JPH11332686A - Finger-pressure back rest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To give a rigid support corresponding to the shape of the back of an individual user to the user and, moreover, to correctly hold an accessory equipment at a prescribed position of an existing back rest. SOLUTION: In a finger-pressure back rest 1, a short anchor leg 3 is fitted on the back surface of the lower end part of a long-sized support leg 2, the anchor leg 3 is pushed into a gap between the bottom surface 7 of the seat of a vehicle and the lower end part of an existing back rest 6 when used, and then, the support leg 2 is held along the existing back rest 6. The accessory equipment such as a cushion member is fitted on the back surface of a finger- pressure equipment 10 which is supported by the support leg 2 so as to be freely slidable and is integrated with the finger-pressure equipment 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION The present invention is an acupressure device which is removably attached to an existing seat with one touch to provide the best support at a desired location on the user's back, thereby reducing user fatigue. More specifically, the backrest can be used reversibly as it is composed of not only a cushion member but also at least two kinds of various accessories such as acupressure devices, lumbar supports, and heaters. The present invention relates to an acupressure backrest provided with an accessory.

[0002]

2. Description of the Related Art One example of a conventional acupressure backrest is 199.
On July 9, 2006, Kun Xian
g) There is an apparatus disclosed in U.S. Pat. No. 5,533,787 issued to Mr. G). The device is a seat cover that is semi-permanently attached to the existing seat of the vehicle using a tie.
Is made of magic tape loop woven fabric. In use, hook tape of magic tape
A cushion to which the strap is secured is removably attached to a desired position on the device to support the back of the user. However, since the above-mentioned device is a sheet cover made of a fabric, even if a user attempts to change the position of the cushion while driving a vehicle, the seat cover is shifted or bent due to the nature of the fabric, so that the cushion is not covered. The position cannot be changed easily. It is not preferable for the driver to be in the same posture because fatigue increases. Thus, in this respect, the device has room for improvement. Further, since the shapes of the seats of existing vehicles and the like vary widely, the above-mentioned device takes much time for mounting. Therefore, if the user uses public vehicles such as trains and buses,
Furthermore, it is impossible to personally bring the above device to a public facility such as a theater and use it. In addition, in the case of the conventional device, the hook has a hook-woven tape of a magic tape fixed to the back surface, so that the back surface of the cushion, such as an acupressure device, a lumbar support, or a heater, is attached to the back surface. Other attachments cannot be installed. That is, in the case of the conventional device, the cushion cannot be used reversibly in combination with another accessory.

[0003]

As described above, the conventional apparatus has a problem that the user cannot satisfactorily change the position of the cushion while driving the vehicle. Furthermore, there is a drawback that the above-mentioned device cannot be carried and used by an individual in a public vehicle or the like because it takes much time for mounting.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a rigid acupressure backrest having an extremely simple structure and capable of easily changing the position of a cushion while a user drives a vehicle. It is another object of the present invention to provide an inexpensive, robust and compact acupressure backrest that can be easily and individually used by a user in public vehicles and theaters. Still another object of the present invention is not only a cushion, but also acupressure device, lumbar support, heater, and the like.
At least two or more of various accessories such as
An object of the present invention is to provide an acupressure backrest that can be used for a shibble.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above objects, the shapes of existing seats in a number of vehicles were investigated. As a result of this investigation, we obtained one finding that in many seats there is a gap between the seat surface and the backrest. Based on this finding, the idea was born that "the subject's acupressure backrest can be fixed to an existing seat by striking an appropriate anchoring means into the gap." Based on the idea, at least two types of accessories, such as acupressure devices, lumbar supports, and heaters, which are detachably attached to existing seats such as vehicles, based on the idea. The present invention has been made by providing an inversion means for attaching more than one kind to the reversible in the accessory of the acupressure backrest.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a shiatsu backrest having the following structure: a seat having a seat surface (7) and a backrest (6); A freely mounted acupressure backrest, comprising a substantially vertical support leg (2), a substantially horizontal anchor leg (3) shorter than the support leg (2), and an appendage (10, 28)
And frictional engagement means (19, 35) for frictionally engaging the appendage (10, 28) with the support leg (2), and the anchor leg (3) has a tip attached to the support leg (3). (2) is coupled to a specific lower portion, extends rearward, and is removably clamped between a rear end of the seat (7) and a lower end of the backrest (6);
The support leg (2) extends upward from the seat surface (7) and is held along the surface of the backrest (6), and the appendages (10, 28) are attached to the support leg (2). Movably in the longitudinal axis direction, is attached to the support leg (2), and integrally has a first appendage on its own front part and a second appendage on its own rear part. River that can be used on the side
Shiatsu type backrest.

According to a second aspect of the present invention, there is provided a acupressure backrest having the following structure.
The acupressure backrest according to the first aspect of the invention, wherein the first appendage comprises acupressure device (10) and the second appendage comprises a cushion member (28).

According to a third aspect of the present invention, there is provided a acupressure backrest having the following structure.
The frictional engagement means (19, 35) has a bag-like cover (3) whose inner periphery is longer in cross section than the outer periphery of the support leg (2).
5), which is attached to the outer surface of the support leg (2) to cover the outer surface loosely, and the accessory (10, 28).
Has a guide hole (34) at the center in the width direction for slidably receiving the support leg (2), and the guide hole (34) has an inner periphery of a cross section of the support leg (2). While longer than the outer circumference, it is shorter than the outer circumference of the bag-shaped cover (35), so that when the bag-cover (35) passes through the guide hole (34),
The bag cover (35) is squeezed to generate frictional resistance, which causes the appendage (10, 28) to be held in a desired position on the support leg (2). The acupressure backrest according to one or the second aspect.

According to a fourth aspect of the present invention, there is provided a acupressure backrest having the following structure.
The specific lower portion of the support leg (2) is located at a predetermined distance above the lower end of the support leg (2), and extends downward from the specific lower portion to extend the seat surface (7). The portion of the support leg (2) that reaches the support leg (2) functions as an anchoring rod means (4) to press the seating surface (7) downward, and utilizes the reaction force (B) of the support leg (2). ) Is pressed against the surface of the backrest (6) to prevent the support leg (2) from falling forward. The acupressure backrest according to the first, second or third aspect of the present invention.

According to a fifth aspect of the present invention, there is provided an acupressure backrest having the following structure.
The support leg (2) is a round pipe (2) having a circular cross section.
The friction engagement means (19) is constituted by a retaining ring (19) made of a spring material having an inner diameter slightly smaller than the outer diameter of the round pipe (2), and the attachment (1) is provided.
0, 28) is a long connecting plate (3) for connecting the left half part and the right half part thereof to each other in the horizontal direction at a distance at least larger than the diameter of the round pipe (2).
1), and further has a guide tube (18) that is slidably and rotatably mounted coaxially and slidably on the round pipe (2), and is further provided so as to be orthogonal to the guide tube (18). Inversion center axis (17) composed of round bars with their central parts joined
And the left half, the right half, and the connecting plate (3
1) and the guide cylinder (18) has a horizontal groove extending in its own circumferential direction, and the retaining ring is provided in the horizontal groove. (19), whereby the appendage (10, 28) is rotatably supported about each of the round pipe (2) and the inverted central axis (17). The acupressure backrest described in the first, second or fourth aspect.

According to a sixth aspect of the present invention, there is provided an acupressure backrest having the following structure.
The hook bar means (4) is a lower end length adjusting means (36).
The acupressure backrest according to the first, second, third, fourth or fifth aspect of the present invention, comprising:

[0012] The acupressure backrest of the present invention having the above structure is
The anchor leg (3) is firmly clamped between the seat (7) of the existing seat such as a vehicle and the backrest (6), so that the support leg (2) moves along the backrest (6) of the seat. And is firmly held. Therefore, even if the user gets away from the seat, the user does not fall down, and anyone can easily attach and detach the seat with one hand with one touch. In addition, accessories such as cushions (10, 2
8) Even when the supporting leg (2) is detachably supported on the supporting leg (2), the lower portion of the supporting leg (2) functions as an anchoring rod means (4) to support the weight of the accessory (10, 28). Therefore, the acupressure backrest (1) of the present invention is securely held along the backrest (6) of the seat without falling down even if the user leaves the seat.

As described above, the acupressure backrest of the present invention (1)
Is firmly held so as not to separate from the backrest (6) of an existing seat such as a vehicle, and stands alone. Therefore, when the attachments (10, 28) such as cushions are attached to the support legs (2), even if the user is driving a car,
By turning one arm backwards, the accessory (10, 28)
Since the position and type of the vehicle can be easily changed, the driving posture and the driving environment can be changed as needed, and the fatigue can be greatly reduced. Furthermore, the acupressure backrest of the present invention, regardless of the shape of the existing seat,
Since it can be easily attached to the seat in a detachable manner with one hand and one-touch, and furthermore, it is robust, compact and convenient to carry, so that anyone can easily use it personally in public vehicles and theaters.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 and 2 show a Shiatsu backrest 1 according to a first embodiment of the present invention. Shiatsu backrest 1 is anchor leg 3
The rear end of the seat 7 and the backrest 6 of an existing seat such as a vehicle.
By pushing it into the gap between the lower end of the seat and the seat, it can be easily detachably attached to the seat with one hand. Shiatsu backrest 1
Comprises at least a substantially vertical support leg 2, a shorter, substantially horizontal anchor leg 3, and an appendage (10, 28) slidably mounted on the support leg 2.
Further, the acupressure backrest 1 is attached to the support leg 2 by an accessory (10, 2).
8) has a friction engagement means 19 for frictionally engaging. The anchor leg 3 has a distal end joined to a specific lower portion of the support leg 2 and extends rearward, and is detachably clamped in a gap between the rear end of the seat 7 and the lower end of the backrest 6. . If the gap is large, a cloth may be wrapped around the anchor leg 3 if necessary, or a suitable balloon-shaped air bag device (not shown)
Is attached, the anchor leg 3 can be detachably and firmly clamped in the gap. On the other hand, the support leg 2 extends upward from the seating surface 7 and is held along the surface of the backrest 6.

As shown in FIG. 1, the specific lower portion of the support leg 2 is located at a position above the lower end of the support leg 2 by a predetermined distance. That is, the portion of the support leg 2 extending downward from the specific lower portion and reaching the seating surface 7 functions as an anchoring rod means 4 to press the seating surface 7 downward. Therefore,
By utilizing the reaction force B, the support leg 2 is pressed against the surface of the backrest 6, thereby preventing the support leg 2 from falling forward.

As shown in FIG.
Is composed of a long round pipe 2 and has a chip 22 for crushing tempered glass at the upper end. The chip 22 is used as a window hammer for crushing a window glass of a car in a vehicle accident or the like, and is usually covered with a cap 23. The lower part of the support leg 2 is slightly bent rearward,
This prevents the lower end of the support leg 2 from hitting the user's waist. A pair of side through holes, which are diametrically opposed to each other, through which the anchor leg 3 passes are provided on the side surface of the lower end of the support leg 2. The engaging portion between the through hole and the anchor leg 3 forms hinge means 5. Through the hinge means 5,
An anchor leg 3 is rotatably attached to the lower end of the support leg 2. The anchor leg 3 is formed by covering a steel wire with a synthetic resin tube.

On the other hand, the connecting rod means 4 is preferably
It is composed of a cylindrical member having a pair of diametrically opposed side through holes through which the anchor leg 3 passes.
In assembling, the lower end of the support leg 2 is inserted into the upper end of the connecting rod means 4, and the through holes of both are aligned. Then, the anchoring bar 3 is inserted into the two through holes aligned in this manner, whereby the hooking rod means 4 is fixed to the lower end of the supporting leg 2. The connecting rod means 4 has a length adjusting means 36. Preferably, an external thread is formed on the outer peripheral portion of the lower half of the connecting rod means 4. The length adjusting means 36 is formed of a long nut member that is screwed to the male screw. In use, by rotating the length adjusting means 36 relative to the pin means 4, the pin means 4 and the length adjusting means 3 are rotated.
6 to thereby generate an effective reaction force B (see FIG. 1) for each individual seat.

As shown in FIG. 2, the attachments (10, 28)
Is attached to the support leg 2 so as to be slidable in the longitudinal axis direction of the support leg 2, and the acupressure device 10 as a first accessory is attached to its front surface.
, And a cushion member 28 as a second appendage is integrally provided on the back surface of the vehicle, and is formed as a reversible type that can be used on either side.

That is, the appendage (10, 28) is a long connecting plate for connecting the left half portion and the right half portion thereof to each other in the horizontal direction at a distance at least larger than the diameter of the support leg 2. 31 and a guide tube 18 which is coaxially slidably and rotatably mounted on the support leg 2. Further, the center of the guide tube 18 is orthogonal to the guide tube 18. Reversing center shaft 17 composed of a round bar connected to the outer peripheral portion by appropriate connecting means such as welding.
The left half, the right half, and the connecting plate 31
Are held so as to be able to rotate halfway around the reversal center axis 17.

As is apparent from FIG.
Has a pair of E-ring receiving grooves 33 at both ends. When assembling the appendages (10, 28), a pair of semicircular acupressure projections 12 are arranged in parallel with each other on the inner side of the inverted center shaft 17 adjacent to the E-ring receiving groove 33. A cushion substrate 20 and a cushion member 28 are respectively provided on the back surface of each acupressure protrusion 12 via a common connecting plate 17.
A pair of vertically spaced setscrews 21 are then placed in the cushion member 2 in that order.
8 by screwing them from the back side of the corresponding acupressure projections 12 onto the flat back side.
20 and 28 are integrally fixed to each other. That is, the rear surfaces of the pair of acupressure protrusions 12 are fixed to the surfaces of both ends of the connecting plate 17, and the pair of cushion substrates 20 and the cushion members 28 are fixed to the rear surfaces of the both ends, respectively, to be used reversibly. Possible appendages (10, 28) are formed. In this state, the inverted center shaft 17 is sandwiched with a certain force between the center groove of the acupressure projection 12 and the center groove 30 of the cushion substrate 20 corresponding to the center groove. Therefore, the appendage (10, 28) can be rotated halfway around the reversal center axis 17 with some frictional resistance, and can be slid in the axial direction. An E-ring 32 is fitted in the E-ring receiving groove 33 to prevent the appendage (10, 28) from sliding in the axial direction along the inversion center axis 17.

The accessory (10, 2) thus assembled
8) functions as the acupressure device 10 in the state of FIG. 2, and when it is rotated halfway in the direction of arrow A (see FIGS. 1 and 2) in the vertical plane from this state, the cushion member 2
Functions as 8. Apparatus in vertical plane (10, 28)
Is stopped by contacting the outer peripheral portion of the guide cylinder 18 every time the connecting plate 31 makes a half turn in the direction of arrow A in the vertical plane or in the direction opposite to the direction of arrow A. , 28)
Function as the acupressure device 10 or the cushion 28. The guide cylinder 18 has a horizontal groove extending in its own circumferential direction,
A holding ring 19 as a friction engagement means is held in the horizontal groove. The holding ring 19 allows the attachment (1
0, 28) are supported at a desired height position of the support leg 2 so as to be rotatable around the respective axes of the support leg 2 and the reversing center axis 17. The retaining ring 19 is a so-called snap ring, and is made of a spring material having an inner diameter slightly smaller than the outer diameter of the support leg 2. As shown in FIG. 2, the appendages (10, 28) are rotatable about the support legs 2 in the direction of arrow C in the horizontal plane and vice versa. In the direction C or in the opposite direction, the appendage (10, 2,
8) can also be rotated by half a turn.
8) can be used reversibly.

In use, the appendages (10, 28) are rotatable not only in the A direction but also in the C direction and in the opposite direction, as is evident from FIG. , The axis of the reversal center axis 17 is not arranged in the same plane as the axis of the support leg 2,
8) can be used in four ways. That is, the connecting plate 3
In the state of FIG. 2 in which 1 is in contact with the front surface of the upper end of the guide tube 18, the accessory (10, 28) functions as the acupressure device 10 in a state where the acupressure protrusion 12 is protruded as far as possible. This is the first one. From the first state,
When the accessory (10, 28) is rotated by half a turn around the reversal center axis 17 in the direction A until the connecting plate 31 contacts the front surface of the lower end of the guide tube 18, the accessory (10, 28) It functions as a cushion with the member 28 protruding forward to the maximum. This is the second type. From the second state, the attachments (1)
(0, 28) is rotated half a turn in the C direction.
28) functions as the acupressure device 10 in a state where the acupressure protrusion 12 is retracted backward to the maximum. This is the third way.
From the third state, until the connecting plate 31 abuts on the back surface of the upper end of the guide tube 18, the attachment (10,
When (28) is rotated half a turn around the reversal center axis 17, the appendage (10, 28) functions as a cushion in a state where the cushion member 28 is retracted to the rear as much as possible. This is the fourth way. When the accessory (10, 28) is rotated half a turn in the C direction around the support leg 2 from the fourth state, the accessory (10, 28) returns to the first state. As shown in FIG. 1, the acupressure backrest 1 of the first embodiment is entirely covered with a soft cover such as a cloth. In the exploded view of FIG. 2, the structure of the present invention is clearly shown. The cover has been omitted from the drawing for the sake of illustration.

FIG. 3 shows a second embodiment of the acupressure backrest according to the present invention. In the second embodiment, the appendages (10, 2
8) is a guide hole 34 that vertically penetrates the center of itself.
Having its own front part constituted by the acupressure device 10,
Its own back is constituted by a cushion member 28. On the other hand, the support leg 2 is formed of a flat plate member, and its surface is covered by the friction engagement means 35. The friction engagement means 35 is formed of a bag-like cover 35 whose inner periphery is longer than the outer periphery of the support leg 2 in a cross section, and is attached to the outer surface of the support leg 2 to cover the outer surface slowly. Attachment (10,
The guide hole 34 of 28) has an inner periphery longer than the outer periphery of the cross section of the support leg 2, while being shorter than the outer periphery of the bag-like cover 35. Therefore, when the bag cover 35 passes through the guide hole 34, the bag cover 35 is squeezed to generate frictional resistance, and the frictional resistance causes the attachments (10, 28) to have the desired height of the support leg 2. Held in position.

As is apparent from FIG. 3, in the case of the second embodiment, after the attachments (10, 28) are once pulled out from the upper end of the support leg 2, the attachments (10, 28) are turned over, and the attachment is again supported. By attaching to the supporting leg 2 from the upper end of the leg 2, the appendage (10, 28) can be used reversibly. That is, in the state of FIG. 3, the attachments (10, 28)
Functions as the acupressure device 10 and functions as the cushion member 28 by turning over.

[0025]

As is apparent from the above description, the acupressure backrest of the present invention can reversibly use the attachments (10, 28), so that various uses can be provided to the user. Can be. In particular, in the case of the first embodiment, the user can turn one hand backward while driving the car to move the accessory (1).
0, 28) can be easily switched from the acupressure device 10 to the cushion member 28 or vice versa, so that the acupressure backrest of the present invention exerts a great effect in recovering from fatigue.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional perspective view of a first embodiment.

FIG. 2 is an exploded view of the first embodiment.

FIG. 3 is a perspective view showing a main part of the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Acupressure backrest 2 Support leg 3 Anchor leg 4 Connecting rod means 5 Hinge means 6 Backrest of existing seat 7 Bottom surface of existing seat 10 Acupressure device 12 Acupressure protrusion A Rotation direction of appendage in vertical plane B Support Upward reaction force applied to the lower end of the leg C Rotation direction of the accessory in the horizontal plane 17 Inversion center axis 18 Guide cylinder 19 Retaining ring 20 Cushion substrate 21 Set screw 22 Window split chip 23 Cap 28 Cushion member 29 Connecting plate receiving groove 30 Center Groove 31 Connecting plate 32 E-ring 33 E-ring receiving groove 34 Guide hole 35 Bag cover 36 Length adjusting means

Claims (6)

[Claims] An acupressure backrest removably attached to a seat having a seat surface (7) and a backrest (6), the support leg being substantially vertical, and the support leg is provided. A substantially horizontal anchor leg (3) shorter than (2), an appendage (10, 28), and a frictional engagement for frictionally engaging the appendage (10, 28) with the support leg (2). The anchoring legs (3) are extended rearwardly with their tips connected to a specific lower part of the supporting legs (2), and are provided behind the seating surface (7). The support leg (2) extends upward from the seat surface (7) and is detachably clamped between an end portion and a lower end portion of the backrest (6), and a surface of the backrest (6). The appendage (10, 28) is attached to the support leg (2) so as to be movable in the longitudinal direction of the support leg (2), and a first attachment is provided on its front surface. Vessel to and the second appendage are integrally provided on the rear portion of the self, which can be used on the front and back either side Riva - is reluctant type, acupressure backrest. 2. The device according to claim 1, wherein the first appendage comprises a finger press (10) and the second appendage comprises a cushion member (2).
The acupressure backrest according to claim 1, comprising 8). 3. The friction engagement means (19, 35) comprises a bag-like cover (35) having an inner periphery longer in cross section than the outer periphery of the support leg (2). The accessory (10, 28) is attached to the outer surface of (2) to cover the outer surface loosely, and the accessory (10, 28) has a guide hole (34) in the center in the width direction for slidably passing the support leg (2). Have
The guide hole (34) has an inner periphery longer than the outer periphery of the cross section of the support leg (2), while being shorter than the outer periphery of the bag-like cover (35), thereby forming the guide hole (34). When the bag cover (35) passes through the bag cover (35), the bag cover (35) is squeezed to generate frictional resistance. 3. The acupressure backrest according to claim 1, which is held at a desired position. 4. The specific lower portion of the support leg (2) is located at a predetermined distance upward from a lower end of the support leg (2), and extends downward from the specific lower portion. The portion of the support leg (2) reaching the seating surface (7) functions as an anchoring rod means (4) and presses the seating surface (7) downward, utilizing the reaction force (B). The acupressure backrest according to claim 1, 2 or 3, wherein the support leg (2) is pressed against the surface of the backrest (6) to prevent the support leg (2) from falling forward. 5. The support leg (2) is constituted by a round pipe (2) having a circular cross section, and the friction engagement means (19) is slightly larger than the outer diameter of the round pipe (2). A holding ring (19) made of a spring material having a small inner diameter, wherein the appendages (10, 28) horizontally connect their left and right halves at least to the round pipe (2). ) Having a long connecting plate (31) to be connected at a distance larger than the diameter of the guide pipe (18) which is coaxially slidably and rotatably mounted on the round pipe (2). ), And further has a reversing center axis (17) composed of a round bar having a central portion joined so as to be orthogonal to the guide tube (18), and has the left half portion and the right half portion. Holding the connecting plate (31) so as to be able to rotate halfway around the reversal center axis (17); The guide tube (18) has its own circumferentially extending horizontal groove and retains the retaining ring (19) in the horizontal groove, whereby the appendages (10, 28) can The acupressure backrest according to claim 1, 2 or 4, wherein the backrest is rotatably supported around respective axes of the pipe (2) and the reversing central axis (17). 6. The acupressure backrest according to claim 1, wherein said hook means (4) has a length adjusting means (36).