Knockdown Show-Case. Page: 4 of 5
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578,019
grooves 17, in which are received the side
edges of the glass panels 14. There being no
stationary glass panels used at the back of
the case the rear corner-uprights have only
5 one vertical groove each, as shown. In lieu
of the longitudinal groove 7 the rear longi-
tudinal bar of the base-frame is provided
upon its upper surface with parallel beads 18,
forming tracks upon which a pair of sliding
o0 doors 19 are mounted, said beads being ar-
ranged at such distance apart that the doors
may slide past each other and at the same
time not interfere with the rear center upright.
The top frame of the show-case corresponds
15 in size to the bottom frame, but has, in addi-
tion thereto, a central transverse brace or
cross-bar 20. This top frame 21 is mortised
in a manner precisely similar to the base-
frame and is also provided as to its under sur-
20 face with longitudinal and transverse grooves
22 and 23, corresponding to the grooves 7 and
13 of the base-frame, and also with beads or
tracks 24, corresponding to those 18 of the
base-frame. The uprights and glass panels
25 of the case are thus received in and bear the
same relation to the top frame as described
with reference to the bottom frame, and the
sliding doors are grooved in their top and bot-
tom edges to fit and slide upon said beads or
30 tracks. The rear corner-uprights are also
provided with beads 24", formed as continua-
tions of the beads 18 and 24 and entering
grooves in the end bars of the sliding doors
when the latter are closed. The side, end,
35 and central bars of the top frame are rabbeted
in their adjacent edges to receive horizontal
glass panels 25, the rabbets being of such
depth as to bring said panels about flush with
the upper surface of the top frame. A cush-
40 ion or packing 26, of rubber or other suitable
material, extends around the panels 25, ad-
jacent to their edges, and receives the pres-
sure of the top finishing-frame 27, of practi-
cally the same shape as the top frame 21, but
45 having its several bars made of sufficient
width to overlap the edges of the panels 25
and bear upon the cushions 26 for holding the
glass against movement and rattling. The
top finishing-frame 27 is held in place by
50 means of screws or suitable fastenings pass-
ing therethrough and entering, preferably,
the tenons at the upper ends of the several
uprights of the case, and thus serving to hold
all the parts together.
55 In lieu of the top frame 21 and the top fin-
ishing-frame 27 a single top frame 28 may be
employed, the same being constructed sub-
stantially as shown in Fig. 8, having the side
and end bars and intermediate cross-bar, as
6o shown, and all of said bars being grooved upon
their inside edges to receive the glass panels
25. The grooves in the rear side bar of the
frame are extended entirely through such
bar, as shown at 29, whereby the glass pan-
65 els 25 are adapted to be slid through the rear
bar and into place, after which suitable fill-
ing-strips 30 are fitted into the grooves orslots 29, so as to prevent the escape of the
glass panels. The frame thus constructed is
provided in its lower surface with stub mlor- 70
tises to receive the tenons at the upper ends of
the uprights of the case, and screws or other
fastening devices may be passed through the
said top frame from above and into the said
tenons for securing the top frame in place. 7
Each of the sliding doors 19 is preferably com-
posed of two independent rectangular frames,
the bars of one of the frames being rabbeted
at their inner edges, as at 31, to receive a
glass panel, the other frame being then se- 80
cured to its mate and overlapping the edges
of the glass panel in such manner as to retain
the same in place. A suitable packing-strip
or cushion 32 may be arranged in the rabbet
in which the glass is seated for preventing the 85
glass from rattling and being broken. The
top and side edges of the sliding doors are
grooved, as shown, for the purpose of engag-
ing the beads or tracks on the top and bot-
tom frames and the rear corner-uprights, as 90
hereinbefore referred to.
From the foregoing description it will be
apparent that a very simple and convenient
knockdown show-case is obtained, the con-
struction of which will permit a broken glass 95
to be easily and quickly removed and replaced
by a new one without the services of an ex-
pert workman. In setting up the case the
base is first placed in a horizontal position
and the corner and intermediate uprights are rco
then put in place by inserting their tenons in
the mortises of such frame. The glass panels
are now dropped into the grooves in the adja-
cent faces of the uprights and the sliding doors
placed in engagement with the beads upon o105
which they travel, after which the top frame
is placed in position and brought into engage-
ment with the upper tenons of the uprights
and the top edges of the panels and also the
sliding doors. After placing the horizontal Iio
top panels 25 in place and arranging the rub-
ber cushions thereover the top finishing-
frame is applied and secured in place in the
manner above described. An advantage of
the improved case resides in the fact that it 115
is not necessary to remove the merchandise
from the interior thereof in order to replace
a broken pane of glass. The construction
above described adds very little, if any, to
the expense over an ordinary case and effects 120
quite a saving in expense when replacing a
broken glass panel. Should the show-case be
made in octagonal form, the top glass may be
slid through the front or side bar of the top
frame. 125
Changes in the form, proportion, and minor
details of construction may be resorted to
without departing from the spirit or sacrific-
ing any of the advantages of this invention.
Having thus described the invention, what 130
is claimed as new is-
1. A knockdown show-case comprising du-
plicate top and bottom rectangular frames
provided at their corners with mortises, and
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Reference the current page of this Patent.
Mistrot, Felix E. Knockdown Show-Case., patent, March 2, 1897; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth174538/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.