said
supporting means including a resilient
clamping member, means within the clamp- 130
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Reference the current page of this Patent.
Brigance, Alice Osborne. Box and Package Elevating Apparatus, patent, May 3, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth508333/m1/4/?q=%22%22~1: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.