DE549323C - School blackboard - Google Patents
School blackboardInfo
- Publication number
- DE549323C DE549323C DEO17624D DEO0017624D DE549323C DE 549323 C DE549323 C DE 549323C DE O17624 D DEO17624 D DE O17624D DE O0017624 D DEO0017624 D DE O0017624D DE 549323 C DE549323 C DE 549323C
- Authority
- DE
- Germany
- Prior art keywords
- frame
- blackboard
- school blackboard
- writing surface
- school
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/001—Wall mounting or suspension arrangements for blackboards or the like
Description
Es sind bereits " Wandtafeln bekannt, bei denen die Führungen an der Rückseite der Schreibplatte angebracht sind und diese in der tiefsten Stellung nicht überragten, während bei hochgeschobener Schreibplatte die Führungsmittel hinter einer kastenartigen Umkleidung verdeckt liegen. Diese Umkleidung verteuert unnötig die Wandtafel und bildet eine Sammelstelle für Staub, die der Reinigung nur schlecht zugänglich ist.There are already "blackboards known in which the guides on the back are attached to the writing surface and not tower above them in the lowest position, while When the writing surface is pushed up, the guide means behind a box-like casing lie face down. This cladding makes the blackboard unnecessarily expensive and forms a collection point for dust that is necessary for cleaning is difficult to access.
Gegenstand der Erfindung ist eine Wandtafel, bei der sämtliche Mittel zur Führung in jeder Stellung der Schreibplatte hinter dieser verdeckt liegen, ohne daß sie in der Wand eingelassen oder durch eine besondere Verkleidung verdeckt werden.-The invention relates to a blackboard in which all means for guidance in any position of the writing plate are hidden behind this without them in the Recessed into the wall or covered by a special cladding.
In der Zeichnung ist der Erfindungsgegenständ in einem Ausführungsbeispiel dargestellt, und zwar zeigen:In the drawing, the subject matter of the invention is shown in an exemplary embodiment, namely show:
Abb. ι eine Ansicht der auf gehängten Tafel, Abb. 2 die Anordnung eines Führungsrollenpaares in Draufsicht und größerem Maßstabe, Fig. Ι a view of the hanging board, Fig. 2 the arrangement of a pair of guide rollers in plan view and on a larger scale,
Abb. 3 eine Ansicht der bis zum Boden heruntergeschobenen Wandtafel,Fig. 3 is a view of the blackboard pushed down to the floor,
Abb. 4 die Befestigungsstelle einer Schere an der Wandtafel in Seitenansicht und größerem Maßstabe undFig. 4 the attachment point of a pair of scissors to the blackboard in side view and larger Scale and
Abb. 5 die Befestigungsstelle 'einer Schere an dem Rahmen in Seitenansicht und größerem Maßstabe.Fig. 5 the attachment point 'of a pair of scissors on the frame in side view and larger Scale.
Der Rahmen α mit den Führungsrollenpaaren b ist an der Wand c in irgendeiner Weise befestigt, während sich die Tafeln? mit ihren Leisten e zwischen den· Rollenpaaren b führt. Die Verbindungsmittel zum Zwecke der Verschiebung der Tafel bilden die Nürnbergerscheren /, die an Achsen g am Rahmen α und an Achsen h ,an der Tafel d befestigt sind. Zum Ausgleich des Tafelgewichts sind an den Scheren/ Gegengewichte/ vorgesehen, die für die Einstellung verschiebbar an den freien Scherenschenkeln angeordnet sind.The frame α with the pairs of guide rollers b is attached to the wall c in some way, while the panels? with their bars e between the pairs of rollers b . The connecting means for the purpose of moving the panel are the Nürnberg scissors /, which are attached to the frame α at axes g and to the panel d at axes h . To balance the weight of the table, the scissors / counterweights / are provided, which are slidably arranged on the free scissor legs for adjustment.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEO17624D DE549323C (en) | School blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEO17624D DE549323C (en) | School blackboard |
Publications (1)
Publication Number | Publication Date |
---|---|
DE549323C true DE549323C (en) | 1932-04-26 |
Family
ID=7354516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEO17624D Expired DE549323C (en) | School blackboard |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE549323C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0461091A1 (en) * | 1990-06-07 | 1991-12-11 | Massimiliano Bernard | Electrically adjustable easel |
-
0
- DE DEO17624D patent/DE549323C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0461091A1 (en) * | 1990-06-07 | 1991-12-11 | Massimiliano Bernard | Electrically adjustable easel |
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