• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The object of the present invention is an off-road kit for manual wheelchairs composed of the following elements: - two symmetrical arms in the shape of an inverted v, which are located on both sides of the wheelchair, articulated at the apex, and with a crosspiece that prevents them from opening, - two coaxial propulsion units located near the apex of each arm, - four wheels, located at the ends of the arms, - a crossbar that joins both arms in the front, - energy and control system, - system of maneuver and braking, - mechanical transmission, - and elements of hooking and securing the wheelchair that allow different modes of use. Because of its configuration, the kit can be folded and disassembled, facilitating its transport and storage. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2572734A1
    申请号:ES201500147
    申请日:2015-02-23
    公开日:2016-06-02
    发明作者:Cástor CASAS TOJO
    申请人:Cástor CASAS TOJO；
    IPC主号:
    专利说明:

    DESCRIPTION

    Off-road wheelchair kit.

    Technical sector 5

    The sector of the technique in which the present invention is framed is that of technical aids for people with reduced mobility.

    Background of the invention 10

    Mobility is inherent to the human being, who as a child begins to move and explore the environment. Therefore, when mobility is restricted, it is necessary to use technical support of various kinds, among which we highlight the wheelchairs.
     fifteen
    Focusing on the leisure and mobility sector in all types of terrain for people with reduced mobility, we find the so-called active manual wheelchairs, lighter and with wheels suitable for more irregular terrain This type of chairs, have two types of disadvantages in its off-road use: instability and need for power. twenty

    To solve the stability problems, the usual options in the market are the following:

    - replace the wheels with others further away from the center of gravity (for example, publication US20140035260) or more stable;

    - include a third front wheel, tricycle type (for example, ES2425316),

    Likewise, to solve the need for power, the options available in the market are exploited.

    - incorporation of manual levers (for example, publication US5020818):

    - incorporation of auxiliary electric motor or electric wheels (for example, publications 35 JP2009078044, TW201424713 and EP2810633);

    - use of an auxiliary electric platform to which the wheelchair is mounted (in the case of publications US8132637, US7815004 and US2014216829)
      40
    Likewise, there are multiple solutions that combine the previous ones, as is the case of publications US5020818, US5149118, US5312127, US4892323, US5308098 and US2011011652.

    On the other hand, among the existing solutions in the market, for allowing greater mobility, we highlight

    - handbike tricycles, which can be manual, electric or hybrid, which are practical but unstable and with poor traction in off-road use
     fifty
    - the buggy type vehicles adapted in what is necessary to leave the wheelchair and make a transfer to the new vehicle with the inconveniences that this implies, have a high price and take up a lot of space

    - crawler platforms to which the wheelchair climbs, which offer good 5 off-road features but are very bulky

    Therefore, in order to extend the use to any person with reduced mobility, it is considered necessary to develop an easily transportable kit that, at an affordable cost, allows any manual wheelchair to be adapted for off-road use without the need to abandon it, providing it the same stability, maneuverability and power necessary for its proper handling on uneven terrain

    Explanation of the invention.
     fifteen
    To solve the proposed problem, an off-road kit for manual wheelchairs has been developed, comprising at least the following elements:

    - 2 symmetrical inverted V-shaped arms, which are located on both sides of the wheelchair, each of them articulated at the vertex and with a transverse piece that prevents them from opening, being able to incorporate suspension in its lower part,

    - 2 coaxial propeller units located near the vertex of each arm,

    - 4 wheels, located at the ends of the arms 25

    - 1 crossbar that joins both arms at the front,

    - energy and control system,
     30
    - maneuvering and braking system

    - mechanical transmission system, and

    - elements for hooking and securing the wheelchair. 35

    Since the arms are articulated in the vertex, the piece that joins them transversely is maintained with a fixed opening to circulate, and in turn allows for its disassembly and / or articulation, folding them.
     40
    In this way, by its configuration, the kit can be folded and detachable in the following elements: 2 folded arms that include the transmission system and the operating and brake levers, 1 crossbar (which can be folded), 4 wheels and 1 receptacle with energy storage systems and controllers; which facilitates its transport and storage. Four. Five

    The transmission system is mechanical, and will usually consist of chains, sprockets and gearshift arranged inside the side arms so that they do not affect the folding or, where appropriate, the suspension.
     fifty

    It also has two brake levers that drive the disc brakes located on the wheels

    As for the propulsion, it can be totally manual, fully electric (assisted or not with a variator) or hybrid, incorporating an assisted pedaling sensor 5 that comes into operation when it detects that the user uses the operating levers.

    In the case of a fully electric propulsion, its operation is carried out by means of two potentiometric levers, each of which governs one of the motors, and 10 obeying each position thereof at a degree of power to be applied to the wheels. To move forward we move both levers forward, and backwards to go backwards, while to turn to the right we will move the lever on the left side forward and the one on the right side backwards, and vice versa to turn left. Such levers may include a gearshift. fifteen

    In the case of hybrid propulsion, the levers become the bottom bracket with which we push and when we start the movement with the levers, the pedaling sensor will send the signal to the controller that will help us with the energy of the batteries. The case of manual propulsion would be the same as the hybrid, but without help. twenty

    The traction will preferably be 4x4; although it could be only front or rear.

    As for the hitching and fastening of the wheelchair, we distinguish three different modes. 25

    In a first mode of use there will be a hook on the crossbar that joins both arms which will be coupled with a universal receiver that will be placed in the wheelchair, so that it remains with the front wheels raised and the rear wheels in contact with the ground. 30

    If the terrain is irregular, in a second mode of use, in addition to the hitch described above, the rear wheels will climb through a small ramp on each side, so that they are elevated above the ground.
     35
    Also in a third mode of use, for more rugged terrain, it is possible to hang the wheelchair from both side arms and remove the wheels from the chair, so that the free space to the ground increases.

    On the other hand, the wheels arranged in the arms can be interchangeable depending on the type of terrain, so that they can be used, for example, on beaches or dunes, even being able to arrange a track linking the front and rear wheels.

    Optionally, a small platform can be included at the back of the wheelchair for the passenger, glove boxes on both arms to store personal effects and serve as armrests, as well as a roll bar that serves as a handle for the passenger.


     fifty

    Brief description of the drawings

    To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, a set of drawings is attached as an integral part of said description, in which it is represented by way of illustration and not limitation. the next:

    Figure 1.- Shows a side view of the device of the invention.

    Figure 2.- Shows a top view of the device of the invention. 10

    Figure 3.- Shows a perspective view.

    Figure 4.- Shows a perspective view where the ramp system is appreciated for the second mode of use. fifteen

    Figure 5.- Shows a perspective view where the wheelchair hitch system can be seen in the third mode of use.

    Preferred Embodiment of the Invention

    In a preferred embodiment, two inverted V-shaped articulated arms (1) are joined together by a transverse piece (17) that maintains a fixed opening, located on both sides of the wheelchair (9), which include a lower part that acts as a suspension (2) and two off-road wheels (4) on each arm with all-wheel drive and 25 disc brakes (8). The coaxial motors (3) are arranged on a crossbar (5) that joins both arms (1) in the front.

    Likewise, a hitch (10) is part of the cross member (5) which is coupled to a universal receiver (11) that is arranged in the wheelchair (9). 30

    On the crossbar (5) there is a receptacle for storing the energy and control systems (6) in which the battery and the controllers are located.

    In this particular case, the operation is totally electric and the operation is carried out by means of two potentiometric levers (7) so that to turn to the right we will move the lever on the left forward and backwards the one on the right, and vice versa to Turn left. With the two levers forward, we move forward and backward. Likewise, two brake levers (12) are arranged that act on each of the disc brakes (8) located on the wheels (4). 40

    The mechanical transmission is arranged inside the side arms (1) as well as the gearshift, which are located at the apex of them.

    Also, for use on uneven terrain, there are two ramps (13) by 45 which we raise the rear wheels of the wheelchair (9) so that they are raised on the ground in a second mode of use. For very rough terrain some parts (14) will be used that act as wheelchair lifters (9), so that we can remove the rear wheels of the chair that we will attach on the outside of both sides (1) where they are arranged for that purpose 50
    a fastener (16) for it. The wheelchair (9), once devoid of the side wheels, will be fixed by means of anchors (15).
    权利要求:
    Claims (14)
    [1]

    1. Off-road kit for manual wheelchairs (9) composed of at least the following elements:
     5
    - Two symmetrical inverted V-shaped arms (1), which are located on both sides of the wheelchair (9), articulated at the vertex and with a transverse piece (17) that prevents them from opening,
    - four wheels (4), located at the ends of the arms, 10
    - crossbar (5) that joins both arms at the front,
    - control and energy system (6),
     fifteen
    - maneuvering and braking system
    - mechanical transmission system,
    - wheelchair hitch system (9), 20
    in a way that allows the conversion of a manual wheelchair into a wheelchair suitable for off-road use.

    [2]
    2. Off-road kit for manual wheelchairs (9) according to claim 1, characterized in that it includes two coaxial propeller units (3) located at the vertices of each arm and an energy storage system.

    [3]
    3. Off-road kit for manual wheelchairs (9) according to any of the preceding claims characterized in that the side arms (1) include a suspension (2) in its lower part.

    [4]
    4. Off-road kit for manual wheelchairs (9) according to any of the preceding claims, characterized in that the operation is carried out by means of two potentiometric levers (7) each of which acts on one side of kit 35 (right / left) and two brake levers (12) acting on the disc brakes (8) of the wheels (4).

    [5]
    5. Off-road kit for manual wheelchairs (9) according to any of the preceding claims characterized in that it has more than one crossbar (5) that joins both arms (1) and that these are collapsible, thus allowing the assembly to fold.

    [6]
    6. Off-road kit for manual wheelchairs (9) according to any of the preceding claims, characterized in that all the components that comprise it are removable for transport and storage. Four. Five

    [7]
    7. Off-road kit for manual wheelchairs (9) according to any of the preceding claims, characterized in that the hitch system for the chair is constituted by an adjustable hitch (10) located on the crossbar (5) and a receiver (11) that It is placed in the wheelchair (9). fifty

    [8]
    8. Off-road kit for manual wheelchairs (9) according to any of the preceding claims characterized in that it has lateral ramps (12) through which the wheels of the chair (9) rise so that they are raised from the ground.
     5
    [9]
    9. Off-road kit for manual wheelchairs (9) according to any of the preceding claims characterized in that each side arm includes anchors (15) for the chair, and some fasteners (16) for the wheels of the chair, such that After removing the wheels from the chair they are placed in said fasteners (16) and it is anchored to both arms by means of the anchors (15) thus increasing the free height to the ground.

    [10]
    10. Off-road kit for manual wheelchairs (9) according to any one of the preceding claims, characterized in that it has a hybrid propulsion system in which the levers (7) become the bottom bracket and a 15 pedal assisted sensor is included which activates the electric motor (3) when it detects their movement.

    [11]
    11. Off-road kit for manual wheelchairs (9) according to any of the preceding claims characterized in that the traction is of one of the following 20 types:
    - all-wheel drive (4x4)
    - front wheel drive 25
    - rear wheel drive

    [12]
    12. Off-road kit for manual wheelchairs (9) according to any of the preceding claims, characterized in that the wheels (4) are interchangeable with other special ones, allowing for example their use in sand, dunes, water ...

    [13]
    13. Off-road kit for manual wheelchairs (9) according to any one of the preceding claims 1 to 11, characterized in that the two wheels (4) of the same side arm (1) are joined by a track for greater traction. 35

    [14]
    14. Off-road kit for manual wheelchairs (9) according to any of the preceding claims characterized in that it includes at least one of the following accessories.
     40
    - rear passenger platform
    - receptacle as a glove compartment and armrests in each of the lateral arms (1)
     Four. Five
    - basket or tray rack
    - anti roll bar that serves as a handle for the passenger.
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    同族专利:
    公开号 | 公开日
    ES2572734B1|2017-03-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US4518057A|1983-06-08|1985-05-21|Mccallum Michael|Wheelchair transporting with selectively raisable platform means|
    US5050695A|1990-07-16|1991-09-24|Kleinwolterink Jr Henry|Power attachment for wheelchair|
    US5293950A|1991-01-17|1994-03-15|Patrick Marliac|Off-highway motor vehicle for paraplegic handicapped persons|
    US5826670A|1996-08-15|1998-10-27|Nan; Huang Shun|Detachable propulsive device for wheelchair|
    US6419036B1|1999-12-14|2002-07-16|David A. Miglia|Vehicle for wheel chairs|
    US20040000440A1|2002-06-27|2004-01-01|Sawyer George S.|Attachment means for attaching a wheelchair to a motorized apparatus|
    US20050238337A1|2004-04-27|2005-10-27|Midamerica Electronics Corporation|Wheel chair drive apparatus and method|
    US20100300777A1|2009-05-27|2010-12-02|Beach Mobility, Inc.|Power Add-On Device For Manual Wheelchair|WO2018163088A1|2017-03-09|2018-09-13|Gomez Escobar Luis Guillermo|Multiuse vehicle for manual transport|
    法律状态:
    2017-03-17| FG2A| Definitive protection|Ref document number: 2572734 Country of ref document: ES Kind code of ref document: B1 Effective date: 20170317 |
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201500147A|ES2572734B1|2015-02-23|2015-02-23|Off-road wheelchair kit|ES201500147A| ES2572734B1|2015-02-23|2015-02-23|Off-road wheelchair kit|
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