JP2010167160A - Lower limb rest - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lower limb rest having a lower limb rest surface freely adjustable in height and length directions. <P>SOLUTION: The lower limb rest includes a lower limb rest portion and the base portion which are connected to each other in a manner to be vertically slid through height-adjusting sections formed of first sliding mechanisms and second sliding mechanisms. The lower limb rest portion includes an upper front member and an upper back member which are connected to each other in a manner to be slid back and forth through a first length-adjusting section formed of a third sliding mechanism and form the lower limb rest surface. The base portion includes a lower front member and a lower back member which are connected to each other in a manner to be slid back and forth through a second length-adjusting section formed of a fourth sliding mechanism. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  [Technical Field] The present invention relates to a leg stand that is suitable for use by a person to rest a leg while sitting on a chair.

  Conventionally, a large number of “foot rests” for resting feet during desk work or during breaks have been invented, and various ones are known.

  For example, a portable footrest that is inflated by air injection as shown in Patent Document 1 or a folding portable footrest as shown in Patent Documents 2 and 3 And a footrest that can adjust the height and angle of the portion on which the foot is placed as shown in Patent Document 4.

JP 2000-139619 A JP 2001-46461 A JP 20022233892 A Japanese National Patent Publication No. 11-503647

  These known footrests have folding functions, angle adjustments, and height adjustment functions that allow for compactness when carrying and fine adjustments when used, but only on the soles of the feet. For example, it does not have a function capable of supporting the entire lower limb by placing it from the knee side of the thigh to the lower leg and the foot.

  Further, the length of the entire lower limb varies depending on the person, and the individual difference is more severe than the length of the sole (synonymous with the so-called “shoe size”). That is, in order to rest the lower limbs on the lower limb stand, it is preferable that the length of the surface on which the lower limb is placed (hereinafter simply referred to as “lower limb placing surface”) can be adjusted to some extent according to the length of the entire lower limb. Although it is possible to set the length of the lower limb placement surface from the beginning according to the person who has a long “total length of the lower limb”, this will increase the size of the lower limb placement table itself, especially for small people. For children and children, there is a problem in that the installation space necessary for using the lower limb rest is excessive and the usability is poor.

  Therefore, the present invention has an object to solve such problems, and can perform deskwork and study etc. in an easy posture with the lower limbs rested, and the length and height of the lower limb placing surface on which the lower limbs are placed. An object of the present invention is to provide a lower limb rest that can freely adjust the height within a certain range.

  The lower limb generally includes the thigh, knee, lower leg, and foot. In the present specification, the lower limb is above the knee of the thigh (also referred to as above the knee). It is also used to include a part, knee, lower leg, and foot.

  In order to achieve the above-described object, the present invention provides a lower limb resting table in which a lower limb resting surface that can be placed at least on the entire lower leg from above the knee is inclined with respect to the floor surface. It comprises a lower limb rest part and a base part that are slidably connected to each other via a height adjusting means comprising one slide mechanism and a second slide mechanism, and the lower limb rest part is a third slide mechanism. An upper front member and an upper rear member that are slidably connected to each other via a first length adjusting means and that form the lower limb resting surface, and the base portion is formed from a fourth sliding mechanism. It comprises a lower front member and a lower back member that are slidably connected to each other through the second length adjusting means.

  In this case, according to the present invention, a heel support member for further supporting the heel can be attached to the upper back member so as to be slidable in the tilt direction via the third length adjusting means including the fifth slide mechanism. .

  The present invention further includes a first length adjusting means for connecting the lower front member and the lower back member slidably in the front-rear direction, attached to one of the lower front member and the lower back member. It is composed of a connecting stay and a second connecting stay attached to one of the lower front member and the lower back member, and the first connecting stay and the second connecting stay are slidably connected to each other. It is characterized by being.

  By applying the present invention, it is possible to take a comfortable posture by placing the lower limbs, especially during deskwork or studying for a long time while sitting on a chair, so that the lower limbs can be prevented from getting tired, The length of the laying surface can be adjusted according to the length of the entire lower limbs, or the height of the limbs can be adjusted according to the height of the chair, so that it is easy to use. .

The perspective view of the leg stand which shows an example of embodiment of this invention Same side view It is the sectional view on the AA line of FIG. FIG. 3 is a sectional view taken along line B-B in FIG. 2. It is CC sectional view taken on the line of FIG. It is the figure which showed the connection stay, Comprising: (A) The 1st connection stay is shown, (B) has shown the 2nd connection stay. It is the figure which showed the usage example of the leg stand.

  Hereinafter, an example of an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a perspective view of a lower limb rest for showing an example of an embodiment of the present invention. FIG. 2 is a right side view of the same. 3 is a cross-sectional view taken along line AA of FIG. 4 is a cross-sectional view taken along line BB in FIG. 5 is a cross-sectional view taken along the line CC of FIG. FIGS. 6A and 6B are diagrams showing a connecting stay, in which FIG. 6A shows a first connecting stay, and FIG. 6B shows a second connecting stay. FIG. 7 is a view showing a usage example of the lower limb rest.

<Composition of lower limb stand>

  A lower limb rest 100, which is an example of an embodiment of the present invention, is connected to a lower limb resting portion 101 that is slidably connected in a vertical direction via height adjusting means W composed of first and second slide mechanisms S1 and S2. And the base part 135, and the lower limb rest part 101 is connected to the upper front member 118 slidably connected to each other in the front-rear direction via the first length adjusting means X comprising the third slide mechanism S3. The lower back member 110 and the lower back member, which are composed of the upper back member 120, are connected to each other so as to be slidable in the front-rear direction via the second length adjusting means Y composed of the fourth slide mechanism S4. 112. And the structure which adds the heel support member 122 connected so that it could slide to the front-back direction via the 3rd length adjustment means Z which consists of 5th slide mechanism S5 selectively with respect to the upper back member 120, and It has become. The lower limb placing surface 102 of the lower limb resting portion 101 is inclined with respect to the floor (floor surface) 140 as a whole.

  That is, when viewed from the side (see FIGS. 2 and 3), the lower limb rest 100 is integrally formed in a substantially L-shaped side surface from the back surface 106 of the lower limb rest portion 101 to the lower limb rest surface 102. An upper rear member (first L-shaped member) 120 and an upper front member (second L-shaped) formed integrally in a substantially L shape from the lower limb placing surface 102 to the front surface 104 of the lower limb resting portion 101. A lower limb rest part 101 composed of a mold member 118, and a lower front member (third L-shaped member) 110 formed integrally in a substantially L shape from the front 104 to the bottom surface 108 of the lower limb rest part 101. And a base portion 135 composed of a lower back member (fourth L-shaped member) 112 formed integrally in a substantially L shape from the bottom surface 108 to the back surface 106. Further, the lower limb rest 100 includes a height adjusting means W (first slide mechanism S1 and second slide mechanism S2), a first length adjusting means X of the lower limb resting surface 102, and a second length adjusting means. Y and third length adjusting means Z (third slide mechanism S3, fourth slide mechanism S4, and fifth slide mechanism S5) (details will be described later).

  As shown in FIGS. 1 to 5, the upper back member 120 constituting the lower limb resting portion 101 is composed of a single plate-like body made of, for example, an aluminum material having a thickness of 1.2 mm. From the back surface constituting portion 120U constituting the lower limb placing surface 102 to the lower limb placing surface constituting portion 120T is bent into an obtuse L-shape at a predetermined angle α (115 ° in the present embodiment). Further, flange portions 120F are formed on both side surfaces to ensure rigidity. A plurality (five in the drawing) of connecting holes 120A are formed along the flange portion 120F in the flange portion 120F on the back surface constituting portion 120U side. In addition, a plurality (twelve in the drawing) of connecting holes 120B are formed on both upper surfaces of the lower limb placing surface constituting portion 120T. Note that the number and pitch of the connecting holes 120A and 120B are not particularly determined, and can be appropriately changed as necessary. The connecting hole 120B is. You may provide in the flange part 120F. Further, the connecting hole 120A provided in the flange portion 120F may be provided in the back surface configuration portion 120U.

  Similarly, as shown in FIGS. 1 to 3 and FIG. 5, the upper front member 118 constituting the lower limb rest portion 101 is composed of a single plate-like body made of, for example, an aluminum material having a thickness of 1.2 mm. From the lower limb resting surface constituting part 118T constituting the lower limb resting face 102 to the front constituting part 118M constituting the front face 104, it is bent into an acute L-shape at a predetermined angle β (65 ° in the present embodiment). . Further, flange portions 118F are formed on both side surfaces to ensure rigidity. A plurality (five in the drawing) of connection holes 118A are formed along the flange portion 118F in the flange portion 118F on the front component 118M side. In addition, six connecting holes 118B are formed on the upper surfaces on both sides of the lower limb placing surface constituting portion 118T. Note that the number and pitch of the connection holes 118A and 118B are not particularly determined, and can be appropriately changed as necessary. The connecting hole 118B provided in the lower limb placing surface constituting part 118T may be provided in the flange part 118F. Further, the connection hole 118A provided in the flange portion 118F may be provided in the front structure portion 118M.

  The lower front member 110 constituting the base part 135 is composed of a single plate-like body made of, for example, an aluminum material having a thickness of 1.2 mm as shown in FIG. It is bent into an L-shape at a predetermined angle γ (90 ° in the present embodiment) from the front constituting part 110M to the bottom constituting part 110S constituting the bottom face 108. Also, flange portions 110F are formed on both side surfaces to ensure rigidity. Five connecting holes 110A are formed along the flange portion 110F in the flange portion 110F on the front component 110M side. Further, one connecting hole (not shown) is formed in each of the two flange portions 110F on the bottom surface forming portion 110S side. Furthermore, one leg attachment hole (not shown) is formed on each of the upper surfaces on both sides of the bottom surface constituting portion 110S. Note that the numbers and pitches of the connection holes 110A, the connection holes, and the leg attachment holes are not particularly determined, and can be appropriately changed as necessary. Note that the connecting hole 110A provided in the flange portion 110F may be provided in the front structure portion 110M.

  Similarly, as shown in FIGS. 1 to 4, the lower back surface member 112 constituting the base portion 135 is composed of a single plate-like body made of, for example, an aluminum material having a thickness of 1.2 mm, and the bottom surface 108. Is bent into a L-shape at a predetermined angle θ (90 ° in the present embodiment) from the bottom surface forming portion 112S forming the back surface to the back surface forming portion 112U forming the back surface 106. Further, flange portions 112F are formed on both side surfaces to ensure rigidity. A plurality of (five in the drawing) connection holes 112A are formed along the flange portion 112F in the flange portion 112F on the back surface constituting portion 112U side. Further, one connecting hole (not shown) is formed in each of the two flange portions 112F on the bottom surface forming portion 112S side. Further, one leg attachment hole (not shown) is formed on each side upper surface of the bottom surface constituting portion 112S. The numbers and pitches of the connecting holes 112A, the connecting holes (not shown), and the leg mounting holes (not shown) are not particularly determined, and may be appropriately changed as necessary. Is possible. Note that the coupling hole 112A provided in the flange portion 112F may be provided in the rear surface configuration portion 112U.

  As shown in FIG. 6A, the first connecting stay 114 constituting the second length adjusting means Y is a long flat plate member made of, for example, an aluminum material having a thickness of 1.2 mm, and is near one end. One connecting hole 114A is formed, and a total of two slide adjusting long holes 114B are formed in the vicinity of the other end and in the middle.

  Another second connecting stay 116 constituting the second length adjusting means Y is a long flat plate member made of, for example, an aluminum material having a thickness of 1.2 mm, as shown in FIG. 6B. One connection hole 116A is formed in the vicinity of one end, and two connection holes 116B are formed in the vicinity of the other end and in the middle. The interval W1 between the two connection holes 116B is the same as the interval W1 between the slide adjustment long holes 114B formed in the first connection stay 114 (for example, the interval between the left ends of the slide adjustment long holes 114B). ing.

  If the second length adjusting means Y is composed of the first connecting stay 114 and the second connecting stay 116, there is an advantage that the weight of the lower limb rest base 100 becomes light and easy to carry. In addition to being able to be configured like the first length adjusting means X, it can be replaced with various known means.

  As shown in FIG. 1 to FIG. 3, the heel support member 122 is composed of a single plate-like body made of, for example, an aluminum material having a thickness of 1.2 mm, and the lower limb placement surface constituting the lower limb placement surface 102. It is bent into an L shape at 90 ° from the component 122T to the heel support surface 122B. In addition, a plurality of (five in the drawing) connecting holes 122A constituting the fifth slide mechanism S5 are formed in the vicinity of both sides of the lower limb placing surface constituting portion 122T. Note that the number and pitch of the connecting holes 122A are not particularly determined, and can be appropriately changed as necessary. Further, the heel support member 122 is an additional component, and it is still convenient if the heel support member 122 is provided, but even if the heel support member 122 is not provided, the third and fourth slide mechanisms S3 are provided. The length of the lower limb resting surface 102 can be adjusted by the first and second length adjusting means X and Y constituted by S4 and S4. In addition, it is preferable to provide flange portions on both sides of the heel support member 122 because the strength increases.

  The lower limb placing surface constituting portion 120T of the upper back member 120 and the lower limb placing surface constituting portion 118T of the upper front member 118 are arranged so as to partially overlap each other. At this time, the bolt 125A and the nut 125B are utilized by using the connecting hole 120B provided in the lower limb placing surface constituting portion 120T of the upper back member 120 and the connecting hole 118B provided in the lower limb placing surface constituting portion 118T of the upper front member 118. Both members are connected and fixed by a fixing means 125 comprising: Since a plurality of the connecting holes 118B and 120B are provided along the inclination direction, the overlapping portion can be adjusted by sliding and fixed at an arbitrary position (third slide mechanism S3).

  The front component 118M of the upper front member 118 and the front component 110M of the lower front member 110 are arranged so as to partially overlap. At this time, using the connecting hole 118A provided in the flange portion 118F of the upper front member 118 and the connecting hole 110A provided in the flange portion 110F of the lower front member 110, the fixing means 125 including the bolt 125A and the nut 125B is used. Both members are connected and fixed. Since a plurality of connection holes 110A and 118A are provided in the vertical direction (in the flange extending direction), it is possible to adjust the sliding of the overlapping portion and fix it again at an arbitrary position (second Slide mechanism S2).

  The rear component 120U of the upper rear member 120 and the rear component 112U of the lower rear member 112 are disposed so as to partially overlap. At this time, the connecting means 120A provided in the flange portion 120F of the upper back member 120 and the connecting hole 112A provided in the flange portion 112F of the lower back member 112 are used to fix the fixing means 125 including the bolt 125A and the nut 125B. Both members are connected and fixed. Since a plurality of connecting holes 112A and 120A are provided in the vertical direction (in the flange extending direction), the overlapping portion can be slid and fixed at an arbitrary position (first step). Slide mechanism S1).

  The lower front member 110 and the lower back member 112 are connected by two connecting stays (a first connecting stay 114 and a second connecting stay 116). Specifically, it is connected in the following manner. Using the connection hole 114A formed in the first connection stay 114 and the connection hole (not shown) formed in the flange portion 110F of the lower front member 110, the first connection stay 114 and the lower front member. 110 is fixed by fixing means 125 including a bolt 125A and a nut 125B. Further, the second connection stay 116 and the lower back surface are formed using the connection hole 116A formed in the second connection stay 116 and the connection hole (not shown) formed in the flange portion 112F of the lower back member 112. The member 112 is fixed by fixing means 125 including a bolt 125A and a nut 125B. In addition, the first connecting stay 114 and the second connecting stay 114 are formed by utilizing the slide adjusting long hole 114B formed in the first connecting stay 114 and the connecting hole 116B formed in the second connecting stay 116. The stay 116 is connected. The slide adjusting long hole 114B is literally a “long hole”. By loosening the fixing means 125 including the bolt 125A and the nut 125B, the first connecting stay 114 and the second connecting stay 116 can be slid and fixed at any position (fourth sliding mechanism). S4). The first and second connecting stays 114 and 116 are provided on both side surfaces of the lower limb rest portion 101.

  The heel support member 122 is fixed to the lower limb placing surface 102 of the lower limb rest portion 101 by fixing means 125 including a bolt 125A and a nut 125B. More specifically, the upper back member 120 is fixed by using a connecting hole 120B provided in the lower limb placing surface constituting part 120T and a connecting hole 122A formed in the heel support member 122. Since a plurality of these connection holes 120B and 122A are formed along the inclination direction, it is possible to effectively adjust the length of the leg placing surface 102 in the inclination direction by changing the mounting position. ing. That is, the lower limb placing surface by the first length adjusting means X and the second length adjusting means Y comprising the third slide mechanism S3 provided in the lower limb rest part 101 and the fourth slide mechanism S4 provided in the base part 135. In addition to the length adjustment, the third length adjusting means Z including the fifth slide mechanism S5 is used to slide the heel support member 122 to change the attachment position, thereby further reducing the length ( It is also possible to adjust the inclination direction length).

  The first to fifth slide mechanisms S1 to S5 are stepwise adjustments using a plurality of connecting holes. For example, a configuration that can be adjusted steplessly using long holes is adopted. May be. With such a configuration, there is an advantage that fine adjustment can be performed.

  In addition, rubber legs 130 serving as legs of the lower limb rest 100 are attached using two connecting holes (not shown) formed in the bottom surface forming part 110S of the lower front member 110. Similarly, the rubber leg 130 which becomes the leg part of the lower limb rest 100 is attached using two connecting holes (not shown) formed in the bottom constituting part 112S of the lower back member 112. These rubber legs 130 can be finely adjusted in the height direction by rotating.

  In addition to the above-described aluminum, various materials can be used as long as rigidity as a footrest can be secured. If aluminum is used as described above, it can be a lightweight and rust resistant pedestal. Further, if it is made of steel, it is easy to process and can provide a lower limb rest at a low cost. In addition to metals, various plastic materials may be used according to the usage situation and cost.

  Further, if a plurality of fine punch holes are provided in the lower limb placing surface 102, the punch becomes lighter, and appropriate air circulation to the lower limb placed on the lower limb placing surface 102 can be promoted, and the feeling of use becomes comfortable. Further, by applying fine irregularities, it is possible to exert a massage effect on the lower limbs placed on the lower limb placing surface 102, or to exert an effect that is difficult to slip.

  If necessary, a cushioning material can be applied to the lower limb resting surface 102 to increase comfort and cause problems such as pain in the foot even if the foot is placed on the lower limb resting base for a long time. Never do.

<Action of lower limb rest>

  For example, as shown in FIG. 7, the lower limb stand 100 is disposed under a desk 200 and used in a state where a person 210 sits down on a chair 230. At this time, it arrange | positions so that the front (side where the height is high) of the leg stand 100 may be in front, and the back (side where the height is low) is the other side. Then, the user sits down on the chair 230 and places the entire lower limb on the lower limb resting base 100 for use. The lower limb stand 100 according to the present invention can place the entire lower foot from the knee including at least the thigh instead of placing only the sole portion. The effect of resting the entire foot is great. The instruction symbol 220 is, for example, a laptop personal computer.

  Further, as shown in FIG. 1 to FIG. 3, length adjusting means X, Y, Z (third slide mechanism S3 and fourth slide mechanism S4) whose length can be adjusted in the inclination direction of the leg placing surface 102. And the fifth slide mechanism S5), the length can be adjusted to the optimum length according to the length of the entire lower limb, and as a result, the function of "resting the lower limb" can be fully exhibited. be able to.

  The slide adjustment of the third slide mechanism S3, the fourth slide mechanism S4, and the fifth slide mechanism S5 constituting the length adjusting means X, Y, Z of the lower limb resting surface 102 is performed by adjusting the bolt 125A and the nut. Each fixing means 125 consisting of 125B is loosened and removed (in the fourth slide mechanism S4, only the bolt 125A can be loosened), and the positions of the connecting holes 118B, 120B, 122A are adjusted to the appropriate positions, and then again. An operation of re-fixing with the bolt 125A and the nut 125B is performed.

  Further, as shown in FIG. 2, there is provided height adjusting means W (first slide mechanism S1 and second slide mechanism S2) for adjusting the height of the leg placing surface 102 with respect to the floor surface 140. For example, as shown in FIG. 7, even when the user sits on a chair 230 whose height is adjustable and the height of the chair 230 is adjusted, the height of the lower limb placing surface 102 can be adjusted accordingly. .

  The adjustment of the first slide mechanism S1 and the second slide mechanism S2 constituting the height adjusting means W is performed by loosening and removing the bolts 125A and nuts 125B of the fixing means 125, and connecting holes 110A, 118A and 112A, After the position of 120A is slid and adjusted to an appropriate position, the work is again performed by the fixing means 125 including the bolt 125A and the nut 125B. Note that the bolt 125A can be a screw using a screwdriver, a wing screw, other screws, or fixing means in any of the slide mechanisms S1 to S5. The slide mechanisms S to S3 and S5 depend on the hole alignment and fixing means 125 of the connection holes 118B, 120B, 122A, and 120B. However, the present invention is not limited to this, and each connection hole is formed as a guide long hole. You can also slide it.

  The present invention is particularly suitable as a lower limb resting table used for placing a lower limb under a desk or a working table to prevent fatigue during desk work while sitting on a chair such as a desk or working table. .

DESCRIPTION OF SYMBOLS 100 ... Lower limb rest 101 ... Lower limb rest part 102 ... Lower limb resting surface 104 ... Front 106 ... Back 108 ... Bottom 110 ... Lower front member 110A, 112A, 116A, 116B, 118A, 118B, 120A, 120B, 122A ... Connection hole 112 ... Lower back member 114 ... First connection stay 114B ... Sliding adjustment slot 116 ... Second connection stay 118 ... Upper front member 120 ... Upper back member 122 ... Hail support member 122B ... Hail support surface 130 ... Leg portion 135 ... base part 140 ... floor (floor surface)
S1 to S5: First to fifth slide mechanisms W: Height adjusting means X: First length adjusting means Y: Second length adjusting means Z: Third length adjusting means

Claims (3)

A lower limb resting base provided with a lower limb resting surface tilted with respect to the floor surface where at least the entire lower limb can be placed from above the knee,
It consists of a lower limb rest part and a base part connected to each other so as to be slidable in the vertical direction via a height adjusting means comprising a first slide mechanism and a second slide mechanism,
The lower limb resting part is composed of an upper front member and an upper rear member that are connected to each other through a first length adjusting means comprising a third slide mechanism so as to be slidable in the front-rear direction to form the lower limb placing surface,
The base portion is composed of a lower front member and a lower back member that are slidably connected to each other in the front-rear direction via a second length adjusting means including a fourth slide mechanism.
A lower limb stand characterized by that. In claim 1,
Furthermore, a hook support member that supports the hook is attached to the upper back surface member so as to be slidable in an inclined direction via a third length adjusting means including a fifth slide mechanism.
A lower limb stand characterized by that. In claim 1,
A first connecting stay attached to one of the lower front member and the lower back member, wherein the second length adjusting means for slidably connecting the lower front member and the lower back member in the front-rear direction; A second connecting stay attached to one of the lower front member and the lower back member, wherein the first connecting stay and the second connecting stay are slidably connected to each other. The lower limb stand.

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