Motorized Wheelchairs Patents (Class 180/907)
  • Patent number: 11584403
    Abstract: A wheel drive apparatus of an automated guide vehicle (AGV) is provided, which includes: a bogie frame; drive frames including a pair of drive wheels installed so that power is transmitted through opposite side surfaces of the bogie frame, and first auxiliary wheels opposite to second auxiliary wheels, with a gap “b” outside of each of the opposite side surfaces of the bogie frame; rotation shaft portions pivotally coupled at shaft points of each of the drive frames and the bogie frame; and connection portions in which first connection arms are respectively formed in the drive frames, and second connection arms are respectively formed in the bogie frame, and the first and second connection arms are vertically connected as a slip rod so as to move up and down at a predetermined gap “a”, and thus which does not cause the drive wheel to float in the air even if any of the auxiliary wheels or any of the drive wheels of the AGV travelling along the floor contacts a depression, a barrier and a slope.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: February 21, 2023
    Assignee: MACPION CORP., LTD.
    Inventor: Jae Hyun Park
  • Patent number: 11577573
    Abstract: Disclosed is a mobile robot adapted to traverse vertical obstacles. The robot comprises a frame and at least one wheel positioned in a front section of the robot, at least one middle wheel positioned in a middle section of the robot, at least one back wheel positioned in a back section of the robot, and at least one further wheel in the front, middle or back of the robot. The robot also comprises at least one motor-driven device for exerting a downward and/or upward force on the middle wheel and at least two motors for driving the wheels and the motor-driven device. Also disclosed is a method of climbing using a mobile robot as disclosed.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: February 14, 2023
    Assignee: STARSHIP TECHNOLOGIES OÜ
    Inventors: Ivo Liivik, Märt Liivik, Tiit Liivik
  • Patent number: 11572117
    Abstract: Disclosed is a mobile robot adapted to traverse vertical obstacles. The robot comprises a frame and at least one wheel positioned in a front section of the robot, at least two middle wheels and at least two rear wheels. The at least one middle wheel and at least one rear wheel are connected by a tilting lever that is arranged on each of the opposing sides of or to the frame, forming a pair of wheels. Each tilting lever can be turned around a lever bearing located between the respective axial centers of rotation of each pair of wheels.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: February 7, 2023
    Assignee: STARSHIP TECHNOLOGIES OÜ
    Inventors: Ivo Liivik, Märt Liivik, Tiit Liivik
  • Patent number: 11534353
    Abstract: The vehicle is provided with a seat which is movable between a high position and a low position, and configured to be grounded when the seat is at the low position, and a support leg extending substantially downward from the seat of the vehicle. The support leg is movable between a retracted position positioned close to a vehicle body frame and a deployed position positioned remote from the vehicle body frame, the support leg being configured to be at the retracted position when the seat is at the high position, and to move from the retracted position to the deployed position when the seat moves from the high position to the low position.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: December 27, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Seiji Kato, Takeshi Echizenya, Wataru Yada
  • Patent number: 11534355
    Abstract: A flexible supporting membrane is made from a stretchable material formed into a sheet that adjusts itself based on the pressure applied by a patient's knees. The membrane includes: a top edge adapted to be located in a vicinity of the knees of the patient when in use; a bottom edge adapted to be located in a vicinity of the patient's ankles when in use; and a first and second lateral edge extending between the bottom edge and the top edge. The flexible supporting membrane further includes a central section and two peripheral sections extending along the direction defined by the lateral edges between the top edge and the bottom edge of the sheet. The peripheral sections are adapted for each supporting one of the two knees of a patient by yielding to the pressure exerted by the knees and thus forming a knee cradling depression.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: December 27, 2022
    Assignee: Huntleigh Technology Limited
    Inventors: Marie Rubin, Therese Hellström
  • Patent number: 11529274
    Abstract: Apparatus and associated methods relate to a removable power assist for converting a manual wheelchair into an electronic wheelchair, based on configuring a friction roller to releasably engage with a wheelchair wheel, configuring the friction roller when engaged to drive the wheel through a contact surface with the wheel above the wheel center and behind the wheelchair seating area, configuring a motor to rotate the friction roller, and moving the wheelchair based on engaging the friction roller and activating the motor to turn the wheel through force by the friction roller against the contact surface with the wheel. The power assist may include a user-operable lever configured to engage or disengage the friction roller without a user leaving their seated position in the wheelchair. Configuring the friction roller above the wheel center and behind the wheelchair seating area may permit collapsible wheelchair folding or unfolding without uninstalling the power assist.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: December 20, 2022
    Assignee: RODA FUTURA, LLC
    Inventors: Evan Peskin, Vivek Nagar, Audrey Wilson, Jonathan Slavin
  • Patent number: 11523951
    Abstract: Apparatus and associated methods relate to a wheelchair power assist device configured to switch a motorized friction roller between engaged and disengaged modes with a wheelchair wheel, based on an engagement actuator configured to move the friction roller relative to an attachment member removably secured to the wheelchair. The friction roller may be operably coupled with an engagement member configured to move relative to the attachment member. The engagement member may be moved by an extendable and retractable actuator shaft coupled with the attachment member. A manual wheelchair may be converted to a powered wheelchair using a motorized friction roller for each wheelchair wheel. A plurality of power assist devices may be configured to position a respective plurality of friction rollers to leave an open space behind the wheelchair seating area, advantageously permitting the power assist devices to remain attached to a foldable wheelchair in either folded or unfolded configurations.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: December 13, 2022
    Assignee: RODA FUTURA, LLC
    Inventors: Evan Peskin, Vivek Nagar, Audrey Wilson, Jonathan Slavin
  • Patent number: 11505061
    Abstract: An axle assembly for a low floor vehicle is described herein. The axle assembly includes an axle housing and a drive unit for driving a wheel assembly. The axle housing including a first gearbox, a second gearbox and a cradle assembly coupling the first gear box to the second gear box. The axle assembly includes first and second hub assemblies that form a first axis of rotation. The first gearbox includes an electric motor that is coupled to a transmission used to rotate an output shaft. The first gearbox also includes a differential mounted for rotation with the transmission and a first drop box mounted for rotation with the differential. The axle assembly also includes a portal axle mounted for rotation with the first drop box and extends from the first gearbox to the second gearbox wherein the portal axle forms a second axis of rotation that is offset from the first axis of rotation of the hub assemblies.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: November 22, 2022
    Assignee: Allison Transmission, Inc.
    Inventors: Shaun Mepham, Christopher G. Baillie
  • Patent number: 11419774
    Abstract: A mobility vehicle may comprise a frame, a first pivot arm, a second pivot arm, and a suspension assembly. The first pivot arm may be coupled to the frame and coupled to a drive wheel. The second pivot arm may be coupled to the frame and coupled to a ground engaging caster wheel. The suspension assembly may be coupled to the frame. The suspension assembly may include a first spring assembly and a second spring assembly. The first spring assembly may be disposed about a first spring axis and coupled to the first pivot arm. The second spring assembly may be disposed about a second spring axis and coupled to the second pivot arm. The first spring axis and the second spring axis may be disposed relative to each other at an angle of no greater than about 150° when the mobility vehicle is operating on horizontal ground.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 23, 2022
    Assignee: PRIDE MOBILITY PRODUCTS CORPORATION
    Inventor: Jonathan Davis
  • Patent number: 11414119
    Abstract: The electric stroller comprises a frame, a child seat, an operator seat, a plurality of wheels, a port motor, a starboard motor, a control circuit, and a battery. The electric stroller may be a self-propelled conveyance. The child seat may be supported by the frame and may be adapted to transport a child. The operator seat may be coupled to the frame behind the child seat and may be adapted to transport an operator. A port driven wheel may be propelled by the port motor and a starboard driven wheel may be propelled by the starboard motor with the speed and direction of the port motor and the starboard motor controlled independently.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: August 16, 2022
    Inventor: Ishmael Morgan
  • Patent number: 11399995
    Abstract: A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: August 2, 2022
    Assignee: DEKA Products Limited Partnership
    Inventors: Stewart M. Coulter, Brian G. Gray, Dirk A. van der Merwe, Susan D. Dastous, Daniel F. Pawlowski, Bob Peret, Dean Kamen, Derek G. Kane, Dave Doherty, Matthew A. Norris, Alexander D. Streeter, David J. Couture, Matthew J. Myers, Matthew B. Kinberger, Constance D. Pitenis, Allison E. Key-Wallace, David E. Collins, Erik N. Sabin, Katie A. DeLaurentis, Catharine N. Flynn, Elizabeth Rousseau, Thomas A. Doyon, Dale B. McGrath, Ryan Adams, Prashant Bhat, Trevor A. Conway, David J. Meehan, Tania M. F. Zirn, Paul R. Curtin, Zachary E. Cranfield, James J. Dattolo, Atlant G. Schmidt, III, Steven B. Meuse, George W. Marchant, Jr., Jeffrey C. Marrion
  • Patent number: 11376952
    Abstract: The present disclosure relates to an in-wheel driving device and a method for assembling the same, and the in-wheel driving device includes a driving motor including a motor shaft, a reducer which interworks with the driving motor to reduce a rotational force of the driving motor, a reducer housing, in which the reducer is disposed, a first gear connected to the reducer, and a support bearing part which supports the reducer on an outer side of the reducer, the reducer includes a sun gear connected to the motor shaft, a ring gear disposed in the reducer housing, a planetary gear disposed between the sun gear and the ring gear and engaged with the sun gear and the ring gear, and a carrier, in which the sun gear is disposed in an interior thereof, which supports the planetary gear and rotates in conjunction with rotation of the planetary gear.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: July 5, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Kyeong Ho Shin
  • Patent number: 11247746
    Abstract: One embodiment of an electric convenience vehicle (ECV) may include a frame, a plurality of wheels configured to support and move the frame, a user support member supported by the frame, a steering mechanism disposed toward a front portion of the ECV, a motor configured to cause at least one wheel to be propelled forward, propelled backward, or to remain in a fixed position, a throttle, when activated in a first position, may cause the motor to propel the wheel(s) in a forward direction, when activated in a second position, may cause the motor to propel the wheel(s) in a reverse direction, and a control and communications unit (CCU) disposed in front of the user support member, and configured to control operations of the motor.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: February 15, 2022
    Assignee: ScooterBug, Inc.
    Inventors: Christopher T. Meehan, Marc M. Barber, Kurt D. Ring, Colt Wright Fletcher, John Thomas Zaniker, Tomas Rodriguez, Wesley Edward Swogger, Hal Gunner
  • Patent number: 11213441
    Abstract: A wheelchair suspension comprises a frame, at least one pivot arm, at least one front caster, at least one rear caster, a stabilizing system, and a sensor. The pivot arm is coupled to the frame. The front caster is coupled to the pivot arm. The rear caster is coupled to the frame. The stabilizing system is coupled to the frame and the pivot arm. The sensor is arranged such that tipping of the frame causes actuation of the stabilizing system to at least partially resist further movement of the frame.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: January 4, 2022
    Assignee: INVACARE CORPORATION
    Inventors: Gerold Goertzen, William A. Null, Robert L. Cuson
  • Patent number: 11118986
    Abstract: The present invention relates to a shear force measuring device for measuring a shear force of a human body relative to a seat, such as a chair, wheelchair, aircraft seat, the device including: a frame for providing a mechanical, substantially slide-free connection to the seat, a force sensor arranged on the frame, shear force receiving means for receiving the shear force which are coupled to the sensor. The shear force receiving means are arranged and configured such that shear force exerted on the shear force receiving means is transferable to the sensor so that the shear force is detectable by the sensor. The present invention further relates to a wheelchair or seat, a method and a computer-readable carrier including computer program means.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: September 14, 2021
    Assignee: Vicair B.V.
    Inventor: Max Paul Rogmans
  • Patent number: 11045366
    Abstract: The invention is a control apparatus for a personal vehicle, in particular for wheelchair (10), the control apparatus comprising: a first motion sensing unit (11) adapted for being mounted on a body part and for determining orientation with respect to an external frame of reference, a second motion sensing unit (12) adapted for being mounted on the personal vehicle and for determining orientation with respect to the same external frame of reference, and a processing unit (13) adapted for outputting an inertial control signal corresponding to a relative orientation of the first motion sensing unit (11) and of the second motion sensing unit (12) determined on the basis of a first orientation supplied by the first motion sensing unit (11) and of a second orientation supplied by the second motion sensing unit (12). The invention is furthermore a personal vehicle provided with the control apparatus, and a control method therefore.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: June 29, 2021
    Assignee: Now Technologies Zrt.
    Inventor: Marton Juhasz
  • Patent number: 11033447
    Abstract: Design and build new models of wheelchair also design and build equipment for installing on some types of wheelchairs that are in the market for sale, that by using them user will be able to do their personal basic daily tasks without others help. This wheelchair includes a pair of lifting members mounted on said rehabilitation wheelchair for enabling said lifting members to move upward and downward and a moving seat mounted on said rehabilitation wheelchair for enabling user to sit on toilet bowl directly, wherein said moving seat being compressed and said lifting members moving user downward and user sitting on toilet for doing toilet. The user can use this system for changing clothes, washing, doing toilet, moving body vertically up and down, using oven for cooking, picking up materials from higher places that cannot be reached by user, and all actions that involve getting up and picking up.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: June 15, 2021
    Inventors: Sirop Boghozian Savarani, Arsineh Boghozian Savarani
  • Patent number: 10912690
    Abstract: A suspension for a vehicle is provided. The suspension includes, for example, a frame, at least one drive assembly and at least one caster pivot arm. The at least one drive assembly and the at least one caster pivot arm are pivotally connected to the frame at a common pivot axis such that the drive assembly and the front caster pivot arm are pivotable relative to one another.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: February 9, 2021
    Assignee: Invacare Corporation
    Inventors: Robert Bekoscke, Damon Jurkiewicz
  • Patent number: 10525861
    Abstract: A seating assembly includes a seat operably coupled with a seatback. A calf support is rotatably coupled with the seat. A first motor is proximate the calf support and rotates the calf support outward approximately 90 degrees from a design position to a deployed position. An extension telescopingly engages with the calf support. A second motor is operably coupled with the extension and is configured to move the extension outward.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: January 7, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Johnathan Andrew Line, Marcos Silva Kondrad, Kevin Wayne Preuss, Keith Allen Godin, Daniel Ferretti
  • Patent number: 10525896
    Abstract: The present disclosure provides a cargo rack for a utility vehicle. The cargo rack comprises a base structure, a front wall structure extending upward from the base structure and having a top edge, a pair of opposing sidewall structures, wherein each sidewall extends upward from the base structure and having a top edge, and a back wall structure extending upward from the base structure and having a top edge. The cargo rack base structure is structured to be disposed within a reservoir of a vehicle front body cowl such that the entirety of the cargo rack base structure is disposed within the cowl reservoir.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: January 7, 2020
    Assignee: Textron Inc.
    Inventors: Philip Jhant, Nick Moore, Matthew Baekelandt
  • Patent number: 10512572
    Abstract: A wheelchair suspension comprises a frame, at least one pivot arm, at least one front caster, at least one rear caster, a stabilizing system, and a sensor. The pivot arm is coupled to the frame. The front caster is coupled to the pivot arm. The rear caster is coupled to the frame. The stabilizing system is coupled to the frame and the pivot arm. The sensor is arranged such that tipping of the frame causes actuation of the stabilizing system to at least partially resist further movement of the frame.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: December 24, 2019
    Assignee: INVACARE CORPORATION
    Inventors: Gerold Goertzen, William A. Null, Robert L. Cuson
  • Patent number: 10182956
    Abstract: A transport apparatus includes a base, a sling, and a support frame mounted to the base. The frame is configured to move from a first position relative to the base to a second position relative to the base. The frame includes a U-shaped frame with a lower cross-frame member and vertically oriented spaced side frame members joined with the cross-frame member. The side frame members support arm rests, and the cross-frame member optionally forms a footrest. In another aspect, the frame includes an access opening to allow a person egress and ingress to and from the sling through the frame.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: January 22, 2019
    Assignee: Stryker Corporation
    Inventors: Martin W. Stryker, Jason James Wroblewski
  • Patent number: 10028871
    Abstract: A method for electrically assisting with the propulsion of a rolling system comprising a driving wheel driven by an electric motor, the torque applied by the motor being a function of a propulsion torque transmitted by a user to the driving wheel, wherein the method comprises: a preliminary step of storing in memory an unknown input model representing the weighted system, which is a function of the geometry and of the mass of the weighted system, and having as output data the rotational speed of the driving wheel; a step of estimating unknown input being the total torque applied to the wheel, influencing the rotational speed, the total torque being estimated from the rotational speed by calculating the inverse model; the propulsion torque transmitted by the user being deduced from the total torque estimated on the basis of the other known torques that make up the total torque.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: July 24, 2018
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), Université de Valenciennes et du Hainaut Cambresis
    Inventors: Sami Mohammad, Thierry-Marie Guerra, Philippe Pudlo
  • Patent number: 9944167
    Abstract: A system, method, and device for operations of an electrically motorized vehicle. The vehicle can utilize an electrically motorized wheel to convert a non-motorized wheeled vehicle to an electrically motorized wheeled vehicle. The electrically motorized wheeled vehicle includes a plurality of electrically motorized wheels, each of the plurality of electrically motorized wheels in communication with at least one other of the plurality of electrically motorized wheels to coordinate operation of the vehicle.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: April 17, 2018
    Assignee: Superpedestrian, Inc.
    Inventors: Assaf Biderman, Jon Stevens, John David Heinzmann
  • Patent number: 9944314
    Abstract: A steering assist system for a vehicle comprises a steering assist module configured to determine a baseline assistance force to be applied to a steering system of the vehicle, and a transient disturbance compensation module configured to determine a transient compensation force to compensate for transient conditions that urge the vehicle to deviate from a straight path. The transient compensation force is based at least partially on the determined baseline assistance force. The system also includes a steady-state disturbance compensation module configured to determine a steady-state compensation force to compensate for steady-state conditions that urge the vehicle to deviate from the straight path, the steady-state compensation force being based at least partially on the determined baseline assistance force. Methods relate to controlling steering systems.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: April 17, 2018
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Joseph M. Raad, Sergio Trimboli
  • Patent number: 9872804
    Abstract: A wheelchair includes a frame, a chair, a pair of drive wheels, a pair of rear wheels, and a pair of front wheels. Each front wheel is part of a front arm assembly that is rigidly coupled to a drive via a mounting plate. The mounting plate is connected to the wheelchair frame by a pivot. The drives are transversely mounted. The batteries are disposed rearward of the drives. The wheelchair seat can be moved forward to provide access to the batteries without fully removing the wheelchair from the frame.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: January 23, 2018
    Assignee: Pride Mobility Products Corporation
    Inventors: John Puskar-Pasewicz, Kip D. Alder
  • Patent number: 9849050
    Abstract: A wheelchair lift assembly includes a wheelchair. The wheelchair has a pair of seats and a frame. Each of the seats is hingedly coupled to the frame. Each of the seats is positionable in a stored position having each of the seats being horizontally oriented on the frame. Each of the seats is positionable in a lifted position having the each of the seats hinging upwardly from the upper front member. A lifting unit is coupled to the wheelchair. The lifting unit selectively urges each of the seats between the stored position and the lifted position. Thus, the lifting unit may lift a user thereby facilitating the user to exit the wheelchair.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: December 26, 2017
    Inventor: Judie McClean
  • Patent number: 9808383
    Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: November 7, 2017
    Assignee: Pride Mobility Products Corporation
    Inventors: James P. Mulhern, Stephen J. Antonishak
  • Patent number: 9636265
    Abstract: A single passenger carrying mobile robot, includes a single operated member that is operated by a passenger to instruct both a moving direction and a moving speed of the passenger carrying mobile robot, a moving member configured to move the passenger carrying mobile robot and a controller configured to control the moving member based on input information input to the operated member by the passenger, wherein the passenger carrying mobile robot further includes a sensor that acquires obstacle information of a surrounding of the passenger carrying mobile robot, and the controller predicts an expected course of the passenger carrying mobile robot based on the input information and determines based on the obstacle information whether or not an obstacle is located in the expected course, and changes a control of the moving member when determining that the obstacle is located.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: May 2, 2017
    Assignees: Chiba Institute Of Technology, Aisin Seiki Kabushiki Kaisha
    Inventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Kengo Toda, Takashi Kodachi, Mitsuhiro Ando, Noboru Nagamine, Seongjun Yang, Hirotoshi Ochiai, Wataru Takayanagi
  • Patent number: 9566200
    Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters that can selectively engage the arm assembly dependent on the position of the arm assembly and surface conditions of ground and can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: February 14, 2017
    Assignee: Pride Mobility Products Corporation
    Inventors: James P. Mulhern, Stephen J. Antonishak
  • Patent number: 9532912
    Abstract: A seat assembly for a conveyance, such as a wheelchair, that allows the user to set the recline angle of the seat back at a seating position, fold the seat back down to a folded position and back up to the seating position, such that the seat back is returned to the seating position at the user selected recline angle R unless the recline angle is adjusted by the user. The user selected recline angle R is not disturbed by folding the seat back from the seating position, to the folded position 106, and back to the seating position.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: January 3, 2017
    Assignee: Invacare Corporation
    Inventors: Howard Loewenthal, Traian Mohan, Robert Bekoscke, Damon Jurkiewicz, Daniel James Yee
  • Patent number: 9449142
    Abstract: A system and method for modeling supervisory control of heterogeneous unmanned vehicles through discrete event simulation is provided. Generally, the system contains a memory and a processor configured by the memory to perform the steps of: simulating events in the system; simulating arrival processes for the events in the system; simulating how long a human operator takes to respond to the simulated events in the system, where the time that the human operator takes to respond to a simulated event is referred to as a service time; and prioritizing the events to be handled by the human operator, wherein the system models human operator involvement in the unmanned vehicle system.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: September 20, 2016
    Assignee: Massachusetts Institute of Technology
    Inventors: Mary Louise Cummings, Carl Elie Nehme
  • Patent number: 9351889
    Abstract: Embodiments of the present disclosure include a wheelchair configured to reposition an occupant between a lowered and a raised position. The wheelchair can include a frame, a seat moveable relative to the frame, a drive wheel, and one or more pairs of arm assemblies. The arm assembly includes a wheel configured to move from a first spatial location when the wheel chair is operating on flat, level ground to a second spatial location that is different than the first spatial location. Arm limiters can selectively engage the arm assembly based on at least one of a seat position, position of the arm assembly and surface conditions of ground surface. The arm limiters can limit the range of motion of the arm assembly and sometimes other operational aspects of the chair.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 31, 2016
    Assignee: Pride Mobility Products Corporation
    Inventors: James P. Mulhern, Stephen J. Antonishak
  • Patent number: 9033073
    Abstract: The invention provides a motorized portable mobility device configured expressly for use by those who have undergone leg amputation. A generally rectangular wheeled base platform with a U shaped niche positioned on the rear of the device easily traverses both carpeted and solid flooring. A circular rotating plate enables a user to quickly adjust directional positioning. Two feet and adjustable height legs terminating in integrated support socks are mounted to the rotating plate. Adjustable height vertical supports terminating in handles and having a horizontal cross member are mounted to the front of the device. A control panel is mounted to a handle.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: May 19, 2015
    Inventors: Ninfa Garcia, Wilfredo Garcia
  • Patent number: 9016715
    Abstract: A mobility device for people who need assisted mobility comprising side support structures for supporting the weight of an occupant in a semi seated position, a back rest structure, a shin rest structure and an arm rest structure. The mobility device of the present invention provides a rear access which is feasible by moving outwardly and upwardly the side support structures.
    Type: Grant
    Filed: May 30, 2011
    Date of Patent: April 28, 2015
    Assignee: Rideup Mobility Inc.
    Inventor: Michael Moliner
  • Patent number: 9010470
    Abstract: Wheeled vehicles, such as wheelchairs, that are adapted to traverse obstacles are provided. The wheeled vehicles include a frame, drive wheels, front anti-tip wheels positioned in front of the drive wheels and rear anti-tip wheels positioned behind the drive wheels. One exemplary vehicle includes front anti-tip wheels supported by rigid arms that are fixed to the frame and drive assemblies that are independently suspended from the frame. Another exemplary vehicle includes a linkage that links the front and rear anti-tip wheels, such that movement of one of the front or rear anti-tip wheel relative to the frame causes movement of the other wheel relative to the frame.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: April 21, 2015
    Assignee: Invacare Corporation
    Inventors: Robert L. Cuson, Robert A. Bekoscke, Daniel J. Strothard
  • Patent number: 8925943
    Abstract: A wheelchair includes a frame, a rear caster coupled to the frame, a drive wheel coupled to the frame, a front caster, and a pivoting assembly. The pivoting assembly couples the front caster to the frame such that upward movement of the front caster relative to the frame causes the front caster to move toward the drive wheel.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: January 6, 2015
    Assignee: Invacare Corp.
    Inventor: James H. Molnar
  • Patent number: 8910975
    Abstract: Embodiments of a suspension for a vehicle is provided. The suspension includes, for example, a frame and a locking assembly. The locking assembly inhibits tipping of a frame of the vehicle when tipping of the frame is detected.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: December 16, 2014
    Assignee: Invacare Corporation
    Inventors: Robert Bekoscke, Damon Jurkiewicz, Gerald Fought
  • Patent number: 8851214
    Abstract: A wheelchair of the mid-wheel drive type comprises a chassis frame (10), a pair of front link arms (30) and a pair of rear link arms. The link arms are pivotally connected to the chassis frame. Front caster wheels (32) and drive wheels (53) are fixed to the front link arms. Rear caster wheels (42) are fixed to the rear link arms. Each front link arm (30) is operatively connected to an adjacent rear link arm (40) by a respective coupling (70), which is arranged to transmit pivotal movement of one of the front (30) and rear (40) link arm to an opposite pivotal movement of the other of the front (30) and rear (40) link arm.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: October 7, 2014
    Assignee: Permobil AB
    Inventor: Mehdi Mirzaie
  • Patent number: 8833774
    Abstract: A wheelchair suspension comprises a frame, at least one pivot arm, at least one front caster, at least one rear caster, a stabilizing system, and a sensor. The pivot arm is coupled to the frame. The front caster is coupled to the pivot arm. The rear caster is coupled to the frame. The stabilizing system is coupled to the frame and the pivot arm. The sensor is arranged such that tipping of the frame causes actuation of the stabilizing system to at least partially resist further movement of the frame.
    Type: Grant
    Filed: August 20, 2013
    Date of Patent: September 16, 2014
    Assignee: Invacare Corporation
    Inventors: Gerold Goertzen, William A. Null, Robert L. Cuson
  • Patent number: 8820454
    Abstract: A motorized wheelchair includes a frame, a battery support assembly that supports a battery box and is connected to the frame, first and second power drive assemblies disposed on each lateral side of the wheelchair, first and second rear wheels driven by the power drive assemblies, and first and second castor wheels that are pivotally connected to said frame. The battery support assembly is pivotally connected to the frame by a first connecting arrangement, so that said battery support assembly can pivot around a first longitudinal axis. The battery support assembly is pivotally connected to the first connecting arrangement by a second connecting arrangement, so that the battery support assembly can pivot around a second lateral axis.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: September 2, 2014
    Assignee: Invacare International SARL
    Inventors: Peter Jost, Ralf Ritter
  • Patent number: 8814196
    Abstract: A shower assistance scooter device supports a person in a bathing facility. The device includes a base and a seat coupled to and extending upwardly from the base. The seat is rotationally coupled to the base. A handle assembly is coupled to the base and positioned adjacent to a front side of the base. The handle assembly is rotatable relative to the base. A plurality of wheels is coupled to the base including at least one drive wheel and a directional wheel coupled to the handle assembly for steering the device. A first front foot rest is coupled to the base adjacent to a front side of the base. The base, seat, handle assembly, wheels, and first front foot rest are each water resistant to support a person in a bathing facility while the person bathes.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: August 26, 2014
    Inventor: Steven K. Poggenpohl
  • Patent number: 8794359
    Abstract: A suspension for a vehicle is provided. The suspension includes, for example, a frame, at least one drive assembly and at least one caster pivot arm. The at least one drive assembly and the at least one caster pivot arm are pivotally connected to the frame at a common pivot axis such that the drive assembly and the front caster pivot arm are pivotable relative to one another.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: August 5, 2014
    Assignee: Invacare Corporation
    Inventors: Robert Bekoscke, Damon Jurkiewicz
  • Patent number: 8789628
    Abstract: A multi-terrain motorized wheelchair apparatus is disclosed that comprises a seating assembly for supporting a user in a seated position, a track assembly with the seating assembly being pivotable with respect to the track assembly. The track assembly includes a pair of track units positioned on opposite sides of the seating assembly. The apparatus comprises a seating orientation adjustment assembly configured to adjust an orientation of the seating assembly with respect to the track assembly. The apparatus includes at least one drive assembly mounted on the seating assembly and which has at least one drive shaft structure connected to the track units to drive the track units. The seating assembly is supported on the track units of the track assembly by the drive shaft structure.
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: July 29, 2014
    Inventor: Timmy R. Swenson
  • Patent number: 8790284
    Abstract: A wheelchair type robot for use as a walking aid wherein an outer skeleton to be worn on the lower body of a user is combined with a lift and a drive part in a wheelchair form. The drive part is furnished with a drive motor and wheels that are installed on a main frame. The lift is furnished with an outer linear guide that is fixed and joined with the main frame, an inner linear guide that can move up and down along same, an upper chair part that connects with the inner linear guide to enable up and down motion, and a lower chair part that connects with the outer linear guide such that unfolds if the inner linear guide descends and folds if it ascends.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: July 29, 2014
    Assignee: Industry-University Cooperation Foundation Sogang University
    Inventors: Do Young Jeon, Hyo Sang Moon, Sin Ung Kwak, Jin Hwan Lee
  • Patent number: 8793032
    Abstract: A method and apparatus for setting or modifying a programmable operating parameter associated with a power driven wheelchair is provided. In one embodiment, the method includes: a) operating a user interface device associated with a power driven wheelchair in a programming mode, b) selecting a programmable operating parameter associated with operation of the power driven wheelchair using the user interface device, c) selecting a value for the programmable operating parameter using the user interface device, and d) saving the selected value for the programmable operating parameter in a portion of a storage device associated with the power driven wheelchair using the user interface device. A method and apparatus for selecting one or more programmable parameter sets from a portable storage medium and saving the selected sets to a local storage device associated with a power driven wheelchair and vice versa is also provided.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: July 29, 2014
    Assignee: Invacare Corporation
    Inventors: Darryl Peters, Bruce A. Jaenke, Carrie L. Burke, Gary E. Chopcinski
  • Patent number: 8777251
    Abstract: In one embodiment, the present invention is directed to a controller for a wheelchair. The controller includes a joystick for controlling the speed and direction of the wheelchair. A housing of the controller has a top surface and a bottom surface. The top surface has a weight bearing portion configured to support a user's weight when the user places at least a portion of his or her hand on the weight bearing portion to facilitate entering or exiting the wheelchair.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: July 15, 2014
    Assignee: Invacare Corporation
    Inventor: Damon Jurkiewicz
  • Patent number: 8740240
    Abstract: A user-operated mobility apparatus includes a base unit having a drive assembly and wheels mounted thereto for enabling selective movement of the base unit along a surface. A plurality of support members extend from the base unit, define an interior area therebetween that is configured to receive a user, and each includes a plurality of spaced-apart engagement features for releasably engaging at least one accessory at various different positions along the support member. A user support assembly is mounted adjacent the free ends of the support members and includes a support cord extending into the interior area. The support cord is configured for releasably engaging a user to support the user within interior area.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: June 3, 2014
    Inventor: Maynard I. Merel
  • Patent number: 8731754
    Abstract: A controller for a motorised vehicle is provided which is arranged to receive control signals from a user input device and the controller is configured to control a motor arrangement of the motorised vehicle in dependence on the control signals. The controller comprises an acceleration control unit configured to determine a centripetal force factor corresponding to a centripetal force which is currently acting on said motorised vehicle as a result of the control signals and is configured to calculate an acceleration limit for the motorised vehicle in dependence on the centripetal force factor. The acceleration control unit is configured to apply the acceleration limit by modifying a response of the controller to the control signals, such that the motorised vehicle does not exceed the acceleration limit.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: May 20, 2014
    Assignee: Penny & Giles Controls Limited
    Inventor: Matthew John Trowell
  • Patent number: RE45158
    Abstract: The invention relates to a control system for controlling a wheelchair having movable parts. The control system comprises a controller and a number of actuators for effectuating movements of the movable parts. The controller comprises a mathematical model of the kinematics of the movable parts and their respective at least one actuator, means for receiving an input signal from one or more of the actuators, and means for setting, based on the mathematical model, limiting positions of the actuators in response to the determined input signal. The invention also relates to a corresponding wheelchair and method of controlling a wheelchair.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 23, 2014
    Assignee: Permobil AB
    Inventor: Patrik Emilsson