US2980444A

US2980444A - Memorandum device

Info

Publication number: US2980444A
Application number: US710654A
Authority: US
Inventors: Samuel M Radzyner
Original assignee: Individual
Current assignee: Individual
Priority date: 1958-01-23
Filing date: 1958-01-23
Publication date: 1961-04-18
Anticipated expiration: 1978-04-18

Description

April 18, 1951 s. M. RADZYNER 2,980,444

MEMORANDUM DEVICE Filed Jan. 23, 1958 Samuel M. Radzyfier' MEMORANDUM DEVICE Samuel M. Radzyner, 549 W. Washington St., Chicago 6, Ill.

Filed Jan. 23, 1958, Ser. No. 710,654

1 'Claim. (Cl. 281-11) The present nvention relates to improvements in memorandum devices or holders of the kind disclosed in my Patent 2,223,225 dated November 26, 1940, providing for the selective intermittent feeding of memorandum paper from a roll onto and over a writing desk or table.

An important object of the present nvention is to im: prove the operating characteristics of the device.

Another object of the invention is to provide an improved feed mechanism in memorandum devices of the kind contemplated.

'A further object of the invention is to provide an improved combination feed roller and writing desk or table structure for memorandum devices of this kind.

Still another object of the invention is to provide a substantially improved combination cover and writing table or desk structure for this kind of memorandum devices.

It is also an object of the invention to effect economies in structure and improvements in function of various related elements in the combination of memorandum devices of the self-contained unit type contemplated herein.

Other objects, features and advantages of the present invention will be readily apparent from the following -detailed description of a preferred embodiment thereof taken Vin conjunction With the accompanying drawing, in which:

Figure 1 is a perspective view of a memorandum device embodying features of the invention;

Figure 2 is a slightly enlarged longitudinal Vertical sectional view through the device taken substantially on the line II-II of Figure 1; v

Figure 3 is a fragmentary sectional elevational detail view taken substantially on the line III-III of Figure 2;

and

Figure 4 is an enlarged fragmentary elevational view looking down at the lower left-hand portion of the device to bring out certain details of structure.

In the preferred embodiment of the invention illustrated, a compact, portable desk type of unit is provided which is self-contained with respect to a generally upwardly opening housing shell 5 reaclily adapted to be made from stamped sheet metal including a bottom wall 7 carrying suitable preferably rubber legs 8, a pair of upstanding identical, coextensive side walls 9 and an upstandng rear Wall 10. Economically, all of the walls of the housing or casing shell are formed integrally from one piece of Sheet material, with the rear wall 10 secured permanently to the rear margins of the side Walls 9 and thereby holding the rear portions of the side Walls against spreading apart or collapsing toward one another.

Between the rear portions of the side walls 9, forwardly from the rear Wall 19, the side walls 9 support a removable shaft 11 `upon which is rotatably supported a roll 12 2 end, the cover-desk member 14 comprises a plate dimensioned to lie in supported, container closing supported relation upon the upper edges of the side walls 9 which, to provide a convenient writing angle for the member 14 slope at an oblique angle to the horizontal from a maximum rear portion height to a minimum front end height in a plane convergent to the plane of the bottom wall 7. Throughout their sloping extent, the top edges of the side walls 9 are straight and in their respective uppermost rear portious the top edges are preferably rounded as shown at 15 more or less on a radius from the axis of the paperroll supporting shaft 11. It will be observed that the coverdesk plate 14 conforms in its major extent straight with the straight sloping edges of the side walls 9 and has a curved rear portion 17 complementary to and engageable in closing relation with the rear upper rounded edge portions 15 of the container housing side walls.

substantial reinforcement for the cover-desk member 14 is provided by similar down turned longitudinal side marginal flanges 18 extending throughout the length of the member and spaced apart at least equal to the distance between the outside faces of the upper margins of the housing side walls 9. In at least the portions of the fianges 18 carried by the curved rear portion 17 of the cover-desk member a frictional sliding fit with the margins of the housing side Walls adjoining the rounded edge portions 15 is atforded for at lleast lightly frictionally holding the cover in closed relation to the housing 5.

At their front end portions, the side flanges 18 are proi vided with respective journal portions 19 by which the cover-desk member 14 is pivotally connected as by means of journal bearing rivet members 20 to the respective for- Ward minor height extremity portions of the housing side walls 9, as best seen in Figures l and 2. Thereby, the cover-desk member 14 is adapted to be swung between open and closed positions relative to the housing member 5 for access into the container Chamber for replacement of the paper roll 12.

For receiving and guiding the writing paper strip 13, the cover-desk member 14 is provided on its forward hinged extremity with a curved underturned guide flange 21 about which the web of the paper strip 13 is adapted to be trained slidably as reeled preferably from the top of the paper roll 12 in a reverse bend onto the top of the cover-desk 14. By having the radius of curvature of the guide lip flange 21 substantially smaller than the radius of curvature of the paper roll 12, at least until the paper strip reaches the minimum core radius, and training the paper strip over the guide flange lip 21 in reverse curvature, a substantial straightening effect is had upon the paper strip.

For guiding the Web of the writing paper strip 13 rearwardly over the top of the cover-desk 14, and holding the strip down thereon, the cover-desk member is provided with a sunken or depressed writing table or desk area 22 -atfording a flat writing surface in the straight sloping portion of the member and define at the longitudinal side margins by longitudinal parallel insetting fiange guide Shoulders 23 between which the paper web strip 13 is maintained against any substantial lateral deviation in its plane from the depressed writing table area 22. As best seen in Figures 2 and 4, the upper rearwardly directed portion of the guide lip flange is located in a plane with the writing table area 22 and the guide shoulders 23 lead rearwardly from such upper extremity of the guide lip flange 21.

For hold-down purposes, a transverse integral holddown Strap-like narrow portion 24 is provided between the forward end of the writing table portion or area 22 and the upper side of the reverse bend guide lip fiange 21, with the front and rear margins of the hold-down strap 24 disposed in substantially the normal, undepressed planie of 'thec'ov'er-de'sk plate '14. This provides a forwardly opening slot through 'which the 'paper strip is' threaded under the hold-down strip 24 to emerge through V a rearwardly opening slot 27 onto the table area 22. I

For `Vr'einfo'rcen'r'ent a'nd toV hold theu'pa'perf'tr'ip :down reasonably, close to 'the js'upportin'g' 's'ur'face "'of 'theA table a V arc'arZ, the Vhold-down strip 24 i's provided within its margins with a debossed pad area 'affording 'at ju'nture with the marginal areas Vof vthe 'strip 24, reinorcing f bends 29. w

strip 24, is provided. Along it'siforwardfedggfthe hold-VV V'down strip 30provides an entry-slot 3,1Vth'ron'g'hli'1h'ich the paperv strip 13 is threade'd to emer'g'e 'through' area'r'exit 'slot 32 along the-real' edgejo'f :the''str'ipilf;M ;Within its margins, the hold-down strip 30 islprfovided with 'a depressed hold-down 'area 33 affording'at juneture 'withv the margins of the hold-downstri'p rtfrc'iirifdrciug 'riblike bends 34.' VItwill be observe `c l.'in Figure's fl that Vrearwrardly beyond the exit :slot32,'tlre'cver-desk 14 is Vdepressed to provide aV 'ramp 35 leading 'to and merging with the rounded 'rear 'portion v'7 of the `c'o'verdesk member which Vis provided in its crown portion with aVV central vgenerally longitudin'ally extending reinforcing emb'ossment 37.

condition assembled upon the shaft 39 by relativeaxial '-asscmbly `of the shaft through respective central 'shaft bores l43 in the respective rollers dimensioned for tensioned gripping Vfit about the shaft, Vthat is the shaft receiving bores 43 of the respective rollers are slightly undersized in diameter with respect to the outside diameter of the shaft.

Not only indexing for location of 'the respective vrollers `42, but also 'corotational 'interlocking is accomplished by having the Vroller-carrying portions of the shaft 39 provided. at respectiverlongitudinally spaced predetermined locations therealon'g with' longitudinally elongated closely circumferentially V'spaced interlock teeth '44 in the form of serration-like flutes or knurlsV which project beyond the normal' diameter-of rthe'rshaft and are interlockingly gripped by yielding ofthe material within tne respective roller bores 43 and tensioned displacement of material into the valleys between'theV interlock teeth.

'it will be appreciated that the Vstructure of the cover'- i' 7 deski member 314 asV described 'affor'ds a one-piece construction which is spubstantially 'rigid 'and thus 'quite durable and resistant to bending deformations'. Especially 'satisfactory 'is the depressed writing table area 22 which f Vafords a writing base that is ade'quately 'stifi to 'reist writing pressures thereagainst, being thorou'ghly rein- 'forced `along its longitudinalvmargins by :the rih-like'juncture with the reinforcing side :flang'e's 18 as 'aforded by the insetting shoulder bends '23, sr'o that 'there ar'e 'actually provided longitudinally along the sid'e'sfof therwriting table 'area 22 reinforcing ribs 38V. I

Paper 'strip feed means Vare 'carried by the'cover-desk member 14. Totthis end, a rotary shaft 39 is jour- A11 effective 'corotational' interlock of the `rollers 42 on the Vshaft 39 is thus attained 'without need for any adhesive or other bindin'g or ibonding medium. Stretchi'ng of the elastic material of the rollers 42 enables forc'eable relative axial assembly of the rollers 42 onto the shaft '39.. i. f f i p Turningof the shaftV 39 is accomplished through the medium of lrespective knobs `45V Vattached'to the respective opposite ends of the shaft, such ends projecting laterally beyond the'journal ears 41. i In thepresent instance, the knobs 45 are shown as made of a Synthetic plastic material and provided withfrespective 'shaft sockets147 provided with Vlongitudinal interlock knurls`47 -`engageable with positive press fit 'corotational interlock V'en'gagement with omplernentaryrrkn'urls 48 on the shaft ends.

VIn order to 'clear the outer end portions of 'the shaft 39, the Vhousin'g side walls 9 are provided with upwardly opening clearan'ce notches V49. i I fl i .i

In Vthe use of the memorandum device of the present invention, the ,cover-desk member 14 is swung open and the roll 'of paper 12 is inserted into the containerjchamher., The free end ofthe paper strip A1 3'is then threaded i under 'the flange lip 21 andthe cover-desk member 14 nalled through respective ;aligned bearing Vh'o'le's '40 in Q.

depending respective `enlarge'ments 41 ofth'ose porti'ons Vof the respective side flang'es 18 aligned 'with the' rear 'hold-down stripfi. Carriedby the :shaft 39. are-'soft rubber feed roller's 42. These 4rolle'r's 'are majd'e from Vnatural 'or 'Synthetic rubber 'of 'a soft'durometer a'nd 'the .i

best seen 'in vfiigure 3, '-the're 'are three'of 'the'irol'l'ers '42, 'each only a small fraction 'as 'wide as'thepap'er'st'rip' 13,

' andthis arrangernerit of three *roll'er's 'has been vfound *to be especially suitable for the `present ,purposerl Two' 'of the rollers '42 are located' for 'feed 'e'nga'ge'mejn't 'with respective' opposite marginal portions of thef'paper""stri'p '13 and the 'third of the rolle'rs A2 'i's located to eng'age the longitudinal center portion o'f the paper strip.. The

-greater than'the spacing between the axis of the 'shaft 39 and the Vunderside-o'f the depressed area 33 'of theV of the paperstrip 13 except 'as impelled by turning of v'the rollers 42 with the shaft 3-9. ,It has been found that with 'this arrangement of the feed rollers 42, even though the paper strip 13 may Vbe initially fed linto the nipV 'of therolllers somewhat askew,in 'a few turns of 'the rollers 42 feeding the web rearwardly, `straightening of the strip in its 'longitudinal feed path occurs.

Quit'e positive corotation of the rollers 42 with the 'jshaft 39 is 'attain'ed by having the 'rollers in a pieformed material is possessed of a vhigh 'c'o'eflicientof friction. A's

[closed down. After the free end of the'paper strip 13 ha's been threaded under the'hold-down stripV 24 and over the writing table 'area 22, it is vinserted into the.

'entry slot 31 under the hold-down strip 30 into the 'nip 'of the rollers 42 which, 'on being 'turned by manipula- -tion of the shaft'39 through either of the knobs '45, advance 'the paper strip and project the-free end thereof 'through 'the exit slot 32. After the portion of the paper strip 13 exposed upon the Writing table area 22 has ,beenV used, the strip is advanced to'project th'erpused length of the paper strip beyond the rear edge 'of the holddown strip 30 which 'rear edge 'serves as'a tear-olf guide against which the proje'cting portion of the Vpaper strip "radius' of the rollers is predetermined to be 'slightly 'is'tearingly pulled'manually for severing it from the strip web. i

- It will be understood 'that modific'ations and variations may be effected without departing from the scope of the novel concepts of the lpresent invention. i i

I claim as my invention: v In a memorandum device including 'aghousing shell provided with upstanding parallel side walls having the 'upper edges thereof slo'pin'gV from a maximum ,re'ar por- 'tion height to a minimum 'forward porti'on height'and defining between the-maximum portion height anV upwardly opening 'chamber space foraccommodating a roll of writing paper in strip form, a onepiece 'combination cover and desk member hingedly connected in a7 forward portion thereof to thepforwardV en'd'sV of saidrside walls and constructed and 'arranged to. lie Vi'n closingrelation to said chamber upon said side w'all vupper edges and being ,"swingable into open position fo'r access to Vsaid roll, 'said cover-'desk member having 'on 'the forward e'nd there- I of an underturned 'rounded paper 'straightening lip 'fiange `'over which the 'paper s'tripfis t'ra'i'ned onto, the upper side of the cover-desk member and the cover-desk member rearwardly from said lip flange being provided with a depressed fiat writing table area defined along its longitudinal sides by longitudinal guide shoulders, said writing table areahaving adjacent to said lip flange a hold-down strip severed therefrom and at a higher elevation than the plane of the table area, said table area having adjacent to the rear end thereof a second hold-down strip severed therefrom and at a higher elevation and extending integrally between said shoulders, both of said hold-down strips providing respective entry and exit slots through which the paper strip is threaded onto and over said writing table area, each of said hold-down strips having within the margins thereof depressed smooth holddown area portions engageable With the upper side of the paper strip to hold it against the writing table area, each of said hold-down strips having front and rear margins disposed in substantially the normal undepressed plane of the cover-desk member and above respectively the associated entry and exit slots, and feed roller means mounted under the second of said hold-down strips and comprising a rotary shaft, having thereon a plurality of soft reslient rollers of high coeflicient of friction pressing in paper feed relation toward the undersde of the depressed hold-down area of said second hold-down strip for feedingly advancing the paper strip across said writing table area by withdrawng the strip from the roll in said Chamber space and over :said lip flange and under said hold-down strip adjacent the lip fiange and thence over the writing table area and under said second holddown strip to be ejected through the rear slot defined by said second hold-down strip, said shaft having knurling thereon engaging inner peripheries on said rollers and thereby holding the rollers corotative With the shaft.

References Cited in the file of this patent UNITED STATES PATENTS 727,369 Hoyle May 5, 1903 768,980 Dorr Aug. 30, 1904 1,365,082 Bliss et al. Jan. 11, 1921 1,538,79'5 Gensmer May 19, 1925 1,699,708 Neth Jan. 22, 1929 1,958,417 Caesar et al. May 15, 1934 2,223,225 Radzyner Nov. 26, 1940 2,428,388 Shaw Oct. 7, 1947 2,502,590 Radzyner Apr. 4, 1950 2,782,559 Strauss Feb. 26, 1957