US1814009A - Cash register - Google Patents

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US1814009A
US1814009A US1814009DA US1814009A US 1814009 A US1814009 A US 1814009A US 1814009D A US1814009D A US 1814009DA US 1814009 A US1814009 A US 1814009A
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July 14, 1931. v I B. M. SHIPLEY 1,314,009
CASH REGIS TER Filed Sept. 20, 1928 4 Sheets-Sheet 1 3n um: 1'01 Berni: M. Shipley Hi G from x v we July 14, 1931. B, M HW Y 1,814,009
CASH REGISTER Filed Sept. 20, 1928 4 Sheets-Sheet 2 3 111112114 0*; Berni; M. Shipley By WM His attoz we I20 133 10.2 4 107 H H3 B. M. SHIPLEY July 14, 1931.
CASH REGiSTER Filed Sept.
20, 1928 4 Sheets-Sheet 3 gmuml-foz Berni: M. Shipley Jul 14, 1931.
B. M. SHIPLEY CASH REGISTER Filed Sept. 20, 1928 4 Sheets-Sheet 4 Berni; M. Shipley Patented July 14, 1931 UNITED STATES PATENT OFFICE BEBNIS M. SHIPLEY, OF DAYTON, OHIO, ASSIGNOR TO THE NATIONAL CASH REGISTER COMPANY, OF DAYTON, OHIO, A CORPORATION OF MARYLAND CASH REGISTER Application filed. September 20, 1928. Serial No. 307,180.
This invention relates to cash registers and like machines, and more particularly to controlling mechanism for the money receptacles or cash drawers which may be associated therewith.
The invention is shown applied to a machine of the type illustrated and described in application for Letters Patent of the United States, Serial No. 687,305, filed January 14, 192%, by Bernis M. Shipley.
One object of the present invention is to provide novel means for rendering accessible one of a plurality of normally inaccessible money receptacles or cash drawers on certain operations of the machine, and inaccessible on other operations of the machine.
Another object is to provide a plurality of means to control the release mechanism which permits access to the money receptacles or cash drawers.
With these and incidental objects in View, the invention includes certain novel features of construction and combinations of parts, the essential elements of which are set forth in appended claims and a preferred form or embodiment of which is hereinafter described with reference to the drawings which accompany and form a part of this speci fication.
In said drawings:
Fig. 1 is a vertical sectional view showing a bank of clerks keys, and the differential mechanism associated therewith.
Fig. 2 is a detail View of the cam and pitman for driving the drawer release mechanism.
Fig. 3 is a fragmentary view in rear elevation of the drawer selecting and releasing mechanism.
- the drawer selecting, drawer releasing, and
release-controlling mechanisms.
Fig. 7 is a view of a part of the mechanism.
for controlling the release of the selected drawer by movement of the total control lever.
Fig. 8 is a detail side view of the drawer release coupling shifted to its eflective position by the adjustment of the total control lever.
Fig. 9 is a detail view of the machine control mechanism and the crank for manually operating the machine.
Fig. 10 is a detail plan View of the drawerreleasing fingers.
Fig. 11 is a detail view of the total control lever and a part of the mechanism controlled thereby.
General description The machine to which, for convenience, the present invention is applied, as disclosed in the above-mentioned Shipley application for Letters Patent, includes, in general, a plurality of banks of numeral keys, depression of any of which sets up the amount to be registered by the machine. The machine also includes indicating mechanism for indicating to the customer the amounts registered and the total thereof, a plurality of selective totalizers upon which are accumulated the amounts set up on the keyboard, and printing mechanism to print items and totals on an issuing receipt and on a record strip retained in the machine.
customarily, a bank containing a plurality of clerks keys is provided to enable the clerk who is operating the machine to select the proper totalizer and cash drawer to be operated, and to control the release of the proper cash drawer, of which, three are provided for illustration.
A total control lever conditions the machine to take totals and sub-totals. This lever also controls the release of the selected cash drawer.
The machine is adapted for both singleitem and multiple-item transactions. A single-item transaction includes the sale of but one article, the value thereof when entered in the machine, constituting the entire transaction. In a multiple-item transaction, a plurality of articles are sold and the value of each item is successively entered in the machine. After the last item has been en tered, the total thereof is taken.
lVhen entering single-item transactions, it is desirable that the normally inaccessible cash drawers be rendered accessible upon the operation of the machine to' enterthe single item. However, on multiple-item "transactions, when registering the individual items, it is better to retain the cash drawers in their inaccessible positions until all'of the items have been registered.
The entry of a single-item transaction necessitates merely the depression of the identifying clerks key, the 'numeral keys representing the value of the single item purchased, and the operation of the machine to enter such item.
On the other'ha'nd, in handling a multipleitem "transaction, it is desirable that the drawers remain closed while :the sever'al items are entered, and not released un-til 't'he -ttal-ta'king operation.
Obviously, some way 'must be contrived which will enable the-machineto distinguish "these two Classes of tra'nsa'ctioi is, so that the proper clerks drawer :will be 'released for use during single item transactions, with the registrationof s'uehitems,but will not be released during the entry o f multip-leitem transactions.
Also, it willbe necessary to select and 'relea'sethe proper cash drawer upon taking the total in registering a multiple-item transaction, to enable the clerk to deposit l the purchase moneyeand, 1 if necessary, make change.
"a total operation is -made. I To attam'these ends, the-following means embodying one formofthe invention, has been provided.
@nly so-much of the mechanism old in the 'artas is thought necessary for a full and complete understanding of the present inherein as L a unit.
vention, is shown and-described-herein and referencemay be had to the Shipley application heretofore referred to, for a further understanding of the machine to which this invention is applied.-
Keg lb oard being well known inthe-art, is not shown Such a keyboard customarily includ'esa plurality of banks or rows of amount keys,'a bank oftransacti'on keys, anda release bar, none of which are illusand 41.
:the keyboard isa bank orrow'otclerks keys divided into two groups. Thekeys 40 (Fig.1), constituting the upper group, are the multiple-item keys, one of which is as signed to an individual clerk, for instance,
and the keys 41 forming the lower group,
are the single-item keys, one of which is likewise assigned to each clerk. A total lever 42 (-Fig.=1l) to condition the machine for total and sub-total taking operations is alsoijnclude'd in thetpresent keyboard. In
. operating the machine, the clerk making the sale will depress his particular key40-or 41 to identify himself. I
the present machine, select the particular totalizer into which the amounts set up on the numeral keys of the keyboard-are tobe added. These clerks keys also "sele'ct'the cash drawers to be'operated, and setmec'hanism to effect the release of thesele'c'ted cash drawer. For illustration only, the drawings show three keys'in each grou 40 and 4:1,itbeing'obviousthat a greateror lesser number could be used without departing from the spirit and s'co'peof the invention. For convenience, the upper key of.
both series 40'and 41 maybe designated as the A key, the intermediate key in each series as the B key, and the lowermost keyin each series as'the D key.
The clerks -keys 40 and 41 are 'slidably mounted in a'frame 43 supported on crossrods 44E -and 45, the ends of which rest in the side frames of the machine, only one'of which, 46 (Fig. 1), is illustrated herein.
The keys 40 cooperate with a detent bar 47 and a release bar 18. Arms 49 and 50-piV- otally support the detent bar 47 at 'itsopposite ends, which arms, in turn, are f ivotally mounted on thekey frame 13. he release bar 48 is also pivotally supported by "two arms "(not shown) similarfto the arms "49 and 50. The-detent-bar 47 is well known in the art and serves to hold thekeys adapted to engage studs 52 onthe keys 40 The release bar 48 (Fig. "1) "also well known, is 'for'the purpose-of controlling the interlocking-and releasing meehani'srn, n0ne 'of "which is shown herein; therefore, no
further description of this rreed be given.
The clerks keys 4.0 and "21:1 ="are :l' nown in the art as" flexible keysfthat is, depression l i of any of the keys releases a previously depressed key. These keys are not otherwise released, and hence a depressed key will continue to remain in its depressed position until released by the depression of another key.
UZcr/cs dz'fl'ercntial mechanism A differential mechanism is associated with the row or bank of clerks keys 40 and 41. his differential mechanism, under control of the clerks keys, selects the proper totalizer (not shown) and the proper cash drawer to co-ordinate therewith. The differential also positions indicators and printing elements (not shown) corresponding with the particular clerks key l0 or 41 depressed.
In the form herein illustrated, the differential mechanism includes a differentially movable arm 56 pivoted on a stud 57 extending between sub-frames 58 and a companion subframe, not shown. These subframes are supported on rods 59 and 60, mounted in the side frames of the machine. A latch 62 supported on the arm 56 by a link 63 and a bell crank 65%, connects the differentially movable arm 56 with the usual segment 61 having an invariable rocking movement. A spring 65 holds the foot of the latch 62 in engagement with a shoulder on the segment 61. Cam disks 66 pinned to the main drive shaft 67 of the machine, rock a drive lever 68 pivotally mounted on the sub-frame 58 and connected at its upper end by a link 69 to the segment 61. The shaft 67 and cams 66 receive one complete clockwise rotation on each operation of the,
machine, to rock the drive lever 68. The lever 68 and link 69 transmit this movement to the segment 61, which, therefore, makes one regular excursion first clockwise and then back to normal on each operation of the machine.
011 its clockwise movement, the segment 61 carries the differential arm with it due to the engagement of the latch 62 with the shoulder on the segment, until the forward end of the bell crank 6st strikes the inner end of the depressed key 40 or 11, whereupon the bell crank rocks counterclockwise, and disconnects the latch 62 from the segment 61. As the latch 62 is disconnected from the segment, the forward end 70 thereof enters one of a plurality of notches 71, formed in the inner edge of an arcuate bar 72 secured at its upper end to the sub-frame 58, and at its lower end to the rod 60. After the differential arm 56 is disconnected from the segment 61, the latter continues its excursion, the foot of the latch 62 riding on the outer periphery of the segment 61 to hold the forward end of the latch engaged with its notch and thus maintain the differential arm 56 locked in its adjusted position.
On its return movement, the outer periphcry of the segment 61 continues to hold the latch 62 effective to lock the differential arm 56 where adjusted, until the shoulder between the outer and the reduced peripheral sections of the segment passes the foot of the latch 62, whereupon the spring 65 withdraws the nose 70 of the latch from the notched bar 72, and substantially simultaneously therewith, a face formed on the segment 61 contacts a stud 73 on the differential arm 56 to restore the arm to its normal or home position.
To select the particular indicator, the proper totalizer, and the cash drawer associated with the particular clerks key which has been depressed, and to set up the printing mechanism, a beam 74. is pivoted at its left-hand end (Fig. 1) to the differential arm 56, the right-hand end of the beam 74 being slotted to straddle a stud 7 5 011 a link 76 pivoted at its upper end to a segment 77 pinned to a shaft 78. At its lower end, the link 76 is connected to an arm 79 pinned to another shaft 80. The shafts 78 and 80 are supported in the side frames of the machine.
Th arm 56 differentially posit-ions thQ .1-
pivoted end of the beam 7 1 under control of the keys 40 and 41. A roller 81 on the drive lever 68 contacts the lower side of the beam 74 to cooperate in the adjustment thereof. As the beam 74.- is adjusted in correspondence with the depressed clerks key, as just described, the link 76, segment 77, shaft 78, and arm 79 are likewise difi erentially adjusted.
The usual indicator (not shown) is con-- nected with the differentially adjusted segment 77 to which the upper end of the link 76 is connected, and the customary typewheel (also not shown) is connected with the differentially adjusted arm 79 at the lower end of the link 76.
An aligner 86 mounted on a plurality of arms 87 pinned to a shaft 88 co-operates with teeth formed on the segment 77 to align this segment in its adjusted position, 1
as well as the arm 79 and its connected mechanism.
Gash drawers As shown in Figure 3, the machine is provided with a cash drawer for each clerk,
lit)
under control'ofthe A'key in the 'multiple-item group 40, and also by the A key in'thesingle-item group 41. The intermediate drawer is selected by the B key in the multiple-item group; also by the B 'key in the single-item group. The-lower drawer isselected by the D key in the 'venti'on is an improvement, and for this reason, only the selectlng and releasing niechamsm therefor is shown herein.
The drawers 101 are normally held in their closed or inaccessible positions by means of individual spring-actuated latches 102 1 (Fig. 4) pivoted to brackets'103 secured to the rear end walls of the respective drawers. I
The latch 102 for each drawer engages behinda plate 104secured to a cross bar -105 located behind each drawer and ex- 'tendingbetween the side walls of'the drawer cabinet. Vertical-corner posts 106 and 107 (Fig.3), the lower ends of which rest on the basev 108 of the drawer cabinet and the upper ends of whiclrare secured to the top 109 of the drawer cabinet, support the opposite ends of the cross bars Springs 110 mounted on and projecting forwardly from seats formed near the opposite ends of each cross-bar 105, are compressed between the rear of each drawer and the cross-bar 105 for that drawer. W'hen the'appropriate latch 102 is released, as will be hereinafter explained, the springs 110 suddenly expand and propel the drawer 101 outwardly to its'accessible position.
release lever 116, (Fig. 3), is pivoted on the rear face of the respective cross-bar 105 for each of thecash drawers to one side of the latch 102, so that one arm of the release lever extends over the outer end of its latch. A stud 117 mounted in the cross bar 105 and projecting through an enlarged opening in the lever 116 limits its rocking movement.
The drawer to be released is selected by means of-a verticalshaft 118, which is differentially rotated under control of the clerkskeys 40 and 41. The lower end of the selectingshaft 118 is seated in'a step bearing 115 (Fig. 3) on the base 108 of'the drawer cabinet, the shaft extending upwardly behind the several cross bars 105,
' and through the base 96 of the machine, in
which it is journ'aled. Collars 119, 120 and 121 fast on the selecting shaft 1=18*each "carrya'pa'ir of o'ppositely extending arms 130 131, 132-133-and 184 135, the pairs of arms being spirally offset relatively to each other, about the shaft 118, one "pair Drawer selecting mechanism It will be recalled that the arm 79 (Fig. 1) pivoted to the lower end of the link 76 is differentially adjusted by said link, toposition the type wheel (not shown) associated with the clerks bank or row of keys 40, '41.
This arm 79 conveniently lends itself for use in differentially positioning the vertically-extending shaft 118, with its pairs of latch-tripping arms. To this end, a toothed segment 89 ig. 1) .journaled on the front cross shaft 80 is fastened to the arm 79, and meshes with a rack 90vsecured to a slide 91 near its forward end. The slide 91 is guided on the screw studs 92 and 93 mounted on upstanding brackets 94 and 95, respectively, secured to the base 96 of the machine. A rack 97 securednear the rear end of the slide 91, meshes with a se ment gear 98 pinned to a rear cross sha t 99. The rear cross shaft 99 is journaled in the bracket 94; in a bracket 100, 3), and in the left side frame of themachine.
It can be seen from Fig. 1, that when the link 76 is moved downwardly by the differential mechanism, under control of the clerks keys 40 and 41, it will rock thearm 79 and toothed segment 89 clockwise about the front cross shaft 80. This movement of the segment 89 shifts the slide 91 forwardly" or to the left, in Fig. 1. The rack 97 on the rear end of the slide 91 rocks the gear 98, and the rear cross shaft 99 counter-clockwise to a position corresponding with the particular clerks key 40 or 41'which has been'depressed.
A spiral gear 122 (Figs. 3 and 6) pinned to the cross shaft 99 meshes with a spiral pinion 123 fast on a short vertical shaft 124 journaled in the arms of a forkedbracket 125 supported on the base 96 of the machine. A wide gear 126, secured to the lower end of the shaft 124, meshes with a pinion 127 fast on the lower end of avertieal sleeve 128 pinned to the upper end of the selectingshaft 118, which protrudes above the base 96 of the machine.
The differential adjustment of the rear cross shaft 99, as above described, willbe communicated through the train of gearing just described, tothe vertical selecting shaft 118, and position this shaft and the spirally arranged latch-tripping arms thereon in accordance with the particular clerks key depressed.
The gear 126 is made sufficiently wide so that the pinion 127 will remain in mesh therewith when the selecting shaft 118 is axially shifted by mechanism hereinafter described, to release the selected cash drawer.
If the A key in the multiple-item group of clerks keys 40 is depressed and the machine operated, the selecting shaft 118 will be turned nine steps in a counter-clockwise direction, viewed in Fig. 10, to bring the tripping arm 134 on the collar 121 into eooperative relation with the release lever 116 for the A drawer, that is, beneath the lefthand arm (in Fig. of its associated release lever.
If the A key in the single-item group of clerks keys 41 is depressed, the shaft 118, upon operation of the machine, will be turned three steps, thereby bringing the tripping arm 135 on the collar 121 into cooperative relation with the release lever 116 for the A drawer.
Thus, when either of the A :eys 40 or 41 is depressed, and the machine operated, the upper or A cash drawer will be selected for release.
Similarly drawers B or D are selected for release by depressing either of keys 233 or D respectively, in groups 40 and Normally, a torsion spring 114 (Fig. 3) coiled loosely about the selecting shaft 118, with one end connected to the collar 120 on the shaft, and the opposite end connected to a stationary intermediate guide bearing 113 for the shaft, maintains a constant and slight pressure on the shaft to take up any back-lash or looseness due to the trains of gearing, and thus insure the proper positioning of the tripping arms relatively to the latch-releasing levers.
Drawer release mechanism After the selected finger has been positioned under one arm of the release lever 116, the selecting shaft 118 is raised. This rocks the selected release lever 116 clockwise about its pivot on the cross-bar 105, and disengages the latch 102 from the keeper plate 104, to permit the propelling springs 110 for the selected drawer to expand and drive the drawer outwardly to render its contents accessible. I
The mechanism for raising or axially shifting the shaft 118 will now be described.
A drive gear 149 (Fig. 2) fast on the drive shaft 67 has a cam groove 148 formed in the side thereof. The gear 149 rotates once clockwise at each operation of the machine. One end of a pitman 151 forked to embrace the shaft 67 for support, carries a stud 150 entered in the cam groove 148, the opposite end of the pitman 151 (Figs. 2, 6 and 7) also carrying a laterally projecting stud 152, removably seated in a recess formed in one arm 153 of a rocking yoke 154. The arms 153 and 155 of the yoke are journaled on 7 the rear cross shaft 99.
When the machine is at rest, the cam 148 holds the yoke 154 at the lower or clockwise limit of its travel, (Fig. 7), but at a point about midway of the cycle of rotation of the drive shaft 67, and after the differential mechanism has operated, the cam, through pitman 151, rocks the yoke 154 and its arms and 155 counter-clockwise from the position shown in Fig. 7, to its upper limit of travel where the yoke remains for a short interval, due to a dwell in the cam, after which the cam rocks the yoke 154 in clockwise direction back to normal position.
A lug 159 (Figs. 3, and 6 to 8) projecting laterally from the outer side of the arm 155 of the yoke 154, partakes of such rocking movement.
The depending arm 158 of a bell crank 156 pivoted on a pin 157 projecting laterally from one arm 144 of a shifting lever 145 journaled on the rear cross shaft 99, normally lies in the path of the lug 159 project'- ing from the yoke arm 155. The shifting lever 145 and the lifting yoke 154 are concentrically pivoted, so that normally the path of travel of the lug 159 is concentric with the path of rotation of the shifting lever 145 and its pin 157, the lug being spaced apart radially from the pin a sufficient distance so that the depending arm 158 of the bell crank normally lies in line with the advancing lug. Therefore, the arm 155 on the counter-clockwise movement im-i parted thereto by the pitman 151, will force the lug 159 against the end of the depending arm 158 of the. bell crank 156 to rock the latter counter-cloclnvise, and since the bell crank 156 is pivoted on the arm 144, this arm, together with the shifting lever 145 and another arm 143 thereon, will rock counter-clockwise, as viewed in Fig. 5.
Studs 141 and 142 project inwardly from the arms 148 and 144 of the shifting lever 145, to enter an annular groove formed in the collar 140 fast with the sleeve 128 of the pinion 127 secured to the vertical selecting shaft 118, and as the shifting lever rocks upwardly under the influence of the lifting yoke 154, it lifts the sleeve 128 and the vertical selecting shaft 118, with its spirally arranged radially extending arms 130, 135, The selecting shaft 118, as it rises, causes the selected arm 130, 185 which lies beneath the free arm of the corresponding release lever 116, to rock the release lever and press the remaining arm thereof against the latch 102 of the associated drawer to disengage the latch from the drawer 101 and enable the appropriate springs 110 to propel the drawer to its accessible position.
A spring 146 (Fig. 5), one end of which is secured to an arm 147 projecting from the body 145 of the shifting lever, tends to restore the shifting lever and lower the se- *123, stub shaft 124, and gears 126, 127, to
turn the selecting shaft 118 with its spirally arranged, radially extending arms 130, 135 one step, thereby positioning the finger 131 onthe release arm 119 for the D drawer,
beneath one arm of the lever 116 for that drawer. Thereafter, as the selecting shaft 118 rises through the operation of the shifting. lever 145, the finger 131 rocks the release n lever 116; clockwise about its pivot to disengage the, drawer locking latch 102 from its keeper 104, thereby releasing the drawer, whereupon the springs 110 propel the drawer to its accessible position.
Control of the drawer release on entering single a-ml multiple items When any of the clerks keys 40 of the multiple-item group are depressed, a plurality ofitems are to be entered into the machine,
each requiring one adding operation of the machine. When entering the items of a niultiple-item transaction, it is desired that the clerk shall not have access to the selected cashdrawer until that operation on which the totalis taken of the items successively enteredcomprising a complete transaction. However, when any of the clerks keys 41 of the single-item group of keys is depressed,
.only one item is to be entered to complete the transaction, and it is, therefore, desired that the cash. drawer be made accessible.
echanism for variously controlling the release of the cash drawer under the variable operating conditions above mentioned will now be described.
It will be remembered that power from thedrive shaft 67 is transmitted to the shifting lever to lift the selecting shaft 118,
.. through the contact of the lug 159 on the lifting yoke 154 with one arm of a bell crank 156 pivotally connected with the shifting lever This bell crank serves as a releasable coupling between the driving'yoke and the lifting lever.
Obviously, should the bell crank 156 be displaced, the lug 159 will be unable to opcrate the shifting lever 145 and hence, although the clerks key control of the differ entialjmechanism will effect the selection of the particular, cash drawer appropriate to the particular clerks key depressed, by the differential positioning of the selecting shaft 118, the latter will not be raised to effect the release ofsuch drawer.
Therefore, if means under control ofeither, group 40 to 41 of the clerks keys, is provided to control the position of the coupling bellcrank between the lifting yoke 154 and the shifting lever 145, the effectiveness or inef-v fectiveness of the drawer-release mechanism will be determined by the selection of a key in group 40 or group 41.
-To this end, a mutilated control disk or cam 167 (Figs. 3 and 6) is fast to the differentially adjustable rear cross shaft 99 adjacent the remaining arm 166 of the bell crank coupling 156, a spring 165 enforcing contact of the free end of such remaining arm 166 with the periphery of the control cam or disk 167.
Depression of any of the single-item clerks keys 41, by controlling the differential rotation of the rear cross shaft 9911111116 manner heretofore explained, will also control the differential adjustment of the mutilated cam disk 167 relatively to the feeler arm 166 of the coupling 156, to always position the high or unmutilated portion ofthe cam in the path of the feeler 166, whereby, as shown in Fig. 6, to hold thearm 158 of the coupling in the path of travel of the lug 159, against the tension of the spring 165. 6
Therefore, on single-item operations of the machine, the appropriate cash drawer will be opened.
The cam disk 167 is so positioned on the rear cross shaft 99, that depression of any of the multiple-item clerks keys 40 (corresponding to the amount keys of higher value) will effect the adjustment of the rear cross shaft 99 and cam disk 167 to position the mutilated or low portion of the periphery of the cam beneath the nose of the feeler 166, whereupon the spring 165 rocks the bell crank 156 counter-clockwise (Figs. 6 and '7) to displace the arm 158 thereof from the path of the lug 159, and render thedriving mechanism 67 ineffective to open the selected cash drawer.
Total lever control of drawer release mechanism 9 On multiple-item operations, the clerk.
will depress the appropriate multiple-item key 40before entering the first item of the multiple-item transaction, and said key will remain depressed until all the items of the transaction are entered, whereupon the clerk tion for Letters Patent of the United States,
above referred to. This total lever is pertinent to the present invention only in that it controls the drawer release mechanism ontotal taking operations. The manner in which this is accomplished will now be described.
The total lever 42 (Fig. 11) is conveniently formed integral with a plate 172 pivoted on a suitably supported stud 17 3. A pin 174 carried by a lever 175 pivoted at 176 projects through a slot 177 formed in the total plate 172. One arm 178 of the lever 175 is irregularly recessed, as at 179, to coact with the complementary recess formed in an arm 181, also pivoted at 176, to constitute a cam slot. The arms 17 8 and 181 are yieldingly held together in position similar to a sister-hook by a spring 182, a stud 180 on the arm 181 contacting the end of the arm 178 of the lever 175 to limit the spring-actuated travel of the parts. A crank 184 pinned to a shaft supported in the side frame of the machine, carries a stud 183 projecting into the flexible cam slot formed between the arms 17 8 and 181.
Adjustment of the total control lever 42 in either direction from the position shown in Fig. 11, rocks the lever 175 and arm 181 counter-clockwise, which, due to the flexible cam slot, rocks the crank 184 and shaft 185 slightly clockwise. An arm 186 (Fig. 7) pinned to the shaft 185 near its left-hand end, is connected by a link 187 to one arm of a bell crank 188 pivoted on a shaft 189. A link connects the remaining arm of the bell crank 188 with one arm 196 of a bail 197 (Figs. 6 and 7) journaled on the rear cross shaft 99, the other arm 169 of which bail constitutes a cam to control the drawer release mechanism.
The cam 169 (Figs. 3, 6 and 7), having a lobe 170 and a depressed area 171 thereon, is journaled on the rear cross shaft 99 ad.- jacent the control cam disc 167. The nose of the feeler arm 166 of the coupling is sufficiently broad to contact with both the control cam disc 167 and the cam 169. The low part 171 of the cam 169 normally lies beneath the nose of the feeler arm 166, but as long as the unmutilated part of the control cam disk 167 is positioned beneath the nose of the feeler arm 166, the total cam 169 is ineffective to control the coupling 156.
Upon the depression of a multiple-item clerks key 40, however, followed by the operation of the machine, the shaft 99 and the control cam disk 167 are adjusted to locate the mutilated portion 168 of the control cam beneath the nose of the double width feeler arm 166, whereupon the spring 165 snaps the nose down into the mutilated portion (the total cam 169 offering no opposition thereto) to displace the arm 158 of the coupling from the path of the drive lug 159, to thus disable the shifting lever 145 which remains idle, so long as the machine is op erated with a multiple-item clerks key depressed. The cam 169 controls the bell crank coupling 156 in a manner similar to that in which the control cam disc 167 controls the coupling, that is, when the lobe 17 0 of the cam 169 lies under the feeler arm 166 of the coupling 156, the coupling arm 158 is held in the path of the drive lug 159, to effect the release of the drawer selected to be opened upon operation of the machine.
To enable the selected drawer to be opened when taking a total after registering a multiple-item transaction, the total control lever 42 (Fig. 10) when shifted in either direction from the position shown, which is the add position, rocks the cam 169 in clockwise direction.
The initial clockwise movement of the shaft 185 (Figs. 6, 7, 9 and 11) imparted thereto by the adjustment of the total control lever 42 (Fig. 11) in either direction from its normal add position, rocks the yoke arm 196, yoke 197 and total cam 169 slightly clockwise, which movement, 110wever, is not sufficient to bring the lobe 170 of the cam 169 into co-operative relation with the nose of the feeler arm 166, but positions the cam so that only a slight additional advance is required to cause the cam to rock the feeler arm 166 and therethrough rock the coupling arm 158 to position the latter in the path of the drive lug 159, and complete the drive train between the drive shaft 67 and the shifting lever 145.
Machines of the type to which this invention is applied are given two cycles of operation on a total taking operation instead of one cycle, as on an adding operation. The two-cycle operation affords a sufiicient length of time within which to adjust the parts effective in taking a total.
Near the end of the first cycle of a total taking operation, mechanism disclosed in U. S. Patents to Fuller, No. 1,242,17 0, October 9, 1917, and No. 1,619,796, March 1,
1927, is utilized to give the shaft 185 (Figs.
7 9 and 11) an additional clockwise movement, as follows:
An arm 198 (Fig. 9) pinned to the shaft 185 near its right-hand end, is connected by a link 199 to one end of a lever 200 pivoted on a stud 201 projecting from the right side frame of the machine. The opposite end of the lever 200 is connected to a pitman 202 slotted to embrace a supporting stud 203 projecting from the right side frame (not 1".
shown) of the machine.
A stud 204 on the inner face of the pitman 202 projects into a cam groove 205 out in the side of a disk 206, journaled on the stud 203. The stud 204 normally occupies 1:"
a seat formed in the disk 206 and communicating with the groove 205.
The disk 206 does not rotate on adding operations, but the preliminary rocking movement imparted to the shaft 185 by the &
total control key 42 when shifted out oflits normal add position to condition the machine fora total or sub-total taking, operates to-connect the cam'206 to a gear 207- also journaled on the screw stud 203. in such a manner that the cam and gear will rotate in unison.
A slide 209 (dotted ,lines, Fig, 9) slotted to embrace the stud 203, is mounted in a way 214- formed' diametrically. across the inner face of the. cam 206, and carries at its projecting end, a laterally turnedcar 208 which projects between two pins 210 in the pitman 202. The total control lever-42, when shifted out of its add position, rocks the shaft 185 slightly clockwise, and through the arm 198, link 199 and lever 200, slides the pitman 202 to the left (Fig. 9 The pitman, in turn, moves the left end of the slide 209 intoa notch 213 in the gear 207, thereby connecting the gear 207 with the cam 206.
The pitman 202 in shifting to the left,
also removes the stud 204 from its seat and into co-operative relation with the cam groove-205. The gear 207 meshes with the.
gear 211 pinned-to the main drive shaft 67 and receives one-half of one counter-clockwise rotation on each adding operation, and one complete counter-clockwise rotation on total and sub-total taking operations.
The configuration of the cam groove 205 is such that, near the end ,of the first cycle of a total taking operation, the pitman .202 will receive an additional movement to the left, which through the lever 200, link. 199 and arm 198, imparts to the shaft 185 an additional clockwise movement. The shaft 185, in turn, through the arm 186. (Fig. 7),
link 18.7, bell crank 188 and link 195, rocksv the cam 169 an additional distance in clockwise direction to position the lobe 17 0 thereof under the nose of the feeler arm 166, thereby camming the coupling 156 in clockwise direction to render effective the drawer.
release mechanism.
Near the end of the second cycle in a total.
ter to withdraw its .lobe 170 from beneath.
the nose of the feeler arm 166,. whereupon the spring 165, rocks .the coupling156 to displace the coupling arm 158 from. the.
path of the drive lug 159.
Since this totaling operation has followed a multiple-item transaction, during theentry of which the shaft 99 and control cam .167 have. been adjusted to position the. mutilated part 168 of thecontrol: cam beneath the nose of the feeler', arm 166, andsincethis.
drawer-selecting mechanism is applied to and; adjusted by the well known minimum-mover ment mechanism of this class of machines wherein the parts remain in the positions, where last adjusted until again adjusted, without, returning to a-normal home position at each operation of the machine, it is, obvious that the control cam 167 will not oppose the disconnection of the coupling at the end of a total-taking operation following a multiple-item transaction.
The total control lever 42 is then returned manually to its normal add, position, thereby completing the restoration of. thetotal caml69 to its normal-idle positionrelatively to the coupling 156, together with the train of parts connecting the totalleverand its cam 169.
Operating mechanism The maindrive shaft 67 maybe operated by any suitable electric motor, not: shown, or manually by a handle 212; (Fig. 9) in; tegral with a gear 215 pivotedon a: stud 216 in the rightside frame of'; themachin e.- The gear 215 meshes with the gear-207, the ratio of the gears being such that'it-requires;
two complete clockwise rotations of the gear confine the invention to. the one form or embodiment herein disclosed, for it is suscep-fi tible of embodiment in various forms all coming within the scope of the claims which follow.
What is claimedis:,
1. In a machine of the class described, the. combination with a plurality of normally inaccessible drawers; means to. select, a drawer for operation; means to shift the selectingmeans to release the selected drawer; and a drive means for the shifting means; I of a coupling interposed between the drive means and the shifting means; and means, controlled by the selecting means to.determine whether the couplingshall be effective or ineffective.
2. In a machine of the class described, the combination with a plurality of normally inaccessible drawers; means to select a drawer for operation; means to shift the selecting means to release the selected draw. er; and a drive means for. the shifting means; a coupling interposedbetween the drive means and the shifting means; and means including a-cam disk adjustable by the selecting means to determine whether the coupling shall be effective or ineffective.
3. In a machine of the class described,
' coupling shall be effective or ineffective.
4. In a machine of the class described, the combination with a plurality of normally locked drawers; means to select a drawer for operation; means to shift the selecting means to release the selected drawer; and a drive means; of a coupling carried by one of the two last-named means and shiftable into and out of effective position relatively to the other of the two last-named means; means controlled by the selecting means to determine Whether the coupling shall be effective or ineffective; a normally idle cam member also operable upon the coupling; a manipulative means to shift the cam member part way towards its effective position; and means also under control of the manipulative means and operable upon the opera tion of the machine to complete the shifting of the cam member to effective position.
5. In a machine of the class described, the combination of a plurality of normally locked cash drawers; diflerentially adjustable means to select which of the drawers is to be released for operation, said diflerentially adjustable means adapted to remain where last adjusted; means to control the adjustment of the difierentially adjustable selecting means; means to shift the selecting means to release the selected drawer; drive means for the shifting means, and having a lug thereon; a spring-urged coupling pivoted to the shifting means, and including a drive arm and a feeler arm, the drive arm adapted to swing into and out ofvcooperative relation with said lug; a disc adjusted by the means which controls the adjustment of the selecting means, to control the position of the spring-urged coupling and a manual- 1y adjustable means to control the position of the spring-urged coupling when the cam disc is ineffective.
6. The combination with a drawer releasing mechanism associated with a plurality of drawers; and driving means therefor; of a single spring-pressed coupling to releasably connect the driving means with the drawer-releasing mechanism to effect the release of any drawer; and means, including a cam disk, to determine whether the coupling shall be efiective or ineffective.
7. The combination with a drawer releasing mechanism associated with a plurality of drawers; driving means for the drawerreleasing mechanism; a single spring-pressed coupling to releasably connect the driving means with the drawer-release mechanism to efi'ect the release of any drawer; means including an adjustable cam disc to determine whether the coupling shall be effective or inefiective; means to differentially adjust the disc; and groups of selective devices to variously control the position of the disc to render the driving means effective or ineffective.
In testimony whereof I aflix my si nature.
BERNIS M. SHIP EY.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650023A (en) * 1948-10-01 1953-08-25 Anker Werke Ag Plural drawer mechanism for cash registers
US3017078A (en) * 1955-07-01 1962-01-16 Ncr Co Selective drawer control mechanism for cash registers and accounting machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650023A (en) * 1948-10-01 1953-08-25 Anker Werke Ag Plural drawer mechanism for cash registers
US3017078A (en) * 1955-07-01 1962-01-16 Ncr Co Selective drawer control mechanism for cash registers and accounting machines

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