Pyjama top

Abstract

To provide an upper garment of a pajama worn during bedtime to facilitate rolling-over when sleeping, thus suppressing a deterioration in sleep quality.SOLUTION: An upper garment of a pajama 100 is composed of a body fabric made of a woven fabric, comprising a front body 110, a back body 120 and a sleeve part 130. The upper garment is designed in the following manner: (A) an armhole length AH is made longer in comparison with a shoulder width L(2); (B) a top edge of the armhole (shoulder tip 134) is dropped downward (as a drop shoulder type in which a shoulder line KL is directed largely downward (as shown by an outlined arrow in Fig. 1, the shoulder line KL is directed largely downward with respect to a horizontal line HL)); (C) an excess fabric in a body (front body 110 and back body 120) is reduced by narrowing a body width L(4) with respect to the shoulder width L(2) or by narrowing (shaping, etc.) a waist size W; and (D) the excess fabric in the sleeve part 130 is reduced by thinning the cuff by narrowing a cuff width L(3) with respect to a sleeve width L(1).SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a pajama top to be worn at bedtime, and more particularly to a pajama top that can facilitate turning over during sleep and suppress a decrease in sleep quality.

Background Art

[0002] It is known that during sleep, people often repeat turning over from their back to their side or from their side to their back many times. Specifically, in order to prevent excessive burden on a part of the body and achieve comfortable sleep, it is said that it is ideal to turn over about 20 times during one sleep. Generally, pajamas (referring to the pajama top unless otherwise specified below) have a somewhat loose design compared to shirts worn outdoors. When lying on the side, the excess fabric is likely to become resistance when turning over, leading to a decrease in sleep quality. In addition, loose pajamas are likely to have their sleeves and hems rolled up little by little due to movements during sleep. If the pajamas are rolled up, it is more likely to become resistance when turning over, which is considered to further lead to a decrease in sleep quality.

[0003] In response to such problems, a technique for suppressing factors that interfere with natural turning over by reducing the friction resistance between the pajamas being worn and the futon and thereby reducing the likelihood of the pajama top being caught by the futon is disclosed in Utility Model Registration No. 3183432 (Patent Document 1). The pajama top disclosed in this Patent Document 1 is a top having at least a front body part and a back body part, and the top is provided with a high-slip fabric member having a smooth surface on the outer fabric of the back body part. The high-slip fabric member is characterized in that at least the back of the collar, the left shoulder, the right shoulder, the left side, and the right side are sewn by sewing means.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, although the fabric material of the pajama top disclosed in Patent Document 1 described above is devised, the effect of suppressing the factors that interfere with turning over is not sufficient. Furthermore, there is a pajama on the market that has the armhole size designed (simply enlarged the armhole) to reduce the resistance of turning over, but this also does not have a sufficient effect of suppressing the factors that interfere with turning over.

[0006] The present invention has been developed in view of the above problems of the prior art, and its object is to provide a pajama top for wearing at bedtime, which can facilitate turning over during sleep and suppress a decrease in the quality of sleep.

Means for Solving the Problems

[0007] To achieve the above object, the pajama top according to the present invention takes the following technical means. That is, the pajama top according to the present invention is characterized in that the body fabric constituting the front body, the back body, and the sleeves is a woven fabric, and the ratio of the shoulder width to the armhole length is set to 1.1 to 1.21.

[0008] Preferably, the shoulder width can be configured to be set at 55 cm or more. More preferably, in a state where the pajama top is placed flat, the tangent line at the bottom of the underarm of the underarm line extending from the shoulder tip to the bottom of the underarm can be configured to face the center of the body. More preferably, the intersection angle between the tangent line at the bottom of the underarm of the underarm line and the vertical line can be configured to be 5 degrees to 12 degrees.

[0009] More preferably, the ratio of the sleeve width to the cuff width is set to 1.65 to 1.8. It can be configured as follows. More preferably, the ratio of the body width to the shoulder width can be configured to be set to 0.8 to 0.93.

Advantages of the Invention

[0010] According to the upper garment of the pajamas according to the present invention, it is possible to provide an upper garment of pajamas that can be worn at bedtime, facilitate turning over during sleep, and suppress a decrease in the quality of sleep.

Brief Description of the Drawings

[0011]

Figure 1

Figure 2

Figure 3

Figure 4

Modes for Carrying Out the Invention

[0012] Hereinafter, the upper garment 100 of the pajamas according to the embodiment of the present invention will be described in detail with reference to the drawings. As an example of such pajamas (although the upper garment of the pajamas according to the present invention is not limited to men's), the upper garment 100 of men's pajamas is shown in FIG. 1 (product base). Further, FIG. 2 (pattern base) is a partial view of this upper garment 100 placed flat, showing the front body 110 in FIG. 2(A), an enlarged view of the area 2B shown in FIG. 2(A) in FIG. 2(B), and the back body 120 and the sleeve part 130 in FIG. 2(C), respectively. In FIG. 2, since this upper garment 100 is symmetric about the left and right (showing the front center line FC and the back center line BC), only one half of the left or right side is drawn. Also, in any case, whether it is a product base or a pattern base, it satisfies the range of numerical limitations (described in the claims), which are the technical features of the upper garment of the pajamas according to the present invention described later.

[0013] Incidentally, hereinafter, regarding this upper garment 100, the length L(1) from the shoulder tip 134 to the base of the underarm (synonymous with the underarm bottom) 132 is defined as the sleeve width L(1), the length L(2) from the shoulder tip 134 to the shoulder tip 134 on the opposite left and right sides is defined as the shoulder width L(2), the length L(3) of the cuff is defined as the cuff width L(3), the length L(4) from the base of the underarm 132 to the base of the underarm 132 on the opposite left and right sides is defined as the body width L(4), the length (circumference) of the armhole is defined as the armhole length AH, and the waist size is defined as W, and will be described. Here, the armhole length AH is equal to the sleeve width L(1)×2. As shown in these figures, this upper garment 100 is composed of a front body 110, a back body 120, and a sleeve part 130, and the body fabric composed of these front body 110, back body 120, and sleeve part 130 is a woven fabric.

[0014] The front body part 110 and the back body part 120 are sewn on the front side (ventral side) of the shoulder line KL of this upper garment 100 (the back body part 120 covers up to the front side (ventral side) of the shoulder), and as shown in FIG. 1, when this upper garment 100 is placed flat, a part of the back body part 120 is visible on the shoulder. This upper garment 100 not only simply increases the armhole length AH described in the prior art, but also, as a technical feature, (A) increases the armhole length AH in comparison with the shoulder width L(2), (B) drops the upper end of the armhole (shoulder tip 134) downward (with the shoulder line KL directed significantly downward (as shown by the white arrow in FIG. 1, the shoulder line KL is directed significantly downward with respect to the horizontal line HL) to be of the drop shoulder type), (C) narrows the body width L(4) or reduces the waist dimension W with respect to the shoulder width L(2) (to shape it) to reduce the excess fabric in the body (front body part 110 and back body part 120), and (D) narrows the cuff width L(3) with respect to the sleeve width L(1) to make the cuffs narrower and reduce the excess fabric in the sleeve part 130. Also, this upper garment 100, although not limited thereto, is provided with a pocket 112 on the front body part 110.

[0015] Hereinafter, in more detail, the technical features of this upper garment 100 will be described. The ratio of the shoulder width L(2) to the armhole length AH (sleeve width L(1)×2) is set to 1.1 to 1.21 (1.1 or more and 1.21 or less). It should be noted here that the point is not simply to increase the armhole length AH as in the prior art, but based on the shoulder width L(2), (the armhole length AH does not exceed the shoulder width L(2), that is, the ratio of the shoulder width L(2) to the armhole length AH (sleeve width L(1)×2) does not become less than 1) the armhole length AH is increased to a slightly smaller extent than the shoulder width L(2) in comparison with the shoulder width L(2) (from 1 / 1.21 to 1 / 1.1).

[0016] And the absolute value of this shoulder width L(2) is set to be 55 cm or more. Although it is an example, Fig. 3 shows the standard dimensions (finished dimensions) of this upper garment 100. As described above, the upper garment of the pajamas according to the present invention is not limited to men's, and since the women's size is smaller than that of men's shown in Fig. 3, the lower limit value of the shoulder width L(2) in the upper garment of the pajamas according to the present invention is smaller than 55 cm as described above. The shoulder width of the upper garment of the conventional women's pajamas is about 50 cm in LL size, which is significantly different in that the lower limit value of the shoulder width L(2) in the upper garment of the pajamas according to the present invention is 55 cm.

[0017] Next, as shown in Figs. 2(A) and 2(B), in a state where this upper garment 100 is placed on a plane, the tangent line SGL at the underarm base 132 of the underarm line SG (synonymous with the underarm line) extending from the shoulder tip 134 to the underarm base 132 is directed toward the body center (front center line FC side). Further specifically, the intersection angle θ (deg) between the tangent line SGL at the underarm base 132 of the underarm line SG and the vertical line VL is 5 degrees to 12 degrees (5 degrees or more and 12 degrees or less), preferably 6 degrees or more, and more preferably 7 degrees or more.

[0018] By designing in this way, it is possible to realize an upper garment 100 of the drop shoulder type in which the shoulder width L(2) (absolute value) is large, the armhole length AH is relatively large (based on the shoulder width L(2)), and the shoulder line KL is directed significantly downward (as shown by the white arrow in Fig. 1, the shoulder line KL is directed significantly downward with respect to the horizontal line HL). And by designing in this way, the muscle mass required for turning over during sleep can be reduced (test results will be described later), making it easier to turn over during sleep and suppressing a decrease in the quality of sleep.

[0019] In addition, in this upper garment 100, the ratio of the sleeve width L(1) to the cuff width L(3) is set to 1.65 to 1.8 (1.65 or more and 1.8 or less). As described above, the armhole length AH is increased, and inevitably the sleeve width L(1) becomes larger. For the thus enlarged sleeve width L(1), the cuff width L(3) is narrowed gradually (gradually narrowed with respect to the sleeve width L(1), and the final ratio of the cuff width L(3) is 1 / 1.8 to 1 / 1.65). It has a design in which the cuff width L(3) is made thinner with respect to the sleeve width L(1), reducing the excess fabric in the sleeve part 130 and suppressing the body fabric of the sleeve part 130 from clinging to the body when turning over, facilitating the turning over during sleep and suppressing a decrease in the quality of sleep.

[0020] In addition, in this upper garment 100, the ratio of the shoulder width L(2) to the body width L(4) is set to 0.8 to 0.93 (0.8 or more and 0.93 or less). In this way, with respect to the shoulder width L(2), the body width L(4) is narrowed (0.8 to 0.93), and it has a design in which the body width L(4) is made thinner with respect to the shoulder width L(2), reducing the excess fabric in the body part (front body part 110 and back body part 120) and suppressing the body fabric of the body part from clinging to the body when turning over, facilitating the turning over during sleep and suppressing a decrease in the quality of sleep.

[0021] The operation and effect when turning over while wearing the upper garment 100 of the pajamas having such a configuration will be described with reference to FIG. 4. The test method was carried out as follows, taking this upper garment 100 (a drop shoulder type in which not only the armhole length AH is larger than that of Comparative Example 2 but also the shoulder line KL is directed significantly downward (as shown by the white arrow in FIG. 1, the shoulder line KL is directed significantly downward with respect to the horizontal line HL)) as the example, an upper garment with only the armhole length AH made larger than that of a normal upper garment as Comparative Example 2, and a normal upper garment (an upper garment that is neither large in armhole length AH nor of the drop shoulder type) as Comparative Example 1.

[0022] The measurement environment was 25°C and 40% RH. The subject first lay on their back and then slid their arms horizontally over a period of 5 seconds, turned over in 5 seconds, and then turned back onto their back while returning their arms over a period of 5 seconds, and finally remained still for 5 seconds. This simulated turning-over motion was repeated. The results (integrated electromyogram values) of measuring the muscle mass of the necessary parts during turning over (in this test, the sternocleidomastoid muscle, biceps brachii, triceps brachii, and pectoralis major muscle) are shown in Figure 4.

[0023] For Comparative Example 2, where the armhole length AH was increased compared to Comparative Example 1, which is a normal upper garment, although the necessary muscle mass for the sternocleidomastoid muscle and pectoralis major muscle decreased in Comparative Example 2 compared to Comparative Example 1, the necessary muscle mass for the biceps brachii and triceps brachii increased in Comparative Example 2 compared to Comparative Example 1. For such Comparative Example 2, in the Example where the armhole length AH was further increased compared to Comparative Example 2 and it was a drop-shoulder type, the necessary muscle mass decreased in all of the sternocleidomastoid muscle, biceps brachii, triceps brachii, and pectoralis major muscle compared to Comparative Example 1, and for the sternocleidomastoid muscle and pectoralis major muscle, it decreased more significantly compared to Comparative Example 2.

[0024] Based on these test results, it can be seen that the muscle mass of the necessary parts during turning over (in this test, the sternocleidomastoid muscle, biceps brachii, triceps brachii, and pectoralis major muscle) can be reliably reduced. As described above, according to the upper garment of the pajamas according to this embodiment, when worn at bedtime, it can facilitate turning over during sleep and suppress a decrease in the quality of sleep. It should be considered that the embodiments disclosed this time are illustrative in all respects and not restrictive. The scope of the present invention is shown not by the above description but by the claims, and it is intended that all modifications within the meaning and scope equivalent to the claims are included.

Industrial Applicability

[0025] The present invention is suitable for the upper garment of pajamas worn at bedtime, and is particularly suitable for the upper garment of pajamas that can facilitate turning over in bed at bedtime and suppress a decrease in the quality of sleep.

Explanation of reference numerals

[0026] 100 Upper garment (of pajamas worn at bedtime) 110 Front body 120 Rear body 130 Sleeve part 132 Underarm base (sleeve bottom) 134 Shoulder tip FC Front center line BC Rear center line KL Shoulder line SY Sleeve cap line SG Sleeve cut line SGL Tangent line at the underarm base (sleeve bottom) 132 of the sleeve cut line VL Vertical line

Claims

1. A pajama top in which the body fabric constituting the front body, the back body, and the sleeves is made of a woven fabric, which can facilitate turning over during sleep and suppress a decrease in the quality of sleep. The ratio of the shoulder width to the armhole length is set to 1.1 to 1.

21. The ratio of the sleeve width to the cuff width is set to 1.65 to 1.

8. In the above-mentioned top, in order to reduce the resistance to turning over, when the armhole length is increased, the cuff width is gradually narrowed with respect to the widened sleeve width so that the cuff width is made thinner than the sleeve width, reducing the excess fabric of the sleeves and suppressing the body fabric of the sleeves from clinging to the body during turning over, reducing the amount of muscle required during turning over, and facilitating turning over during sleep. A pajama top characterized by this.

2. The pajama top according to claim 1, characterized in that, in a state where the pajama top is placed flat, the tangent line at the bottom of the underarm of the underarm line extending from the shoulder tip to the bottom of the underarm is directed toward the center of the body.

3. A pajama top in which the body fabric constituting the front body, the back body, and the sleeves is made of a woven fabric, which can facilitate turning over during sleep and suppress a decrease in the quality of sleep. The ratio of the shoulder width to the armhole length is set to 1.1 to 1.

21. In a state where the pajama top is placed flat, the tangent line at the bottom of the underarm of the underarm line extending from the shoulder tip to the bottom of the underarm is directed toward the center of the body, and the intersection angle between the tangent line at the bottom of the underarm of the underarm line and the vertical line is 5 degrees to 12 degrees. In the above-mentioned top, by increasing the armhole length to reduce the resistance to turning over, the shoulder width is increased, and by making it a drop shoulder with the shoulder line directed downward with respect to the horizontal line, the amount of muscle required during turning over is reduced and turning over during sleep is facilitated. A pajama top characterized by this.

4. The pajama top according to any one of claims 1 to 3, characterized in that the shoulder width is set to 55 cm or more.

5. The pajama top according to any one of claims 1 to 4, characterized in that the ratio of the body width to the shoulder width is set to 0.8 to 0.

93. **Claim 6**: When the measurement environment is 25°C and 40% RH, the subject first lies on their back and slides their arms horizontally over 5 seconds, then turns over over 5 seconds, and then turns back onto their back while returning their arms over 5 seconds and then remains still for 5 seconds, repeating the simulated turning-over motion. As a result of measuring the integrated electromyogram value as the muscle mass of the trapezius muscle, biceps brachii, triceps brachii, and pectoralis major muscles during the simulated turning-over motion, A top of the pajamas according to any one of claims 1 to 5, wherein the muscle mass during turning over in the simulated turning-over motion of the top of the pajamas is smaller than the muscle mass of a top of pajamas that does not satisfy a ratio of the shoulder width to the armhole length of 1.1 to 1.21 and a top of pajamas that is not of a drop-shoulder type.

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