US2329300A - Book construction - Google Patents

Book construction Download PDF

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Publication number
US2329300A
US2329300A US391023A US39102341A US2329300A US 2329300 A US2329300 A US 2329300A US 391023 A US391023 A US 391023A US 39102341 A US39102341 A US 39102341A US 2329300 A US2329300 A US 2329300A
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United States
Prior art keywords
book
leaves
edge
leaf
keys
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US391023A
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Rummler Burke
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Rummler Burke
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B42BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42FSHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F17/00Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets
    • B42F17/34Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets with card selection means, e.g. telephone number list finders
    • B42F17/346Card-filing arrangements, e.g. card indexes or catalogues or filing cabinets with card selection means, e.g. telephone number list finders with pivoting movement of selected cards

Description

P 1943- I B. RUMMLERY 2,329,300
BOOK CONSTRUCTION Filed April 30, 1941 2 Sheets-Sheet 1 .22? 1/ 5.77 for P '14, 1943'. B. RUMMLER 2,329,300
BOOK CONSTRUCTION Filed April 30, 1941 2 Sheets-Sheet 2 ',&
"1 N n m w f r w b m k j in 1/ en for tion with the lifters.
Patented Sept. 14, 1943 BOOK, ooNs'mUorroN 1 Burke Rummler, Cayucos, ApplicationiApril so, 1941, Serial No. 391,023 5Claims. ,o1..4o,-f-.104)} This invention relates to improvements. in
means for opening a book at predetermined divisions thereof, with anarrangement for receiving added leaves and allowing for easy removal of any leaf or page of the book. Moreparticularly,
the improvements relate to a keyboard construction attached to the base or' back "coverof the book and to a specific'ring c'onstruction'for receiving and guiding .the leaves of the "book in opening and closing movements thereof- The objects of the invention are to provide a single element which serves the purpose of a multiplicity of keys with means operated thereby for partly opening the book at any one 'of predetermined sections thereof; to providean improved hinge construction. forthe cover and pages,,whereby anyone leaf, when'bent arcuately may be readily inserted or removed from' the book; and topr'ovide, an improved and simplified means for partly openinga book at predetermined sections thereof selectively.
'A- specific embodiment of. the improvements is illustrated in the. drawings, wherein:
Figure 1 is a planview of thebook; 2 is a cross'section ofthe book taken on the line 2-2 of Fig. 1.
Fig. 3 is a plan View of the book when open to,
the last pageto uncover the back thereof,
Fig. 4 is a fragmentary sectional view as on line 44 of Fig. 3 showing the differentially spaced 7 means or on the cover, include a strip of flexible material secured to the back or base of the book.)
This element or flexible stripwill be referred to are'provided with alpairof' longitudinally spaced rectangular perforations Where the'leavespivot 'on split guidingi rings book.
.fixed'to the base of the .With reference tothe particularillustrations in the accompanying drawings, thebase or back cover of the book' comprises a'rigid lower late 1 and upper'plate lispacdapart by longitudinal cleats 3, 4 and 5. Securedat the right-hand'end of plate 2 and above'the strip 5 is bearing memher 6 extending lengthwise ofi the back and upon" qhand edge offlthe bookbase so that. it may be secured to the longitudinal edge :stripi. A I
The left-hand operating edge'of the keyboard strip 1, is divided by. notches 8 into a plurality of separate keys ;9.; Any one of these keys may-be flexed downward byqmeansof the. rubber end of a pencil or the finger ,ofa user. *Whenfso depressed afkey engages a correspondingleaf lifting elementlEL; Theseleafliftersare all alike in form',and are punchedjfrom sheet stock. Each is a lever with its fulcrum on auwire' rod ll. Curved eccentric portions I 2 1 the lifters extend below the keys 9. I
When a key is depressed the corresponding lifter. is cammed thereby to rock upwardly to the right, itsmaximum movement being less than 90 and the liftercannot passthe dead center '1 positionb ut falls when the lifted leaves, of the I book are swung by ,hand to" full open position. Otherwise the lifter holds thebook in partlyopen I position due to the weightand. frictionyof the" as the keyboard, and is regularly notched out to leave a plurality of tongue form of keys, which keys may bear index characters designating divi-. 1,
sions of the book, or suchdesignations may be placed on the cover opposite the respective keys.
A series of opening pawl leversfor the bookare located in transverse slots in the base portion of a the book below the keys. These opening pawls which forms sponding divisional leaf and partly opens the book at that point At their opposite or inner edges all leaves of the bookincluding the cover,
Hence, when anyone lifter is rocked on its pivot it engagesonly the corre-.
leaves resting thereon, as'indicated in Fig. 2. I
The normal intended mannerof operating the" partly open leaves and toss them to fully open position; Index characters are pressed into the keys as indicated at I3,Fig.- 3, and if lengthier titles arerequired; these are carried by the cover opposite the keys, as indicated by the spaces outlined at M, Fig.1.
The longitudinal frame member 5: aseries .of saw cuts [5 for receiving the lifters I2, and,
has a longitudinal groove It at its upper edge into which wire H is dropped between the end. book back frame elements vI! and I8; which are attachedto the longitudinals 3, land 5. p Y v The "upper plate 2. of the book back is also:
' thereof will extend over corresponding lifters so that each lifter may open the book at;a definite point. v j 1 Each, leaf of the booknear its inner edge has a pair of rectangular perforations through c which pass rings 25 of flat stock. The lower part of the rings are flattened and countersunk into the longitudinal frame element 3 as indicated-at i 26, Fig. 2. Attached to the frame member .3 and passing over the rings to firmly anchor, them to: I
frame member 3 are securing-strips 2:1.
Each ring 25 has a diagonal opening 28,at the top and these diagonal openings are opposed in the pair ofcrings .to lenable sinsertion'orzremoval' of a book page whenaqpage-is bent toarouate f form-bypressing the upper and lower edges of the leaves toward each other. This arcuate set of .a. leaf is'indicatedbythebro-keniline 29; .Fig; .3. .Thus, in the use'uof the construction leaves are inserted orremoved; in thatjmanner.
:In the operationof the keyboard'the book is opened'at aplace indicatedby a key, which-when depressed :rocks oneof the" lifters and by-a .'con- .tinued inward motion of the thumb :used in de pressin a key the book maybe :fiilly opened." The operated lifter drops back into' alignment with .the other lifters by gravity. :If a key is merely depressed without "further bookj-opening-movement on the .partl of the user of the book,=the
book'is leftfin partly open condition-at the point designated by the operated key.-
"Iclaim: I a
1. 'A book comprising aback construction having attached thereto along an edge' of the back apa'ir of spaced rings setting transversely of "and perpendicular to the back; the upper portions of said rings being provided with diag on'alopenings 'each at an angle to the other to align w ith an :arcuately bent leaf, leaves hinged to the book by said pair of rings, said leaves having perforaftions for riding along the rings,-son1e of said leaves having projections at their free ends which projections are of different lengths to provide a stepped relation of the projections, a series of lifting pawls pivoted to the back cover of the book for engaging the different extensions on the leaves, and means mounted on the back cover of the book and comprising a strip of resilient material extending over the pawls and slotted etween the lifting pawls.
2. A book comprising'a-base structure having leaves pivotally connected therewith along one edge, said leaves having differently spaced pro jecting portions along adifl erent edge, a series of lifting lever pawls pivoted to the base each in position to engage a projection of a different leaf, and means for selectively operating any one of said pawls comprising a strip of resilient sheet material mounted on the book base and operating tongue for each divided to provide an pawl.
material fastened to the ,book andhaving 5a plurality of projecting tongues, a series of leaf lifting ,pawls pivoted to the book and each having a cam .portion extending tinder one 'of the tongues of the resilient strip.
4. Abookwith a keyboard construction extending along an edge thereof, said keyboard con- .struction comprising a :series of pivoted leaflifting pawls, and aipluralityo'f movable tongues each overlying "a, respective one of saidEpawls; each of said pawls :havinga cam portion extend ing under the respectivertongue,
.5. A book comprising a base structure having leaves-pivotally connected therewith along one edge, said leaves having difierentl-y'spaced projecting portions along a difierent edge, a series of pivotedliftinglever-pawls each positioned to engage a projection of :asdi'fiejrent leaf, and means for selectively operating any one of said apawls,
each of said pawl-s l'lavingits "leaf-lifting fend formed to hold the leaves f-rictionally impartially lifted position upon operation of the pawlfto its maximum leaf lirting position.
BURKE npirmpnaj 3. ,A book with-a keyboard construction extend ing along an edge thereof, said keyboard 'con- 'struction comprising a strip of :resilient sheet
US391023A 1941-04-30 1941-04-30 Book construction Expired - Lifetime US2329300A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2494167A (en) * 1944-09-02 1950-01-10 Bates Mfg Co Index device in which a selected sheet is held down and sheets thereabove lifted
US2512840A (en) * 1944-08-14 1950-06-27 Scripto Inc List finder
US2524704A (en) * 1947-04-26 1950-10-03 Henderson Robert Card indexing device
US2536544A (en) * 1949-05-31 1951-01-02 Brown & Bigelow Loose-leaf memorandum index
US4114301A (en) * 1975-10-31 1978-09-19 Carl Manufacturing Co., Ltd. Indexing device
US4135319A (en) * 1975-12-23 1979-01-23 Carl Manufacturing Co., Ltd. Indexing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512840A (en) * 1944-08-14 1950-06-27 Scripto Inc List finder
US2494167A (en) * 1944-09-02 1950-01-10 Bates Mfg Co Index device in which a selected sheet is held down and sheets thereabove lifted
US2524704A (en) * 1947-04-26 1950-10-03 Henderson Robert Card indexing device
US2536544A (en) * 1949-05-31 1951-01-02 Brown & Bigelow Loose-leaf memorandum index
US4114301A (en) * 1975-10-31 1978-09-19 Carl Manufacturing Co., Ltd. Indexing device
US4135319A (en) * 1975-12-23 1979-01-23 Carl Manufacturing Co., Ltd. Indexing device

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