US1605833A - Device - Google Patents

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US1605833A
US1605833A US1605833DA US1605833A US 1605833 A US1605833 A US 1605833A US 1605833D A US1605833D A US 1605833DA US 1605833 A US1605833 A US 1605833A
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Prior art keywords
shaft
shutters
lever
star wheel
levers
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/02Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles

Description

Nov. 2 1926. i 1,605,833
G. GEE
ADVERTISNG DEVICE Filed Jan. 15. 1924 2 Sheets-Sheet 1 Nav. 2 192s.
G. GEE
ADVERTISING DEVICE Filed Jan. 15, 1924 2 Sheets-Sheet 2 Patented Nov. 2, 1926.
GOVAN GEE, OF LONDON, ENGLAND.
ADVERTISING DEVICE.
Application filed January 15, 1924, Serial No. 686,387, and in Great Britain `January 20, 1923.
This invention relates to advertising devices of the kind in which wording or a device forming an advertisement for display in shops or upon buildings and the like is revealed gradually to the observer by a steploy-step movement, and has particular although not exclusive reference to those in which advertisements consisting of Wording are spelled out letter by letter.
The object of the present invention is to provide an advertising device of the above kind which is visible in the day time and which can also, if desired, be used for night displays. In devices of the above kind ordinarily employed the lettering or device to be displayed is formed by electric lamps and can only be used conveniently at night. The present invention, however, possesses the advantage that it is easily visible at day time.
According to the invention an advertising device is provided wherein a word, group of words, or series of devices are revealed in successive sections by step-by-step movements of a screeningl element or elements. Preferably, the advertisement when completely revealed by step-bystep movements, is completely screened in one movement and a series of advertisements may be employed,
successive members of which are brought,
into position for display during the intervals of complete screening after each cycle of step-by-step revealments. Y According to the preferred form of the invention a number of successively operated shuttersreveal the advertisement in stages and also operate simultaneously toobscure the advertisement when completely revealed, such shutters being operated by cam-actuated levers.
A preferred form of the invention will now be particularly described with reference to the accompanying drawings in which Figure 1 is a front elevation of the device with the .face plate partly broken away and with some of the shutters removed,
Figure 2 is a. section on the line AB of Figure 1, and i Figure 3 is a section on the line C-D of Figure 1.
The apparatus comprises suitable sheet metal or other frames 1 connected together by longitudinal strips 2 and mounted upon a base 3 adapted also to support a suitable enclosing easing (not shown). I
A sheet metal or other suitable face-plate 4 secured to the frames 1 is formed with windows or apertures 5 adapted to expose i rows and the shutters 7 of the upper row are formed with lugs 11 having apertures in which the tips of the levers 9 engage (Figure 3) whilst the shutters 7 of the lower row are connected to the corresponding levers 9 by means of pivotal connections 12.
y The levers are actuated by cam discs 13 fast on a common shaft 14 mounted in bearings in the frames 1. These `cam discs are so formed that, upon continuous rotation of the cam shaft 14, the shutters 7 are lifted one by one until all the words on the faces for the time being in use of the rollers 6 have been spelled out, and are then closed simultaneously.
The cam shaft 14 also carries a cam 15 e engaging a pin 16 von one end of a .spring loaded bell crank lever 17 mounted to rock on a rotatable shaft 18. The other end of the bell crank lever 17 has a pin 19 adapted to engage the teeth of a star wheel 20 mounted to rotate upon a Xed shaft 21.
The star wheel 2O has siX teeth and carries a pair ofpawls 22 engaging a ratchet wheel 23 formed on orsecured to the boss of a Spur wheel124 also mounted to rotate on the shaft 21 and meshing with Spur wheels 25 fast on the shafts of the rollers 6.
The star wheel 20 is yieldably held in any one of six defined positions by means of a spring-urged pawl 26 mounted onv a stub shaft on the end frame 1 and shaped as shown so that it will allow the star wheel to rotate in either direction but will tend to rotate it into a position in which the pawl 26 is most deeply engaged between a pair of teeth of the star wheel. The spur wheels 24 and 25 are set in such relative positions that when the star wheel 23 is in one of the positions into which it is urged by the pawl 26, and the pawls 22 are in engagement with the radial sides of the teeth of the ratchet wheel 23, the rollers 6 are both in such a position that one of their six sides is parallel to the faceplate 4. A
The cam shaft 14 is adapted to be constop bar 35 for the levers 9. This bar, which may be of wood, has a piece of felt upon its upper surface to receive the levers 9. Bowshaped spring wire buffers 36 are also preferably provided for cushioning the fall of the shutters 7. A suitable cushioning stop 17Ll may also be provided for the lever 17.
The operation of the apparatus is as follows Y The motor 27 through the gearing 28, 29, 31, 32, 33, 34, drives the cam shaft 1/1 continuously in the direct-ion of the arrow (Figure 3.) As the cam discs 13 rotate, the levers 9 are lifted one by one so that the shutters 7 are consecutively lifted and the Wording on those faces of the rollers 6 for the time being in use is spelled out one letter at a. time.
During this operation the cam 15 also rotates, and rocks the lever 17 against the action of its spring. Towards the end of this movement, the pin 19 of the lever 17 .engages one of the teeth of the star wheel and rotates it momentarily in a clockwise direction (Figure 2) against the action of the spring pawl 26. Vhen the pin 19 has passed the tooth, the star wheel is returned to its original position by the pawl 26 and is then ready to be engaged by the pin 19 upon the return movement of the lever 17. After all the shutters 7 have been lifted the levers 9 and 17 are simultaneously allowed to resume their original positions, the levers 9 moving under the action of gravity whilst the lever 17 is moved by its spring. The shutters 7 are therefore closed simultaneously, vand at the same time the star wheel 2O is rotated by the lever 17 through the space of one tooth. This rotates the rollers 6 through the pawls 22, ratchet wheel 23 and spur wheels 24 and 25 so that fresh sides of the rollers 6 bearing a fresh group of words are brought into position behind the apertures 5. The continued rotation of the shaft 14 causes the shutters to be again lifted one by one, ,so that the fresh wording is spelled out as before, the cycle of operations being repeated automatically so that thesiX separate sets of wording on the six sides of the rollers 6 continue to be successively spelled out as long as the apparatus is in operation.
In order to counteract any tendency of the rollers 6 to rotate beyond their proper positions when actuated by the star wheel 20, I prefer to provide braking devices in the form of blade springs 37 engaging one of the rollers 6 at each end.
It will be understood that various modiications could be made in the construction above described without departing from the spirit of the invention.
I claim:-
1. In apparatus of the class described a displaying roller mounted for rotation, a shaft geared to said roller, a sta-r wheel mounted on said shaft for step by step rotation in one direction, a spring urged pawl engaged with the star wheel and arranged to prevent casual rotation of the said star wheel, shaft and roller and hold the latter with a. localized portion of its surface displayed, a movable shutter, a lever connected to said shutter, a shaft having a cam to raise and drop said'leVer, a lever to impart step by step mot-ion to said star wheel, and a cam on said camshaft to actuate said lever.
2. In apparatus of the class described, a plurality of display rollers, ashaft geared to said roll-ers, a star wheel mounted on said shaft for step by step rotation in one direction, a plurality of movable shutters, a plurality of levers, each connected to one of said shutters, a shaft having a plurality of cams to raise and drop said levers, said cams being arranged to cause the levers to successively open the shutters and then simultaneously close the shutters, a lever to impart step by step motion to said star wheel, and a cam on said cam shaft to actuate said lever.
In Witness whereof I affix my signature.
G() VAN G EE.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641857A (en) * 1950-05-12 1953-06-16 Cecil A Pedersen Illuminated scoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641857A (en) * 1950-05-12 1953-06-16 Cecil A Pedersen Illuminated scoring device

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