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US20110088341A1 - Stairs adaptable for use by disabled persons - Google Patents

Stairs adaptable for use by disabled persons Download PDF

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Publication number
US20110088341A1
US20110088341A1 US12/894,694 US89469410A US2011088341A1 US 20110088341 A1 US20110088341 A1 US 20110088341A1 US 89469410 A US89469410 A US 89469410A US 2011088341 A1 US2011088341 A1 US 2011088341A1
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US
United States
Prior art keywords
stairs
platform
steps
adaptable
level
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.)
Abandoned
Application number
US12/894,694
Other languages
English (en)
Inventor
Manuel Cerda Martinez
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of US20110088341A1 publication Critical patent/US20110088341A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0869—Collapsible stairways, e.g. operable between a lower level and an upper level
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
    • E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
    • E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
    • E04F11/062—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
    • E04F11/066—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding folding like scissors or accordions
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/12—Lifts or other hoisting devices on ladders

Definitions

  • the present invention relates to stairs adaptable for use by disabled persons, designed to allow disabled people who move in a wheelchair to pass from one level to another autonomously, without the help of third parties and without any type of difficulty.
  • the device is also valid for mothers with trolleys whether of babies, shopping, etc. or for any other similar application.
  • the object of the invention is to transform stairs into a lifting platform so that the disabled person's wheelchair may overcome the impassable obstacle of the stairs in their position of normal use.
  • the platform into which the stairs can be transformed may also lower and thus allow the disabled person in their wheelchair from accessing both the upper level or plane and lower floor level or plane.
  • European patent EP 0 654 006 discloses a stairs/lifting apparatus assembly for persons with the stated purpose, wherein the steps of the stairs are connected with articulated elements forming a mechanism that makes it possible to have all steps on the same plane, so that in combination with a platform associated to the assembly of the mechanism, the wheelchair can pass from one level to another, after positioning the chair on the initial platform through the platform formed by the steps in their coplanar position.
  • the stairs claimed has been devised to resolve the aforementioned problem, also being executed in an easy and simple fashion and with a structure occupying a reduced space, which enables its implementation in any part where its use is necessary.
  • the adaptable stairs of the invention is constituted by a plurality of steps, as is conventional, but in this case with the capacity to move vertically upward and/or downward, in an independent and synchronized manner, to establish a platform that the wheelchair of a disabled person can access, so that it can be positioned at a higher level or a lower level with respect to the floor, after upward and/or downward movement of said platform formed by said moving steps.
  • the stairs of the invention have a series of special characteristics wherefrom the aforementioned advantages are derived.
  • One of the characteristics of the stairs of the invention consists of the raising/lowering structure of each step being physically independent with respect to the remaining ones, although they will be synchronized, and it is materialized, in each case, with a kind of scissor mechanism whose arms are actuated to raise and/or lower the respective step, using a mechanism formed by an electric motor with a spindle which extends or retracts the support scissors of the step, raising or lowering it.
  • actuation mechanism can be replaced by hydraulic and/or pneumatic means that perform the same function.
  • actuation mechanism can be replaced by hydraulic and/or pneumatic means that perform the same function.
  • each one of these lowers until the lower end level, i.e. until they are coplanar with the plane of the lower step and fitting into the floor, all steps being coplanar to establish a platform at floor level, to which the wheelchair of a disabled person or handicapped person can access without problems, so that maintaining the horizontality of said platform, it can occupy, by raising, the higher level by the simultaneous actuation of all the scissors and with the same intensity, therefore allowing the disabled person to access that higher level.
  • the stairs can be complemented with an articulated safety or protection handrail, for cases where there is a risk of falling frontally during the raising and/or lowering operations of the platform forming the set of steps of the stairs.
  • FIG. 1 Shows a representation corresponding to a front schematic perspective of an embodiment of the stairs, viewing the first step level with the plane of the floor represented in broken lines.
  • FIG. 2 Shows a representation corresponding to a rear perspective of the same stairs of the previous figure, viewing part of the supporting scissor structures of the steps.
  • FIG. 3 Shows a representation corresponding to a perspective such as that of FIG. 1 , with the steps in lowering position, forming the platform coplanarly with the floor.
  • FIG. 4 Shows a representation corresponding to a side elevation of a step with the scissor structure extended and the actuation mechanism.
  • FIG. 5 Corresponds to a perspective detail of part of the actuation mechanism of the scissors of each step, fundamentally constituted by a motor and a spindle.
  • FIG. 6 Shows a representation corresponding to a side view of the scissors of a step in folded position.
  • stairs ( 1 ) can be seen with a plurality of steps ( 2 ) able to move independently in vertical direction.
  • Each step ( 2 ) is supported by a scissor structure ( 3 ) which is removable and extensible to raise and/or lower, respectively.
  • Said scissor structures ( 3 ) are actuated by a mechanism preferably formed by a motor ( 4 ) and a spindle ( 5 ), so that it runs through a nut located and fixed in a trolley formed by a central block ( 6 ) which will incorporate the corresponding pitch nut of the spindle ( 5 ), with a cross-arm ( 7 ) at the end whereof are established articulations ( 9 ) of the scissors ( 3 ), so that depending on the direction of rotation of the spindle ( 5 ) and, therefore, of the direction of movement of said trolley ( 6 ), the corresponding scissors ( 3 ) shall extend or retract to produce, in the action of extension, the raising of the respective step ( 2 ), whilst in the retraction action the lowering of the step ( 2 ) shall occur.
  • the articulations ( 9 ) incorporate end wheels for sliding along corresponding guides ( 11 ) established in the corresponding side support profiles.
  • platform a wheelchair of a disabled person can be located to subsequently raise said platform ( 10 ), i.e. all the steps ( 2 ) simultaneously with the aforementioned control of the motors, which can be achieved with the appropriate synchronization, said platform ( 10 ) reaching the higher level that the wheelchair can directly access and transit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Ladders (AREA)
US12/894,694 2009-10-19 2010-09-30 Stairs adaptable for use by disabled persons Abandoned US20110088341A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP0200902092 2009-10-19
ES200902092A ES2376810B1 (es) 2009-10-19 2009-10-19 Escalera adaptable para paso de minusválidos.

Publications (1)

Publication Number Publication Date
US20110088341A1 true US20110088341A1 (en) 2011-04-21

Family

ID=43333995

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/894,694 Abandoned US20110088341A1 (en) 2009-10-19 2010-09-30 Stairs adaptable for use by disabled persons

Country Status (3)

Country Link
US (1) US20110088341A1 (es)
ES (1) ES2376810B1 (es)
GB (1) GB2474584A (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232214A1 (en) * 2010-03-23 2011-09-29 Shi-Tron Lin Method, Component and Structure for Constructing a Dual-Use Staircase
KR101389997B1 (ko) 2013-07-12 2014-04-30 (주)무영종합건축사사무소 장애인과 유아를 위한 건축용 계단
US20200392787A1 (en) * 2017-12-14 2020-12-17 Na-Ceo France Deployable device, in particular step stool
CN112796473A (zh) * 2021-01-05 2021-05-14 广西大学 一种具有变形功能的升降式智能楼梯
CN113175165A (zh) * 2021-05-07 2021-07-27 安徽锦允新材料科技有限公司 一种辅助轮椅爬升的智能家居楼梯结构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201206601D0 (en) * 2012-04-16 2012-05-30 Lyons Steven J Improvement in stair lifts
CN104317211A (zh) * 2014-08-29 2015-01-28 兰克峰 一种应用于铅直高度较小的旋转台阶
EP4155478A1 (en) * 2021-09-28 2023-03-29 Medicalengineering.ch GmbH Extendable staircase
CN114148860B (zh) * 2021-12-20 2024-09-24 沈阳航空航天大学 一种不占用空间的残障人群智能安全升降台阶

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394505A (en) * 1967-01-30 1968-07-30 Corwin S. Rife Theater construction with movable seats
US4615160A (en) * 1985-09-30 1986-10-07 Leblond Marc Adjustable staircase
US4633625A (en) * 1982-09-29 1987-01-06 Man Gutehoffnungshuette Gmbh Pedestal unit having raisable and lowerable platforms
US5234078A (en) * 1992-06-29 1993-08-10 Daniel K. Roth Collapsing stair lift
US5316432A (en) * 1992-12-07 1994-05-31 Reb Manufacturing Co., Inc. Wheelchair lifts with automatic barrier
US5802773A (en) * 1994-11-30 1998-09-08 Pingel; Nathan W. Handicap accessible stair
US7131522B2 (en) * 2002-09-09 2006-11-07 Oscar Sircovich Stair lift system
US20110280700A1 (en) * 2009-02-03 2011-11-17 Uttech Scott K Transfer device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457402A (en) * 1982-04-27 1984-07-03 Lipstep Design Group Corp. Wheelchair lift
US5105915A (en) * 1990-12-24 1992-04-21 Gary Jerry M Wheelchair lifting device
GB9614868D0 (en) * 1996-07-15 1996-09-04 Lyons Charles T A retractable stairway
HU218933B (hu) * 1997-01-20 2001-01-29 Péter Vadas Kompaktlépcső
CA2265639A1 (en) * 1997-07-14 1999-01-21 Vertical Mobility, Llc Convertible lift mechanism
ES2192450B1 (es) * 2001-06-01 2005-02-16 Juan Carcamo Moral Sistema modulado ambivalente para transformar escaleras en plataforma ascensora descensora.
CA2530552A1 (en) * 2005-12-16 2007-06-16 Thomson & Leonard Convertible lift assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394505A (en) * 1967-01-30 1968-07-30 Corwin S. Rife Theater construction with movable seats
US4633625A (en) * 1982-09-29 1987-01-06 Man Gutehoffnungshuette Gmbh Pedestal unit having raisable and lowerable platforms
US4615160A (en) * 1985-09-30 1986-10-07 Leblond Marc Adjustable staircase
US5234078A (en) * 1992-06-29 1993-08-10 Daniel K. Roth Collapsing stair lift
US5316432A (en) * 1992-12-07 1994-05-31 Reb Manufacturing Co., Inc. Wheelchair lifts with automatic barrier
US5802773A (en) * 1994-11-30 1998-09-08 Pingel; Nathan W. Handicap accessible stair
US7131522B2 (en) * 2002-09-09 2006-11-07 Oscar Sircovich Stair lift system
US20110280700A1 (en) * 2009-02-03 2011-11-17 Uttech Scott K Transfer device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110232214A1 (en) * 2010-03-23 2011-09-29 Shi-Tron Lin Method, Component and Structure for Constructing a Dual-Use Staircase
KR101389997B1 (ko) 2013-07-12 2014-04-30 (주)무영종합건축사사무소 장애인과 유아를 위한 건축용 계단
US20200392787A1 (en) * 2017-12-14 2020-12-17 Na-Ceo France Deployable device, in particular step stool
CN112796473A (zh) * 2021-01-05 2021-05-14 广西大学 一种具有变形功能的升降式智能楼梯
CN113175165A (zh) * 2021-05-07 2021-07-27 安徽锦允新材料科技有限公司 一种辅助轮椅爬升的智能家居楼梯结构

Also Published As

Publication number Publication date
GB2474584A (en) 2011-04-20
GB201017570D0 (en) 2010-12-01
ES2376810B1 (es) 2012-10-22
ES2376810A1 (es) 2012-03-20

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Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION