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Патент USA US2121898

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\ June 28, 1938.
Filed May 3, _ 1937
‘ROY/4L. )4. You/v6.
2,121,898, I
Patented June 28, ‘ 1938
Royal A. Young, ‘Walsh, Colo.
Application May 3, 1937,.Serial No. 140,459‘ '
V 3 Claims.
This invention relates to an interchangeable
sign more particularly intended for use as a high
way sign.
The principal object of the invention is to pro
vide a sign construction which can be quickly and
easily assembled at the time of erection to give
any desired indication or information and which,
when assembled, will‘ securely lock itscomponent
parts together to prevent unauthorized tampering.
clamp the entire assemble in place. The bolts l6
clamp‘ the back plates l4 and I5 tightly against
the tongues 13 to lock the letters in position andv
to prevent unauthorized removal thereof.
The extremity of the bolt It may be riveted into 5
its nut to prevent removal of the bolts.
In the usual installation, the perforations H
in the face ll! are allowed to remain‘ exposed, as
shown in' Fig. 1. If desired, however, the face
-may be painted with a thick viscous paint which 10
Other objects and advantages reside in the de
will ?ow into and ?ll the perforations, leaving. a
tail construction of the invention, which is .de
signed for simplicity, economy, and ef?ciency. ‘ substantially smooth back ground surface, as2
shown at [9, in Fig. 6.
. _
These will become more apparent from the fol
The letters maybe made any desired heighth.
lowing description.
It is only essential that they terminate in align- 15
In the following detailed description of the in
vention reference is had to the accompanying ‘ment with the spaces of the horizontal rows of
perforations. The letters illustrated, are three
drawing which forms a part/thereof. Like nu
' merals refer to like. parts in all views of the draw
ing and throughout the description.
In the drawing:- ,
Fig. 1 is a perspective view illustrating a typical
" sign constructed according to this invention.
Fig. 2 is a plan view, thereof.
Fig. 3 is an enlarged vertical section, taken on
the line 3—3, Fig. 2.
Fig. 4 is a fragmentary rear elevation of the
front sign plate.
Fig. 5 is a detail view of‘ one of the letters.
Fig.6 is a fragmentary view illustrating an
alternate form of the invention. '
vThe invention comprises a perforated front sign
plate It), the entire surface of which contains-per
forations I I regularly spaced over itsv surface.
The letters of the sign, indicated at 12, are pref?
35 erably formed of sheet metal with rearwardly ex
tending ears l3 spaced so as to enter the spaced
They could, however, be one or more
spaces as desired.
The rear of the sign is closed by means‘ of two
back plates I4 and IS. The outer extremities of
4 O the plates“ and I5 are bent to form hook. like
edges which enclose the side edges of the front
plate, Ill as shown at Hi.
While a speci?c form of the improvement has
been described and illustrated herein, it is de 20
sired to be understood ‘that the same may be
varied, within the scope of the appended claims,v
without departing from the spirit of the invention. '
- Having thus described theinvention, what 'is
claimed desired secured by Letters Patent is,:-
1. An interchangeable sign comprising: a per
forated face plate; metal letter members; tongues
formed integrally with said letter members and -
projecting rearwardly from said letter members
through the perforations in said face plate; a 30
backing plate secured to said face plate; and
means for drawing said backing plate against said
face plate to clamp said tongues againstthe latter.
2. An interchangeable sign comprising: a per
forated face plate; letter members; tongues pro- .
jecting rearwardly from said letter members
through the perforations in said face plate; a
backing plate; a hooked edge on said’ backing
plate for enclosing the edge of said face plate; 40
and means for clamping said backing plate
against said face plate so as to lock said tongues
The inner extremities of the plates l4 and ‘I5 in place therein.
V 3. An interchangeable sign comprising: a per
overlap each other as shown in Fig. 2, so that at
tachment bolts l6 may be passed through all three ‘ ,forated face plate; letter members; tongues pro- 45 '
plates to attach the sign to a supporting post or jecting rearwardly from said letter members
through the perforations in said face plate; a pair
standard [8 as illustrated. .
The sign is formed by selecting vthe desired of backing plates; hooked edges on said backing‘
letters and passing the tongues l3 through the plate for engaging the side edges of said face plate, . ‘
perforations to give the desired letter spacing and saidbacking plates overlapping each other; and 50'
arrangement. The tongues are then bent down- ‘ clamping means for clamping the overlapped edges
of said backing plate to the back of said face
wardly as shown in Fig. 4.
The plates l4 and [5 are hooked ‘over the edges plate.
j of the plate "I and the bolts l6 are tightened to
' y
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