JPH0119887Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Technical field] The present invention relates to a chair.

[Background Art] Since a chair generally has four legs, it requires a large number of parts and is troublesome to assemble. Attempts have been made to form a chair with three legs, but this poses a problem of poor stability.

[Purpose of the invention] The present invention was made in view of the above points, and the purpose is to provide a chair with three legs that is easy to assemble and has good stability. be.

[Disclosure of the invention] That is, the present invention provides an umbrella tree 2 having a U-shaped top surface above the sled leg 1 having a U-shape top surface, and a structure between both ends of the sled leg 1 and both ends of the umbrella tree 2, Between the center part of leg 1 and the center part of umbrella tree 2 are legs 3, 3, 3, respectively.
are mounted on top and bottom, an architrave 4 is constructed between the three legs 3 at approximately the center of the top and bottom of these three legs 3, and a seat is formed by hollowing out concentric semicircle shapes from a board with a semicylindrical top surface shape. The plate 5 is placed on the architrave 4, and the architrave 4 is placed so that the center part of the U-shaped edge and both ends of the linear edge of each plate of the hollowed-out seat plate 5 are placed on the architrave 4. The above objective has been achieved by a chair in which the following are arranged.

The present invention will be explained in detail below with reference to Examples. As shown in FIG. 1, the slotted legs 1 are formed into a U-shape on the upper surface, and the umbrella tree 2 is also formed in substantially the same shape as the slotted legs 1 and has a U-shaped upper surface. The umbrella tree 2 is arranged above the pick-up leg 1 and tilted slightly forward, and there is a gap between both ends of the pick-up leg 1 and both ends of the umbrella pick-up 2, and between the center of the pick-up leg 1 and the center of the umbrella pick 2. Legs 3, 3, 3 are attached between them, respectively. Anti-slip devices 8 are attached to the lower surface of the slide leg 1 at appropriate positions. Further, an architrave 4 is installed between each leg 3 at approximately the center of the upper and lower legs 3. In the embodiment shown in FIG. 1, the architrave 4 includes a front architrave 4a and a horizontal architrave 4b.
Using a diagonal architrave 4c and a diagonal architrave, a front architrave 4a is erected on the legs 3, 3 at approximately the center of the two legs 3 attached between both ends of the umbrella tree 2 and both ends of the slotted leg 1. A horizontal architrave 4b is constructed between the center part of the front architrave 4a and the other legs 3, and an oblique architrave 4c is constructed between the front architrave 4a and the horizontal architrave 4b. A seat plate 5 is mounted on this architrave 4. As shown in FIG. 2, the seat plate 5 has a semicylindrical outer shape on the upper surface, and is provided with a leg insertion hole 9. The seat plate 5 is formed by concentrically hollowing out a semi-cylindrical plate on the top surface, and includes a plurality of similar-shaped plates 5a,
5b... When this seat plate 5 is placed on the architrave 4, each plate 5a, 5b...
Accordingly, both ends of the linear portion at the front thereof are fixed by three-point support by the diagonal architraves 4c, 4c. By supporting the hollowed-out seat plate 5 at three points, the seat plate 5 itself is provided with appropriate cushioning properties, thereby improving sitting comfort.

However, in manufacturing this chair,
The chair is assembled by connecting the three legs 3, architrave 4, umbrella tree 2, pick-up legs 1, and seat plate 5, but the number of legs 3 is smaller than in conventional chairs, making assembly easier. It is easy to use, has a simple and clean appearance, and has an excellent design. In addition, since the U-shaped sliding legs 1 are attached to the lower part of the chair, there is no possibility that the sliding legs 1 provided on the lower surface of the chair will hit the floor 10 and cause the chair to fall over. be. That is, since the slide legs 1 are disposed on the outer periphery of the lower surface of the chair, they function as legs and increase the stability of the chair.

FIG. 3 shows another embodiment of the present invention, in which the architrave 4 installed on the front architrave 4a is a curved architrave that is a combination of the horizontal architrave 4b and the diagonal architrave 4c shown in FIG. A curved architrave 4d having a section is used to support the hollowed-out seat plate 5 at three points in the same manner as in the embodiment shown in FIG.

[Effects of the invention] As described above, the present invention provides an umbrella tree having a U-shaped upper surface above the sled leg having a U-shaped upper surface, and a space between both ends of the suri leg and both ends of the umbrella tree and the sled leg. Attach legs vertically between the central part of the umbrella and the central part of the umbrella tree, install an architrave between the three legs approximately in the vertical center of these three legs, and place the seat plate on the architrave. Because of this, there is no need to use four legs like in the past, but only three legs.
The number of parts is reduced and assembly is easy, and since the sliding legs are formed in a U-shape, the sliding legs are placed around the outer periphery of the underside of the chair, so that the underside of the chair can be easily assembled. The stability of the chair can also be improved because the slat legs provided on the outer periphery touch the floor. In addition, a seat board formed by hollowing out concentric semicircle shapes from a board with a semi-cylindrical top surface shape is placed on the architrave, and the central part of the U-shaped edge and both ends of the linear edge of each hollowed board of the seat board are placed on the architrave. Since the architrave is arranged so that the parts are placed on the architrave, the hollowed-out seat plate is supported at three points, giving the seat plate appropriate cushioning properties. It can improve sitting comfort.

[Brief explanation of the drawing]

Figures 1 a, b, and c are a front view, plan view, and side view of an embodiment of the present invention, Figure 2 is a plan view showing the outer shape of the seat plate as above, and Figure 3 a, b, and c are the same as above. FIG. 7 is a front view, a plan view, and a side view of another embodiment of the invention. 1 is the pickpocket leg, 2 is the umbrella tree, 3 is the leg, 4 is the architrave, 5
is the seat board.

Claims (1)

[Scope of utility model registration request] An umbrella tree with a U-shaped top surface is arranged above the U-shaped top surface of the suri leg, and a leg is placed between both ends of the suri leg and both ends of the umbrella tree, and between the center part of the suri leg and the center part of the umbrella tree. are mounted on top and bottom, an architrave is constructed between the three legs at approximately the center of the top and bottom of these three legs, and a seat board formed by hollowing out concentric semicircle shapes from a board with a semicircular top surface shape is used as a base. This chair is placed on a ring and has an architrave arranged so that the central part of the U-shaped edge and both ends of the linear edge of each hollowed-out seat plate are placed on the architrave.