JPH05289624A - Bulletin board - Google Patents

Abstract

PURPOSE:To stably hang a bulletin board on a wall for use. CONSTITUTION:The bulletin board is formed by fitting edge frames to the four edges of a rectangular board 1; and the upper edge frames 3 and 3 fitted to both the upper and lower edges are made narrower than the left and right edge frames 2 and 2 fitted to both the left and right edges, and rail grooves 7 and 7 which slidably support the engagement pieces 14 of metallic wall fittings 11 are formed in the front and rear flanks of the upper and lower edge frames 3 and 3 or upper edge frame 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bulletin board mainly used for wall-mounting, and can also be used for a blackboard.

[0002]

2. Description of the Related Art Generally, a bulletin board has edge frames attached to four side edges of a board, and the edge frames are formed to have the same width by using the same width for the four side edges. ing.

[0003]

In order to use the conventional bulletin board in which the edge frames of the same width are attached to the four side edges in this way as a wall hanging, a wall hanging metal fitting is usually hooked on the upper edge frame, It is designed to be attached to the wall via the wall-mounting metal fittings. If the wall-mounting metal fittings are attached to the back side of the edge frame so that they cannot be seen from the front of the bulletin board, the bulletin board will be lifted from the wall by the thickness of the wall-mounting metal fittings. There was a problem that it was not vertical and could only be installed in an unstable state. Therefore, an object of the present invention is to provide a bulletin board that solves such problems.

[0004]

According to the bulletin board of the present invention, the width of the upper and lower edge frames attached to the upper and lower side edges of the board is made narrower than the width of the left and right edge frames attached to the left and right side edges, and the upper and lower edge frames are the same. Alternatively, the upper edge frame is provided with rail grooves on the front and rear sides thereof so as to slidably support the locking pieces provided on the wall fittings.

[0005]

In the wall-mounting metal fitting in which the locking pieces are hooked on the rail groove on the back side of the rail groove provided only on the upper and lower edge frames or the upper edge frame, the upper and lower edge frames are formed to be narrower than the width of the left and right edge frames. so,
With the left and right edge frames in contact with the wall, the left and right edge frames fit within the gap between the upper and lower edge frames, and the bulletin board can be stably and vertically hung on the wall with the left and right edge frames in contact with the wall. it can.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the figure, 1 is a horizontally long rectangular board, and this board can be used on both sides and can be used for a blackboard. The right and left edge frames 2 and 2 and the upper and lower edge frames 3 and 3 are attached to the four side edges of the board 1 at right angles by connecting members 4.

As shown in FIG. 2, the left and right edge frames 2 and 2 are integrally formed by providing a sandwiching portion 6 of the board 1 on a flat side surface of a main body opening 5 formed of an elliptic pipe material having a flat cross section. The widths of the left and right edge frames 2 and 2 are formed to be twice the width of the sandwiched portion.

On the other hand, the sandwiching portions 6'of the upper and lower edge frames 3 and 3 are formed to have the same width as the sandwiching portion 6 of the main body opening 5, that is, the width of half of the left and right edge frames 2 and 2. To be done. Then, rail grooves 7, 7 having slit-shaped openings are horizontally formed on both front and rear sides of the main body opening 5'of the upper and lower edge frames 3, 3. Each of the edge frames 2 and 3 is formed into a long length by drawing and molding an aluminum material.

The connecting member 4 has a right-angled side surface, and has a sandwiching portion 8 for sandwiching a corner portion of the board formed inside thereof, and an insertion portion for fitting into the main body portion 5 of the left and right edge frame 2 at one outer end thereof. The section 9 is provided with an elliptical cross section, and the other end on the outer side is inserted into the main body opening 5 ′ of the upper and lower edge frame 3 so as to have a cross section.
It is formed integrally with a synthetic resin material by projecting 0.

In FIG. 3, reference numeral 11 denotes a wall-mounting metal fitting, which is formed by bending one end of a flat plate 13 having a nail hole 12 and providing a locking piece 14 having a T-shaped cross section in the end thereof. Then, the horizontal piece 14a of the locking piece 14 is brought into sliding contact with the slit-shaped opening provided on the back surface of the upper edge frame 3, and the vertical piece 14b at the tip of the locking piece 14 is exposed to the rail groove 7. Then, it is mounted in the rail groove 7 of the upper edge frame 3, but the mounting is performed by inserting the vertical piece 14b of the wall hanging metal fitting 11 into the rail groove 7 from one end of the upper edge frame 3 and sliding it to an appropriate position. .. After mounting the wall-mounting metal fitting 11 in the rail groove 7 of the upper edge frame 3 in this manner, the right and left edge frames 2 and 2 and the upper and lower edge frames 3 and 3 are connected by the connecting members 4 at right angles.

When the wall-mounting metal fitting 11 is mounted in the rail groove 7 so that the locking piece 14 is mounted on the rail groove 7, the entire wall-mounting metal fitting 11 is hidden behind the bulletin board as shown in FIG. Mounted. Then, the nail board 12 is attached by hooking the nail holes 12 provided on the flat plate 13 to the nails 16 driven into the wall 15. In this case, the wall-mounting metal fitting 11 does not spoil the beauty of the back of the board 1 of the bulletin board. Also, the locking piece 1
If it is installed so that 4 is on the bottom, as shown in FIG.
4 is exposed above the bulletin board. In this case, the wall mount 1
This can be done while visually confirming that the nail hole 12 of No. 1 is hooked to the nail 16, but the wall-hanging metal fitting 11 is exposed above the board 1 of the bulletin board.

As described above, in any of the cases shown in FIGS. 4 and 5, the wall fitting 11 mounted on the upper edge frame 3 is narrower than the left and right edge frames 2 in the state where the left and right edge frames 2 are in contact with the wall 15. The bulletin board is placed between the upper edge frame 3 and the wall 15, so that the bulletin board is hung in a stable state in which the entire back sides of the left and right edge frames 2 and 2 are in contact with the wall 15 and also kept vertically. Further in this state, the vertical piece 1 provided at the tip of the locking piece 14 of the wall-mounted metal fitting 11
The back surface of 4 comes into close contact with the inside of the slit-shaped opening of the rail groove 7 of the upper edge frame 3, and stops the upper edge frame 3 in a play-free state.

A notch 17 having a size into which the locking piece 14 of the wall fitting 11 can be inserted is provided in a part of the rail groove 7 having a slit-like opening on the rear surface of the upper edge frame 3, and the wall hook is provided from this notch 17. When the vertical piece 14b of the locking piece 14 of the metal fitting 11 is inserted and the horizontal piece 14a of the locking piece 14 is locked in the rail groove 7 and slid sideways, the upper and lower edge frames 3 and the left and right edge frames 2 Even if the metal fittings are connected, the wall fitting 1
I can wear 1 and is in good condition.

8 is not a wall-mounted type, but an embodiment in which a bulletin board is supported by caster-supporting legs 18 so that the bulletin board can be used movably, and an upright supporting rod 19, A fastener 20 is attached to the upper end of 19, and the fastener 20 is fastened to the left and right edge frames 2 and 2, respectively, so that the bulletin board is maintained upright. In this embodiment, since the side walls of the left and right edge frames 2 and 2 are formed wide as shown in FIG. 2, the tightening by the tightening tool 20 can be sufficiently performed. Further, a tray 21 for accommodating a writing instrument or the like can be attached to the rail groove 7 on the front surface side of the lower edge frame 3.

[0015]

As described above, the bulletin board of the present invention is
Of the edge frames that are attached to the four side edges of the board, the width of the upper and lower edge frames is made narrower than the width of the left and right edge frames, and the rail groove on the back side of the rail groove provided on the upper and lower edge frames that are narrower is mounted on the wall. Since the locking piece of is slidably supported,
The wall fitting fits in the gap between the upper and lower edge frames and the wall,
Since the left and right edge frames of the bulletin board are in contact with the wall in a stable state, and can be hung on the wall while keeping it vertical, depending on the method of mounting the wall bracket, the wall bracket can be relaxed on the back side of the board for a beautiful appearance. The bulletin board can be attached to any place such as a reception room because it will not be damaged.

[Brief description of drawings]

FIG. 1 is a perspective view of a bulletin board.

FIG. 2 is an exploded perspective view of members constituting a main part of the present invention.

FIG. 3 is a perspective view of a wall fitting.

FIG. 4 is a sectional view showing how the bulletin board of the present invention is used.

FIG. 5 is a cross-sectional view showing a usage state of a bulletin board in which the orientation of the wall hanging metal fitting is changed from that of FIG.

FIG. 6 is a plan view of FIG.

7 is a plan sectional view of FIG.

FIG. 8 is a perspective view of the bulletin board supported by caster-supporting legs.

FIG. 9 is an exploded perspective view of essential parts showing the back surface of another embodiment of the present invention.

[Explanation of symbols]

 1 board 2,2 left and right edge frame 3,3 upper and lower edge frame 7,7 rail groove 11 wall mounting metal fitting 14 locking piece 17 notch

Claims (2)

[Claims] 1. In a bulletin board formed by attaching edge frames to four side edges of a rectangular board, the width of the upper and lower edge frames attached to the upper and lower side edges of the edge frame is equal to the width of the left and right edge frames attached to the left and right side edges. A bulletin board which is formed to be narrower than a width, and rail grooves for slidably supporting a locking piece provided on a wall hanging metal fitting are formed on front and rear side surfaces of the upper and lower edge frames or the upper edge frame. 2. The bulletin board according to claim 1, wherein a notch is provided along the opening edge of the rail groove provided on the back surface of the upper edge frame, into which the locking piece of the wall hanging metal fitting can be inserted.