DE64292C - school board - Google Patents

school board

Info

Publication number
DE64292C
DE64292C DENDAT64292D DE64292DA DE64292C DE 64292 C DE64292 C DE 64292C DE NDAT64292 D DENDAT64292 D DE NDAT64292D DE 64292D A DE64292D A DE 64292DA DE 64292 C DE64292 C DE 64292C
Authority
DE
Germany
Prior art keywords
school board
school
school blackboard
blackboard
turnbuckles
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 - Lifetime
Application number
DENDAT64292D
Other languages
German (de)
Original Assignee
A. SlEBURG in Hannover—Körtingsdorf
Publication of DE64292C publication Critical patent/DE64292C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A47B97/04—Easels or stands for blackboards or the like

Landscapes

  • Drawing Aids And Blackboards (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (2)

Patent-Ansprüche:Patent Claims: ι . Eine Schultafel, bei welcher in Scharnieren bewegliche Klappen (a und b) nebst Hebelarmen (c) und Verbindungsstangen (d) derart angebracht sind, dafs durch Abwärtsbewegen von α und hierdurch bewirktes gleichzeitiges Aufwärtsbewegen von b die Herstellung eines Tischchens, sowie die Vergröfserung der Schreibfläche bewirkt wird.ι. A school blackboard with hinged flaps (a and b) together with lever arms (c) and connecting rods (d) in such a way that by moving α downwards and thereby simultaneously moving upwards b, a table is made and the writing surface is enlarged is effected. 2. An der unter 1. gekennzeichneten Schultafel die Anordnung von mit Bohrungen versehenen Vorreibern (f) zwecks Aufnahme einer, verschiebbare
tragenden Stange (g). 2. On the school blackboard marked under 1. the arrangement of drilled sash turnbuckles (f) for the purpose of receiving a sliding one
supporting rod (g). Aufhängehaken (h) Hanging hook (h)
DENDAT64292D school board Expired - Lifetime DE64292C (en)

Publications (1)

Publication Number Publication Date
DE64292C true DE64292C (en)

Family

ID=338172

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT64292D Expired - Lifetime DE64292C (en) school board

Country Status (1)

Country Link
DE (1) DE64292C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017709A (en) * 1974-02-13 1977-04-12 Kobe Steel Ltd. Arc welding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017709A (en) * 1974-02-13 1977-04-12 Kobe Steel Ltd. Arc welding machine

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