US324791A - Temporary cover for books and similar articles - Google Patents

Description

(-No Model.)

E. J. TRUM.

TEMPORARY COVER FOR BOOKS AND SIMILAR ARTICLES. No. 324,791.

Patented Au.

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' Y UNIT D diaries EMANUEL J. TRUM, OF BROOKLYN, NE\V YORK.

TEMPORARY COVER FOR BOOKS AND SIMILAR ARTICLES.

SPECIFICATION forming part 01' Letters Patent No. 32 4,791, dated August 18, 1885.

(N0 m -del To all whom it may concern:

Be it known that I, EMANUEL J. TRUM, a citizen of the United States, residing at Brooklyn, in the county of Kings and State of New York, have invented a new and useful Temporary Cover for Books and Similar Articles, of which the following is a specification.

This invention relates to temporary covers for blank memorandum books, cash-sales checks, and other similar blank or partiallyprinted books or packets of paper, which are manufactured and sold without a cover or back.

The object of the present invention is to provide improved means whereby the book or packet of connected leaves or sheets, as ordinarily manufactured, can be easily and securely attached to the back or cover.

The invention consists of a clasp made of metal or other suitable material, open on one side for the insertion of the back of the book, and having its top and bottom parts, which. clasp the sides of the book, adjacent to and parallel to the back, provided with parallel curves extending the entire length of the clasp, so that when the back of the book or packet is inserted the part of the book entered in the clasp will be bent or curved parallel to the curvature of the clasp, and thereby be so securely held as to resist pulling out when drawn lengthwise of the hook, and also be prevented from sagging.

In the accompanying drawings, Figure 1 represents in perspective abook-cover provided with my improved clasp, and abook fastened in the cover by the said clasp. Fig. 2 is a section of the same, taken on line 00 on. Fig. 3 is a perspective view of the clasp. Fig. 4 represents the action of the clasp when the book or package is drawn lengthwise or at right angles to the clasp.

Referring to the drawings, A represents the unbound book or packet, which is manufactured and sold, as shown-that is, without covers, and with the back a formed by stitching or pasting the sheets of paper together. B B are the sides of a removable cover for the said of one of the sides 13, parallel and close to the flexible back. The said clasp is composed of parallel curved top and bottom parts, b b, connecting-web d, and a plate, 6, projecting from the bottom part, b, which plate lies on the cover and is secured thereto by rivets or other suitable means. The curved bottom part, b, is free of the book-cover from the point where the curve commences. The parts b b are formed to about the same curvature and parallel to each other, so as to form a curved cavity. The object of this is to bend the back of the book when inserted in the clasp, and by that means bend the paper where it passes under the clasp at an angle to the surface of the book, which prevents a straight pull or drawing on any of the sheets of that part which passes into the clasp. In this way the bound end of the book is held entirely by the friction produced by the bend given to it by the clasp instead of by a positive fastening, or when the back is thickened or otherwise arranged for fastening to the clasp. Furthermore, by this means, as the clasp properthat is, the curved parts-are not directly attached to the cover, a straight curvature of the bottom of the clasp. As a further security, and to prevent any possibility of the back slipping, burrs it may be formed on the surface of the clasp, which take hold of the paper, and form, in combination with the curved spring-clasp, a slightly-positive hold for the part of the book held in the clasp.

Instead of giving a curve to the bottom part of the clasp, it may be made flat and a halfround strip of wood or other suitable material may be laid lengthwise of the clasp and fastened to the bottom part.

It will be seen that one of the great advantages of this clasp is that no specially-made book or package is required to give a hold to the clasp, as when pressed in the clasp that part between the top and bottom is forced to conform to the shape of those parts, and any such article, made in the ordinary manne can be placed in and held by the'clasp, it being only necessary to place sufficient sheets of paper together to fill the space in the clasp sufficiently to be curved into the described form. Nor is it necessary that the sheets or leaves should be stitched together, as a package of loose sheetsput together so'as to form a straight back may be equally Well held by the clasp.

I claim 1 1. In a temporary cover for books and similar articles, a clasp having its top and bottom parts formed into parallel curves extending the Whole length of the clasp, substantially as specified.

2. A clasp for temporary covers having its top and bottom, between which the back of the book isheld, formed'into parallel curves extending the Whole length of the clasp, and

EMANUEL J. TRUM.

WVitnesses:

- MILLARD R. J ONES, J ULIUs REHWOLDT.

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