DE525693C - Collapsible Russian adding machine - Google Patents

Collapsible Russian adding machine

Info

Publication number
DE525693C
DE525693C DEZ17515D DEZ0017515D DE525693C DE 525693 C DE525693 C DE 525693C DE Z17515 D DEZ17515 D DE Z17515D DE Z0017515 D DEZ0017515 D DE Z0017515D DE 525693 C DE525693 C DE 525693C
Authority
DE
Germany
Prior art keywords
russian
collapsible
parts
adding machine
aids
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
Application number
DEZ17515D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Priority to DEZ17515D priority Critical patent/DE525693C/en
Application granted granted Critical
Publication of DE525693C publication Critical patent/DE525693C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/02—Counting; Calculating

Description

Zusammenklappbare russische Rechenmaschine Die Erfindung betrifft eine zusammenklappbare russische Rechenmaschine.Collapsible Russian Calculating Machine The invention relates to a collapsible Russian adding machine.

Es sind bereits derartige Rechenmaschinen bekannt, die aus zwei gelenkig miteinander verbundenen Teilen bestehen, deren jeder fünf parallel zur Trennungskante der beiden Teile verlaufende Stäbe mit je zehn Zählkörpern trägt.There are already such calculating machines known, which consist of two articulated There are interconnected parts, each of which has five parallel to the separating edge of the two parts running bars with ten counters each.

Erfindungsgemäß ist nun bei einer derartigen zusammenklappbaren Rechenmaschine jeder der beiden gelenkig miteinander verbundenen Teile in an sich bei nichtzusammenklappbaren russischen Rechenmaschinen bekannter Weise als einseitig offenes, aus einem mit einer Deckplatte versehenen und die die Zählkörper tragenden Stäbe enthaltenden Rahmen bestehendes Kästchen ausgebildet und in jedem der letzteren neben den die Zählkörper tragenden Stäben ein zur Aufbewahrung von Rechenhilfsmitteln, z. B. Rechenmarken, Stäbchen, Rechenmünzen u.dgl., dienendes Fach angeordnet.According to the invention is now with such a collapsible calculating machine each of the two articulated parts in per se in non-collapsible Russian calculating machines are known as one-sided open, from one with provided with a cover plate and containing the bars carrying the counting body Frame existing box formed and in each of the latter next to the Counting body supporting rods a for the storage of arithmetic aids, z. B. Calculation marks, Chopsticks, calculating coins, etc., arranged serving compartment.

Gegenüber den bekannten zusammenklappbaren russischen Rechenmaschinen wird dadurch der Vorteil erzielt, daß die beiden gelenkig miteinander verbundenen Teile in zusammengeklapptem Zustande einen allseitig geschlossenen flachen Kasten bilden, der gleichzeitig zur Aufnahme von Rechenhilfsmitteln dienende Fächer enthält, so daß alles beim Rechenunterricht Erforderliche in einer Vorrichtung vereinigt und daher stets zur Hand ist.Compared to the well-known collapsible Russian calculating machines this has the advantage that the two are hingedly connected to one another When folded, share a flat box that is closed on all sides form, which at the same time contains compartments serving to accommodate arithmetic aids, so that everything required in arithmetic lessons is combined in one device and is therefore always at hand.

Der Gegenstand der Erfindung ist in der Zeichnung dargestellt.The object of the invention is shown in the drawing.

Claims (1)

PATENTANSPRUCH: Zusammenklappbare russische Rechenmaschine, aus zwei gelenkig miteinander verbundenen Teilen bestehend, deren jeder fünf parallel zur Trennungskante der beiden Teile verlaufende Stäbe mit je zehn Zählkörpern trägt, dadurch gekennzeichnet, daß jeder der beiden Teile in an sich bekannter Weise als ein aus einem mit einer Deckplatte versehenen Rahmen bestehendes, einseitig offenes Kästchen ausgebildet und in jedem der letzteren neben den die Zählkörper tragenden Stäben mindestens ein zur Aufbewahrung von Rechenhilfsmitteln (Rechenmarken, Stäbchen, Rechenmünzen u. dgl.) dienendes Fach angeordnet ist.PATENT CLAIM: Foldable Russian calculating machine, made of two articulated parts consisting of each five parallel to the The separating edge of the two parts carries running bars with ten counters each, characterized in that each of the two parts in a known manner as a frame that is provided with a cover plate and is open on one side Boxes formed and in each of the latter next to those carrying the counting body Sticks at least one for storing calculation aids (calculation marks, chopsticks, Computing coins and the like) serving compartment is arranged.
DEZ17515D Collapsible Russian adding machine Expired DE525693C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEZ17515D DE525693C (en) Collapsible Russian adding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ17515D DE525693C (en) Collapsible Russian adding machine

Publications (1)

Publication Number Publication Date
DE525693C true DE525693C (en) 1931-05-28

Family

ID=7624338

Family Applications (1)

Application Number Title Priority Date Filing Date
DEZ17515D Expired DE525693C (en) Collapsible Russian adding machine

Country Status (1)

Country Link
DE (1) DE525693C (en)

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