US1092175A - Advertising device. - Google Patents

Description

H. & H. J. SCHMITT.

ADVERTISING DEVICE. l

APPLICATION FILED AUG.19,1912.

Patented Apr. 7, 1914.

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H. & H. J. SCHMITT. ADVERTISING. DEVICE. APPLICATION FILED AUG. 19, 1912.

Patented Apr. '7, 1914 COLUMBIA PLANDQRAPH co..wAsH|NGTON, D4 cA H. & H. J. SCHMITT. ADVERTISING DEVICE.

APPLICATION FILED AUG. 19, 1912.

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Application filed August 19, 1912.

To all whom t may concern.'

Be it known that we, HENRY SCHMITT and HENRY J. SCHMITT, citizens of the United States, residing at Chicago, in the county o-f Cook and State of Illinois, have invented a new and useful Improvement in Advertising Devices, of which the following is a specification.

The object of our invention is to provide an automatic device to be particularly located in windows and other points of vantage adapted to attract attention by the gradual production of writing, drawing, or figures on blank paper as it moves on the device, and on which a continuous story, pictures or figures can be produced to arrest and engage the attention of the observers, to whom the progressive appearance of the marking on blank white paper seems mysterious.

The manner in which we accomplish our object is described in the following specification and illustrated in the accompanying drawing in which Figure 1 is a right side elevation looking from the front of the device. Fig. 2 is a left side elevation, and Fig. 3 is a rear elevation.

In the drawings Fig. l, 4 indicates the side frame. This frame is duplicated on the opposite side as shown in Fig. 2, and is indicated by the numeral 5. Between these frames at the lower part is a shaft 6. This shaft is rotatably and removably supported in open ended slots 7. The shaft 6 is adapted to support a roll of paper which is indicated by the large circle 8. The paper from this roll is drawn under a bar 9 supported in the lower extension 10 of the frames 4 and 5. From this bar the paper is carried upward and over a rheostat or heating coil 11 which is fixed on brackets 12 that are secured to the frames 4, and 5. The paper is then drawn over a bar 13 which is carried by frame extension 14. From that bar the paper passes to the rear and d-own over the bars 15 and 16, to a roll 17. The bars 9, 18, 15, and 16 are fixed and form the transverse braces of the frame. The shaft 17 is rotatably supported in the ends of open slots 18 in the main frames. In the upper rear part of the frames is a worm screw 19, shaft 20, and a pulley 21. Enmesh with the screw 19 is a worm gear 22. This gear is fixed on a shaft 23 which is rotatably supported in a bearing 24, Fixed on the shaft 23 is a roll Specification of Letters Patent.

Patented Apr. '7, 1914.

Serial No. 715,913.

25, and rotatably supported in the slots 24a is a roll 26. The paper passes between these rolls under the pressure of the springs 27 which engage the roll 26. Fixed on the shafts 17 and 23, are pulleys 28 and 29.. These pulleys are connected by a belt 30. On the shaft 6, is a pulley 81, over which a friction strap 32 hangs. One end of this strap is attached .to the frame, and on the other end of the strap is a weight 33. The whole device is inclosed in a suitable cover. Through an aperture in the cover the paper can be seen as it passes over the heated plate, and the letters, figures, words, and pictures gradually appear on the paper, the aperture being adapted in width and length to allow the observer opportunity to see and read all that appears on the paper as it passes over the heated plate.

When our device is constructed as described and illustrated its use and operation is as follows:-The leaf spring 34 is re moved from contact with the shaft 6 and studs 35, the shaft is lifted out of the bearing slots 7 and a roll of paper previously prepared with invisible writing is placed on the shaft which is then replaced in the slots 7 and secured by the pressure of the readjusted spring 84. The end of the roll of paper is then passed under the bar 9, over the plate 36, bars 13, and 15. rlhe roll 26 is then pressed away or otherwise removed from contact with the roll 25 and the paper is then passed between the rolls and down over the bar 16. rThe end is then made fast on the roll 18. The friction strap 32 is adjusted over the pulleys 31 and the pulley 21 connected by belt with an electric motor, a clock mechanism or other driving power by which the speed can be regulated. An electric connection is made with the rheostat by which the plate 36 in contact with the paper is heated. rlhe driving power is then applied and the mechanism rotated. The pressure contact of the rolls 25 and 26 draws the paper from the roll 8 slowly over the plate 36 where the heat from the rheostat is transmitted to the paper, and the letters, words, lines and figures gradually appear on the paper, which before it reaches the plate 36 is colorless and without a mark of any kind. The printed part of the paper is rerolled on the roll 17. When the roll is complete the leaf springs 37 are removed from contact with the roll 17 and studs 38 and the roll removed.

It is obvious that the plate 36 can be heated by other means than electricity and therefore We do not desire to limit the operation of our device in that respect.

wWhat We claim is l. Tn a device of the kind described, the combination of a Web of paper bearing matter printed thereon in a normally invisible substance but which, when heat is applied to said paper, becomes visible; an element disposed transversely of said web for heating` the latter; rollers about Which the ends of said Web are Wound; means for rotating said rollers to effect univinding from one of said rollers and Winding upon the other thereof whereby said Web will be moved past said heating element; and means flor tensioning` said Web to maintain the samein close contact With said heating element, substantially as described.

2. In a device of the kind described the combination of a traine; rollers rotatively mounted in said frame; a Web having its ends Wound on said rollers, and bearing normally invisible configurations thereon, said configurations being adapted to'become visible on being heated; a heating element disposed transversely of said Web and adapted to heat the latter as it is passed over such heating element; and ears on said frame spacing said heating element from said frame, substantially as described.

3. In a device 'of the kind described the combination of a frame; rollers rotatively mounted in said frame; a web having its ends Wound on said rollers, and bearing normally invisible configurations thereon, said configurations being adapted to become visible on being'heated; a heating element disposed transversely of said web and adapted to heat the latter as it is passed over suoli heating element; ears on said frame spacing said heating element from said frame; and a tensioning means on said frame maintaining said web in close contact'with said heatingv element, substantially as described.

HENRY SCHMITT.

HENRY J. SCHMITT. Witnesses 'THOMAS J. MORGAN,

GUsTAvE T. FRAENGKEL.

Copies of this patent may be obtained for ive cents each, by addressing the Commissioner of Patents,

Washington, D. C.

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