JP2020058749A - Wheelchair with front wheel in the center - Google Patents

Abstract

To provide a walking assistance tool for enabling a healthy person and an aged person having no confidence in walking by own ability to safely move indoors and to easily perform traveling by own leg force not to cause further decrease of muscle strength.SOLUTION: A wheelchair for enabling getting-on from a front side includes: rear wheels 1 being a pair of wheels arranged on the right side and the left side of a rear part of a wheelchair body; a front wheel 3 arranged in a lower part at the front center of a sitting seat 8; and a front wheel cover 6. The wheelchair has a structure including foot supports that can be opened/closed with a frame 7 in the upper part of the front wheel as a shaft and can be stored under the sitting seat. Thus, right and left corners in a front part of the sitting seat 8 can be eliminated, so that a user can perform traveling by opening legs and can stand up while legs are opened. The frame 7 in the upper part of the front wheel supports the front center of the sitting seat 8, so as to reduce the risk of forward falling of the wheelchair when a user stands up.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a wheelchair that can be loaded from the front, and is characterized in that a front wheel and a front wheel cover are formed at a lower front center of a seating seat, and the frame on the upper front wheel is foldable. A wheelchair with a front wheel in the center.

As a conventional wheelchair technology, there are many four-wheeled wheelchairs, and wheels are attached to the front left and right sides. If the foot support is attached so that the left and right front wheels do not hit the legs, the legs cannot be expanded. Was

In three-wheeled wheelchairs, there are two front wheels and one rear wheel, but the above problem has not been solved.

Regarding three-wheeled wheelchairs, one with two front wheels and one with rear wheels has a handle and a pedal for pedaling etc. in the front part, and in many cases, it is a form of riding across from the side, and the muscle strength of the legs has deteriorated. It was not suitable for healthy people and elderly people to get on and off.
It took up a lot of space because it couldn't be folded.

Prior art

Patent No. 4995999 (P4995999)

In a four-wheeled wheelchair, there are wheels on the left and right sides of the front part, and a foot support is formed in front of the wheels, so that the user cannot open his / her feet. Further, since the front left and right wheels are provided, it is difficult to travel with the foot support housed inside.
Since it is used indoors, the four-wheel wheelchair does not have a fulcrum in the center because it needs to be folded and stored small when not in use, so there was a risk that the wheelchair would fall down before standing up.

The object of the present invention is to allow a healthy person or an elderly person who is not confident in walking by himself to move indoors safely and to keep his legs open by opening his legs so as not to cause further muscle weakness. The purpose of the present invention is to provide a wheelchair that is a walking aid that is easy to drive in.

Means for Solving the Invention

Claiming and enabling it, according to claim 1, in a wheelchair in which a vehicle is loaded from the front, a rear wheel which is a pair of wheels on a left side and a right side of a rear part of a vehicle body and a lower part of a front center of a seating seat. The front wheel and front wheel cover are formed on the front seat.By placing the front wheel in the center of the seat, it is possible to remove the left and right front wheels of the four wheels. In the center, the front wheel and the upper frame of the front wheel directly support the lower part, so that it is formed so as not to fall forward.

In the wheelchair according to claim 2, the foot support is attached to the frame on the upper part of the front wheel at the bottom of the seat seat, and the foot support is capable of being opened and closed for storage, and the left and right foot supports are provided. The foot support can be moved and fixed at the position of 120 degrees and 180 degrees and at the rear part, and the foot support can be lowered to the back at the time of self-propelled and standing up, and when assisted by someone pushing from the back in an emergency, etc. -It was constructed so that you can put your foot forward and put your foot on it.

  In the wheelchair according to claim 3, the front wheel upper frame and the left and right back frames are openably and closably contacted so that the front wheel upper frame can be folded and used indoors. In the wheelchair, the left and right back frames are set so that they can be folded small when not in use.

  In the wheelchair according to claim 4, the arm support is very important, and it is necessary to fix the arm support at a position where the length and height are just right. Until now, the arm support was often attached to the frame of the foot support, but since it was released, fixing the arm support to the back frame with a fastener with a rotary movable axis allows height and front and rear It is configured so that the length can be adjusted and fixed.

  In the wheelchair according to claim 5, when a person pushes the person from behind to assist in an emergency or the like, when placing a foot on the foot support, the caregiver pulls out and fixes the tip of the frame on the upper part of the front wheel upwards and lengthens it. I was able to do it.

  In the wheelchair according to claim 6, since it is assumed that the load on the front wheels is high, one wheel is easily broken. Therefore, the wheel that assists the front wheels connected to the front wheels disperses the load on the front wheels. As configured.

In the wheelchair according to claim 7, since the foot support is capable of removing the foot support around the frame on the front wheel and storing it under the seat, the user does not hit the foot of the user while traveling and It is opened and closed by pushing the foot support with your foot, so you can put it in and out without bending down.

In the wheelchair according to claim 8, the front of the foot support becomes unstable when the foot is put on the foot support and the caregiver pushes it from behind. Therefore, a retractable caster is provided at the bottom of the foot support. At the time of use, it was configured so that the wheelchair and the person being used could be supported by the three points of the front wheels and the left and right casters.

The invention's effect

A healthy person or an elderly person who is not confident in walking on his / her own has no front wheels on the left and right when safely moving indoors, so the range in which he can kick the floor with the power of his legs is large, and the seating seat The rounded tip makes it possible to stand with the knees widened to the width of the shoulder, and since it supports the center of the front, it is possible to reduce the risk of the wheelchair tipping forward when standing up.

  It is a perspective view of a wheelchair with a front wheel according to an embodiment of the present invention in the center.   It is a front view of a wheelchair which has a front wheel in the center according to an embodiment of the present invention.   It is a top view of a wheelchair which has a front wheel in the center according to an embodiment of the present invention.   It is a side view of a wheelchair which has a front wheel in the center according to an embodiment of the present invention.   It is a perspective view which shows the framework of this invention.   It is a front view of the example of use when the foot support of the present invention is opened.

1 to 4 show an embodiment of a wheelchair with a front wheel in the center according to the present invention. In FIG. 3, the first arm and the second arm are connected in a V shape around the frame 7 above the front wheels as an axis, and the handle 17 at the top of the back frame is held and can be opened and closed.

In FIG. 2, a front wheel 3 and a front wheel cover 6 are formed on the left and right sides of the rear part of the vehicle body at the lower front center of a pair of rear wheels 1 and a seating seat 8.

  In FIG. 3, the seat 8 has a rounded front end without any corners. In addition, although the front surface of the seat 8 has a semicircular shape in the embodiment, it is not necessarily limited to this, and the front of the saddle used for a bicycle having no front angle and only the front center is projected forward. It may be in the form of.

In FIG. 5, the front and rear lengths of the arm support are adjusted by sliding and fixing the groove on the arm support connection portion 10 and the groove on the lower portion of the arm support 5.
The height is adjusted by changing the fixed position of the arm support, back and arm support connection part.
It is connected to the arm support connection with a rotatable fastener.

  It is like a tip 11 lid of the frame on the front wheel, and the length can be changed by pulling it out and fixing it.

In FIG. 6, two wheels 4 that assist the front wheels connected to the front wheels 3 are formed diagonally behind the front wheels 3.
A caster 16 that can be folded and stored is provided below the foot support 9.

1 Rear Wheel 2 Rear Wheel Grip 3 Front Wheel 4 Wheel to Assist Front Wheel 5 Arm Support 6 Front Wheel Cover 7 Frame on Front Wheel 8 Seating Seat 9 Foot Support 10 Arm Support Connection 11 Tip of Frame on Front Wheel 12 1st Arm 13th 2 Arms 14 Back horizontal frame 15 Back frame 16 Caster 17 Handle

Claims (8)

In a wheelchair that can be loaded from the front, a seat wheel including a front wheel 3 and a front wheel cover 6 is formed on the left and right sides of a rear part of a vehicle body, and a rear wheel 1 and a seating seat 8 are formed in the lower center of the front center. -A wheelchair with a front wheel in the center, which is characterized by having a stowable foot support under the bottom 8.   The wheelchair with front wheel in the center according to claim 1, characterized in that the seating seat (8) is rounded with no corners at the left and right ends of the front surface.   A wheelchair having a front wheel in the center according to claim 1 or 2, wherein the frame 7 at the upper part of the front wheel is an axis, and the frames 15 at the left and right back parts can be opened and closed.   The arm support 5 is not fixed at the front, so that the arm support connecting portion 10 is rotatable, and the fixing height and front and rear lengths can be adjusted. Wheelchair with front wheel in the center   7. A wheelchair with a front wheel in the center according to claim 1, characterized in that the length of the front end 11 of the frame above the front wheel can be varied by pulling it out and fixing it.   A wheelchair having a front wheel in the center according to any one of claims 1 to 5, characterized in that a wheel 4 for assisting the front wheel connected to the front wheel 3 is formed. A wheelchair with a front wheel according to any one of claims 1 to 6, which has a foot support 9 that can be removed and stowed under a seat surface. A caster that can be stored is provided below the foot support 9, and is formed so that a wheelchair and a person to be used can be supported by three points of the front wheel 3 and the left and right casters when the foot support is used. Wheelchair with the front wheel according to claim 7 in the center

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