USRE11914E - Loose-leaf ledger - Google Patents

Description

, Boissued lune ll, I901.

v E. L. mccume,

- LOOSE LEAF'LEDGEB.

(Apphoatxon filed Oct 11, 1900 No. H314.

tion onthe line a; m in Fig. II.

UNITED STATES PATENT OFFICE- ELIAS LOWE MCGLUBE, OF SAN. FRANCISCO, CALIFORNIA.

LOOSE-LEAF L EDGER.

SPECIFICATION formingpart of Reissued Letters Patent- No. 11,914, dated June 11, 1901. Original No. 644,210, dated February 27, 1900. Application for reissue file d October 11, 1900. Serial No. 32,739.

To all whom it may concern.-

Be it known that I, ELIAS LOWE MCCLURE, a citizen of the United States, residing at San Francisco, county of San Francisco, and State of California, have invented certain new and useful Improvements in Loose-Leaf Ledger's; and I hereby declare the following to be afull, clear, and exact-description'of the same, reference being had to the accompanying drawings, forming a part of this specification.

My invention relates to what are called 7 loose-leaf lodgers that contain summarized accounts or records to holda variable quantity of such sheets or leaves that can be removed, replaced, or transferred at pleasure for'classification or indexing; also, relates to an improved form of such lodgers.

My invention consists in an improvedexpansive back designed to retain its shape and.

Figure I is a-view in perspective of one ofv my improved loose-leaf ledgers open and partially filled with leaves. edge view of the'saine ledger with the covers removed, also *a portion of the back g uard-' plates broken away. Fig. III is a partial flat view of a leaf adapted for use in, the ledger.

and its supplementary files. Fig. IV is a see- Fig. V is a perspective view of the key for adj listing the ledger and clamping the containedleaves;

a It will be understood that the covers, clam ping-bars, and exterior of my improved device are covered or iue ased with leather orother suitable material in the usual bookbinding.

Referring to Figs. I, II, Ill, and IV, the ledger mechanism is composed of two metallic bars 1 and 2, adjustably connected by a central register-pin 3 and two otherregisterpins 4 at the ends, corresponding'to the holes in the leaf, Fig. Ill, thathave reference-numbersi34m scri ption.

Fig..II is a .front manner of.

The register-pins 3 and 4, also the dowel 01 guard pins 18, are of telescopic construction to permit the bars 1 and 2 to be expanded or the center pin 3 being larger in diameter and provided with a screw 6,made integral with the removable barrel 7 and meshing into screwthreads formed in the top of the barrel 8, as seen in Fig. IV..

By turning the barrel 7 which is slotted at 10 to fit on a cross-pin 11 in the socket of the barrel 7, the bars 1 and 2 are moved together or apart, the telescopic side pins etand dowel pins 18 sliding accord- 's y- To maintain the shape and contour of the back,- I employ two bars 13, preferably of wood, con nected to and movingwith the bars 1 and 2 bymeans of the end plates 12. bars. 13 are. held. in a true vertical plane and guided byjthetelescopic dowel-pins l8. (Shown in section at Fig. IV.) Over these bars 13 and riveted to the metal bars 20 is stretched a flexible cover 14, which forms the back of-the ledger, on which itstitle can be printed. This cover 14',preferably of leather, iskept in constant tension and smooth by ,{means of. the equalizingor compensating leve rs 16, connected. together at their outer ends by the pins 19.to the bars 20, the holes in the levers 16 being slotted to accommodate the are described from the center at 17.

' The bars 16 are attached to or fulcrumed on thebars13 by the pins 21, moving in slots, as seen in Fig. II, so that when these bars 13,

with the bars 1 and 2,.are expanded or closedthe levers lti, by means of the pins 19, move the bars 20'in'ward or outward twice the distance moved by. the bars land 2, thus keeping the back-cover 14in uniform tension, the latter sliding over the rounded edges of the bars 13, as will be understood.

The leaves 5 consist of a face 22 to receive the record, joined by a flexible web 23 to the strip 24, in which are the register-holes 3 and If, the latter being slotted out to the edge, as

, shown at-l5' so the leaves can be placed lat- 'li e cox e1' 15 and their binding being of. the usual t pc and form do not require deerally on the register-pinsS and 4:, and-thus be inserted in or removed from the ledgerandari angedor rearranged in any order de with the key 9, I

The 3 sired without removing-superimposed leaves piates 25, attached to the bars 1 and 2 and made in two parts overlapping, as seen in Fig. IV, so as to slide one upon the other when I the bars 1 and 2 are expanded orclos'ed, thus protecting t'he inner edges of the leaves 5 from contact with the mechanismlat the back and presenting a finished appearance when the ledger is empty or partially filled.

The; hovers are ofthe usual construction and flexibly'united to the bars 1 and 2.

Having thus explained my invention, what I claim asnew, and desire to secure by Letters y I view, substantially as'specitied.

Patent, is-

,1. In a loose-leaf ledger, the combination V v with the back-bars of means for moving said of thevfixed back plate, movable back plate, both having curved edges, with means for moving said movable plate, and t-he flexible and compensating backcovering, passing around said back plates, and means for main-- and 2 provided with telescopic register-pins in the middle and at each side, the back-bars 13 and a flexible back-cover to slide upon the same, and in combination therewith the eqiiaiising-levers 16 to maintain uniform tension of the back-cover, operating substantially as described.

4. In a loose-leaf ledger, in combination, main clamping-bars 1, 2, provided with telescoping register-pins 4 and a screw binding telescoping pin3, of larger diameter than pins- 4, loose leaves 5, provided with perforations 4 to tit the said telescoping pins, slitted as at 15' to admit of insertion and removal, rounded bars 13, bars 20, equalizing-.bars-lii,

and flexible back-covering 14, substantially as specified.

. 5. In aloose-legtledger',movableclampingbars 1, 2, rounds bars 13, end plates 12 0011- necting said bars, telescoping register-pins 4, telescoping screw binding pin 3, bars equalizing-levers 16, guard-plates 25, and

flexible back-covering 14, substantially as" v 6. Ina loose-leatledger, the main clampingbars 1 and 2, means to expand and close the same, and means to hold them parallel when moved, and in combination therewith the bars 13, the loose back-cover 14:," and the 1e 16 attached to and maintaining tension two subscribing witnesses.

of the lnnse-lmck-cover, substantially in the manner described.

7. In a loose-leaf ledger, the main bars 1 and '2, means'to expand and close'the same, the

back-bars 13 connected to and movingftherewith, the telescopic register-pins 3 and 4, connectin g and guiding the main clam p -bars and the telescopic dowel-pins 18, connecting a d guiding the back-bars 13, combined audioperating substantially as specified. S. In a loose-leaf ledger,the main clampingbars 1, 2, means to expand and contract. the same, equalizing-levers for preserving parallelism, and overlapping guard-plates 25, attached to and moving with said bars 1 and 2, located in front of said equalizing mechanism, whereby the latter is concealed'from 9. In a loose-leaf ledger, the combination bars-toward and from each other, a loose back-cover for said bars, and of a-take-up connection interposed. between the free ends of said cover, actuated automatically upon the movement of said bars, whercby theslack may be compensated'for as the back is contracted,.and the cover ive outward as the book is expanded.

10. In a loose-leaf ledger, the combination with the back-bars of sorew actuated lock .mechanism by means of which the bars are adj nsted toward or from each'other so a'sto contract or expand the book, a'cover for the bars, and a take-up connection interposedb'ctween the free ends of said cover, actuated uponthe movement of said'bars so as to shorten or lengthen the said cover upon a contraction or expansion of the book. I

11. In a loose-leaf ledger, the main clamping-bars 1, 2, rounded bars 13, bars 20, aconnection between the" bars 20 and 13, whereby they move simultaneously,and a flexible backcovcring attached to the bars 20 and sliding over the bars 13.as' the latter expand and contract substantially as specified.

12. In a loose-leaf ledger, the combination with the back and loose cover therefor, of an automatic take-up connected with the free ends of the cover, whereby the cover may be adjusted to the adjustment of the back, and

of a screw-actuated lock mechanism by means of which the back-is contracted or expanded.

13. v In a book of the character described, the

combination with clamping-bars, of means for varying their relative positions, an expa'nsible cover, means for preserving the parallelism of theclamping-bars, and overlapping guardplates moving with the clamping-bars and 10- cated in front of the expansible cover.

V 5 In testimony whereof I have signed my-

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