RU4938U1 - BLACKBOARD - Google Patents

Description

. K, 1 A G (, G N A I BOARD

The invention relates to teaching aids and is intended to record information with the weakness of a chalk or felt-tip pen.

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BOARDS FOR writing on pat. France i 053 368, containing one panel for recording information, n |) and more 1 base

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made of wood or chipboard. .

The disadvantage is the large weight and small amount of information that can be placed on the board.

JfeBeCTHa board at the request of the Russian Federation L 93 051 563 with a positive decision / prototype /.

This board contains three panels: the center and two side. Sheets for drawing notes are glued to the base of chipboard.

Disadvantages ; high weight and cost of the board.

The goal of creating a useful model is to reduce weight

® board value.

This is achieved by the fact that the central and side panels are three-layered, with the central panel consisting of a base, a protective sheet and a sheet for application of deposits, and the side panels are made of a base and two sheets for applying a spar. Antsnv p

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Protective SHEET and pre-recorded sheets

EXECUTE from a very thin sheet of steel with 9malev1, || osh) | 1chem. .a basis - from a thin sheet of chipboard ..

As shown by patent research, the proposed blackboard has novelty.

The proposed board is applicable for finished production, as can be made of nondifium | Exact materials using 43.1 / 04

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-; calling nedifitszhtnyus materials and simple technologies.

The essence of the utility model is illustrated in the drawings / Fig. 1..3 /; .where ;:,:. . . ,:. ; ; . .,.;,, in FIG. 1 shows a board assembly,

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in FIG. 2 - air force, in FIG. 3 - view BB.

The blackboard contains a central panel 1, two side panels 2 and 3 connected to a central hinge 4. Around the perimeter

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all panels are bordered by a U-shaped profile 5, at least one tray 6 for collecting chalk dust is installed under the board.

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All three-layer, moreover, central / Fig. 1 / contains the base 1 f protective sheet 2 and the sheet for recording 3, and the side - the base 2 and two sheets 8 for recording. Sheet 8 is best made from enameled steel. When excluding boards:

The information is applied to all Three panels, then, sideways, panels 2 and 3 are turned around their axes in a loop / fil. 1 / and

put notes on the other side. Chalk pzhl is collected in tray 6. If necessary, a sheet of paper or a poster can be attached to the board using magnets. Benefits of the utility model:

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1.Lighter weight due to the use of thin sheets of base and sheets for applying casserole.

2. Lower cost compared to aluminum anodic coated aluminum boards.

3. The ability to attach posters magstar. ,

4. Durability, at the expense of 1 Coatings.

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Head of Patent Odd 1 | ,,, yz4 N, B. Bolotin Avtoi:

Claims (2)

1. A blackboard containing a central panel and side panels pivotally connected to it, bordered by U-shaped profiles, characterized in that all panels are made of three layers, the central one of a base, a protective sheet and a sheet for recording, and the side of basis and two sheets for drawing notes. 2. The board according to claim 1, characterized in that the sheets for writing are made of steel with enamel coating.