WO2013058693A1 - Driver operational area and a vehicle provided with such an area - Google Patents

Driver operational area and a vehicle provided with such an area Download PDF

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Publication number
WO2013058693A1
WO2013058693A1 PCT/SE2012/000162 SE2012000162W WO2013058693A1 WO 2013058693 A1 WO2013058693 A1 WO 2013058693A1 SE 2012000162 W SE2012000162 W SE 2012000162W WO 2013058693 A1 WO2013058693 A1 WO 2013058693A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
seat
driver area
driver
protection element
Prior art date
Application number
PCT/SE2012/000162
Other languages
French (fr)
Inventor
Göran FOLKESSON
Hans Folkesson
Yngve Håland
Original Assignee
Clean Motion Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clean Motion Ab filed Critical Clean Motion Ab
Publication of WO2013058693A1 publication Critical patent/WO2013058693A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces transversal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4249—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats fixed structures, i.e. where neither the seat nor a part thereof are displaced during a crash
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4242—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces vertical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/06—Safety nets, transparent sheets, curtains, or the like, e.g. between occupants and glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0006—Lateral collision
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0002—Type of accident
    • B60R2021/0018—Roll-over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R2021/0065—Type of vehicles
    • B60R2021/0088—Cycles, e.g. motorcycles

Definitions

  • the present invention relates to a driver operational area for a vehicle, for example a three-wheel vehicle, where the driver area is at the front section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, where the driver area is reducing the risk for injury to that one sitting on the seat in the driver area in a side collision or a roll-over accident.
  • the seat in the driver area is fixed to the floor structure of the vehicle and to the roof structure of the vehicle.
  • the driver area has protection elements along the two sides of the seat which are parallel with the normal direction of travel of the vehicle, where the protection elements extend in front of the backrest and headrest of the seat, seen in the normal direction of travel of the vehicle.
  • small and light vehicles such as three-wheel vehicles with one wheel at the front section, are steered by the front wheel of the vehicle and that the driver area is at the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle.
  • the publication WO 03/057524 shows a special arrangement where the vehicle seat is arranged on a frame, where the frame is attached to the floor of the vehicle and to the roof of the vehicle.
  • the publication US2007108811 is related to a seat, where the lower part of the seat is attached to the floor of the vehicle and where the upper part of the seat is attached to the roof of the vehicle.
  • the publication DE 196 28 108 shows a front seat in a vehicle, where a net has been arranged on that side of the seat which is towards the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, the net extends from the headrest to a point near the front end on the seat squab. The arrangement prevents the occupant ' s body moving towards the centre of the vehicle, but does not prevent the head of the occupant from moving towards the centre of the vehicle, in a side collision.
  • the publication DE 10 2005 038 265 shows the driver area of an industrial truck, where the driver area has a protection arrangement which automatically moves down in an accident situation.
  • the protection arrangement has netting, which in some embodiments is only in front of the driver and in some embodiments in front and beside the driver.
  • the publication DE 43 03 719 shows a seat design, where the total seat design is of fabric and where the seat design is held between the floor and the roof of the vehicle by straps.
  • the fabric constitutes the seat squab, the backrest and side sections.
  • the purpose of the invention is to obtain a driver area for a vehicle, for example a three-wheel vehicle, where the driver area of the vehicle is in the front section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, such as a three-wheel vehicle, where the risk of injury in a side collision or roll-over collision is reduced, for that one sitting on the seat of the driver area.
  • Small and light vehicles, such as three-wheel vehicles normally have a very simple design to keep down the weight and cost of the vehicle. To keep down the weight and cost the vehicles normally are without doors and expensive electronics for safety equipment.
  • the vehicle needs to be equipped with a safety device, such as a seat belt, which will reduce the movement of the driver in a collision or a roll-over accident.
  • a safety device such as a seat belt
  • the vehicle ought to be designed with some form of energy absorbing areas.
  • the seat in the driver area is fixed to the floor structure of the vehicle and to the roof structure of the vehicle, preferably as a part of the support structure of the vehicle.
  • the driver area has according to the invention on the two sides of the seat, which are parallel with the normal direction of travel of the vehicle protection elements which are attached to the roof structure of the vehicle, in front of the backrest and headrest of the seat, and extending towards the floor structure of the vehicle.
  • the protection elements are at least at the top section of a material which the driver of the vehicle can see through, such as a net or a transparent material.
  • a driver area according to the invention with a seat as a part of the support structure of the vehicle and protection elements according to the invention will give a driver area which in a side collision or roll-over accident reduces the risk for injury to that one sitting on the seat of the driver area, at the same time as that one sitting on the seat of the driver area has good control of what is happening beside the vehicle as well as that one sitting on the seat of the driver area having easy access to and exit from the seat of the driver area.
  • a driver area according to the invention increases the safety for that one sitting on the seat of the driver area at the same time as a driver area according to the invention will give a very cost effective technical solution.
  • figure 1 a side view of a small and light vehicle with a driver area according to the invention
  • figure 2 an embodiment where the protection element is attached along the roof of the vehicle and along the headrest and backrest of the vehicle
  • figure 3 an embodiment according to the invention where the protection element is attached to the roof of the vehicle with a holding arrangement at that part of the protection element which is furthest away from the seat
  • figure 4 an embodiment with a bar attached to the roof of the vehicle where the protection element is movable along the bar
  • figure 5 an embodiment where the top section of the protection element is fixed to a pivot bar
  • figure 6 an embodiment where the protection element is stretching along the roof of the vehicle and along the squab of the seat
  • figure 7 an embodiment where the protection element is attached to the roof structure of the vehicle and the floor structure of the vehicle
  • figure 8 an embodiment where the protection element has an additional pull-out section to protect against weather and wind.
  • Figure 1 shows a small and light vehicle in the shape of a three-wheel vehicle, where the vehicle (10) has a support structure (11) with a floor structure (12) and a roof structure (13).
  • the vehicle has a driver area arranged in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle.
  • the driver area has a seat (14) which extends between the floor structure (12) and the roof structure (13).
  • the seat (14) is a part of the support structure (11) of the vehicle (10).
  • the vehicle has two wheels (15) at the rear section of the vehicle (10) and one wheel (16) at the front section of the vehicle (10).
  • the front wheel (16) is built together with a steering arrangement (17), in the shown embodiment with a handle bar (18).
  • the seat (14) of the driver area consists of a squab (19), a backrest (20) and a headrest (21).
  • the driver area is equipped with a safety belt (22).
  • the driver area has two protection elements (23), one protection element (23) on each side of the seat (14) of the driver area, seen perpendicular to the normal direction of travel of the vehicle (10).
  • the safety belt (22) reduces the movement of the driver of the vehicle (10) in relation to the vehicle (10) in a collision.
  • the protection elements (23) are arranged at the backrest (20) of the seat (14) and the headrest (21) of the seat (14) and extend forward from the headrest (21) of the seat (14), seen in the normal direction of travel of the vehicle (10).
  • the protection elements (23) reduce the movement of the driver of the vehicle (10) especially in a side collision or a roll-over accident.
  • FIG. 1 is showing schematically an embodiment where the seat (14) is fixed to the roof structure
  • the protective elements (23) are extending forward from the headrest (21) of the seat (14) and the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle (10).
  • the protection elements (23) together with the safety belt (22) will reduce the risk that the driver of the vehicle (10) will leave the seat (14) in a side collision or a roll-over accident.
  • the attachments of the protection elements (23) to the roof structure (13) of the vehicle (10) and to the seat (14) must be such that the attachments can take up the forces that will occur when a driver of the vehicle (10) hits the protection elements (23) in a side collision or a roll-over accident.
  • the protection elements (23) ought to be of a yieldable material such as for example a fabric or a net.
  • the attachment of the protection elements (23) can be arranged with eyelets and hooks.
  • the protection elements (23) are arranged on both sides of the seat (14) of the driver area and extending forward from the headrest (21) of the seat (14) and the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle (10), a distance which will prevent a belted driver from leaving the seat (14) in a side collision or a roll-over accident, the protection elements (23) will cover an area where the driver of the vehicle (10) normally needs to see what is happening.
  • the protection elements (23) blocking the field of vision for the driver of the vehicle (10) it is necessary that the protection elements (23) are of a material which the driver of the vehicle (10) can see through, is transparent, at least at the area of the protection elements (23) which are at the headrest (21) of the seat (14).
  • the protection elements (23) are extending forward from the headrest (21) of the seat (14) and the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle, a distance which will prevent the driver from leaving the seat (14) in a side collision or a roll-over accident, the protection elements (23) will be an obstacle when the driver of the vehicle (10) enters the driver area, sitting down on the seat (14) or when the driver leaves the driving area, rising from the seat (14).
  • one of the protection elements (23) at least can be arranged so that the protection element (23) can be moved between two positions, an active position and a retracted position.
  • Figure 3 shows schematic a side of a seat (14), with a simple arrangement to hold a protection element (23) in the active position.
  • a holding arrangement (24) such as a hook (25) or a similar arrangement
  • the protection element (23) ought to be equipped with a holding element, such as an eyelet.
  • a simple holding arrangement (24) according to the above the protection element (23), when it is in the retracted position, will have a section which is in an undefined position, which will prevent the driver of the vehicle (10) moving the protection element (23) from the retracted position to the active position with ease.
  • That part of the protection element (23) which is towards the roof structure (13) of the vehicle (10) can be moveably arranged on a bar (26).
  • the bar (26) is arranged mainly parallel with the roof structure (13) of the vehicle (10) and fixed to the roof structure (13).
  • Figure 4 shows a bar (26) fixed to the roof structure (13) of the vehicle (10) at both ends of the bar (26).
  • the protection element (23) in the shown embodiment has an eyelet (27), at that part of the protection element (23), which is furthest from the headrest (21) of the seat (14), but the protection element (23) can have a number of eyelets (27) which may run on the bar (26).
  • the bar (26) can be equipped with a holding arrangement (28), at that end part of the bar (26) which is furthest from the headrest (21) of the seat (14).
  • the holding arrangement (28) consists of a downward curve (29) on the bar (26) and an eyelet (27) on the protection element (23), which will give a simple holding arrangement (28) which is very easy to manoeuvre.
  • the protection element (23), shown in figure 5 is that part of the protection element (23) which is towards the roof structure (13) of the vehicle (10) attached along a bar (30) which can pivot in relation to the roof structure (13) of the vehicle (10).
  • the support (31) for the pivot bar (30) can advantageously be at the side of the seat (14) of the driver area or at the side of and behind the seat (14) of the driver area, seen in the normal direction of travel of the vehicle (10).
  • a holding arrangement (32) is situated at that end of the pivot bar (30) which is in front of and furthest from the headrest (21) of the seat (14).
  • the holding arrangement (32) in the shown embodiment consists of a hook arrangement (33), when the protection element (23) shall be retained in the active position, the pivot bar (30) is moved towards the holding arrangement (32) and lifted, so that the pivot bar (30) can be placed in the hook arrangement (33).
  • the protection element (23) shall be moved from the active position the pivot bar (30) is lifted out of the hook arrangement (33) and thereafter moved from the active position towards the retracted position.
  • FIG 6 there shows an embodiment where the protection element (23) extends forward, seen in the normal direction of travel of the vehicle (10), from the headrest (21) and backrest (20) of the seat as well as at the roof structure (13) of the vehicle (10) and along the squab (19) of the seat (14).
  • the part of the protection element (23) at the roof structure (13) of the vehicle (10) as well as the lower section (34) of the protection element (23) at the squab (19) of the seat (14) can be moved between two positions, an active position and a retracted position.
  • Figure 6 shows an embodiment of the arrangement for moving the lower section (34) of the protection element (23) between the two positions, active position and retracted position, where the arrangement consists of a bar (35) fixed to the support structure (11) of the vehicle (10) or to the squab (19) of the seat (14).
  • the bar (35) is equipped with a holding arrangement (36) at that part which is furthest from the backrest (20) of the seat (14).
  • the holding arrangement (36) is designed as an upward curve (37) on the bar (35), similar to the arrangement at the upper part of the protection element (23) described with reference to figure 4.
  • the arrangement for moving the lower section (34) of the protection element (23) between the two positions, active position and retracted position can be of other designs, for example as described earlier with reference to the figures 3 or 5.
  • protection element (23) stretching forward, seen in the normal direction of travel of the vehicle (10), from the headrest (21) and backrest (20) of the seat (14) at both the roof structure (13) of the vehicle (10) and the squab (19) of the seat (14) very good safety is obtained for that one sitting on the seat (14) in a side collision or a roll-over accident.
  • the design will also give a good protection against the weather and wind for that one sitting on the seat (14) when the protection elements (23) are manufactured from a water resistant material.
  • FIG. 7 shows an embodiment of the protection element (23) where the protection element (23) is attached to the roof structure (13) of the vehicle (10) and to the floor structure (12) of the vehicle (10).
  • Such a design will give a simple arrangement for attaching the protection elements (23) at the driver area of the vehicle (10).
  • the fixation of the protection elements (23) to the floor structure (12) of the vehicle (10) can be at the same place as one of the fixations (38) of the seat belt (22) to the floor structure (12) of the vehicle (10) whereby the number of fixations to the floor structure (12) of the vehicle (10) can be reduced and a simple and cheap fixation is obtained.
  • any of the solutions which are shown in the figures 3 to 5 can be used.
  • a solution according to figure 6 can be used, where the protection elements (23) extend along the roof structure (13) of the vehicle (10) as well as the squab (19) of the seat (14).
  • the protection elements (23) can be attached to the roof structure (13) of the vehicle (10), the floor structure (12) of the vehicle (10) and to some part of the seat (14) of the driver area, for example the backrest (20) of the seat (14), so that the movement sideways of the protection elements (23) are limited.
  • the protection elements (23) can be manufactured from a number of materials but it is an advantage if the protection elements (23) are of a yieldable material such as, for example, a fabric or a net, so that the driver of the vehicle (10) resiliently can be caught by the protection elements (23) in a side collision or a roll-over accident. To make it possible for the fabric or net to take up the forces which occur it is necessary that the protection elements (23) of such material have reinforcements (39) along the free edges, see figure 8.
  • the protection elements (23) can be manufactured from water resistant material or water and wind resistant material or of a material coated with a water resistant material or water and wind resistant material.
  • the protection elements (23) can stretch along the squab (19) of the seat (14), as shown in figure 6.
  • additional weather and wind repellent elements (40) can be arranged along those sides of the vehicle (10) which are parallel with the normal direction of travel of the vehicle (10).
  • the additional weather and wind repellent elements (40) can be wound up in containers (41) which can be attached to the support structure (11) of the vehicle (10) or to the protection elements (23).
  • Figure 8 shows a container (41) for an additional weather and wind repellent element (40) arranged at the forward edge on a protection element (23), seen in the normal direction of travel of the vehicle (10). Dotted lines are shown as an example where an additional weather and wind repellent element (40) can be arranged when in the active position.
  • a driver area for small and light vehicles, where the driver area is in the frontal section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, such as three wheel-vehicles, where the risk for injury in a side collision or a roll-over accident is substantially reduced for a belted person sitting on the seat (14) of the driver area.
  • Small and light vehicles such as three wheel-vehicles, have normally a very simple design to obtain a low weight and to obtain a vehicle at a low cost.
  • the protection elements (23) designed with an upper section of a material which allows the driver of the vehicle (10) to see through the protection elements (23) the driver of the vehicle (10) can keep a good control of what is going on beside to the vehicle (10) .
  • the protection elements (23) are arranged so that they can be moved between two positions, an active position and a retracted position, the protection elements (23) will not give the driver of the vehicle (10) any difficulties when the driver shall enter or leave the seat (14) of the driver area.
  • the protection elements (23) attached to the vehicle (10) according to the invention a very cost efficient technical solution will be obtained.
  • driver area can be modified in a number of ways within the framework of the inventive idea as it is presented in the attached patent claims.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Seats For Vehicles (AREA)

Abstract

Driver area for a vehicle where the driver area is arranged in the front section of the vehicle, for example a three wheel-vehicle, where the driver area has protection equipment to reduce the risk for injury to a driver in a side collision or a roll-over accident. The protection equipment includes a seat (14) fixed to a floor structure (12) and to a roof structure (13) and protection elements (23) arranged at the sides of the seat (14). The protection elements (23) are arranged along the roof structure (13) in front of the headrest (21) of the seat (14) and extending towards the floor structure (12). At least one protection element (23) is moveably arranged in relation to the roof structure (13). At least a top section of the protection element (23) is of a material the driver of the vehicle (10) can see through. The invention also concerns a vehicle provided with a driver area.

Description

DRIVER OPERATIONAL AREA AND A VEHICLE
PROVIDED WITH SUCH AN AREA
Field of invention.
The present invention relates to a driver operational area for a vehicle, for example a three-wheel vehicle, where the driver area is at the front section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, where the driver area is reducing the risk for injury to that one sitting on the seat in the driver area in a side collision or a roll-over accident. The seat in the driver area is fixed to the floor structure of the vehicle and to the roof structure of the vehicle. The driver area has protection elements along the two sides of the seat which are parallel with the normal direction of travel of the vehicle, where the protection elements extend in front of the backrest and headrest of the seat, seen in the normal direction of travel of the vehicle.
Background of the invention.
It is well known that small and light vehicles, such as three-wheel vehicles with one wheel at the front section, are steered by the front wheel of the vehicle and that the driver area is at the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle.
From the publication US 4,798,399 it is known to equip the driver area of a three-wheel vehicle with a safety belt.
The publication WO 03/057524 shows a special arrangement where the vehicle seat is arranged on a frame, where the frame is attached to the floor of the vehicle and to the roof of the vehicle.
The publication US2007108811 is related to a seat, where the lower part of the seat is attached to the floor of the vehicle and where the upper part of the seat is attached to the roof of the vehicle. The publication DE 196 28 108 shows a front seat in a vehicle, where a net has been arranged on that side of the seat which is towards the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, the net extends from the headrest to a point near the front end on the seat squab. The arrangement prevents the occupant's body moving towards the centre of the vehicle, but does not prevent the head of the occupant from moving towards the centre of the vehicle, in a side collision.
From the publication US 2008/0048424 it is known to have a net on that side of the seat which is towards the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, where in one embodiment the net is fixed to a vertical pillar next to the seat and extends from a point on the pillar above the head of the occupant of the seat to a point next to the frontend of the seat squab where the net is fixed to an arm which extends from the pillar. In another embodiment the net is hanging from an arm which is fixed to the pillar above the head of that one sitting on the seat and covers a large part of the cab.
The publication DE 10 2005 038 265 shows the driver area of an industrial truck, where the driver area has a protection arrangement which automatically moves down in an accident situation. The protection arrangement has netting, which in some embodiments is only in front of the driver and in some embodiments in front and beside the driver.
The publication DE 43 03 719 shows a seat design, where the total seat design is of fabric and where the seat design is held between the floor and the roof of the vehicle by straps. The fabric constitutes the seat squab, the backrest and side sections.
From the publication US 2007/0170742 is known a very special seat design, where the seat design consists of fabric and straps, where the seat design is hanging in horizontal straps.
Summary of the invention.
The purpose of the invention is to obtain a driver area for a vehicle, for example a three-wheel vehicle, where the driver area of the vehicle is in the front section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, such as a three-wheel vehicle, where the risk of injury in a side collision or roll-over collision is reduced, for that one sitting on the seat of the driver area. Small and light vehicles, such as three-wheel vehicles, normally have a very simple design to keep down the weight and cost of the vehicle. To keep down the weight and cost the vehicles normally are without doors and expensive electronics for safety equipment. To obtain acceptable safety the vehicle needs to be equipped with a safety device, such as a seat belt, which will reduce the movement of the driver in a collision or a roll-over accident. To reduce the force acting on that one sitting on the seat of the driver area in a collision the vehicle ought to be designed with some form of energy absorbing areas. To obtain a simple and light design of a vehicle according to the invention the seat in the driver area is fixed to the floor structure of the vehicle and to the roof structure of the vehicle, preferably as a part of the support structure of the vehicle. To reduce the risk of injury to that one sitting on the seat in the driver area, especially in side collisions or roll-over accidents, the driver area has according to the invention on the two sides of the seat, which are parallel with the normal direction of travel of the vehicle protection elements which are attached to the roof structure of the vehicle, in front of the backrest and headrest of the seat, and extending towards the floor structure of the vehicle. The protection elements are at least at the top section of a material which the driver of the vehicle can see through, such as a net or a transparent material. To allow the driver easy access to the seat of the driver area and easy exit from the seat of the driver area at least the protection element on one side of the driver area is movable between an active position and a retracted position. A driver area according to the invention with a seat as a part of the support structure of the vehicle and protection elements according to the invention will give a driver area which in a side collision or roll-over accident reduces the risk for injury to that one sitting on the seat of the driver area, at the same time as that one sitting on the seat of the driver area has good control of what is happening beside the vehicle as well as that one sitting on the seat of the driver area having easy access to and exit from the seat of the driver area. A driver area according to the invention increases the safety for that one sitting on the seat of the driver area at the same time as a driver area according to the invention will give a very cost effective technical solution.
Brief description of the drawings.
With reference to the attached drawings detailed descriptions of embodiments of the invention will be presented as examples.
On the drawings are shown in
figure 1 a side view of a small and light vehicle with a driver area according to the invention, figure 2 an embodiment where the protection element is attached along the roof of the vehicle and along the headrest and backrest of the vehicle, figure 3 an embodiment according to the invention where the protection element is attached to the roof of the vehicle with a holding arrangement at that part of the protection element which is furthest away from the seat, figure 4 an embodiment with a bar attached to the roof of the vehicle where the protection element is movable along the bar, figure 5 an embodiment where the top section of the protection element is fixed to a pivot bar, figure 6 an embodiment where the protection element is stretching along the roof of the vehicle and along the squab of the seat, figure 7 an embodiment where the protection element is attached to the roof structure of the vehicle and the floor structure of the vehicle and figure 8 an embodiment where the protection element has an additional pull-out section to protect against weather and wind. Detailed description of the preferred embodiments.
Figure 1 shows a small and light vehicle in the shape of a three-wheel vehicle, where the vehicle (10) has a support structure (11) with a floor structure (12) and a roof structure (13). The vehicle has a driver area arranged in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle. The driver area has a seat (14) which extends between the floor structure (12) and the roof structure (13). The seat (14) is a part of the support structure (11) of the vehicle (10). The vehicle has two wheels (15) at the rear section of the vehicle (10) and one wheel (16) at the front section of the vehicle (10).The front wheel (16) is built together with a steering arrangement (17), in the shown embodiment with a handle bar (18).The seat (14) of the driver area consists of a squab (19), a backrest (20) and a headrest (21). The driver area is equipped with a safety belt (22). The driver area has two protection elements (23), one protection element (23) on each side of the seat (14) of the driver area, seen perpendicular to the normal direction of travel of the vehicle (10). The safety belt (22) reduces the movement of the driver of the vehicle (10) in relation to the vehicle (10) in a collision. The protection elements (23) are arranged at the backrest (20) of the seat (14) and the headrest (21) of the seat (14) and extend forward from the headrest (21) of the seat (14), seen in the normal direction of travel of the vehicle (10). The protection elements (23) reduce the movement of the driver of the vehicle (10) especially in a side collision or a roll-over accident.
Figure 2 is showing schematically an embodiment where the seat (14) is fixed to the roof structure
(13) of the vehicle (10) and where the protection elements (23) are fixed directly to the roof structure (13) as well as to the headrest (21) of the seat (14) and to the backrest (20) of the seat
(14) . The protective elements (23) are extending forward from the headrest (21) of the seat (14) and the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle (10). The protection elements (23) together with the safety belt (22) will reduce the risk that the driver of the vehicle (10) will leave the seat (14) in a side collision or a roll-over accident. The attachments of the protection elements (23) to the roof structure (13) of the vehicle (10) and to the seat (14) must be such that the attachments can take up the forces that will occur when a driver of the vehicle (10) hits the protection elements (23) in a side collision or a roll-over accident. To reduce the risk that the driver of the vehicle (10) is injured in a side collision or a roll-over accident the protection elements (23) ought to be of a yieldable material such as for example a fabric or a net. In a simple
embodiment the attachment of the protection elements (23) can be arranged with eyelets and hooks.
As the protection elements (23) are arranged on both sides of the seat (14) of the driver area and extending forward from the headrest (21) of the seat (14) and the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle (10), a distance which will prevent a belted driver from leaving the seat (14) in a side collision or a roll-over accident, the protection elements (23) will cover an area where the driver of the vehicle (10) normally needs to see what is happening. To avoid the protection elements (23) blocking the field of vision for the driver of the vehicle (10) it is necessary that the protection elements (23) are of a material which the driver of the vehicle (10) can see through, is transparent, at least at the area of the protection elements (23) which are at the headrest (21) of the seat (14).
As the protection elements (23) are extending forward from the headrest (21) of the seat (14) and the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle, a distance which will prevent the driver from leaving the seat (14) in a side collision or a roll-over accident, the protection elements (23) will be an obstacle when the driver of the vehicle (10) enters the driver area, sitting down on the seat (14) or when the driver leaves the driving area, rising from the seat (14). To make it easier for the driver of the vehicle (10) to enter the seat (14) of the driver area or to leave the seat (14) of the driver area one of the protection elements (23) at least can be arranged so that the protection element (23) can be moved between two positions, an active position and a retracted position.
Figure 3 shows schematic a side of a seat (14), with a simple arrangement to hold a protection element (23) in the active position. The protection element (23), at that part which is furthest from the headrest (21) of the seat (14), is attached to the roof structure (13) of the vehicle (10) with a holding arrangement (24) such as a hook (25) or a similar arrangement, so that the protection element (23) easily can be disconnected from the roof structure (13) of the vehicle (10) when the driver of the vehicle (10) shall enter the seat (14) of the driver area or leave the seat (14) of the driver area. To make it easier to attach and release the protection element (23) to or from a holding arrangement (24), such as a hook (25), the protection element (23) ought to be equipped with a holding element, such as an eyelet. With a simple holding arrangement (24) according to the above the protection element (23), when it is in the retracted position, will have a section which is in an undefined position, which will prevent the driver of the vehicle (10) moving the protection element (23) from the retracted position to the active position with ease.
To make it easier for a driver of the vehicle (10) to move the protection element (23) from the retracted position to the active position, that part of the protection element (23) which is towards the roof structure (13) of the vehicle (10) can be moveably arranged on a bar (26). The bar (26) is arranged mainly parallel with the roof structure (13) of the vehicle (10) and fixed to the roof structure (13). Figure 4 shows a bar (26) fixed to the roof structure (13) of the vehicle (10) at both ends of the bar (26). The protection element (23) in the shown embodiment has an eyelet (27), at that part of the protection element (23), which is furthest from the headrest (21) of the seat (14), but the protection element (23) can have a number of eyelets (27) which may run on the bar (26). To maintain the protection element (23) in the active position the bar (26) can be equipped with a holding arrangement (28), at that end part of the bar (26) which is furthest from the headrest (21) of the seat (14). In the shown embodiment the holding arrangement (28) consists of a downward curve (29) on the bar (26) and an eyelet (27) on the protection element (23), which will give a simple holding arrangement (28) which is very easy to manoeuvre. With a design of the attachment of the protection element (23) to the roof structure (13) of the vehicle (10) according to above, it will be easy for the driver of the vehicle (10) to take the protection element (23) at the retracted position and move the protection element (23) to the active position, where the protection element (23) will be retained by a holding arrangement.
In one embodiment of the protection element (23), shown in figure 5, is that part of the protection element (23) which is towards the roof structure (13) of the vehicle (10) attached along a bar (30) which can pivot in relation to the roof structure (13) of the vehicle (10). The support (31) for the pivot bar (30) can advantageously be at the side of the seat (14) of the driver area or at the side of and behind the seat (14) of the driver area, seen in the normal direction of travel of the vehicle (10). At that end of the pivot bar (30) which is in front of and furthest from the headrest (21) of the seat (14) a holding arrangement (32) is situated. The holding arrangement (32) in the shown embodiment consists of a hook arrangement (33), when the protection element (23) shall be retained in the active position, the pivot bar (30) is moved towards the holding arrangement (32) and lifted, so that the pivot bar (30) can be placed in the hook arrangement (33). When the protection element (23) shall be moved from the active position the pivot bar (30) is lifted out of the hook arrangement (33) and thereafter moved from the active position towards the retracted position. With an embodiment of the attachment of the protection element (23) to the roof structure (13) of the vehicle (10) according to above, it will be easy for the driver of the vehicle (10) to move the protection element (23) between the two positions, retained position and active position, and the protection element (23) will be retained in active position by the holding arrangement (32).
In figure 6 there shows an embodiment where the protection element (23) extends forward, seen in the normal direction of travel of the vehicle (10), from the headrest (21) and backrest (20) of the seat as well as at the roof structure (13) of the vehicle (10) and along the squab (19) of the seat (14). To not restrict the driver, when the driver shall enter the seat (14) of the driver area or when the driver shall leave the seat (14) of the driver area the part of the protection element (23) at the roof structure (13) of the vehicle (10) as well as the lower section (34) of the protection element (23) at the squab (19) of the seat (14) can be moved between two positions, an active position and a retracted position. Figure 6 shows an embodiment of the arrangement for moving the lower section (34) of the protection element (23) between the two positions, active position and retracted position, where the arrangement consists of a bar (35) fixed to the support structure (11) of the vehicle (10) or to the squab (19) of the seat (14). To maintain the protection element (23) in the active position the bar (35) is equipped with a holding arrangement (36) at that part which is furthest from the backrest (20) of the seat (14). In the shown embodiment the holding arrangement (36) is designed as an upward curve (37) on the bar (35), similar to the arrangement at the upper part of the protection element (23) described with reference to figure 4. The arrangement for moving the lower section (34) of the protection element (23) between the two positions, active position and retracted position, can be of other designs, for example as described earlier with reference to the figures 3 or 5. With protection element (23) stretching forward, seen in the normal direction of travel of the vehicle (10), from the headrest (21) and backrest (20) of the seat (14) at both the roof structure (13) of the vehicle (10) and the squab (19) of the seat (14) very good safety is obtained for that one sitting on the seat (14) in a side collision or a roll-over accident. The design will also give a good protection against the weather and wind for that one sitting on the seat (14) when the protection elements (23) are manufactured from a water resistant material. With the possibility to move the protection elements (23) between the two positions, active position and retracted position, at the protection elements (23) attachment to the roof structure (13) of the vehicle (10) as well as at the squab (19) of the seat (14), the restrictions for the driver when entering the seat (14) of the driver area or when the driver shall leave the seat (14) of the driver area are minimized.
In the above described embodiments of the protection elements (23) of the driver area it has been stated and shown that the protection elements (23) are attached to the roof structure (13) of the vehicle (10) and attached at to the seat (14) of the driver area along the headrest (21) of the seat (14) and the backrest (20) of the seat (14). Figure 7 shows an embodiment of the protection element (23) where the protection element (23) is attached to the roof structure (13) of the vehicle (10) and to the floor structure (12) of the vehicle (10). Such a design will give a simple arrangement for attaching the protection elements (23) at the driver area of the vehicle (10). The fixation of the protection elements (23) to the floor structure (12) of the vehicle (10) can be at the same place as one of the fixations (38) of the seat belt (22) to the floor structure (12) of the vehicle (10) whereby the number of fixations to the floor structure (12) of the vehicle (10) can be reduced and a simple and cheap fixation is obtained. To make it easier for the driver of the vehicle (10) to enter and leave the seat (14) of the driver area any of the solutions which are shown in the figures 3 to 5 can be used. To improve the safety, for example, a solution according to figure 6 can be used, where the protection elements (23) extend along the roof structure (13) of the vehicle (10) as well as the squab (19) of the seat (14).
In a special embodiment the protection elements (23) can be attached to the roof structure (13) of the vehicle (10), the floor structure (12) of the vehicle (10) and to some part of the seat (14) of the driver area, for example the backrest (20) of the seat (14), so that the movement sideways of the protection elements (23) are limited.
The protection elements (23) can be manufactured from a number of materials but it is an advantage if the protection elements (23) are of a yieldable material such as, for example, a fabric or a net, so that the driver of the vehicle (10) resiliently can be caught by the protection elements (23) in a side collision or a roll-over accident. To make it possible for the fabric or net to take up the forces which occur it is necessary that the protection elements (23) of such material have reinforcements (39) along the free edges, see figure 8. To obtain high strength in that section of the protection elements (23) which is meant to catch the driver in a side collision or a roll-over accident and at the same time give the driver of the vehicle (10) good vision through the top section of the protection element (23), net with smaller mesh at that section of the protection elements (23) which is intended to catch the body of the driver and larger mesh at that section of the protection elements (23) where good vision is necessary can be used, for example.
In order to affect that one sitting on the seat (14) of the driver area as little as possible by the weather and wind the protection elements (23) can be manufactured from water resistant material or water and wind resistant material or of a material coated with a water resistant material or water and wind resistant material. To maximize the reduction of the effect from the weather and the wind the protection elements (23) can stretch along the squab (19) of the seat (14), as shown in figure 6. To further reduce the effect of the weather and the wind additional weather and wind repellent elements (40) can be arranged along those sides of the vehicle (10) which are parallel with the normal direction of travel of the vehicle (10). The additional weather and wind repellent elements (40) can be wound up in containers (41) which can be attached to the support structure (11) of the vehicle (10) or to the protection elements (23). Figure 8 shows a container (41) for an additional weather and wind repellent element (40) arranged at the forward edge on a protection element (23), seen in the normal direction of travel of the vehicle (10). Dotted lines are shown as an example where an additional weather and wind repellent element (40) can be arranged when in the active position.
With a driver area according to the invention is obtained a driver area for small and light vehicles, where the driver area is in the frontal section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, such as three wheel-vehicles, where the risk for injury in a side collision or a roll-over accident is substantially reduced for a belted person sitting on the seat (14) of the driver area. Small and light vehicles, such as three wheel-vehicles, have normally a very simple design to obtain a low weight and to obtain a vehicle at a low cost. By arranging the seat (14) of the driver area fixed to the floor structure (13) of the vehicle (10) and to the roof structure (12) of the vehicle (10) a simple and light design of the support structure (11) of the vehicle (10) can be obtained, where the support structure (11) gives good protection for the driver of the vehicle (10) in a collision or roll-over accident. With protection elements (23) at the two sides of the seat (14) of the driver area which are parallel with the normal direction of travel of the vehicle (10) and that the protection elements (23) are arranged along the roof structure (13) of the vehicle (10) in front of the headrest (21) and the backrest (20) of the seat (14) and are extending towards the floor structure (12) of the vehicle (10) very good safety for the driver of the vehicle (10) is obtained in a side collision or a roll-over accident. With the protection elements (23) designed with an upper section of a material which allows the driver of the vehicle (10) to see through the protection elements (23) the driver of the vehicle (10) can keep a good control of what is going on beside to the vehicle (10) .As the protection elements (23) are arranged so that they can be moved between two positions, an active position and a retracted position, the protection elements (23) will not give the driver of the vehicle (10) any difficulties when the driver shall enter or leave the seat (14) of the driver area. With the protection elements (23) attached to the vehicle (10) according to the invention a very cost efficient technical solution will be obtained.
Even if the invention has been described with reference to some embodiments the driver area can be modified in a number of ways within the framework of the inventive idea as it is presented in the attached patent claims.

Claims

Patent claims.
1. Driver area for a vehicle where the driver area is arranged in the front section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle, for example a three wheel-vehicle, where the driver area has protection equipment to reduce the risk for injury to a driver in a side collision or a roll-over accident, where the protection equipment of the driver area includes a seat (14) having a squab (19), a backrest (20) and a headrest (21), where the seat (14) of the driver area is fixed to a floor structure (12) of the vehicle (10) and to a roof structure
(13) of the vehicle (10), where the driver area has protection elements (23) arranged at those two sides of the seat (14) of the driver area which are parallel with the normal direction of travel of the vehicle (10),that the protection elements (23) are arranged along the roof structure (13) of the vehicle (10) in front of the headrest (21) of the seat (14), seen in the normal direction of travel of the vehicle (10), and extending towards the floor structure (12) of the vehicle (10) and that the protection equipment also includes a safety belt (22) c h a r a c t e r i s e d b y t h a t at least the protection element (23) on one side of the seat (14) of the driver area is moveably arranged in relation to the roof structure (13) of the vehicle (10), that the protection element (23) can be moved between two positions, a retracted position and an active position, at the roof structure (13) of the vehicle (10) by the driver of the vehicle (10), that the protection element (23) in the active position is releasably attached to the roof structure (13) of the vehicle (10) by a holding arrangement (24, 28, 32, 36), that the holding arrangement (24, 28, 32, 36) is between the protection element (23) and the roof structure (13) of the vehicle at a distance from and in front of the headrest (21) of the seat
(14) of the driver area, seen in the normal direction of travel of the vehicle (10) and that at least a top section of the protection element (23) of the driver area, at the headrest (21) of the seat (14), is of a material the driver of the vehicle (10) can see through.
2. Driver area for a vehicle according to claim 1 c h a r a c t e r i s e d b y t h a t the section of the protection element (23) which is along the roof structure (13) of the vehicle (10) is attached to a bar (26) and is moveable between an active position and a retracted position and that at least one end of the bar (26) is fixed to the roof structure (13) of the vehicle.
3. Driver area for a vehicle according to claim 1 c h a r a c t e r i s e d b y t h a t the section of the protection element (23) which is along the roof structure (13) of the vehicle (10) is attached to a pivot bar (30), where the pivot bar (30) can be pivoted so that the protection element (23) will be moved between an active position and a retracted position.
4. Driver area for a vehicle according to claim 3 c h a r a c t e r i s e d b y t h a t the pivot bar (30) is supported in a bearing (31) which is fixed to the roof structure (13) of the vehicle (10) and located beside the seat (14) of the driver area, seen perpendicular to the normal direction of travel of the vehicle (10).
5. Driver area for a vehicle according to claim 1 c ha racterised by that the lower section (34) of the protection element (23) extends forward from the backrest (20) of the seat (14), seen in the normal direction of travel of the vehicle (10), along the squab (19) of the seat (14).
6. Driver area for a vehicle according to claim 5 c ha racterised by that the lower section (34) of the protection element (23) which is along the squab (19) of the seat (14) is arranged on a bar (35) and can be moved between two positions, an active position and a retracted position.
7. Driver area for a vehicle according to claim 2 or 6 c ha racterised by that the holding arrangement (28, 36) on the bar (26, 35) consists of a curve (29, 37) on the bar (26, 35).
8. Driver area for a vehicle according to claim 1 c ha racterised by that protection elements (23) are manufactured from a material which is yieldable under load.
9. Driver area for a vehicle according to claim 8 c ha racterised by that the protection elements (23) have reinforcements (39) at least on one free edge which is extending from the roof structure (13) of the vehicle (10) towards the floor structure (12) of the vehicle (10).
10. Driver area for a vehicle according to claim 8 c ha racterised by that the yieldable material has net structure with smaller mesh at the lower section (34) of the protection element (23) and larger mesh at the upper section of the protection element (23).
11. Vehicle with a driver area arranged in the front section of the vehicle, in the centre of the vehicle, seen perpendicular to the normal direction of travel of the vehicle c ha racterised b y t h a t the driver area of the vehicle (10) is arranged according to any of the claims 1 to 10.
PCT/SE2012/000162 2011-10-21 2012-10-18 Driver operational area and a vehicle provided with such an area WO2013058693A1 (en)

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SE1100783A SE1100783A1 (en) 2011-10-21 2011-10-21 Driver's seat for a smaller and light vehicle

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WO2016180637A1 (en) 2015-05-11 2016-11-17 Robert Bosch Gmbh An active roll-over prevention device for a three-wheeled vehicle

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GB2010754A (en) * 1977-11-03 1979-07-04 Lansing Bagnall Ltd Vehicle safety screens
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