US1051788A - Placard apparatus. - Google Patents

Description

J. WAGNER.

PLACARD APPARATUS.

APPLICATION FILED APR.27, 1911.

Patented Jan. 28, 1913.

3 SHEETS-SHEET 1.

@5 WW /m J. WAGNER.

PLAUARD APPARATUS.

APPLICATION FILED 11.27, 1911.

Patented Jan.- 28,1913.

3 BHEETSSHEET Z.

J. WAGNER.

PLAGARD APPARATUS.

APPLICATION FILED 111 11.27, 1911.

1,051,788. Patented Jan.28,1913.

3 SHEETS-SHEET 3.

JOSEPH WAGNER, 0F BALTIMORE, MARYLAND.

PLACARD ArrAnA'rus.

Specification of Letters Patent.

Patented J an. 28, 1913.

Application filed A ril 27, 1911. Serial no. 623,567.

To all whom it may concern:

Be it known thatl, JOSEPH WAGNER, a subject of the Emperor of Germany, residing at Baltimore, in the State of Maryland, have invented new and useful Improvements in Placard Apparatus, of which the following is a specification.

This invention relates to placard apparatus, and has for an object to provide apparatus of this character which will include a series of unit images and means for moving the units before a picture exhibiting or display opening so that the units of the respective series may be arranged collectively to produce a complete picture.

Another object of the invention is to provide means for moving the picture surfaces with such rapidity that the picture configuration will be changed to present a moving picture illusion.

In the drawings, forming a portion of this specification and in which like numerals of reference indicate similar parts in the several vieWs:Figure 1 is a front view of the apparatus. Fig. 2 is a vertical section therethrough taken on line 2-2 of Fig. 1. Fig. 3 is a horizontal section taken on line 33 of Fig. 2. Fig. 4 is a front view showingparts of the casing in section. Fig. 5 is a diagrammatic view of the motor circuits showing the circuit closers therein.

The apparatus, as illustrated in Figs. 1 to 4, inclusive, comprises a suitable casing 1, the picture display portion or front of the casing having removably fitted thereto a picture exhibiting or display frame 2,-in which the opening 3 is formed. Superimposed driven shafts 4 are journaled in any suitable well known manner in'the casing 1 and each has mounted thereon and suitably secured thereto a roller 5 which is provided adjacent to its ends with peripheral grooves or pulley portions 6. Each roller is also provided adjacent to its ends with sprocket teeth. 7. In advance of each roller and suitably journaled in the walls of the casing 1 are companion idle rollers 8, being located immediately behind the View or exhibiting opening 3 in the frame 2. An apron or continuous belt 9 extends over each roller 5 and the companion idle rollers 8. These belts or aprons are constructed of transparent material and formed therein adjacent to their longitudinal edges are the sprocket openings 10 for the reception of the sprocket teeth 7 on the feed rollers 5.

Each belt or apron is provided with a plural ty of picture surfaces 11 each forming a unit of picture to be displayed. The companion idle rollers 8 operate to positively define the picture plane, it being understood that the display portion of the apron as it is brought into registration with the exhibiting opening 3 will be dis osed vertically, as at 12, in Pig. 2 of the rawings. In this way the cooperating surfaces 11 which represent the separate units of the picture to be displayed may be simultaneously moved relatively to their full picture display positions.

As stated, the aprons are constructed preferably of transparent material and in the space in rear of each apron is an electric bulb 13 or other suitable well known means of illumination to be relied upon for illuminatin the pictures when the apparatus is exhibited in the dark. A motor 14 is mounted in the casing 1, preferably in the bottom thereof and is provided with a driving shaft 15 which has secured thereto the driving pulleys 16. Driving belts 17 extend over th pulleys 16 and over the ulleys 18 and 19 and around the driving ro llers 5, as clearly illustrated in Fig. 2 of the drawings, the belts bein arranged in a tortuous manner so that al of the driving rollers 5 will be driven in the same direction.

\Vith a view of imparting to the belts or aprons 9 of the apparatus a substantially intermit tent movement, Lprovide the circuit closing devices 20, two of such devices being employed and each embodying the fixed contact 21 and the movable contact 22. The movable contacts are provided on their under surfaces with abutments 23 each having a surface 24 which is arranged substantially tangential to the movable contact actuating wheel 25. The wheels 25 are mounted on the driving shaft 15 and each has arranged thereon the actuating lugs 26. These lugs are radially disposed and are arranged at suitable spaced intervals on the peripheral surface of the wheels 25 and are designed to alternately engage the abutinents 23 so as to properly open and close the electric circuit. The circuit closing devices are properly timed or constructed so that movement of each belt or picture apron will practically cease on movement of the belt to full picture display position.

During the operation of the device the motor circuit is broken immediately on the 2 memes engagement of the cam'23 by the? lug 26 and held broken as long as such engagement lasts. The momentum of the motor is suflicient to carry the lug 26 out of engagement with thecam 23 permitting the movable contact to fall into engagement with the stationary contact whereupon the circuit is closed. I 1

The motor 14 is arranged in the separate electric circuits 27 and 28, each circuit being provided with a contact 29 and a switch 30. These circuits are respectively arranged in the circuit closing devices and the circuit 27 is provided with a resistance coil 31. From this construction I provide means, whereby the belts can be driven at a very slow rate of speed'or a fast rate of speed according to the taste of the operator.

I claim:

1. A changeable exhibitor comprising a casing provided with a display opening, idle and riving rollers mounted'in said casing, said driving rollers being provided with sprocket teeth and also'peripheral grooves or pulley portions at their ends, a plurality of picture bands provided with sprocket openings adapted to move behind the said.

display opening, a motor arranged in separate weak and strong electric circuits mounted 1n the casing and having a driving pulley at each end of its shaft, pulleys ar-' ranged in rear and advance of the driving rollers, and endless driving belts extending over said rear pulleys, thence alternately over the said advanced pulleys and driving rollers and thence over the driving pulleys.

2. A. changeable exhibitor comprising, in combination, a casing, a plurality of sepa rate movable transparent picture aprons, or

bands mounted in the casing, means for illuminating the pictures, driving belts, an electric motor arranged in separate strong and weak circuits and mounted in the said casing, a manually operable switch for each of the circuits so that either circuit may be closed to operate the motor, two separate circuit closures adapted to alternately break and close the motor circuit and cam wheels mounted on-the motor shaft for operating the circuit closures.

. said display opening ofthe casing and over the said idle and driving rollers, a motor arranged in separate weak and strong electric circuits and mounted in the casing and having a driving pulley at each end of its shaft,

endless driving belts extending over said pulleys and driving said picture bands, two pivoted circuit closers having cam surfaces, and a wheel also mounted at each end of the shaft and having radially disposed space'dlugs adapted to engage said cam sur-" faces for actuating the circuit closing devices, each of which is arranged one in each electric circuit.

In testimony whereof I afiix my signature in presence of two witnesses.

v JOSEPH WAGNER.

Witnesses JAMES O. Konnn, v BENNETT S. Jones.

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