DE458380C - Mechanics for loose-leaf books, in which the cover and contents are held together by a clip consisting of two nested sleeves - Google Patents
Mechanics for loose-leaf books, in which the cover and contents are held together by a clip consisting of two nested sleevesInfo
- Publication number
- DE458380C DE458380C DEM94942D DEM0094942D DE458380C DE 458380 C DE458380 C DE 458380C DE M94942 D DEM94942 D DE M94942D DE M0094942 D DEM0094942 D DE M0094942D DE 458380 C DE458380 C DE 458380C
- Authority
- DE
- Germany
- Prior art keywords
- cover
- mechanics
- contents
- held together
- loose
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F9/00—Filing appliances with devices clamping file edges; Covers with clamping backs
- B42F9/008—Filing appliances with devices clamping file edges; Covers with clamping backs with symmetrical generally U-shaped clamps
Landscapes
- Sheet Holders (AREA)
- Clamps And Clips (AREA)
Description
Mechanik für Loseblätterbücher, bei welchen Umschlag und Inhalt durch eine aus zwei ineinandersteckenden geschlitzten Hülsen bestehende Klammer zusammengehalten werden: Die Erfindung betrifft eine Mechanik für Loseblätterbücher, bei welchen Umschlag und Inhalt durch eine aus zwei ineinandersteckenden geschlitzten Hülsen bestehende Klammer zusammengehalten werden.Mechanics for loose leaf books, with which cover and content through held together by a clip consisting of two slotted sleeves that fit into one another are: The invention relates to a mechanism for loose leaf books in which Cover and contents through one of two slotted sleeves that fit into one another existing bracket are held together.
Bei den bekannten Anordnungen dieser Art ist nur die eine dieser Hülsen federnd, während die andere starr ist oder aus losen Teilen ohne Federkraft besteht.In the known arrangements of this type, only one of these sleeves is resilient, while the other is rigid or consists of loose parts without spring force.
Gemäß der Erfindung besitzt die innere Hülse nur eine geringe, die äußere oder äußeren aber eine wesentlich größere Federkraft, die jedoch nur auf einen Teil der Oberfläche der Innenklammer wirkt. Hierbei setzt sich also die Gesamtfederung aus der Federkraft der beiden Hülsen zusammen, von denen die stärker federnde schmaler ist als die schwächer federnde. Diese Anordnung hat den Vorteil, daß an dem Material der stärker federnden Klammer, z. B. Stahlblech, welches einen ziemlich hohen Herstellungspreis hat, gespart wird und andererseits die Gesamtfederkraft der zusammengesetzten Klammerhülse den Anforderungen entsprechend geregelt werden kann, während bei der Herstellung aus einem Stück Stahlblech selbst bei Verwendung allerfeinsten Stahlblechs von geringsten Abmessungen die Klammer zu steif wird, so daß sich stärkere Papierblöcke, z. B. 5o Blatt, nur mit großer Mühe in die Klammer einschieben lassen und andererseits sehr dünne Papierblöcke keinen Halt mehr finden.According to the invention, the inner sleeve has only a small one outer or outer but a much larger spring force, which however only on part of the surface of the inner bracket acts. This is where the overall suspension settles from the spring force of the two sleeves together, of which the more resilient one is narrower is less resilient than the one. This arrangement has the advantage that on the material the more resilient bracket, e.g. B. sheet steel, which has a fairly high manufacturing price has, is saved and on the other hand the total spring force of the assembled clamp sleeve can be regulated according to requirements while in production from a piece of sheet steel even when using the finest sheet steel of the smallest Dimensions the clamp is too stiff, so that thick paper blocks, e.g. B. 5o sheet, only with great effort can be pushed into the clamp and on the other hand very thin paper blocks can no longer find a hold.
Die Klemmhülse gemäß der Erfindung kann in der Weise hergestellt werden, daß der Innenteil aus einer offenen langen Hülse aus Celluloid, Cellon, Hartgummi, Karton, Fiber oder weniger elastischem Metallblech besteht, während der Außenteil aus einer oder mehreren verhältnismäßig schmalen Stahlklammern gebildet ist. Die beiden Klammerteile können mechanisch miteinander verbunden sein.The clamping sleeve according to the invention can be manufactured in such a way that the inner part consists of an open long sleeve made of celluloid, cellon, hard rubber, Cardboard, fiber or less elastic sheet metal is made while the outer part is formed from one or more relatively narrow steel brackets. the both clamp parts can be mechanically connected to one another.
Auf der Zeichnung sind zwei Ausführungsformen der Erfindung dargestellt, und zwar zeigt Abb. i eine schaubildliche Ansicht der Klemmhülse nach der Erfindung, Abb.2 einen Querschnitt, Abb. 3 den Querschnitt der anderen Ausführungsform.Two embodiments of the invention are shown in the drawing, namely Fig. i shows a perspective view of the clamping sleeve according to the invention, Fig.2 a cross section, Fig. 3 the cross section of the other embodiment.
Bei der ersten Ausführungsform nach Abb. i und 2 besteht die Hülse aus einer inneren längeren Hülse i und den auf dieser aufgesteckten Federklammern 2. Die innere Klemmschale besteht aus einem wenig federnden Stoff, wie Celluloid, Messingblech o. dgl., mit einem nach außen zurückgebogenen Rande q., unter welchen die Federn 2 gedeckt eingreifen. Hier besitzt nicht nur die lange Innenhülse i eine wenn auch schwache Elastizität, sondern es tritt hierzu noch die starke Elastizität der Stahlfedern 2, welche aus einfachen aufgeschnittenen schmalen Stahlringen bestehen können und daher verhältnismäßig wohlfeil sind. Die innere Hülse kann Löcher 3 zur Befestigung an dem Buchrücken erhalten.In the first embodiment according to Fig. I and 2, there is a sleeve from an inner, longer sleeve i and the spring clips attached to it 2. The inner clamping shell is made of a less resilient material, such as celluloid, Brass sheet o. The like, with an outwardly bent back edge q., Under which the springs 2 engage covered. Here not only the long inner sleeve i has one even if weak elasticity, but there is also strong elasticity the steel springs 2, which consist of simple cut open narrow steel rings can and are therefore relatively cheap. The inner sleeve can have holes 3 for Received attachment to the spine of the book.
Bei der Ausführungsform nach Abb.2 liegt die biegsame, schwach elastische längere Klammer ja außen, und die hoch elastischen schmalen Klammern 2a liegen innen und werden durch die nach innen zurückgebogenen Ränder q. a der Hülse ja eingeschlossen. Bei dieser Ausführungsform sind die eingelegten Klammern 211 vollständig verborgen und werden sicher festgehalten.In the embodiment according to Fig.2, the flexible, weakly elastic one lies longer clip yes on the outside, and the highly elastic narrow clips 2a are on the inside and are by the inwardly turned back edges q. a of the sleeve yes included. In this embodiment, the inserted brackets 211 are completely hidden and are held securely.
Bei beiden Ausführungsformen kann die Klemmhülse auf den Umschlag des Buches einfach durch Aufschieben auf den Rücken aufgebracht und durch Reibung festgehalten werden, sie aber außerdem noch mittels der Befestigungslöcher 3 mit dem Rücken des Buchumschlages z. B. durch Splinte, Vernieten oder Vernähen verbunden werden.In both embodiments, the clamping sleeve can be on the envelope of the book simply applied by sliding it onto the spine and by rubbing it are held, but they also still by means of the mounting holes 3 with the back of the book cover z. B. connected by split pins, rivets or sewing will.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM94942D DE458380C (en) | Mechanics for loose-leaf books, in which the cover and contents are held together by a clip consisting of two nested sleeves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM94942D DE458380C (en) | Mechanics for loose-leaf books, in which the cover and contents are held together by a clip consisting of two nested sleeves |
Publications (1)
Publication Number | Publication Date |
---|---|
DE458380C true DE458380C (en) | 1928-04-05 |
Family
ID=7322835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM94942D Expired DE458380C (en) | Mechanics for loose-leaf books, in which the cover and contents are held together by a clip consisting of two nested sleeves |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE458380C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE937643C (en) * | 1952-01-16 | 1956-01-12 | Artur Irmscher | Holder for newspapers, magazines or the like. |
-
0
- DE DEM94942D patent/DE458380C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE937643C (en) * | 1952-01-16 | 1956-01-12 | Artur Irmscher | Holder for newspapers, magazines or the like. |
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