Apparatus for mounting an advertising display unit for use with a public telephone

A vandal resistant mounting method and apparatus for an advertising display unit for use with a public telephone is disclosed. The advertising display unit mounting comprises a vertical post having, a recessed support in a front opening to secure the public telephone, and an advertising unit including a display wall having an aperture. The mounting disclosed operably prevents removal of the display wall from the post. The display wall has a least one laterally outwardly extending wall section adjacent the aperture of the unit for display of advertisements. Additionally, a transparent covering is attached to the display wall to operably shield the advertisements.

BACKGROUND OF THE INVENTION 
1. Field of the Invention 
This invention relates generally to the field of public telephone 
mountings, and particularly to new and improved methods and apparatus for 
mounting an advertising display unit for use with a public telephone. 
2. Description of the Prior Art 
Vandalism to public or coin telephones has long been a serious problem to 
the industry. The substantial increase in the incidents of such vandalism 
in recent years has resulted in a corresponding increase in efforts to 
design more secure coin telephones and telephone mounting systems. One 
important development in coin telephone security mounting involves 
recessing the telephone housing in an opening of a steel post with the 
rear edges of the front housing projecting forward of the post. 
Other developments include the front wall of the rectangular tubular steel 
post embracing the top and sides of the front housing of the public 
telephone forward of the rear edges of the conventional raised lip of the 
front housing. Since these edges are recessed in the post, they are 
protected from prying tools. Such a telephone mounting is illustrated, for 
example, in U.S. Pat. No. 3,752,927. 
Additionally, it has been common practice to provide an enclosure which 
affords weather protection, conversational privacy and additional security 
to the public telephone. Again by way of example, the above U.S. Pat. No. 
3,752,927 discloses an enclosure which may be interchanged with a shelf 
without having to remove or disassemble the public telephone. The 
enclosure is supported on the upper end of the telephone mounting and is 
secured to the post by a multiplicity of fasteners. This conventional 
enclosure comprises a unitary aluminum ring-like enclosure that encircles 
the telephone a short distance from the top, bottom and sides of the 
telephone and extends forward of the front wall of the post. 
Another example of a public telephone mounting includes U.S. Pat. No. 
3,511,941. This public telephone mounting assembly includes a mounting 
plate fixed to a wall, the telephone secured to the mounting plate, and an 
enclosure secured on the wall independently of the telephone and mounting 
plate. The enclosure includes a back wall having an elongated aperture 
which receives the mounting plate. The top edge of the aperture engages a 
flange formed on the upper backside of the mounting plate. The enclosure 
includes only a backboard with side wings spaced a short distance from the 
sides of the public telephone. 
The above patents illustrate the conventional practice of securing the 
enclosure independent of the telephone. This practice makes the enclosure 
an "easy mark" and therefore subject to frequent vandalism. The industry 
has heretofore not solved the problem in providing a mounting for a public 
telephone having an enclosure that is vandal resistant. 
U.S. Pat. No. Des. 263,101 discloses an ornamental design for a combined 
telephone booth and advertising display unit. This overhead advertising 
display unit is not in the line of sight of the telephone user when using 
the telephone receiver. 
3. Identification of the Objects of the Invention 
It is therefore an object of this invention to provide a method and 
apparatus for mounting an advertising display unit for use with a public 
telephone which is not subject to the problems of the past. 
It is another object of the invention to provide a method and apparatus for 
providing a vandal resistant mounting for the advertising display unit. 
It is another object of this invention to provide an advertising display 
unit which provides a display wall adjacent the public telephone having a 
protective transparent covering. 
It is another object of the invention to provide a method and apparatus for 
mounting an advertising display unit which facilitates retrofitting of the 
invention to existing public telephone systems. 
It is another object of the invention to provide an advertising display 
unit which provides obstruction plates for preventing access to the 
telephone. 
It is another object of the invention to provide an advertising display 
unit having a display wall adjacent the public telephone for 
advantageously securing advertisements in the line of sight of the 
telephone user. 
SUMMARY OF THE INVENTION 
The objects identified above, as well as other advantages and features of 
the invention are incorporated in a vandal resistant mounting method and 
apparatus for an advertising display unit for use with a public telephone. 
The public telephone has a rear housing and a front housing detachably 
secured to the rear housing. The advertising display unit mounting 
comprises a hollow member or post, a recessed support in an opening in the 
front wall of the post, an advertising unit including a display wall 
having an aperture and a means for preventing removal of the display wall 
from the post. 
The rear housing of the telephone is first secured to the support. The 
display wall of the advertising display unit is then positioned adjacent 
the front wall of the post with the aperture of the display wall being 
received about the peripheral configuration of the rear housing. The 
display wall has laterally outwardly extending wall sections adjacent the 
aperture of the unit for display of advertisements. Additionally, a 
transparent covering is attached to the wall section of the display to 
operably shield the advertisements. 
The edge of the aperture of the display wall is blocked by the rear edge of 
the conventional raised lip of the front housing to prevent removal of the 
unit from the hollow member. The advertising display unit can be removed 
from the post upon detachment of the front housing from the rear housing 
of the telephone.

DETAILED DESCRIPTION OF THE INVENTION 
The vandal resistant mounting apparatus 10 embodying the invention is shown 
in detail in FIGS. 1-4. The apparatus 10 is shown in FIG. 1 with a hollow 
member or post 14. The security mounting of advertising display unit 16 to 
the post 14 will be discussed in detail below. 
The display unit 16 has transparent coverings 18A and 18B positioned 
laterally from the public telephone 12 to shield a plurality of 
advertisements 20. For purposes of illustration, the transparent covering 
18B is shown in exploded view and transparent covering 18A is shown in 
place in FIGS. 1-4. 
The post 14 is attached to a base 22 in the conventional manner with the 
base in turn secured to a foundation (not shown). As shown in FIGS. 1, 3 
and 4 the public telephone comprises a front housing 24 and a rear housing 
26. The lower housing 26A of the rear housing 26 is situated beneath the 
front housing 24. Lower housing 26A includes a conventional coin return 
shute and a vault door permanently joined to the rear housing. 
The front housing 24 includes a switch hook and a push button dial and has 
a hand set 28 connected thereto by a cord. The front housing 24 is 
removably detachable from the rear housing 26. The front housing mates 
with the rear housing in an overlapping fashion and is secured to the rear 
housing by a conventional double locking bar arrangement positioned on one 
side of the telephone 12 (not shown). 
Turning now to FIG. 2, the advertising display unit 16 has laterally 
positioned obstruction plates 30A and 30B forwardly extending from the 
display wall 32 of the unit 16. The display wall 32 has a rectangularly 
shaped aperture 34 therein. The edge 36 of the aperture 34 is in close 
tolerance with the peripheral configuration of the rear housing 26. The 
aperture 34 of the unit 16 is slidably received about the peripheral 
configuration of the rear housing 26 and lower housing 26A. The edge 36 of 
the aperture 34 is blocked by the raised lip of the front housing 24, as 
shown by dashed lines, when the front housing 24 is secured to the rear 
housing 26. Therefore, when the rearward and bottom edges of the front 
housing overlaps adjoining edge 37 of the rear housing; edge 36 of the 
display wall 32 is blocked from forward movement, as will be explained in 
more detail below. 
The fascia 38 of the unit 16 extends from the upper plate 40 to the 
forwardly projecting soffit 42. The fascia 38 may be used for identifying 
the telephone or for any other purpose. Additionally, a light fixture (not 
shown) may be installed in the soffit 42 or alternatively, the entire 
soffit and fascia be a light fixture (not shown). A shelf 44 is secured to 
the forwardly extending plates 30A and 30B and provides a surface 
preferably downwardly sloping from back to front for the convenience of 
the telephone user. The downward slope of shelf 44 prevents trash 
accumulation when in a public phone. It is to be understood that though 
the preferred embodiment illustrates the shelf 44 as a unitary 
construction with the unit 16 that a preexisting independent shelf could 
be secured directly to the post 14. 
A plurality of screws 46 are received through holes in display wall 32 and 
are threadedly received into the post 14 for additional securement of the 
unit 16 to the post 14. 
Turning now to FIG. 3, the rectangular tubular steel post 14 has a front 
wall 48, side walls 50, as best shown in FIG. 4, and a back wall 52. As 
best seen in FIGS. 3 and 4, the front wall 48 has an opening 54 for 
receiving the rear housing 26 of the telephone 12. The interior of the 
hollow member or post 14 includes support means 56 to the rear of the 
openings 54 for securing the rear housing of the telephone by conventional 
means. The support means 56 is preferably welded to the sidewalls 50, 
though any conventional securing means may be used. An illustrative 
securement of the telephone to the support means is disclosed in U.S. Pat. 
No. 4,246,451 and is incorporated herein for all purposes. Upper and lower 
blocking plates, as disclosed in U.S. Pat. No. 3,752,927, may also be used 
in this invention. These plates afford additional protection to the 
apparatus by preventing the insertion of any prying tools or chisels into 
the interior portion of the post adjacent the telephone. 
The advertising display unit 16 is positioned adjacent the front wall 48 of 
the post 14 about the peripheral configuration of the rear housing 26 
after the rear housing has been secured to the support means 56. The 
obstruction plates 30A, 30B, 40 and 42 and shelf or plate 44 of the 
display unit are illustrated in FIGS. 3 and 4. These plates extend 
forwardly of the edge of the display wall substantially a greater distance 
than the front surface of the telephone 12 to prevent vandalism of the 
telephone 12 by use of prying tools. 
Turning now to FIG. 4, the front housing 24 is shown attached to the 
telephone rear housing 26 so that the raised lip 58 of the rearward edge 
of the front housing 24 laterally overlaps or blocks the edge 36 of the 
display wall 32 of the unit 16. As discussed above the transparent 
covering 18B is shown aligned with the display wall 32 in an exploded view 
and the transparent covering 18A is shown positioned on the display wall 
32. Though FIG. 4 does not show the raised lip 58 in contact with the 
transparent covering 18A, it is to be understood that the positioning of 
the support means 56 relative to the post 14 could be fabricated such that 
the standard raised lip 58 would apply a compressive load to hold the 
transparent coverings 18 adjacent the display wall 32. 
As can be understood from the description above, the vandal resistant 
mounting apparatus for an advertising display unit 16 provides a telephone 
user with a plurality of advertisements advantageously positioned on the 
display wall 32 in his line of sight. The display wall 32 laterally 
extends from the aperture 34 so as to provide sufficient room for the 
advertisements thereon and to draw attention to both the telephone and the 
advertisements. 
USE AND OPERATION 
The advertising display unit 16, the telephone 12, the post 14 and 
corresponding base 22 may be secured in either an outdoor or indoor 
location convenient to telephone users. The rear housing 26 is then 
secured to the support means 56 so that the rear housing projects from the 
post 14, as best shown in FIG. 3. The display wall 32 of unit 16 is then 
positioned adjacent the front wall 48 of the post 14 with the aperture 34 
of the display wall 32 closely received about the peripherial 
configuration of the rear housing 26. 
The front housing 24 is then secured to the rear housing 26, as shown in 
FIG. 4, so that the raised lip 58 on the rearward edge of the front 
housing blocks the display wall to prevent removal of the advertising unit 
from the post. 
The locking bar arrangement on the front housing is then locked by a key. 
If authorized individuals desire to remove the display unit, the double 
locking bar arrangement is unlocked. The front housing is then removed 
thereby allowing the display unit to be slidably removed from the rear 
housing. 
Various modifications and alterations in the described structure will be 
apparent to those skilled in the art of the foregoing description which 
does not depart from the spirit of the invention. For this reason, these 
changes are desired to be included in the appended claims. The appended 
claims recite only the limitation to the present invention in the 
descriptive manner which is employed for setting forth the embodiments and 
is to be interpreted as illustrative and not limitative.