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WO2001025129A1 - Crush-proofing safety device in automatically opening doors for lifts and elevators - Google Patents

Crush-proofing safety device in automatically opening doors for lifts and elevators Download PDF

Info

Publication number
WO2001025129A1
WO2001025129A1 PCT/IT2000/000279 IT0000279W WO0125129A1 WO 2001025129 A1 WO2001025129 A1 WO 2001025129A1 IT 0000279 W IT0000279 W IT 0000279W WO 0125129 A1 WO0125129 A1 WO 0125129A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
jamb
door panel
section
motion
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.)
Ceased
Application number
PCT/IT2000/000279
Other languages
French (fr)
Inventor
Paolo Giorgioni
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.)
SELCOM SpA
Original Assignee
SELCOM SpA
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 SELCOM SpA filed Critical SELCOM SpA
Priority to AU58467/00A priority Critical patent/AU5846700A/en
Publication of WO2001025129A1 publication Critical patent/WO2001025129A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/28—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between car or cage and wells
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/48—Detection using safety edges by transmission of mechanical forces, e.g. rigid or movable members
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F2015/483—Detection using safety edges for detection during opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/32—Rotary motion
    • E05Y2600/324—Rotary motion around a vertical axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Definitions

  • the present invention relates to a crush-proofing safety device in automatically opening doors, which finds specific but not exclusive use in the opening phase of doors of lifts and elevators, both of the centrally opening kind and of the telescoping kind.
  • safety devices are known which are destined to prevent the accidental crushing of the users between the doors during the closure thereof. Said devices are generally based on photocell systems in which the interruption of a light beam reveals the presence of an obstacle between the doors.
  • pressure sensors can also be used which detect the presence of a person between the doors and command them to invert their motion and open again. All devices described above are activated in the closure phase and serve exclusively to prevent a person to be crushed trapped between the doors.
  • Such movable surface is preferably made with a metal or rubber section applied to means for connecting with the jamb and able to actuate a micro-switch for stopping the motion of the door.
  • This device was provided for use between the door and the jamb, but in the case of doors with multiple panels, in particular telescoping, the problem of crushing could also arise in the gaps present between two contiguous panels. DISCLOSURE OF INVENTION.
  • the aim of the present invention is to eliminate the aforesaid drawbacks and to make available a crush-proofing safety device, which is suitable for use, in the opening phase, both in centrally opening and in telescoping doors, and which has such shape and dimensions as to be suitable to protect both the gaps between door and jamb and those between the door panels.
  • Said aims are fully achieved by the device of the present invention, which is characterised by the content of the claims set out below and in particular in that it comprises means shaped in such a way as to constitute a movable surface which is positioned between the panel closest to the jamb and the jamb or between two contiguous panels and which, when struck, moves and thereby activates a device for stopping the motion of the door panels and possibly inverting their direction of motion.
  • Figure 3 schematically shows a doors with multiple devices applied.
  • the reference number 1 globally indicates a door of a lift or of an elevator, which door comprises a plurality of panels 2 able to slide along the threshold of the door on appropriate guides 3 in a known manner, to enter, during the opening phase, into a compartment 6 to the rear of an outer frame or jamb 5 or to the rear of a contiguous panel.
  • the door 1 is described herein in the specific case of employment for lifts or elevators, but the device of the present invention may also be used in any door of the automatically opening kind.
  • the door has four centrally opening telescoping panels, but the device can also be applied to doors provided with a different number of doors and with central or telescoping opening.
  • the device of the present invention can originally be fastened both to an outer frame or jamb 5 of the door and to a door panel 2, as shown in Figure 3.
  • the device comprises a vertical section 1 1 substantially extending in length over the entire height of the door, which section enters a recess 4 situated to the rear of the jamb 5 or to the panel 2, substantially entering to measure into a gap 9 between the panel 2 and the jamb 5 or between contiguous panels 2, leaving a clearance of about 6 mm.
  • the section 1 1 is so shaped as to constitute substantially a closure surface 7 for the gap
  • the section 11 can be made of various materials, for instance of sheet metal or rubber.
  • a micro-switch 14 whose activating element 13 can be a pushbutton or a lamina, which is activated as a result of the displacement of the vertical section 1 1 struck by a user.
  • This activation takes place by means of pressure or rotation of the element 13.
  • the section 1 1 internally comprises elastic means not shown herein, and constituted for instance by laminas or return springs having the task of bringing the section back to the resting position at the end of the activation.
  • the element 13 and the micro-switch 14 constitute a device 8 for stopping the motion of the panels of the door.
  • the micro-switch can be of the type with normally open contact, which closes when activated by the movement of the section 1 1 , or with normally closed contact, which opens when activated by the movement of the section 1 1.
  • the element 13 can also be of the normally pressed type, which is released as a result of the movement of the section 1 1 , breaking the contact off: in this case the micro-switch with the element 13 would be placed in correspondence with the part 7a of the surface of the section 1 1. This part 7a would press against the element 13 except in the case in which the movement of the section 1 1 causes the release of the element 13.
  • the particular compactness of the section 11 allows the section to be applied both in correspondence with the jamb 5 and in correspondence with the door panel 2, to protect respectively the gap between jamb and door panel and between two contiguous door panels.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Elevator Door Apparatuses (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Freezers Or Refrigerated Showcases (AREA)

Abstract

A crush-proofing safety device in automatically opening doors (1), in particular for lifts and elevators with centrally opening or telescoping door panels (2), comprises means shaped in such a way as to constitute a movable surface (7) which is positioned between the door panel (2) closest to the jamb (5) and the jamb (5) or between two contiguous door panels (2) and which, when struck, moves thereby activating a device (8) for stopping the motion of the door panels (2) and possibly inverting their direction of motion.

Description

CRUSH-PROOFING SAFETY DEVICE IN AUTOMATICALLY OPENING DOORS FOR LIFTS AND ELEVATORS
TECHNICAL FIELD AND BACKGROUND ART. The present invention relates to a crush-proofing safety device in automatically opening doors, which finds specific but not exclusive use in the opening phase of doors of lifts and elevators, both of the centrally opening kind and of the telescoping kind. In the field of lifts and elevators, safety devices are known which are destined to prevent the accidental crushing of the users between the doors during the closure thereof. Said devices are generally based on photocell systems in which the interruption of a light beam reveals the presence of an obstacle between the doors.
For the same purpose, pressure sensors can also be used which detect the presence of a person between the doors and command them to invert their motion and open again. All devices described above are activated in the closure phase and serve exclusively to prevent a person to be crushed trapped between the doors.
However, no such protection is provided during the opening of the doors, except in the Italian patent for industrial invention IT 1272823 by the same Applicant, which solves the problem of the possible crushing of the fingers in the gap present between the door as it is opening and the jamb of the door, through the use of means shaped in such a way as to constitute a movable surface which is positioned between the door and the outer frame or jamb, and which, when struck, moves thereby activating a device for stopping the motion of the door and possibly inverting the direction of motion.
Such movable surface is preferably made with a metal or rubber section applied to means for connecting with the jamb and able to actuate a micro-switch for stopping the motion of the door. This device, however, was provided for use between the door and the jamb, but in the case of doors with multiple panels, in particular telescoping, the problem of crushing could also arise in the gaps present between two contiguous panels. DISCLOSURE OF INVENTION. The aim of the present invention is to eliminate the aforesaid drawbacks and to make available a crush-proofing safety device, which is suitable for use, in the opening phase, both in centrally opening and in telescoping doors, and which has such shape and dimensions as to be suitable to protect both the gaps between door and jamb and those between the door panels. Said aims are fully achieved by the device of the present invention, which is characterised by the content of the claims set out below and in particular in that it comprises means shaped in such a way as to constitute a movable surface which is positioned between the panel closest to the jamb and the jamb or between two contiguous panels and which, when struck, moves and thereby activates a device for stopping the motion of the door panels and possibly inverting their direction of motion.
BEST MODE FOR CARRYING OUT THE INVENTION.
This and other features shall become more readily apparent in the following description of some preferred embodiments illustrated, purely by way of non limiting example, in the accompanying tables of drawings, in which: - Figures 1 and 2 show the device applied to a door or to a jamb, respectively in the active and resting position;
Figure 3 schematically shows a doors with multiple devices applied. With reference to the figures, the reference number 1 globally indicates a door of a lift or of an elevator, which door comprises a plurality of panels 2 able to slide along the threshold of the door on appropriate guides 3 in a known manner, to enter, during the opening phase, into a compartment 6 to the rear of an outer frame or jamb 5 or to the rear of a contiguous panel.
The door 1 is described herein in the specific case of employment for lifts or elevators, but the device of the present invention may also be used in any door of the automatically opening kind.
In the illustrated embodiment, the door has four centrally opening telescoping panels, but the device can also be applied to doors provided with a different number of doors and with central or telescoping opening. The device of the present invention can originally be fastened both to an outer frame or jamb 5 of the door and to a door panel 2, as shown in Figure 3.
The device comprises a vertical section 1 1 substantially extending in length over the entire height of the door, which section enters a recess 4 situated to the rear of the jamb 5 or to the panel 2, substantially entering to measure into a gap 9 between the panel 2 and the jamb 5 or between contiguous panels 2, leaving a clearance of about 6 mm. The section 1 1 is so shaped as to constitute substantially a closure surface 7 for the gap
9, movable relative to the jamb or to the panel through means 10 for connecting to the jamb or to the panel, means which comprise a plurality of hinges 12 fastened on one side to the section 1 1 and on the other to the panel or to the jamb, as Figures 1 and 2 clearly show. The section 11 can be made of various materials, for instance of sheet metal or rubber.
To the jamb 5 or to the door panel 2 is fastened a micro-switch 14 whose activating element 13 can be a pushbutton or a lamina, which is activated as a result of the displacement of the vertical section 1 1 struck by a user. This activation takes place by means of pressure or rotation of the element 13. The section 1 1 internally comprises elastic means not shown herein, and constituted for instance by laminas or return springs having the task of bringing the section back to the resting position at the end of the activation.
The element 13, in a variation not shown herein, can be associated to the movable surface 7 to strike a contact of the micro-switch 14. If a person, and in particular a child, inadvertently puts a hand against the door panel 2 in the area in correspondence with the jamb 5 (or with the contiguous door panel) during the door opening phases, i.e. during the sliding of the door panels, a small rotatory angular displacement of the movable surface 7 about the hinges causes the micro-switch 14 to trip, thereby immediately stopping the motion of the door panels and possibly the inversion of their motion (from opening to closure) to prevent any injury due to crushing from being inflicted to the user.
The element 13 and the micro-switch 14 constitute a device 8 for stopping the motion of the panels of the door. The micro-switch can be of the type with normally open contact, which closes when activated by the movement of the section 1 1 , or with normally closed contact, which opens when activated by the movement of the section 1 1.
The element 13 can also be of the normally pressed type, which is released as a result of the movement of the section 1 1 , breaking the contact off: in this case the micro-switch with the element 13 would be placed in correspondence with the part 7a of the surface of the section 1 1. This part 7a would press against the element 13 except in the case in which the movement of the section 1 1 causes the release of the element 13. The particular compactness of the section 11 allows the section to be applied both in correspondence with the jamb 5 and in correspondence with the door panel 2, to protect respectively the gap between jamb and door panel and between two contiguous door panels.

Claims

1. Anti-crushing safety device in automatically opening doors ( 1 ), in particular for lifts and elevators with centrally opening or telescoping door panels (2), said doors (1) comprising at least a door panel (2) able to slide in correspondence with the threshold of the door and able to enter, during its opening phase, into a compartment (6) to the rear of an outer frame or jamb (5) or to the rear of a contiguous door panel (2), characterised in that it comprises means so shaped as to constitute a movable surface (7) which is positioned between the door panel (2) closest to the jamb (5) and the jamb (5) or between two contiguous door panels (2), and which, when struck, moves thereby activating a device (8) for stopping the motion of the door panels (2) and possibly inverting their direction of motion.
2. A device as claimed in claim 1, wherein said means, applied at least to one of the two sides of the door (1), comprise a vertical section (1 1) which enters substantially to measure into a gap (9) along substantially the entire height of the door between door panel (2) and jamb (5) or between two door panels (2), to constitute a closure surface (7) in continuity with the jamb (5) or with the door panel, said section (1 1) being applied on means (10) for connecting to the jamb or to the door panel.
3. A device as claimed in claim 2, wherein said means (10) for connection to the jamb (5) or to the door panel (2) comprise a plurality of connecting hinges (12).
4. A device as claimed in claim 1 , wherein said stopping device (8) comprises an element (13) associated to the movable surface (7), or to the door panel (2), or to the jamb
(5), positioned in shape in such a way as to activate a micro-switch (14) for stopping the motion of the door panels as a result of the rotation of the section (1 1) consequent to the striking of the movable surface (7) by a user.
5. A device as claimed in claim 4, wherein the element (13) is a pushbutton.
6. A device as claimed in claim 4, wherein the element (13) is one or more elastic laminas.
7. A device as claimed in claim 2, wherein said section (1 1) is made of sheet metal.
8. A device as claimed in claim 2, wherein said section (1 1) is made of rubber.
9. A door for elevators, characterised in that it comprises a safety device as claimed in any of the previous claims.
PCT/IT2000/000279 1999-10-05 2000-07-06 Crush-proofing safety device in automatically opening doors for lifts and elevators Ceased WO2001025129A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU58467/00A AU5846700A (en) 1999-10-05 2000-07-06 Crush-proofing safety device in automatically opening doors for lifts and elevators

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPR99U000018 1999-10-05
ITPR990018 IT248464Y1 (en) 1999-10-05 1999-10-05 ANTI-CRUSHING SAFETY DEVICE IN AUTOMATIC OPENING DOORS FOR LIFTS AND ELEVATORS

Publications (1)

Publication Number Publication Date
WO2001025129A1 true WO2001025129A1 (en) 2001-04-12

Family

ID=11396268

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2000/000279 Ceased WO2001025129A1 (en) 1999-10-05 2000-07-06 Crush-proofing safety device in automatically opening doors for lifts and elevators

Country Status (3)

Country Link
AU (1) AU5846700A (en)
IT (1) IT248464Y1 (en)
WO (1) WO2001025129A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1502817A1 (en) * 2003-07-30 2005-02-02 MAN Nutzfahrzeuge Aktiengesellschaft Vehicle with a pressure sensitive step in an entry
WO2006005791A3 (en) * 2004-07-13 2006-04-13 Kone Corp Safety device
WO2008033118A1 (en) * 2006-09-12 2008-03-20 Otis Elevator Company Door assembly including a sensor for controlling automated door movement
CN105174001A (en) * 2014-06-17 2015-12-23 上海三菱电梯有限公司 Anti-squeezing safety device of horizontal sliding door and working method of same
KR101995662B1 (en) * 2018-01-18 2019-07-02 한국미쓰비시엘리베이터 주식회사 Structure and Module for elevator door finger guard

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118049A1 (en) * 1971-04-14 1972-10-26 Eichenauer, Rudolf, 6000 Frankfurt Protective device on elevators
GB1506937A (en) * 1974-04-05 1978-04-12 Hitachi Ltd Protection system for automatically openable and closable door
JPH0455284A (en) * 1990-06-21 1992-02-21 Mitsubishi Electric Corp Safety device of elevator door
US5162711A (en) * 1989-11-27 1992-11-10 Inventio Ag Elevator door control responsive to obstructions
JPH07242383A (en) * 1994-03-03 1995-09-19 Toshiba Corp Elevator car door
WO1995032145A1 (en) * 1994-05-23 1995-11-30 Selcom S.P.A. An anti-crush safety device for automatic doors, in particular for lifts and elevators having transparent doors
JPH0867477A (en) * 1994-08-30 1996-03-12 Mitsubishi Denki Bill Techno Service Kk Lock switch for elevator
JPH08198556A (en) * 1995-01-20 1996-08-06 Hitachi Building Syst Eng & Service Co Ltd Elevator entrance / exit safety device
JPH0952687A (en) * 1995-08-15 1997-02-25 Toshiba Corp Door safety device for elevator doorways
JPH0977440A (en) * 1995-09-18 1997-03-25 Otis Elevator Co Retract-preventing device for elevator
JPH11322236A (en) * 1998-05-14 1999-11-24 Hitachi Ltd Safety shoes for elevator doors

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118049A1 (en) * 1971-04-14 1972-10-26 Eichenauer, Rudolf, 6000 Frankfurt Protective device on elevators
GB1506937A (en) * 1974-04-05 1978-04-12 Hitachi Ltd Protection system for automatically openable and closable door
US5162711A (en) * 1989-11-27 1992-11-10 Inventio Ag Elevator door control responsive to obstructions
JPH0455284A (en) * 1990-06-21 1992-02-21 Mitsubishi Electric Corp Safety device of elevator door
JPH07242383A (en) * 1994-03-03 1995-09-19 Toshiba Corp Elevator car door
WO1995032145A1 (en) * 1994-05-23 1995-11-30 Selcom S.P.A. An anti-crush safety device for automatic doors, in particular for lifts and elevators having transparent doors
JPH0867477A (en) * 1994-08-30 1996-03-12 Mitsubishi Denki Bill Techno Service Kk Lock switch for elevator
JPH08198556A (en) * 1995-01-20 1996-08-06 Hitachi Building Syst Eng & Service Co Ltd Elevator entrance / exit safety device
JPH0952687A (en) * 1995-08-15 1997-02-25 Toshiba Corp Door safety device for elevator doorways
JPH0977440A (en) * 1995-09-18 1997-03-25 Otis Elevator Co Retract-preventing device for elevator
JPH11322236A (en) * 1998-05-14 1999-11-24 Hitachi Ltd Safety shoes for elevator doors

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ Week 199722, Derwent World Patents Index; Class Q38, AN 1997-241445, XP002901424 *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 245 4 June 1992 (1992-06-04) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 1 31 January 1996 (1996-01-31) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 12 26 December 1996 (1996-12-26) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 7 31 July 1996 (1996-07-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 6 30 June 1997 (1997-06-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1502817A1 (en) * 2003-07-30 2005-02-02 MAN Nutzfahrzeuge Aktiengesellschaft Vehicle with a pressure sensitive step in an entry
WO2006005791A3 (en) * 2004-07-13 2006-04-13 Kone Corp Safety device
WO2008033118A1 (en) * 2006-09-12 2008-03-20 Otis Elevator Company Door assembly including a sensor for controlling automated door movement
US8333035B2 (en) 2006-09-12 2012-12-18 Otis Elevator Company Door assembly including a sensor for controlling automated door movement
US8677693B2 (en) 2006-09-12 2014-03-25 Otis Elevator Company Door assembly including a sensor for controlling automated door movement
CN105174001A (en) * 2014-06-17 2015-12-23 上海三菱电梯有限公司 Anti-squeezing safety device of horizontal sliding door and working method of same
KR101995662B1 (en) * 2018-01-18 2019-07-02 한국미쓰비시엘리베이터 주식회사 Structure and Module for elevator door finger guard

Also Published As

Publication number Publication date
IT248464Y1 (en) 2003-02-04
ITPR990018U1 (en) 2001-04-05
ITPR990018V0 (en) 1999-10-05
AU5846700A (en) 2001-05-10

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