JPS5937091Y2 - Picture frame back plate holder - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a back plate presser for picture frames that uses a back spring.

A back plate presser using a leaf spring is used to press down the back plate with the elastic force of the spring when there is a space between the back piece of the bone-like bone and the back plate by interposing it between them. usually used for

However, the corner f of the picture frame is L where the vertical and transverse bones are combined.
Because the letter-shaped connector is installed inside, the back plate presser can hold one connector, so it was not possible to use the presser at the corner to hold the back plate at that point.

In addition, conventional back plate holders of this type were fixed by, for example, sharpening the tip of the spring and sticking the tip into the back plate, making it difficult to attach it against the elastic force of the spring. Not only that, but it is dangerous to handle because it may pop out repulsively, and it also has drawbacks such as damaging the back plate.

There are also some that are combined with osteoid to stabilize them so that they do not come off, but this has the disadvantage of making the structure complicated and making handling even more troublesome.

The present invention solves the above-mentioned drawbacks, and not only can it be installed at the corner of the picture frame, but also allows the installation and removal of the leaf spring to be done safely and easily, and is in a stable state compared to the bone-like structure. It is an object of the present invention to provide a back plate presser that can be engaged with and securely fix the back plate.

Next, an embodiment of the present invention will be described based on the drawings.

Fig. 1 is a perspective view showing the back plate presser of the present invention, Fig. 2 is a plan view of the presser, Fig. 3 is a front view, and Fig. 4 is a partial perspective view of the frame showing how the presser is used. Figure, Figure 5 is Figure 4
- It is an enlarged cross-sectional view in the direction of the X-ray arrow.

1 to 3. As shown in FIGS. 1 to 3, the presser A of the present invention has a band-shaped plate spring curved to form an arcuate portion 1, and both ends 2a and 2b bent outward. Part 2
A, 2b are provided with a pair of protrusions 3, 3' on the opposite side t of the arcuate portion 1, respectively.

Both protrusions 3, 3' have a hemispherical shape, and the back surface parts 6 of the osteoids 4, 5
It is t-shaped so as to sandwich the front side protrusion 7 which is provided on the side.

In other words, the positional relationship between the two protrusions 3 and 3' is difficult because the presser A is attached across the crisscross bones 4 and 5 at the corner 1 of the forehead extension B, as will be described later. 3,
Is it desirable to provide the outer protrusion 3' at an inclination angle of 45 degrees with respect to the inner protrusion 3 so that the protrusions T can be sandwiched in opposition to each other? Approximately 45 degrees, considering the case where the
The angle of inclination is half of that in the θ direction.

Therefore, the distance between the protrusions 3 and 3' is smaller than the thickness of the protrusion 7.
It's wide.

In addition, both end portions 2a and 2bl have a cutout edge 8°8 inclined at an angle of approximately 45 degrees with respect to the longitudinal direction of the leaf spring at the inner corner, and one end portion 2bl has a cutout edge 8°8 in the opposite direction to the notch edge 8. A piece-shaped knob 9 is provided protrudingly, and a hole 10 is provided in the knob 9.

Next, the osteoid parts 4 and 5 of the picture frame B are attached to the side wall 11 and the back part 6.
and a longer surface piece 12 is provided, and the back piece 6 is bent back so as to form a front-facing protrusion 7 above the tip I, and the surface piece 121 is bent so as to A projecting piece 13 is provided opposite to the portion 1.

The back plate 14 is supported by the surface piece 12 and the protruding piece 13, and is spaced from the back plate 14 by an inch.

Furthermore, an L-shaped connector 15 is installed in the corner portion of the frame B.

The embodiment of the present invention is as described above, and the presser A can be attached across the vertical and horizontal jawbones 4 and 51 at the corners of the picture frame B.

In that case, hold the knob 9 of the presser A and insert the end opposite to the knob 9 of the presser A into one of the adjacent ribs 4. Insert the part 2a and press the protrusion 3
, 3' are hooked onto the protrusion 71 of the osteoid 4, and then the arcuate part 1
While pressing against the back plate 141, against the elasticity of the spring, insert the end portion 2b of the knob 9 into the other osteoid insertion protrusion 3.
3' onto the protrusion I.

In this way, the presser A has protrusions 3.3' on both ends 2a and 2b.
Since these are separately hooked onto the projections 1 of the ribs 4 and 5, the operation is reliable and extremely simple.

That is, when one end 2a is hooked on the protrusion 7, there is no need to apply any force, and when the other end 2b is hooked, there is no need to apply any force when passing the protrusions 3, 3' under the protrusion 7. Since you only need to apply a little extra force, work efficiency is extremely high.

When the presser A is attached, both ends 2a and 2b come into pressure contact with the protrusions 71 of the osteoid 4 and 5, so that the protrusions 3゜3'
The engagement with the protruding strip 1 is maintained, and the back plate 14 is stably pressed and fixed.

Further, when removing the presser A, it is sufficient to simply press the knob 9 and remove the one end portion 2b.Furthermore, the presser A of the present invention can also be attached along each of the bones 4 and 5.

In this case, both ends 2a. The protrusions 3 and 3' of 2b hook onto the protrusion 7f of the same osteoid 4 or 5,
The installation and removal operations are the same as in the previous case.

The notch edges 8 of both ends 2a and 2b form the vertical and horizontal jawbones 4,
When installing across 51 parts, both ends 2a + 2b
The corner f)'3 is formed to prevent the side walls 111 of the forehead bones 4, 5 from coming into contact with each other.

Further, the presser A can be formed by integrally molding one trowel from one piece of spring steel material or synthetic resin material (polyacetal resin, polycarbonate resin, polyamide resin, etc.).

Further, for the purpose of reinforcing the leaf spring itself, a concave or convex shape can be appropriately formed on the surface of the leaf spring.

As described above, according to the present invention, since the presser is attached across the longitudinal and transverse bones, the L-shaped connector t
One corner of the osteoid can be attached without any hindrance, and the back plate can be held down by that corner.

In addition, since the presser presses and fixes the back plate with its arcuate part, it not only prevents the back plate from being damaged, but also allows the protrusion at the end to be hooked to the protrusion of the osteoid, and only the other end is held in place by the spring. It can be attached with an extremely simple operation of inserting the rib while pressing against the elasticity and passing the protrusion under the protrusion, and conversely, it can be easily removed by removing only one end. You can also do it.

In either case, the operation of hooking and unhooking both ends from the protrusion is done separately on both ends, so there is plenty of work time and there is no chance of accidentally causing the ends to jump due to the elastic force of the spring. It's safe.

Further, since the engagement of the protrusion with the protrusion is maintained by the elasticity of the spring, stable attachment can be achieved and the back plate can be securely fixed.

Furthermore, the structure is extremely simple, and the protrusions can be easily formed by press working, making it suitable for mass production.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the back plate presser of the present invention, FIG. 2 is a plan view of the presser, and FIG. 3 is a front view of the presser.
FIG. 4 is a partial perspective view of the frame showing how the presser is used, and FIG. 5 is an enlarged sectional view taken along the line X--X in FIG. A... Presser, B... Picture frame, 1...
... Arcuate part of the presser, 2a, 2b ... Both ends, 3, 3' ... Protrusion, 4.5 ... Osteoid, 6 ... ...Back piece, T... Projection, 8
...notch edge, 9... knob, 14...
... Back plate, 15... Connector.

Claims (1)

[Claims for Utility Model Registration] 1) A band-shaped plate spring is curved to form an arcuate part, and both ends are bent outward, and both ends have an osteoid on the side opposite to the arcuate part. A picture frame back plate presser provided with a protrusion that engages with the front-facing protrusion of the back piece. 2) The back plate presser for a picture frame as set forth in claim 1 of the utility model registration claim, characterized in that a knob is protruding from the end. 3) A back plate presser for a picture frame according to claim 1 or 2 of the utility model registration claim, characterized in that notched edges are formed at the corners of both ends.