EP0560433A1 - Installation d'ascenseur d'escalier - Google Patents

Installation d'ascenseur d'escalier Download PDF

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Publication number
EP0560433A1
EP0560433A1 EP93200606A EP93200606A EP0560433A1 EP 0560433 A1 EP0560433 A1 EP 0560433A1 EP 93200606 A EP93200606 A EP 93200606A EP 93200606 A EP93200606 A EP 93200606A EP 0560433 A1 EP0560433 A1 EP 0560433A1
Authority
EP
European Patent Office
Prior art keywords
frame
load carrier
stair lift
control member
lift installation
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.)
Granted
Application number
EP93200606A
Other languages
German (de)
English (en)
Other versions
EP0560433B1 (fr
Inventor
Joannes Stefanus Van 't Schip
Nicolaas Jan Pereboom
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.)
LIFTENFABRIEK BRINKMAN JAN HAMER BV
Original Assignee
LIFTENFABRIEK BRINKMAN JAN HAMER BV
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 LIFTENFABRIEK BRINKMAN JAN HAMER BV filed Critical LIFTENFABRIEK BRINKMAN JAN HAMER BV
Publication of EP0560433A1 publication Critical patent/EP0560433A1/fr
Application granted granted Critical
Publication of EP0560433B1 publication Critical patent/EP0560433B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B66B9/0838—Levelling gears

Definitions

  • the present invention relates to a stair lift installation provided with guide means running substantially parallel to a stairway, a frame displaceable along the guide means, a load carrier suspended pivotally on the frame, means connected to the frame for driving thereof and levelling means for holding the load carrier in a substantially fixed position relative to the horizontal.
  • Such installations are used on large scale for transporting persons between different floors in buildings in which no shaft lift installation is or can be incorporated.
  • stair lift installations are often fitted later in residential accommodation when one of the occupants has difficulty walking or becomes disabled.
  • a problem that arises in the case of stair lift installations when the stairway along which the installation is arranged has a bend is that the inclination of the guide means in the bend differs from that outside the bend, whereby special steps must be taken to maintain a determined desired position of the load carrier relative to the horizontal.
  • Stair lift installations wherein the guide means are formed by an I-profile and the slope variations are absorbed by varying the height of the web of the I-profile.
  • This solution has the drawback that the use of a standard guide profile for this purpose is excluded, so that the cost of the installation is considerable.
  • the solution does not lend itself well to use with per se efficient closed profiles such as for instance box girders.
  • the profile with variable height is suitable only for use along the stairway for which it is designed so that, in the case of a move or a conversion, a large part of the lift installation has to be replaced.
  • possible deviations in the track of the guide means can only be corrected with considerable effort, wherein the corrections cannot be carried out in situ.
  • stair lift installations such as for instance the installation made commercially available by applicant under the name "Ergolift”, wherein the guide means are formed by a for instance tubular standard profile on which is arranged a separate strip for maintaining the position of the load carrier, in this case a chair.
  • the frame has a sensor which moves along the levelling strip and converts the path of this strip via a rod mechanism into a movement of the chair relative to the frame in order to hold the seat surface of the chair level.
  • a drawback to such installations is that each levelling strip is specifically suited to a particular staircase and must already be arranged during manufacture. Adjustments or corrections of the path of the strip require great effort and can only be carried out in a workshop, so that the installation must be entirely disassembled should this prove necessary.
  • the levelling strip moreover forms an unattractive and troublesome obstacle.
  • the invention has for its object to provide the stair lift installation of the above discussed type wherein these problems do not arise.
  • the levelling means connect the frame to the load carrier and are formed by a control member carrying information about the position and connected to the drive means, and a follower member to be controlled therewith, wherein the control member and the follower member are movable relative to each other.
  • a stair lift installation 1 (fig. 1) comprises guide means in the form of a guide beam 2 running substantially parallel to a staircase (not shown), a frame 3 displaceable along the box girder 2 and a load carrier 4 in the form of a chair 5 with footrest 6 suspended pivotally on the frame 3.
  • the stair lift installation 1 further has drive means 7 (not shown) connected to the frame 3 for displacing thereof along the box girder 2 and means 8 (not shown) for maintaining the load carrier 4 in a fixed position relative to the horizontal.
  • These levelling means 8 ensure that the seat surface of chair 5 remains substantially horizontal.
  • Displacement of the frame 3 along the guide means 2 is effected by the drive means 7 which are formed by an electric motor 9 (fig. 2) which is accommodated in frame 3 and the output shaft 10 of which is connected over a worm wheel transmission 11 to a secondary shaft 12.
  • the latter has a first toothed gear 13 which engages in a gear rack 14 fixed to the guide beam 2, whereby frame 3 can be displaced along the guide means 2.
  • the movement of frame 3 along box girder 2 is guided by a number of guide wheels 15 which are mounted for free rotation on the frame and which engage onto different sides of the guide beam 2.
  • the levelling means 8 are formed by a control member 16 which is arranged movably on the frame 3 and which carries information about the desired position of load carrier 4 and which controls a follower member 17 fixed to load carrier 4.
  • the control member 16 takes the form of a rotatable disc into which is recessed a control groove 18, the path of which represents the information relating to the desired position of load carrier 4 relative to the horizontal.
  • follower member 17 is formed by a peg, one outer end of which is received in the control groove 18 and the other end of which is arranged on an arm 19 supporting the load carrier 4 and mounted pivotally in the frame 3.
  • the control member 16 normally designated a “curve disc”
  • the curve disc 16 is fixed to a tertiary shaft 20 which is driven over a second worm wheel transmission 21 by the secondary shaft 12.
  • the curve disc 16 is therefore rotated at the same time.
  • the follower member 17 received in the control groove or curve 18 is thereby moved in the plane of curve disc 16 alternately toward and away from the tertiary shaft 20 in accordance with the path of the control groove 18.
  • This movement of the follower member 17 causes a pivoting of the pivot arm 19 carrying the follower member 17, whereby the position of load carrier 4 is varied in relation to the frame 3.
  • control member a slidable rack fitted with a control profile, a drum rotatable on a horizontal shaft and having a control strip running in peripheral direction or the like could for instance be used instead of the illustrated disc 16 rotatable on a vertical shaft 20.
  • control member could, instead of being driven by the lift motor 9, also be driven by a separate motor.
  • the motor of the control member and the lift motor 9 would then have to be mutually connected such that the movement of the control member would proceed synchronously with the displacement of frame 3.
  • the path of the control groove 18 is chosen such that the movement of the load carrier 4 relative to frame 3 precisely compensates for the movement of frame 3 relative to the horizontal (as a result of the varying inclination of guide beam 2), so that the position of load carrier 4 does not change relative to the horizontal.
  • the desired path of control groove 18 is thus calculated on the basis of the inclination of the guide beam 2, wherein the inclination is translated in each case into a determined distance D (fig. 4) of the groove 18 to the shaft 20 of disc 16. At those locations A,B,C (fig. 3) where the inclination of the guide means 2 changes, this distance D also changes (fig. 4).
  • the length of the groove 18 and the transmission ratio of the worm wheel transmission 21 are chosen such that the follower member 17 runs precisely through the groove 18 in the number of revolutions of the secondary shaft 12 that is required to displace frame 3 over the whole length of guide means 2.
  • the control member 16 can otherwise carry other information related to the change in the angle of inclination of guide beam 2.
  • the frame 3 is arranged on guide beam 2 by means of a so-called three-point suspension and therefore has three guide wheels, whereof two run on the top side and one on the underside along the guide beam 2, at those locations where the guide beam 2 has a curvature the vertical distance between the upper and lower guide means 15 can be adapted to this curvature.
  • at least one of the guide wheels 15 must be arranged for vertical movement on frame 3 and be connected to the control member 16.
  • the latter can then be formed by for instance a curve disc which, in addition to a control groove 18, has a profiled peripheral edge along which runs a second follower member connected to the movable guide wheel 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Ladders (AREA)
  • Bridges Or Land Bridges (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
EP93200606A 1992-03-09 1993-03-02 Installation d'ascenseur d'escalier Expired - Lifetime EP0560433B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9200437 1992-03-09
NL9200437A NL9200437A (nl) 1992-03-09 1992-03-09 Trapliftinstallatie.

Publications (2)

Publication Number Publication Date
EP0560433A1 true EP0560433A1 (fr) 1993-09-15
EP0560433B1 EP0560433B1 (fr) 1996-06-05

Family

ID=19860537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93200606A Expired - Lifetime EP0560433B1 (fr) 1992-03-09 1993-03-02 Installation d'ascenseur d'escalier

Country Status (8)

Country Link
EP (1) EP0560433B1 (fr)
AT (1) ATE138890T1 (fr)
DE (1) DE69302935T2 (fr)
DK (1) DK0560433T3 (fr)
ES (1) ES2088218T3 (fr)
GR (1) GR3020855T3 (fr)
NL (1) NL9200437A (fr)
NO (1) NO306249B1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018763A1 (fr) * 1994-01-05 1995-07-13 Stannah Stairlifts Limited Agencement destine a la mise a niveau d'une chaise ascenseur
WO1995029867A1 (fr) * 1994-05-01 1995-11-09 Bengt Johansson Dispositif et procede de guidage d'un fauteuil d'handicape le long d'un escalier
EP0687646A2 (fr) * 1994-05-20 1995-12-20 Otto Ooms B.V. Dispositif de levage muni d'un siège et siège pour un tel dispositif
WO1996015974A1 (fr) * 1994-11-23 1996-05-30 Traplift B.V. Chaise-ascenseur
GB2391539A (en) * 2002-08-10 2004-02-11 Stannah Stairlifts Ltd Stairlift levelling and speed control
WO2004043845A1 (fr) * 2002-11-13 2004-05-27 Stannah Stairlifts Limited Rail-guide ameliore pour monte-escaliers
US7103935B2 (en) 2004-01-08 2006-09-12 David Hill Marine gangway to enable handicapped users to move between floating and fixed landings and related methods
WO2007091095A1 (fr) * 2006-02-09 2007-08-16 Stannah Stairlifts Limited Ameliorations dans ou concernant des ascenseurs d'escalier
WO2019025778A1 (fr) * 2017-07-31 2019-02-07 Stannah Stairlifts Limited Perfectionnements apportés ou se rapportant à des monte-escalier

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9401242A (nl) 1994-07-29 1996-03-01 Ooms Otto Bv Verplaatsbare voetensteun en stoeleenheid voor een stoellift voorzien van een dergelijke voetensteun.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB778091A (en) * 1955-04-26 1957-07-03 Shepard Elevator Company Chair lift
DE3210904A1 (de) * 1982-03-25 1983-09-29 Paul Nitzke GmbH & Co KG, 4790 Paderborn Schraegaufzug
EP0137577A1 (fr) * 1983-10-10 1985-04-17 Antony Stopher Ascenseur d'escalier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB778091A (en) * 1955-04-26 1957-07-03 Shepard Elevator Company Chair lift
DE3210904A1 (de) * 1982-03-25 1983-09-29 Paul Nitzke GmbH & Co KG, 4790 Paderborn Schraegaufzug
EP0137577A1 (fr) * 1983-10-10 1985-04-17 Antony Stopher Ascenseur d'escalier

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995018763A1 (fr) * 1994-01-05 1995-07-13 Stannah Stairlifts Limited Agencement destine a la mise a niveau d'une chaise ascenseur
WO1995029867A1 (fr) * 1994-05-01 1995-11-09 Bengt Johansson Dispositif et procede de guidage d'un fauteuil d'handicape le long d'un escalier
US5908087A (en) * 1994-05-01 1999-06-01 Johansson; Bengt Tandem driving device of a stair lift
EP0687646A2 (fr) * 1994-05-20 1995-12-20 Otto Ooms B.V. Dispositif de levage muni d'un siège et siège pour un tel dispositif
NL9400832A (nl) * 1994-05-20 1996-01-02 Ooms Otto Bv Stoellift en stoeleenheid voor een dergelijke stoellift.
EP0687646A3 (fr) * 1994-05-20 1996-01-10 Ooms Otto Bv
WO1996015974A1 (fr) * 1994-11-23 1996-05-30 Traplift B.V. Chaise-ascenseur
NL9401963A (nl) * 1994-11-23 1996-07-01 Traplift B V I O Traplift.
GB2391539A (en) * 2002-08-10 2004-02-11 Stannah Stairlifts Ltd Stairlift levelling and speed control
GB2391539B (en) * 2002-08-10 2005-09-21 Stannah Stairlifts Ltd Improvement in or relating to stairlifts
WO2004043845A1 (fr) * 2002-11-13 2004-05-27 Stannah Stairlifts Limited Rail-guide ameliore pour monte-escaliers
US7322461B2 (en) 2002-11-13 2008-01-29 Stannah Stairlifts Limited Guide rail for stairlifts
US7103935B2 (en) 2004-01-08 2006-09-12 David Hill Marine gangway to enable handicapped users to move between floating and fixed landings and related methods
WO2007091095A1 (fr) * 2006-02-09 2007-08-16 Stannah Stairlifts Limited Ameliorations dans ou concernant des ascenseurs d'escalier
WO2019025778A1 (fr) * 2017-07-31 2019-02-07 Stannah Stairlifts Limited Perfectionnements apportés ou se rapportant à des monte-escalier
US11261060B2 (en) 2017-07-31 2022-03-01 Stannah Stairlifts Limited Stairlifts

Also Published As

Publication number Publication date
DE69302935T2 (de) 1996-10-10
DE69302935D1 (de) 1996-07-11
GR3020855T3 (en) 1996-11-30
NO930840D0 (no) 1993-03-08
EP0560433B1 (fr) 1996-06-05
NL9200437A (nl) 1993-10-01
DK0560433T3 (da) 1996-07-29
NO306249B1 (no) 1999-10-11
ATE138890T1 (de) 1996-06-15
NO930840L (no) 1993-09-10
ES2088218T3 (es) 1996-08-01

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