|Publication number||US3455503 A|
|Publication date||Jul 15, 1969|
|Filing date||Dec 7, 1966|
|Priority date||Dec 7, 1966|
|Publication number||US 3455503 A, US 3455503A, US-A-3455503, US3455503 A, US3455503A|
|Original Assignee||Coffield Robert|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (8), Referenced by (5), Classifications (5)|
|External Links: USPTO, USPTO Assignment, Espacenet|
July 15, 1969 R. COFFIELD COIN SECURITY SYSTEM 5 sheds-sheet 1 Filed Dec. 7, 1968 ll 4 /9 Z0 15 T FIG. 9 4
IN :wme 1 was/er cox-wan .arrazwszs July 15, 1969 R. COFFIELD COIN SECURITY SYSTEM Filed Dec. 7, 1966 5 Sheets-Sheet 2 INVENTOR. ROBERT C FIELD .4 T IDPNE Y5 July 15, 1959 R. COF'FIELD 3,455,503
com SECURITY SYSTEM Jwewran eves/er arF/ezo A 7' TORNEKS July 15, 1969 R. COFFIELD COIN SECURITY SYSTEM 5 Sheets-Sheet 4 Filed Dec. 7, 1966 FIG. 9
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July 15, 1969 R. COFFIELD COIN SECURITY SYSTEM 5 Sheets-Sheet 5 Filed Dec. 7, 1966 WJ M JTTORNEYS 3,455,503 COIN SECURITY SYSTEM Robert Coflield, 6555 Broadway, Bronx, N.Y. 10471 Filed Dec. 7, 1966, Ser. No. 599,964 Int. Cl. 365d 91/00; G07b 15/00 U.S. Cl. 232-1 9 Claims ABSTRACT OF THE DISCLOSURE A security device for coins having a locked coin containing unit, the contents of which are inaccessible to handling, the coin containing unit having a single opening for intake and outgo of coins, a moveable cover over the opening fixedly positioned over such opening by a locking mechanism which when released allows for the moving of the cover away from the opening. The coin container is positioned within a shielded enclosure which carries the lock releasing means, the lock releasing means fixedly engaged within the lock when the lock is in released position, the coin containing unit irremovable from the shielded enclosure when the lock releasing means is engaged within the lock.
The present invention relates to a security system for use in conjunction with a coin counting and sorting machine and/or coin-operated vending machines in particular.
In many businesses today, especially those wherein vending machines are employed, a large volume of coins must be collected, counted and sorted. This handling of coins has presented many problems, one of which is that of the loss of coins due to the constant handling of the coins necessitated by the various steps in processing and counting, which losses can occur either due to inadvertence, loss in handling or theft.
In the vending machine business in particular, coin collectors oftentimes remove coins from the vending machines, count and bag the coins and make whatever records are requisite to tally the coins received from a particular machine. Under such system the coin bags are then generally delivered to a coin counting (and sorting) machine where the bags are then emptied into the hopper of a conventional coin counting machine where the operator of the counting machine activates the counting machine which generally counts, sorts and tallies the coins collected.
The hoppers of the coin counting machines are generally open and the operators thereof are oftentimes accused of theft, when discrepancies between the amounts of monies ostensibly recorded as being placed in the original coin receipt bags and the metered amounts of monies which the machine counts after it counts and sorts occur.
The open hop-per on the counting machines giving the operator thereof free access to the coins places suspicion on the operator, many times unjustified, since losses may occur in a variety of other ways, for example, by the collectors putting short amounts in the coin bags which are not recounted until the tally is taken from the coin counting machines, pilfering by others or through inadvertence.
3,4555% Patented July 15, 1969 Whatever the cause, the open hopper of the counting machines allowing free access to coins before they are finally tallied is undesirable.
Similarly, the free access which the coin collectors may have to the coin repositories in the vending machines themselves has created a problem in that coins can be lost through looting, pilfering or otherwise.
According to the present invention, a housing is provided over the coin counting machine hopper, the housing, adapted to receive therein a locked coin containing unit containing the coins taken from vending machines wherein upon release of the lock internal of the housing by the slideably mounted lock release the contents of the coin containing unit are released and descend into the counting hopper where the coins are processed.
The contents of the coin containing unit are thereby made inaccessible to the coin counting and sorting machine operator. The housing may be provided with a cover thereon so that the releasing mechanism for the lock on the coin containing unit is made inaccessible within the housing when the housing is empty preventing any attempt at duplication of the releasing mechanism.
The vending machines themselves may be similarly provided with a security system wherein the coin collecting units are filled within the vending machines themselves, the coin collecting units within a shielded area wherein the locking mechanism of the coin collecting unit is secured internal of the shielded area by the slideably mounted locking mechanism, the coin collecting unit being inaccessible to a collector until the lock is secured.
Although such novel feature or features believed to be characteristic of the invention are pointed out in the claims, the invention and the manner in which it may be carried out may be further understood by reference to the description following and the accompanying drawmgs:
FIG. 1 is a front elevation of a coin counting mechanism with the security system of the present invention thereon.
FIG. 2 is a sectional view taken along lines 22 of FIG. 1.
FIG. 3 is a sectional detail of the housing and locked coin containing unit of the present invention.
FIG. 4 is a sectional view taken along lines 44 of FIG. 3.
FIG. 4A is a sectional view showing the cover removed from the coin box opening.
FIG. 5 is a side elevational partly in section of another embodiment of the present invention.
FIG. 6 is a sectional view taken along lines 66 of FIG. 5.
FIG. 7 is a top plan view partly broken away of FIG. 5.
FIG. 8 is a sectional view partly broken away taken along lines 88 of FIG. 5.
FIG. 9 is a side elevation of another embodiment of the present invention.
FIG. 10 is a sectional view of the embodiment of FIG. 9.
FIG. 11 is a sectional view taken along lines 1111 of FIG. 10.
FIG. 12 is an isometric view of a coin collecting unit of the present invention within a vending machine.
FIG. 13 is a sectional view of FIG. 12 along lines 13-13.
FIG. 14 is a detail of another embodiment of the lock release of the present invention.
Referring now to the figures in greater detail, where like reference numbers denote like parts in the various figures.
The security system of the present invention is readily adaptable for use with a coin-counting and sorting machine such as shown in FIG. 1 wherein a hopper 1 has a rotating inner plate (not shown) which throws coins to the periphery of the hopper 1 where they are assorted by size and delivered by chutes 2 to counting devices 3, counted, metered and emptied into bags 4.
The coin counting and sorting mechanism as described is but one of many known in the art. The hopper 1 is generally provided with an open portion at its top into which coins are usually placed. The security system of the present invention is adapted to fit over the open top of the hopper so as to completely cover the same or, as shown in FIG. 1, a hinged cover 5 is provided for the top of the hopper 1 pivotally hinged by hinge 6 with the housing 7 of the present invention either positioned upon or made an integral part of hinged cover 5. The hinged cover 5 may be provided with a separate lock such as a padlock. The counting devices 3 may also be provided with a bar and lock arrangement 3a as shown in FIG. 1.
Housing 7 can be of any desired configuration so long as the internal dimensions thereof are substantially similar to the peripheral dimension of the coin containing unit 8 which is to be inserted therein as hereinafter described.
As illustrated in FIGS. 1-4, the housing 7 is of a substantially rectangular configuration having an opening 9 on the top thereof. Either integral to or separately aflixed to a side of housing 7 is a lock release casing 10 which carries internal of the lock release casing 10 the lock release 11 shown as comprising a key portion 12 having an elongated handle 13 projecting outward of its casing 10 through an opening 14 in the rear vertical side 15 of the casing 10.
The end portion of the elongated handle 13 is preferably provided with a grip 16. The lock release 11 rides in a channel 17 running lengthwise withinthe casing 10. An opening 18 is provided at the end of the channel 17 interconnecting the channel 17 with the housing 7, the key portion 12 of lock release 11 adapted to fit through the opening 18 and enter part way into the housing 7.
The base 19 of housing 7 is provided with an opening 20, providing access therethrough to hopper 1, hinged cover 5 on hopper 1 having a mated opening (not shown). A chute 21 may be provided within opening extending upward within housing 7 and downward into hopper 1.
A cut-away area or slot 32 is provided along a side of housing 7 in the area of its base 19.
The coin containing unit 8 has a peripheral configuration substantially conforming to the internal shape of housing 7 and is adapted to fit therein. An opening 22 is provided along that side 23 of coin containing unit 8 which will be above the base 19 of housing 7 when coin containing unit 8 is positioned therein. A cover 24 is provided over opening 22, the cover 24 adapted to be slideable from its mounted position over opening 22 within tracks 24a, transversing across the side 23, exposing the contents of coin containing unit 8 through opening 22. An upward flange 24b is provided on side 23 to act as a stop for the cover 24. The cover 24 is provided with a stop in open position such as by provision of side flanges 240 on the rearward portion of cover 24 adapted to intersect the ends of the tracks 24a. The cover 24 is maintained in fixed position over opening 22 by latching portion 25 of the lock 26, the latching portion 25 extending upward from the side 23 intersecting the end portion of cover 24.
The latching portion 25 is adapted to be vertically ex tended and retracted from its intersecting position with the end portion of cover 24 upon the release of lock 26, lock 26 being a key lock as is known in the art, wherein the key cannot be retracted from the insert section 27 of the lock 26 when the latching portion'25 is in retracted position. The cover 24 is so mounted as to be slideably open in the direction of the latching portion 25, the cover 24 in open position exposing the opening 22 and positioned over the retracted latching portion 25.
The lock 26 is mounted within coin containing unit 8 so that the insert section 27 with the cylinder 27a of the lock 26 is exposed along the side of the coin containing unit 8 which will be juxtaposed to the lock release casing side of housing 7 when the coin containing unit 8 is positioned Within housing 7, wherein the insert section 27 will be in juxtaposed relationship with channel 17.
An internal plate 28 is preferably provided within coin containing unit 8 to serve as both a mounting back plate for lock 26 and to prevent the coins within the coin containing unit 8 from interfering with the lock 26.
The internal configuration of the coin containing unit 8 is preferably funnel shaped so that coins therein will be directed towards opening 22 when the coin containing unit 8 is positioned within the housing 7.
Proper positioning of the coin containing unit 8 within housing 7 may be further insured by the provision of depending declivities 29 along two opposite sides of housing 7 beginning at the top of housing 7 and depending vertically part-way along its length. A rod is affixed to the side 31 of coin containing unit 8 opposite side 23, the rod 30 extending outward beyond the periphery of the coin containing unit 8, the ends of the rod 30 adapted to fit with the declivities 29.
'When the coin counting and sorting machine operator receives the coin containing unit 8 from the vending machine collector, it is locked. The coin containing unit 8 is then placed into housing 7 through opening 9, the ends of rod 30 fitting within declivities 29, the insert portion 27 of the lock 26 juxtaposed with the opening 18 at the end of channel 17, and the opening 22 having the cover 24 thereover juxtaposed over chute 21.
The key portion 12 is positioned within the insert portion 27 of the lock 26 by sliding key portion 12 within the channel 17 by pushing the end of elongated handle 13. Once the key portion 12 is inserted into lock 26, lock 26 is released by turning key portion 12 employing grip 16. The latching portion 25 of lock 26 is retracted. Cover 24 is removed from its position over the opening 22 by inserting a hook (not shown) through cutaway portion 32 in housing 7 which engages a depending flange 33 provided on cover 24 and sliding cover 24 away from its position over the opening 22 to its open position over retracted latching portion 25.
The contents of the coin containing unit 8 empty into the hopper 1 through the chute 2. The coin containing unit 8 cannot be removed from housing 7 until the key portion 12 is removed and as aforementioned, the key portion 12 cannot be removed until latching portion 25 is in extended position, thereby necessitating the replacing of the cover 24 over the opening 22 and locking the coin containing unit 8 before it is removed from the housing 7.
It is therefore readily apparent that the coin counting and sorting machine operator has never had free access to the contents of the coin containing unit 8. The coin containing unit 8 can either be filled by the vending machine collector who has a key to his coin containing unit 8 or the coin containing unit 8 can be locked within the vending machine itself as hereinafter described.
The key portion 12 of the present invention is preferably a master key able to open all coin containing units 8. In such instance, it is therefore highly desirable that the key portion 12 be shielded against any attempts to copy the same such as by taking an impression thereof or otherwise.
As illustrated in FIGS. 58, a slideable cover 34 is provided for the opening 9 on top of the housing 7 which closes off the top of the housing 7 when the key portion 12 extends within housing 7 through opening 18. The lock release causing is elongated so that its top length is slightly greater than the length of opening 9 on housing 7, and provided with a longitudinal slot 35, substantially along the top length thereof. A vertically depending rod 36 is aifixed to and depends from a point substantially near the end of cover 34 and fits with the longitudinal slot 35 extending inward of the lock release casing 10 intersecting the elongated handle 13 of the lock release 11. The depending rod 36 is affixed to the elongated 13 such as by the provision of a loop 37 on the end of the rod 36 which fits between flanged portions 38 provided on the elongated handle 13, the lock release being rotatable within the loop 37.
The elongated handle 13 is of a length sufficient to extend the full length of elongated lock release casing 10 so that the key portion 12 will extend inward of housing 7 when substantially the entire length of the elongated handle 13 is inward of the lock release casing 13.
The cover 34 is slideably mounted on the top of housing 7 such as by the provision of tracks 39 along the edges of the opening 9 on housing 7. The cover 34 is preferably of a length slightly greater than the opening 9 on the housing 7.
When the lock release 11 is substantially internal of lock release casing 10, cover 34 is maintained in closed position over the opening 9 on the housing 7. Upon slideably withdrawing the elongated handle 13 outward of the lock release casing 10, the rod 36 riding within the slot 35 and affixed to the elongated handle 13 forces the cover 34 to ride on tracks 39 from its position over the opening 9 and while the internal portions of the housing 7 are accessible, the key portions 12 is within lock release casing 10 and inaccessible. Further bracing of the cover 34 with relation to the handle 13 may be provided if necessary to prevent flexing of the cover 34 so that access to the housing 7 or the key portion 12 might be obtained by flexing the rod 36, the cover 34 or the handle 13.
By having the cover 34 of a greater length than the opening 9 the cover 34 will completely close off the opening 9 before the key portion 12 is exposed from the lock release casing 10 into housing 7. Additionally, the extended length of the cover 34 insures that the cover 34 will remain within tracks 39 when in extended position.
Upon the rod 36 reaching the end of slot 35 the cover 34 is in open position and the coin containing unit 8 may be inserted within housing 7 and upon insertion of the key portion 12 into the insert section 27 of the lock 26 the contents of the coin containing unit 8 can be fed into the hopper 1 of the coin counting and sorting machine as aforedescribed.
As shown in FIGS. 9ll, the coin containing unit 42 may be provided with a swing-away cover 41.
The housing 46 is shown as being cylindrical having an open top and bottom portions. A transverse slot 43 is provided at a point near the open bottom portion of the housin g 40, the transverse slot 43 extending part-Way along the periphery of the housing 49.
The coin containing unit 42 is slightly smaller than, but of substantially the same configuration of the internal peripheral configuration of the housing 40 and is provided with a swing-away cover 41 pivotally mounted on the coin containing unit 42 such as by the provision of a rivet and bushing or screw configuration 44 mounted through the cover 41 into the lip portion 45 of the coin containing unit 42 or a transverse flange (not shown) can be provided within the coin containing unit 42 for such purpose.
An opening 46 is provided on the cover 41 adapted to receive the latching portion 25 of the lock 26 therethrough when the cover 41 is in closed position over the coin containing unit 42.
A guide stop 47 in the tom of an arcuate flange may be provided part-way along the edge of the coin containing unit 42 adapted to stop the pivotal movement of the cover 41 over the coin containing unit 42.
The coin containing unit 42 is positioned within the housing 40 wherein the cover 41 is aligned by the slot 43. Internal flanges 48 may be provided within the housing 40 adapted to intersect the elongated closed end 78 of the coin containing unit 42, the coin containing unit 42 being suspended thereon.
Once positioned within the housing 40, the latching portion 25 of the lock 26 can be retracted as hereinbefore described and the cover 41 can be swung away through the slot 43 opening the coin containing unit 42 and the contents thereof emptied into the hopper 1. The cover 41 is so mounted by selective positioning of the screw configuration 44, so that the latching portion 25 is extended when the cover 41 is in swing-away position. Such extended latching portion 25 would prevent the cover 41 from being positioned back into the housing 40, the cover 41 extending part-way outward of the housing 40, preventing removal of the coin containing unit 42.
An opening 49 may be provided in the cover 41 enabling a hook (not shown) to be inserted through the slot 43, engage within the opening 49 and allow for the swinging away of the cover 41.
The housing 40 may be provided with a slideable cover over the top thereof in a like manner as described and shown in FIGS. 58 herein.
The coin counting and sorting machine operator has therefore never had free access to the contents of the coin containing unit, thereby eliminating the handling of the coins by such operator. The security system of the present invention is similarly readily adaptable to use within the vending machine itself, thereby eliminating the necessity of the coins being handled by the vending machine collectors.
As shown in FIGS. 1214, a coin containing unit 50 having a lock 51 and slideable cover 52 which is maintained in fixed position over an opening 53 provided in the coin containing unit 51) by the latching portion 54 of the lock 51 is provided as more particularly described with respect to FIGS. 1-6 herein.
The coin containing unit 50 is removably mounted beneath the coin chute 55 of a vending machine 56 on an elevator platform 57.
The elevator platform 57 is mounted between the opposite sides of the lock release sleeve 58 and rides within vertical channels 59 provided on the sides 60, the elevator platform 57 having extending fingers 61 adapted to fit within the vertical channels 59.
Transverse channels 64 intersect the vertical channels 59 at right angles at both the top and bottom of the vertical channels 59.
The elevator platform 57 is impelled upward within the sleeve 58 by spring means 62 mounted beneath elevator platform 57. The spring means 62 is affixed to the vending machine itself so as to prevent removal of the entire security device of the present invention. Side flanges 63 may be provided extending upward on the elevator platform 57 to inhibit any lateral movement of the coin containing unit so.
A cut-away area 65 is provided on the interconnecting side 66 of the sleeve 58, the cut-away area 65 beginning at a point in horizontal relationship to the lowered position level of the elevator platform level of the elevator platform and is of a configuration adapted to admit the coin containing unit 50 therethrough to be mounted on the platform 57.
The platform 57 is positioned within the sleeve 58 spaced apart from the interconnecting side 66 of the sleeve 58 so as to allow the sleeve 58 to be horizontally slideable within transverse channels 64.
The lock release casing 67 is mounted on or integral to the sleeve 58 and is positioned on the sleeve 58 so as to be positioned juxtaposed to the insert portion 68 in the cylinder 67 of the lock 51 when the coin containing unit 50 is in elevated position of the platform 57.
The lock release casing 67 is constructed in a manner hereinbefore described and includes therein the slideably mounted lock release 70 having a key portion '72, the elongated handle 71 and the grip means 73, the key portion 72 being extendahle outward beyond the inward end of the lock release casing 67 internal of the sleeve 58 to fit within the insert portion 68 of the lock 51 and rotatable.
A slot 74 is provided on the sleeve 53 above the lock release casing 67 positioned so as to be in horizontal relationship with the slideable cover 52 on the coin containing unit 50 when the coin containing unit 50 is in elevated position on the platform 57.
In operation, the platform 57 is placed in its lowered position by exerting a downward force on the fingers 61. Upon the fingers 61 reaching the base of the vertical channels 59 the sleeve 58 may be moved outward away from the platform 57 so that the fingers 61 engage within the lower transverse channels 64 locking the platform 57 against upward actuation by spring 62.
The coin containing unit 50 is inserted through cut-away area 65 onto the platform 57, the sleeve 58 is moved inward so that the fingers 61 are within the vertical channels 59 and the platform 57 with the coin containing unit 50 thereon is impelled upward.
The key portion 72 of the lock release 70 is moved outward of the lock release casing 67 by pushing the grip 73 on the end of the elongated handle 71, the key portion 72 engaging within the insert portion 68 of the lock 51. Upon rotation of the lock release 70 employing the grip 73 therefore, the latching portion 54 of the lock 51 is retracted.
The slideable cover 52 is then moved from its portion above the opening 50 such as by use of a nook (not shown) positioned thhough the slot 74 of the sleeve 58, engaging the upward flange 75 provided on the cover 52.
The opening 53 is thereby exposed and positioned beneath the coin chute 55 of the vending machine 56 whereby the coin containing unit 50 functions as the repository for coins inserted into the vending machine.
The sleeve 58, with the key portion 72 still engaged may be moved slightly outward from the platform 57, the fingers 61 riding within the upper transverse channels 64, the engagement of the fingers 61 within the transverse channels 64 preventing the platform 57 from being lowered by the additional weight of the coins inserted therein.
The fixed engagement of the key portion 72 within the lock 51 when the latching portion 54 is in retracted position further prevents the lowering of the platform 57 when the coin containing unit 50 is in open position.
Since the lock release 70 will remain in engaged position when the latching portion 54 is in retracted position, the coin containing unit cannot be lowered and removed until the cover 52 is repositioned over the opening 53 and the coin containing unit 50 locked by latching portion 54 being actuated to its extended position. As aforementioned, the latching portion 54 cannot be actuated into its extended position until the cover 52 is moved away from its open position.
In order to prevent any attempt at duplication of the key portion '72 such as by taking a wax impression thereof or otherwise, either when the platform 57 is lowered and the coin containing unit 50 is removed wherein the key portion 72 may be extended outward of the casing 67 or when the sleeve 58 is moved away from the platform 57, the key portion 72 may be provided with a shield 76, as shown in FIGS. 13 and 14, positioned about the key portion 72, the shield 76 adapted to fit about the cylinder 69 of the lock 51 such as by the provision of an insert portion 77 about the cylinder 69 adapted to receive the shield 76 when the key portion 72 is engaged,
8 or, as shown in FIG. 14, by having the cylinder 69 extend outward of the lock 51 so that the shield 76 may fit thereover.
The shield 76 as shown in FIG. 14 may be used in conjunction with the embodiments of the present invention as shown in FIGS. 1ll in conjunction with a coin counting machine. The key 72 may be an individual key for each machine. The key portion 12 is preferably a master key and as such is more important to protect.
Once the coin containing unit 50 is locked, it can be removed from the vending machine by a collector delivered to the coin counting and sorting machine operator and sorted and counted with neither the collector nor the operator ever having had access to the contents of the coin containing unit 50.
It is readily apparent that many of the steps described herein as being performed manually such as the opening and closing of the cover 52 and the positioning of the cover 34 for the housing 7 can be performed by more sophisticated electrical or electro-mechanical devices such as by electric eyes,
The terms and expressions which are employed are used as terms of description; it is recognized, though, that various modifications are possible within the scope of the invention claimed.
Having thus described certain forms of the invention in some detail, what is claimed is:
1. A coin security device for coins comprising a coin container including an opening for the intake and outgo of coins; a cover, said cover unremovably mounted on said coin container but moveable over said opening and away from said opening; locking means on said container, said locking means in locked position adapted to maintain said cover in fixed position over said opening, said cover in open position overlying said locking means, said coin container adapted to be mounted within a shielded enclosure and lock releasing means, said lock releasing means enclosed and carried on said shielded enclosure, said lock releasing means actuatable externally of said shielded enclosure and adapted to engage said locking means internal of said shielded enclosure and release said locking means, said lock releasing means maintaining said coin container within said shielded enclosure and disengageable from said locking means only when said lock is in locked position, said shielded enclosure having an access opening therein, said cover being in juxtaposition to said access opening when said locking means is engaged, said cover adapted to be actuated to open position internal of said shielded enclosure through said access opening and said coin containing unit being irreniovable from said shielded enclosure when said lock is in released position.
2. The invention of claim 1 wherein said locking means includes a latching portion, said latching portion in extended position maintaining said cover in fixed position over said opening, said latching portion in retracted position internal of said coin containing unit when said lock is released.
3. The invention of claim 1 wherein said cover is mounted on said coin containing unit on tracks, said cover movable away from said opening on said tracks, and stop means at the ends of said tracks.
4. The invention of claim 1 wherein the internal configuration of said coin container is funnel shaped, the apex of said funnel at said opening.
5. The invention of claim 1 wherein said shielded enclosure further includes means to maintain said coin containing unit in preselected position therein.
6. The invention of claim 1 wherein said shielded enclosure includes an opening at its top adapted to admit said coin containing unit.
7. The invention of claim 1 wherein said shielded en- 9 closure further includes declivities along at least two of its sides and said coin containing unit further includes rod means adapted to fit within said declivities to maintain said coin containing unit in fixed position within said shielded enclosure.
8. The invention of claim 1 wherein said lock releasing means includes a key and an elongated handle on said key, said elongated handle extending outward of said lock releasing means enclosure, said key and elongated handle slideable and rotatable Within said lock releasing means enclosure.
9. The invention of claim 1 wherein said shielded enclosure is mounted over the hopper of a coin counting machine.
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|U.S. Classification||232/1.00R, 232/15|