US2026081A - Coin slide for coin controlled machines - Google Patents

Description

Dec. 31,1935. c. H. cuwns COIN SLIDE FOR COIN CONTROLLED MACHINES Filed Aug. 9,1933 2 Sheets-Sheet l dam/W Ew w R m W 1935- c. H. CURTIS COIN SLIDE FOR COIN CONTROLLED MACHINES Filed Aug. 9, 1933' 2 Sheets-Sheet 2 I I m H I I I In I/ H "w m 1 ,2 N i v\ .iHllllllI I l V v/( m Patented Dec. 31, 1935 UNITED STATE COIN SLIDE FOR COIN CONTROLLED MACHINES Charles Herbert Curtis, Sumter, S. C.

Application August 9, 1933, Serial No. 684,456

9 Claims. (Cl. 19497) My invention relates to coin slides for coin controlled machines.

An object of my invention is to provide a slide for a coin controlled machine in which means is provided to prevent the fraudulent operation of the machine by any form of slug or imitation of the real coin for which the machine is designed.

Another object of my invention is to provide a mechanism to accomplish this result, which can be readily applied to any form of coin controlled machines carrying slide bars without in any way changing the construction of any of the mechanism associated therewith and operated thereby.

A further object of my invention is to provide a mechanism of this character which is simple in construction andmore effective to detect a slug or imitation coin to prevent the operation of the machine thereby.

A still further object of my invention is to provide a combination of detectors so associated that they independently operate upon all known forms of slugs or imitation coins without one interfering with the operation of the other.

In the accompanying drawings:

Figure 1 is a top plan view of a coin slide of an ordinary coin controlled machine showing my invention applied thereto.

Fig. 2 is a side elevation of Figure 1.

Fig. 3 is a plan view of the bar coin slide with the guide removed.

Fig. 4 is a diagrammatical view of the coin slide showing the slide gate to prevent the insertion of a shim for operating the machine by a coin or slug with a hole in it, or plugged up hole. Fig. 5 is a diagrammatical view of the coin slide showing the pivoted dog for engaging a slug or softer metal than proper coin, and engaging the slide bar when a thin coin is placed in the aperture in the slide bar.

Fig. 6 is a diagrammatical view of the slide bar showing the pivoted dog for engaging a Texas coin or slotted slug and locking the slide bar against inward movement.

Fig. '7 is a top plan view of the guide or housing for the slide bar showing the three coin detecting dogs removed.

Referring now to the drawings I represents the guide of a coin slide in which is slidably mounted the coin holding slide 2 adapted to operate the mechanism upon the inward movement thereof a predetermined distance. The guide I is provided with laterally extending flanges 3 by means of which it is secured to the machine, all

of which is of the usual construction and needs no further description. The coin holding slide 2 is provided with an aperture 4 in which the coin is placed and the guide holds the coin in the aperture until the slide 2'has been forced inwardly a predetermined distance to operate the mechanism when the coin is discharged into the machine and the slide is either drawn back by hand or forced back by a spring.

The flange 3 on the outside is provided with a housing 5 which has its lower end open, and in which is arranged a vertically movable gate 6 which is directly above the center of the coin slide 2. Carried by the upper face of the guide I in beyond the flange 3 are a series of ears 1., 8, 9 and I0, and in which is supported a transverse pin II upon which are mounted the three detectors hereinafter more fully described.

Mounted on the pin H between the ears 9 and I intermediate its ends is a lever I2 which has its outer end extending outwardly through a slot I3 in the flange 3 and entering an aperture I4 in the gate 6. The inner end of the lever I2 is normally held downwardly within a slot I in the coin holding slide 2 clearly'shown in Figures 3 and 4. This gate, as shown in Figure 4, is to prevent the use of a slug or coin with a hole in it by placing a shim plate over the hole in the coin, thereby holding the dog 20 upward in its normal position and causing it to be useless. When such a coin is used, and the shim placed over a slug or hole in the coin and over the slot 34, the beveled outer face iii of the slot l5 engages the inner end of the lever l2 raising it and forcing the outer endthereof downwardly, which in turn forces the gate 6 downwardly toward slot 34 in slide 2 and the lower end thereof will grip the shim and prevent the slide 2 from being forced inwardly. In order to normally hold the inner end of the lever l2 within the slot 15 as shown in Figure 4, a leaf spring I! is fastened at 18 to the guide and has its outer end I!) engaging the inner end of the lever I2.

Mounted upon the pin H between the ears 8 and-9 is a dog 20 which is normally held in a downward position, as shown in Figure 5, by means of the spring 2| fastened at 22 to the guide and its forward or outer end- 23 engaging an upwardly extending lug 24 carried by the dog 20. The extreme outer end of the dog 20 is curved downwardly and very pointed, as indicated at 25, and the same is held downwardly upon a raised cam surface 26 carried by the slide 2, and the outer end of said cam surface is beveled as indicated at 21.,

The dog 20, as shown in Figure 5, drops off of the cam 26 as the slide moves inwardly and into the aperture 4 slightly after point 25 on dog 20 has cleared forward wall of aperture 4. If a soft slug or coin is in the aperture the pointed end of the dog 26 bites into the same and prevents the slide from being moved inwardly sufl'icient to operate the machine. If a thin hard coin or slug is placed in the aperture, the dog slides over the same until it reaches the outer edge of the aperture when it cannot ride upwardly'and the slide is locked against inward movement to operate the machine.

Mounted upon the pin l l between the ears! and 8 is a dog 28 which is normally held downwardly by means of the spring 29 fastened to the guide at 36 and its outer end 3| engaging the dog. The forward lower end of the dog 28 is pointed as indicated at 32 and travels slightly above the slot 33 in the slide 2 so as not to come into contact with a proper coin in aperture 4. The forward end of the slot is in communication with the coin aperture 4 as shown in Fig. 4. The upper forward end of the dog 28 is provided with a laterally extending pin 33 which extends over the hooked end 23 of the spring 2| operating the dog 26. By this arrangement the dog is held in a neutral position, as shown in Figure 6, out of the slot 33 until the dog 20 passes beyond the cam 26 when spring 29 will forceit downward slightly after the forward end thereof .reaches the coin aperture 4.

The dog as shown in Figure 6 is adapted to prevent the use of what is known as a Texas coin or slug. This coin or slug is usually of steel and is provided with a slot at one side so arranged that the usual cam 35 enters the same, and the slug will not be forced from the aperture in the slide and. can be used over and over again without removing it from the slide. These slugs being of steel the magnet employed for detecting a steel slug will hold the slug up within the aper-' ture 4 of the slide. However, when the dog shown in Figure 6 is released from the tension of the spring 2| by the dog 20, having passed the cam 26, the spring 29 forces the dog 28 downwardly within slot 33 slightly after the dog reaches the aperture 4. The slot in the Texas coin or slug is in line with the-slot 33, and the pointed end 32. of the dog '28 travels in the slot in the coin or slug until it reaches the end of the slot when it will engage the outer or forward wall of the slot and lock the slide 2 against further inward movement. When the proper coin is in the aperture 4, the dog 28 will slide over top of coin and not interfere with operation (having been let down slightly after forward end of coin has passed under, point 32).

From the foregoing description it will be seen that the combination of the gate and the two pivoted dogs prevents the use of any known'form of coin or slug from being used to operate the machine, each operating independently upon the type or coin or slug for which it is intended, and neither in any way interfering with the other in its operation upon the coin of the type for which it is designed.

Having thus described the invention, whatl claim as new and desire to secure by Letters Patent, is:-

1. In a device of the character described, the combination of a slide provided with. an aperture to receive a coin and a slot in advance of said aperture, a guide for said slide adapted to permit preventing fraudulent operation of said slide, said means including a device operable upon the use of a shim extending over said slot for clamping the shim and preventing movement of said slide, but adapted to enter said slot when no shim is employed whereby to permit free movement of 6 said slide.

2. In a device of the character described, the combination of a slide provided with an aperture to receive a coin and a slot in advance of said aperture, a guide for said slide adapted to per- 10 mit a stroke of predetermined length, means including a sliding gate for preventing the operation of said slide by the use of a shim plate extending over said slot, means including a plurality of pivoted dogs for preventing the operation of said 15 slide by the use of fraudulent coins, and means operable upon the movement of said slide for permitting the operation of said gate and said dogs, one of said dogs being dependent for its operation upon the movement of another of said dogs. 20

3. In a device of the character described, the combination of a slide provided with an aperture to receive a coin and a slot in advance of said aperture, a guide for said slide adapted to permit a stroke of predetermined length, and means 25 including a sliding gate for preventing the operation of said slide by the use of a shim plate ex-' tending over said slot. I

4. In a device of the character described, the combination of a slide provided with an aperture to receive a coin, a guide for said slide adapted to permit a stroke of predetermined length, said slide having a slot at the forward end thereof, a gate mounted on said guide for movement at an angle to the plane of said slide, a lever pivotally. 35 mounted on said guide, means for connecting one end of said lever to said gate, means operating on the opposite end of said lever upon the movement of said slide for moving said gate into said slot, whereby to permit the free movement of 40 said slide, said gate being adapted to arrest the movement of said slide when a shim extends over said slot by clamping said shim, and means for returning said gate to its normal position upon the return of said slide. 45

5. In a device of the character described, the combination of a slide having a coin receiving aperture, a guide for said slide adapted to permit a stroke of predetermined length, said slide having a longitudinal opening at the forward end 50 thereof and a slot in rear of said coin receiving aperture, a gate mounted on said guide for movement into and out of said opening, a lever pivotally mounted on said guide and having one end thereof engaging said gate, and a spring for 55,

normally forcing the oppositeend of said lever into said slot thereby raising the gate when said slide is in an inoperative position, the forward edge of said slot being adapted to force one end of said lever upwardly whereby to lower the gate 0 into said opening after the coin receiving aperture has passed beneath said gate, said gate, however, being adapted to prevent the operation of said slide when a shim extends over said opening by clamping said shim. 5 6. In a device of the character described, the combination of a slide having a coin receiving aperture, a guide for said slide adapted to permit a stroke of predetermined length, a raised portion on said slide in rear of said coin receiving aper- 70 ture and extending along a diametrical line of said aperture, a sharp ended dog pivotally mounted on said guide and having the short end thereof resting upon said raised portion when the slide is in an inoperative position, a spring for forcing 75 said dog downwardly into said coin receiving aperture when the slide is moved inwardly to shift the raised portion away from under said dog whereby to cause the said sharp end to pierce a soft coin to arrest further movement of said slide,

a second dog pivotally mounted on said guide at one side of said sharp ended dog, and means connecting said second dog with said sharp ended dog whereby said second dog comes into operation after the raised portion on said slide has shifted away from under said sharp ended dog.

7. In a device of the character described, the combination of a slide having a coin receiving aperture and a longitudinal opening at the forward end thereof, a guide for said slide adapted to permit a stroke of predetermined length, means for preventing the operation of said slide when a shim extending over said opening is used, means including a pivoted dog for preventing the operation of said slide by the use of a soft coin or a thin coin, and means including a pivoted dog for preventing the operation of said slide by the use of a slotted or Texas coin.

8. In a device of the character described, the combination of a slide having a coin receiving aperture and a longitudinal opening at the forward end thereof, a guide for said slide adapted to permit a stroke of predetermined length, means for preventing the operation of said slide when a shim extending over said opening is used, means including a pivoted dog for preventing the operation of said slide by the use of a. soft coin or a thin coin,

and means includinga pivoted dog for preventing the operation of said slide by the use of a slotted or Texas coin, said last named means being operable only upon the operation of said means for preventing the operation of the slide by a thin 5 coin or a soft coin.

9. In a device of the character described, the combination of a slide having a coin receiving aperture and an opening at the forward end thereof, a guide for said slide adapted to permit a stroke of predetermined length, means including a sliding gate operable upon the inward movement of said slide for arresting the movement thereof when a shim extending partially over said opening is used, a sharp pointed dog pivotally mounted on said guide, a raised portion on said slide behind said coin receiving aperture for normally holding said dog above the level of said slide, a spring for forcing said dog downwardly into said coin receiving aperture upon the inward movement of said slide whereby to arrest the further movement thereof when a soft coin or a thin coin is used in said aperture, a second dog pivotally mounted on said guide and normally held above said slide by said spring when said sharp pointed dog is resting upon said raised portion, and means for forcing said second dog downwardly after said sharp pointed dog has descended whereby to prevent the further movement of said slide by the use of a slotted or Texas coin in said coin receiving aperture.

CHARLES HERBERT CURTIS.

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