|Publication number||US1919835 A|
|Publication date||Jul 25, 1933|
|Filing date||Dec 4, 1930|
|Priority date||Dec 7, 1929|
|Publication number||US 1919835 A, US 1919835A, US-A-1919835, US1919835 A, US1919835A|
|Original Assignee||Giese Fritz|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (13), Classifications (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
July 25, 1933. F. GIESE READING DEVICE FOR A BOOK 'Filed Dec. 4, 1930 Jnventor: 6 7 56.
; damaging the leaves; in additionther'eto it Patented July 25,1933 1, 1 I i I p v UNITED STATES PATENT OFFICEQQ it i I I v fliq t BERtin-rrhnnnsnfi, GnaMANY v "h REAmiie nnvronro tggoox v I H 'h 'hcationhie ine e iherig was; semi-n05 500,091 aha i'hehrmhn December 7; 1929.
\ Reading deviceszfor books'areknown, in the reading device withi'a book held in powhich base holding members, extendingover sition thereon thelower part of the book in the direction Fig.2 is a front view of thesame, ofth-e backofthe book, are intended to hold Fig. 3 isa side View of a separate part, *Qi'he separate leaves of the book; Also de-. 1 Fig, 4 isa top view of one part ofthe vices are known, in which these' holding device, whilst" members-are made to hold the leaves of the Fig. 5 is a perspective view ofthe device.- book from a lateral direction. Further, *The reading device essentially, consists of fixed supporting members upon-such base a holding member A, a holding: member B members for readingdevices for thelower and supporting members C, capable, is necou edge of the book have'already been sug- 'essary, 'of being displaced'in a directionpar- "gested All these devices, partly by them allelto the back-of the book, and of being selves pa tl in mbi ti b d th adjusted, they are, mounted: upon a base disadvantage, that for the purpose of turn- "p -e D, In accordance with the present (.5 ing over the leaves of the book some of I inventionthe one holding member B is'p'ro-M 'these holding members have to be removed Zvided with" independent holding arms $1,232 and that, above all, the reading device -'WhiCl'1 may be displaced in relation to each renders possible only a ading of th book other, while the other holdingmembenA is Whilst the base plate is in an essentially; q ipp d; in addition to a holding bar 3, vertical position and that the holding mem-- ng held by ms 4:, with p holding: hers, moreover, are incapable of firmly holdg s f r p p s 0f'a0cum11lat1ng a ingc down abook even of medium size upon few -Over leaves'of abook For -th1s the base plate, when the base plate with its P p the-01115971 nd'p theholdmg tongues supports is held in a downward direction, 1' b Q I H Mfl 111 Q F O Q Q as thiswilllbe'necessary for the purpose of 6; The arms 4 of the d g; b are reading a book while in a horizontal-or rel y p the/Shae f cumbentposition. The reading devices'atj Un actlon of S g haVmg'the present-innsefurther require absolutely the te n y toPress the 1 2 bar y use of both, hands forturning over the 1n the e n of the arrow p n e k leaves, with the result, that the reading de 5 r b g l l Q vices cannot be used by o'ne-armed persons bookfas Well isthe latter ltselfhand-1,69 or by persons withan injured arm or hand. h m} P Q T sp f belng m f Even the manipulation of this device by 11 the dliFectloIl ofthe MTOWF ep means of both hands while the reading perholdlng W h h leaves" son'is in a horizontal or recumbentposition thebook At 5 an'd'qtwo SeParat e"1eaVes of i azmatter f fl' ide -ab1.difii ulty 'theboolca have beenshown-1n;.F1g. 2. Tlhe andmay easily'causethe-leave's of'the'book leaf S S W- 1S k bylthe holdtng I to be damaged. 1. 1 ,1 r :.-tongues 5 betweenthelatterandthe holdmg The object of thepre'sent'in'vention is to bar The d? 9 f t s n provide-a readingdevice for securely jhold- 'Y Q W leafilslusvt m mb t e an; the book an any *posihonphh the base e h r tonguesyandthe hold-111g fpjl'ate andallowing of turning" over the leaves f- 5 ilt f f r i, 1 a plul of theibook with one hand Without risk of m 1 yo Sepam e eaves O at 00 a accu- I ,mulate' between the. holdlng tongues:5 and i t h 1 v the holdingbar. 3. This accumulation ofthe t5 m e e n lyf dlu d 1335 'separate,turned-over;laavesyields the great r, a 1; :1 advantage, that it will. not beflrequiredyany Theginventionls clearly llustrated 1n the 10nger. to lift up the holdin'gbar for the accompanylngdrawing n which; purpose ofholdingytight-theseleaves, but
Fi --v 1. M PY W f: the ma n Bart at11er to; fi ml press itdagainst theba'se and adjustedalong aguidingv member, for
iirg is indicated at 26. part isconnected with a handle 27 renderplate'during this time. The slide 7 may be mounted in any desired manner, for instance, upon a bar 10 along which it may be displaced. The arms 4. may be suitably articulated, by means of joints ll capable of being clamped. As a consequence thereof, the range of these arms has been rendered adjustable within comparatively wide limits and the holding bar 3 may be adapted to any desired size of book.
The holding arms 1 and 2 have eachapa propriately been equipped with a slide 12, 13, capable of being adjusted in a longitudinal direction, the slides being held invposition by means of a guiding member, forinstance,
a bar 14; In theform shown the slides 12 and 13 are each provided with a rack for the purpose of changing the. distance between thetwo holding arms 1 and 2. A toothed wheel 17 is fitted with and actuated by means of a handle 18 and engages the racks 15wand16, with the result that by turningithe handle the distance between the two holding arms may be adaptedvto the height of the book beingheld in the reading deviceat the time;
By means of clamping screws 19, 20,.the holding arms 1 and 2 may be clamped on the bar 14. The bar 14. to-
gether with the toothed wheel 17 and handle 18 is rotatably mounted in a slide 22 by means of a stirrup 21 or the like and springs 23: are provided possessing the tendency of pressin'gthe holding arms 1 and 2 against the book a. However, by exercising pressure upon the handle18 in the direction of the arrow itwillkbepossibl e without any trouble whatsoever; to, swing the handle in the direction of the arrow H, whereby the holding arms arelifted off the book. Analogous v to the slideif, the slide 22. may be displaced instance, a bar-24 i Atthe end of the holding arm 1 a knifeshaped: part25 is mounted capable of being rotated-and swung about. The rotary bear- The knife-shaped ing it possible toswing'it the direction of'th'e arrow J between the leaves of a book.
iIn connection therewith the knife-shaped part be made by means of a swivel bearor'm'ost preferably of cbonite or the like has been attached. This roller permits, on turning over the leaves, to pull out one leaf of the book from under the roller without damaging the leaf in any way. On the other hand, the roller holds down the leaves of the book and simultaneously the book itself, upon the base plate. 7
The modus operandi of the device is as follows:
I I For the purpose of turning over the leaves merely one leaf of the book is seized with one hand, for instance, at the point 30 and moved approximately in the direction of the arrow K, whereby the corner of the leaf may easily be removed from under the roller 29; "The'leaf is now turned over and pushed under the holding tongue 5. As soon as a fairnumber of leaveshave accumulated under, the holding tongues 5, vthe holding tongues are slightly lifted up by exercising pressure upon the handle 9 in the direction of the arrow F1, thereby causlng the turnedover and accumulated leaves to pass below the holding bar, being gripped again by the latter immediately'upon releasing the hanarrangement, for instance, by bars 31, 32,
33' and from what has been said in the foregoing it will easily be gathered, that in spite of the position of the book-the latter itself and also the separate leaves will be effectively held tight,- simultaneously rendering possible a turning over ofv the leaves with the aid of one handw I claim: I 4
l. A reading table comprising in combination a-plate, adjustable supporting means on, the lower edge of the plate for the book to be 'placed on .theplate, holding means ,on both lateral parts of the plate displaceable in the direction-towards the back of the open book, thesaid. holding means on the side of the plate for the leaves of the book not yet turned over: including a specivally constructed arrangement which engages only the right lower corner of the uppermost: leaf, the specially constructed arrange- ;1ng, wh1ch has been indicated at28, to simulr -taneously adjust itself'upon the surface of mentincludinga roll and an elastic support for the roll. 1 I
2. A reading table comprising in combination 'a plate, adjtustablesupporting means on the lower edge of the plate for the book 'to be placed on the plate, holding means'on both lateral parts of the plate displaceable in the directiontowards' the back of, the open book, the holding means of the side; of the" plate for the leaves of the book not yet turnedover including a specially constructed arrangement which engages "only the right lower corner of the uppermost leaf, the specially constructed arrangement consisting of a roll and an elastic support for the roll, a knife-shaped member arranged near the right upper corners of the same leaves; the said knife member entering in between the leaves of the book and pressing the leaves below against the plate while leaving free the leaves of the book positioned above it.
3. A reading device, consisting. in combination of a base plateyholding means disposed upon one side of the base plate and capable of displacement in the direction of the book, an elastic holding member on the other side of the base plate for pressing the leaves of the other side of the open book againstthe base plate, a further elastic holding member on the last-mentioned side of the base plate; a knife-shaped part at the end of thislatter holding member slipping in between the leaves of the book and pressing the leaves below it againstthe base plate but on I the other hand leaving free the leaves of the book resting upon the knifeshaped part, a bar disposed perpendicularly v to the elastic holding members, slides connected with theelastic holdingmembers and mounted upon and displaceable along the bar, a slide displaceable in the direction of the book and supporting said bar and adjusting means for the purpose of changing the distance between said elastic holding memhers by displacing same along said bar.
4. reading device as claimed in claim 3, wherein the adjusting means for changing the distance between the elastic holding members includes racks rigidly connected with the slides, a manually operable pinion engaging the racks for the purpose of adjusting the slides along the bar.
. FRITZ GIESE.
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