EP3238792B1 - Step assisting device for footwear walking equipment - Google Patents

Step assisting device for footwear walking equipment Download PDF

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Publication number
EP3238792B1
EP3238792B1 EP17168454.1A EP17168454A EP3238792B1 EP 3238792 B1 EP3238792 B1 EP 3238792B1 EP 17168454 A EP17168454 A EP 17168454A EP 3238792 B1 EP3238792 B1 EP 3238792B1
Authority
EP
European Patent Office
Prior art keywords
motor
sliding unit
sliding
slide guide
unit
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP17168454.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3238792A1 (en
Inventor
Andrea Casarino
Maurizio Rossi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gogreeen Sas Di Rossi Maurizio
Original Assignee
Gogreeen Sas Di Rossi Maurizio
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 Gogreeen Sas Di Rossi Maurizio filed Critical Gogreeen Sas Di Rossi Maurizio
Priority to SI201730050T priority Critical patent/SI3238792T1/sl
Publication of EP3238792A1 publication Critical patent/EP3238792A1/en
Application granted granted Critical
Publication of EP3238792B1 publication Critical patent/EP3238792B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/08—Skis or snowboards motor-driven
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C13/00—Snow shoes
    • A63C13/006—Shoe support thereof, e.g. plate, movable relative to the frame
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/003—Non-swivel sole plate fixed on the ski
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0807—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings for both towing and downhill skiing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C2009/008—Ski bindings with a binding element sliding along a rail during use or setting
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
    • A63C2203/12—Electrically powered or heated

Definitions

  • the present invention relates to a step assistance device for footwear walking equipment, particularly alpine skis, cross-country skis, snowshoes or the like.
  • Walking equipment such as alpine skis, cross-country skis or snowshoes are known to be applied to the foot of a wearer by means of appropriate boots, to assist the wearer as he/she moves on surfaces that are typically covered with snow or ice.
  • a ski is an elongate and flat instrument associated with a boot.
  • the ski and the boot comprise removable binding means, for mutual mechanical connection thereof.
  • the binding means are calibrated according to the wearer's weight for automatic release in case of a fall.
  • the equipment structure changes according to the various sports for which it is designed; for example, alpine skis, cross-country skis and snowshoes (rackets) are known.
  • the latter types of equipment are mainly used to move on plane ground or uphill.
  • alpine skis are used downhill.
  • WO 2014205472 discloses a sports equipment in which boot bindings are not directly connected to the ski.
  • a sliding member is connected to the top surface of the ski, and the boot bindings are fixed on the sliding member.
  • a motor fixed to the ski allows back-and-forth displacement of the sliding body along the ski to increase the step length of a user.
  • the motors of the two skis are connected to a battery and a control unit which are carried by the user, e.g. in a backpack or a belt.
  • a cable must be provided between the batteries and the motor.
  • This cable which extends, for instance, from a backpack of the user to the ski-mounted motors, continuously moves during walking. This, it may easily become entangled in some obstacle, such as the user's limbs or the sticks, if any. Such entangling may cause sudden disconnection of the motor from the battery, resulting in an expected displacement of the sliding unit relative the slide guide, which might cause the user to fall.
  • the apparatus required to move the sliding body along the slide guide is of hindrance, and various parts thereof are exposed to potentially hazardous impacts.
  • An object of the present invention is to provide a step assistance device for a walking equipment that facilitates the movement of the user by reducing the required physical effort and by increasing the traveling distance.
  • Another object of the present invention is to provide a step assistance device for a walking equipment which can be applied to known instruments, such as alpine skis, cross-country skis, snowshoes or the like.
  • a further object of the present invention is to provide a step assistance device for a walking equipment that also has a simple construction and low manufacturing costs.
  • Yet another object of the invention is to provide a step assistance device that is reliable both during walking and during skiing.
  • a further object of the present invention is to provide a footwear equipment that integrates said step assistance device.
  • the device of the invention finds application to a walking equipment having a plate, such as skis or snowshoes.
  • the device includes a slide guide adapted to be fixed to the ski or snowshoe, and a sliding unit which is movable longitudinally along the slide guide.
  • Common binding means are fixed to the sliding unit to secure a boot to the sliding unit.
  • a motor is mounted to the sliding unit, and allows the sliding unit to move back and forth relative to the slide guide.
  • Electronic means are able to identify the various walking phases for optimized motor control.
  • a battery for supplying power to the motor is removably fixed to the sliding unit.
  • the step assistance device of the present invention when applied to walking equipment such as alpine skis, cross-country skis, snowshoes or the like, can facilitate the user's walk by translation of the boot relative to the plate, i.e. the ski or snowshoe.
  • the boot translates on the ski and runs a stroke that "extends the stride" thereby providing advantages to the user in terms of travelling distance and physical effort.
  • the battery is rigidly joined to the motor, with connection being established therebetween by means of a small cable, which is not exposed to deformation during operation. The risk of entanglement during walking is thus avoided. Conversely, during skiing, the battery may be easily removed and protected from any impact.
  • the motor and its control unit are also removable from the sliding unit. When the motor is removed, lock members are provided to prevent the runner from freely moving relative to the slide guide.
  • the sliding unit comprises:
  • a pair of substantially parallel slide guides are mounted to the plate.
  • said pair of guides comprises a gear rack guide associated with a linear guide, and said sliding member is at least one gear adapted to mesh with said rack-type guide.
  • the gear meshes with the rack and translates the support plate.
  • At least one stop element is provided on said gear rack guide.
  • a pair of stop elements are provided to limit the travel.
  • each of said first and second pairs of guides comprises first and second linear guides and said sliding member is at least one runner supported by bearings which slides while being guided between said first and second linear guides.
  • said control unit comprises program means which are configured to control the sliding speed of said first and second sliding units.
  • an encoder is provided to determine the travel of each sliding unit, and it is placed on the axis of rotation of said motor, to determine and control the travel.
  • a load sensor calibration function is advantageously provided by the interface.
  • a walking equipment which comprises one or two plates, i.e. skis or rackets, and corresponding step assistance devices.
  • the motors associated with the two plates may be individually controlled.
  • Backup batteries and charging devices, such as solar panels, may be provided to extend the run time of the batteries on the sliding unit.
  • a step assistance device 1 is shown, which is applied to a walking equipment 2, particularly a pair of skis or rackets 20 (see Fig. 7 ) or the like, which are in turn functionally connected to footwear, particularly boots 4, 4', worn by the user, as best shown in Figures 3 and 4 .
  • the equipment comprises first 2 and second 3 substantially elongate plates, particularly a pair of skis or rackets or the like, extending in the longitudinal direction and having a greater support surface as compared with a shoe.
  • first and second skis 2, 3 shall be intended to be required for the user to walk.
  • Figure 7 shows a variant applied to a racket 20.
  • Each ski 2, 3 comprises a first face 2', 3' which defines a ground-bearing surface T and a second face 2", 3" opposite to the first face 2', 3' (see Figs. 3 and 4 ).
  • Binding means 5 of known type are provided on the second face 2" for removable connection of the boot 4 with the skis 2, as it is also schematically shown in Figures 4 and 5 .
  • the binding means are mounted as descried below in greater detail.
  • each ski 2 is equipped with an assistance device 1 having at least one slide guide 6 which extends in the longitudinal direction and which is adapted to be removably fixed to the second face 2" of the ski 2.
  • each ski 2 has a pair of slide guides 6, both longitudinally extending on the second face 2" of each ski, and mounted in parallel relationship.
  • the sliding guides of the second ski are referenced 7.
  • the device 1 comprises a first sliding unit 8 which is mounted to the first ski 2 and which is functionally connected to the first pair of slide guides 6.
  • the binding means 5 are fixed to the sliding unit 8 and are configured to removably secure a user's shoe to the sliding unit 8, such that the first sliding unit 8 will be connected, in operation, with its respective boot 4, by the binding means 5.
  • a second sliding unit 9, associated with the second ski 3, is functionally connected to the second pair of slide guides 6, and is also connected in operation with a boot 4' using known binding means 5.
  • the sliding unit 8 is movable in the longitudinal direction relative to its guides 6 between a forward position B and a rearward position A. More in detail, the sliding unit 8 selectively moves in a first direction d1, which is the same as the direction of progression of the user, and in a second direction d2 opposite to the user's progression.
  • each device 1 comprises a motor 10 which is rigidly joined to the sliding unit 8.
  • the motor 10 is operable to move the sliding unit 8 relative to the slide guide 6 along the slide guide 6, between the forward position and the rearward position.
  • the motor of the second ski is referenced 11.
  • the motor 10 is manually removable from the sliding unit 8, in order to be applied thereto as needed.
  • the motors 10, 11 of the two skis 2, 3 may be used when walking on plane ground or uphill, and they may be easily removed for the skis 2, 3 to be used as normal downhill, cross-country or alpine skis.
  • the motors 10, 11 will not be exposed to impacts during skiing, and the skier will have a greater freedom of movement.
  • the device 1 further comprises lock members, which are configured to prevent the sliding unit 8 from moving in the longitudinal direction relative to the slide guide 6.
  • the lock members shall be disabled for the motor 10 to operate during walking, and may be enabled when the motor 10 is separated from the sliding unit 8. This will prevent unexpected dangerous movements of the sliding unit 8 relative to the slide guide 6 during skiing.
  • the device comprises a fixed binding, whereby the motor 10 cannot be removed from the sliding unit, or special tools are required for removal thereof, such as a screw driver.
  • the device 1 comprises electronic means 12, 14 for measuring a load produced by the user on the slide guide 6 and for controlling the motor 10. More in detail, a sensor 12, particularly a load cell or possibly an optical sensor or a mechanical or magnetic pressure switch, is associated with each motor 10. The sensor of the second ski 3 is referenced 13.
  • the senor 12 is adapted to detect a signal, particularly a load P (see Fig. 3 ) produced by the user on the respective slide guide 6 or, equivalently, on the support surface of the ski, at the second face 2".
  • a control unit 14 is programmed to receive the signal from the sensor 12 and to control the operation parameters of the motor 10, as described hereinafter in greater detail.
  • control unit 14 is configured in such a manner that, in a stance phase of the ski (see Figs. 3 and 4 ), when the sensor 12 detects the first load signal on one of the skis, the control unit 14 will operate the corresponding motor 10.
  • the corresponding sliding unit 8 will translate along the pair of guides between a first rearward position A (see Fig. 3 ) and a second forward position B (see Fig. 4 ) in a first direction d1.
  • the sliding unit 8 will slide relative to the ski when the user is in a stance phase of his/her step.
  • the step assistance device 1 of the present invention facilitates the walking step of the user by translating the boot relative to the ski. With the same stride, the user will cover a longer walking distance.
  • control unit 14 of each device 1 is connected to the sliding unit 8 and can be manually removed from the sliding unit 8.
  • control unit 14 will be also able to be removed from the device 1 and hence from the ski 2 to preserve the control unit 14 and facilitate skiing for the user.
  • each control unit 14 is configured to control its motor 10 independently of the control unit 14 of the other device 1.
  • a single control unit 14 may be provided for both the devices 1 associated with the skis 2.
  • This control unit 14 may be in signal communication with the motors 10 or the sensors 12 of both devices 1 by a wired or wireless communication arrangement.
  • the device 1 comprises a battery 18 connected to the motor 10 for supplying power to the motor 10.
  • the battery 18 is removably fixed to the sliding unit 8 and can be preferably removed therefrom manually, i.e. without using special tools, such as a screw driver.
  • the battery 18 may be also used to supply power to the control unit 14.
  • the battery 18 and the motor 10, which are both rigidly joined to the sliding unit 8 are also rigidly joined to each other.
  • This will afford a considerable benefit as compared with the situation in which the battery 18 is carried in a movable position relative to the motor, e.g. in a backpack carried by the user.
  • the connecting cable between the battery 18 and the motor 10 is stable and maintains its position. This will prevent cable entanglement and reduce wear.
  • a backup battery may be provided advantageously for replacement of the battery 18 of the device, and may be carried by the user, for instance, in a backpack. This will both provide the desired run time and avoid the presence of long freely-moving cables.
  • a portable charging apparatus may be provided, e.g. a solar panel which is configured to recharge the battery 18 of the device 1 and/or the backup battery when they are not in operation.
  • the step assistance device 1 may be improved by the addition of further electronic devices adapted to be powered by the batteries 18.
  • the device 1 may comprise hazard lights fixed to the sliding unit 8 or the slide guide 6.
  • the device 1 comprises electrical connection members which extend through the binding means 5, and the boots 4 comprise a heating resistor which is configured to receive power from the electrical connection members which extend through the binding means 5.
  • each sliding unit 8 comprises a support plate 15 with the binding means 5 for the user's boots fixed thereto.
  • the binding means 5 protrude from the sliding unit in a vertical direction, i.e. in a direction perpendicular to the support plate 15 and the faces 2', 2" of the ski 2.
  • the motor 10 is a servomotor comprising a stator and a rotor.
  • the stator and the rotor have a substantially cylindrical shape, and the stator has a cavity in which the rotor is accommodated.
  • the stator is fixed to the sliding unit 8 and particularly to the edge of the support plate 15, such that the rotor can be rotated relative to the stator about an axis extending in the vertical direction.
  • a sliding member 17 (see Fig. 2 ) is associated with the servomotor 10 and is operable thereby, e.g. by being connected to its rotor.
  • the sliding member 17 is adapted to cooperate with the slide guide to slide along the slide guide 4, 5 and to translate the sliding unit 8, particularly the support plate 15, between the first position A and the second position B.
  • the pair of guides 6 comprise, in a first embodiment, a gear rack guide and a linear guide, i.e. a guide that does not have the characteristic teeth of a rack.
  • the sliding member is a gear 17, which is adapted to mesh with the gear rack guide 6.
  • the linear guide 6 is located opposite to the gear rack guide 6 and has the purpose of guiding the sliding member 17 and preventing it from separating from the gear rack guide 6.
  • a stop member 16 is provided on the gear rack guide 6. More generally, two stop members may be provided to limit the travel of the sliding unit 8 at the head and tail of the guides, i.e. between the rearward position A and the forward position B. This will prevent the sliding unit 8 from being released from the guides. Furthermore, the travel of each sliding unit along the guides, i.e. the distance covered by the unit between the rearward position A and the forward position B may be adjusted.
  • two pairs of stop members 16 are provided, each comprising a magnetic service stop member and a rubber safety stop member.
  • the safety stop member is arranged to operate in case of a service stop member failure.
  • first and second linear guides are provided, and the sliding member 17 is at least one runner supported by bearings which slides while being guided between the first and second linear guides.
  • the motor 10 is a linear motor.
  • the linear motor comprises two elements which extend in the longitudinal direction, and which are commonly known as stator and rotor, by analogy with rotating electric motor, although the operation of a linear motor does not involve the rotation of the rotor relative to the stator.
  • the rotor is adapted to translate relative to the stator, in the longitudinal direction.
  • the stator is fixed to the slide guide 6 and the rotor is fixed to the sliding unit 8.
  • the stator or the rotor may comprise permanent magnets, whereas the other part requires power supply.
  • the stator comprises permanent magnets, such that the power supply for the rotor, i.e. the battery 18, fixed to the sliding unit 8, is rigidly joined to the rotor, which is also fixed and rigidly joined to the sliding unit 8. This configuration simplifies the mechanism required by the motor 10 to move the sliding unit 8, thereby increasing the reliability of the device.
  • control unit 14 comprises program means configured to control the step assistance device.
  • control unit 14 checks that the unit is in the rearward position, identified as "REAR”. Then the rearward stop 152, referenced “RLS”, is identified. This corresponds to the zero position of the encoder.
  • control unit 14 can control the sliding speed of the first 8 and second 9 sliding units. These can control the rotation speed of the motor 10 and, as a result, the forward step speed of the unit along the slide guides.
  • the latter speed is a function of the walking speed of the user. Therefore, the user can control the speed of response of the sliding unit as needed, using an interface with the unit, e.g. a pair of buttons.
  • the interface may be optionally within reach of the user, on a ski stick, having a processor in signal communication with the control unit 14.
  • such communication is a wireless communication, e.g. using a Bluetooth technology.
  • the interface may also provide information about the charge of the battery 18.
  • sensors are provided, e.g. an accelerometer, which can sense the walking speed variation and adapt the response of the sliding unit.
  • an encoder is provided to determine the travel of each sliding unit 8, and it is placed on the axis of rotation of the motor 10, to determine and control the forward travel 154 and the forward stop 155. This has the purpose of adapting the operation of the device to the user's requirements by varying the travel length of the unit along the slide guides.
  • the interface may be advantageously used to adjust the calibration of the load sensor 153, i.e. to set the weight of the user in order to adapt the assistance device.

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  • Rehabilitation Tools (AREA)
EP17168454.1A 2016-04-28 2017-04-27 Step assisting device for footwear walking equipment Active EP3238792B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201730050T SI3238792T1 (sl) 2016-04-28 2017-04-27 Priprava za pomoč pri koraku pri opremi za hojo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUA20162956 2016-04-28

Publications (2)

Publication Number Publication Date
EP3238792A1 EP3238792A1 (en) 2017-11-01
EP3238792B1 true EP3238792B1 (en) 2019-02-27

Family

ID=56684178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17168454.1A Active EP3238792B1 (en) 2016-04-28 2017-04-27 Step assisting device for footwear walking equipment

Country Status (4)

Country Link
EP (1) EP3238792B1 (sl)
DK (1) DK3238792T3 (sl)
ES (1) ES2727782T3 (sl)
SI (1) SI3238792T1 (sl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110681145A (zh) * 2018-07-04 2020-01-14 东蕴体育(北京)有限公司 智能滑雪板及其制作方法
IT202200002609A1 (it) 2022-02-14 2023-08-14 Gogreeen S A S Di Rossi Maurizio Sistema per sciare in posizione seduta

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE649153C (de) * 1934-03-27 1937-08-16 Margarethe Katz Geb Phenn Antriebsvorrichtung fuer Schneeschuhe
FR2296443A1 (fr) * 1975-01-03 1976-07-30 Zuber Didier Remonte-pente individuel et autonome pour skieur
AT382518B (de) * 1985-01-08 1987-03-10 Mueller Franz Ski
US5735063A (en) * 1994-07-15 1998-04-07 Mc Manus; John H. Skishoes with brakes and extension and retraction stops therefor
AT403659B (de) * 1995-03-02 1998-04-27 Crepaz Friedrich Motorisch angetriebene aufstiegshilfe für tourenschiläufer
US7159891B1 (en) * 2003-11-26 2007-01-09 Dale Niggemann All-terrain ski
US20120297646A1 (en) * 2011-05-23 2012-11-29 Jean Brault Multi-adaptable power automated traction apparatus
WO2014205472A1 (de) * 2013-06-26 2014-12-31 Atomic Austria Gmbh Sportgerät, insbesondere motorische tourenskiaufstiegshilfe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
SI3238792T1 (sl) 2019-07-31
DK3238792T3 (da) 2019-05-20
ES2727782T3 (es) 2019-10-18
EP3238792A1 (en) 2017-11-01

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