EP0976910A2 - Vorrichtung zur automatischen Steuerung der Anschlagsschieber von Motor-Untersetzungsgetrieben in Rolladen - Google Patents

Vorrichtung zur automatischen Steuerung der Anschlagsschieber von Motor-Untersetzungsgetrieben in Rolladen Download PDF

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Publication number
EP0976910A2
EP0976910A2 EP99830128A EP99830128A EP0976910A2 EP 0976910 A2 EP0976910 A2 EP 0976910A2 EP 99830128 A EP99830128 A EP 99830128A EP 99830128 A EP99830128 A EP 99830128A EP 0976910 A2 EP0976910 A2 EP 0976910A2
Authority
EP
European Patent Office
Prior art keywords
cursors
drum
rods
automatic control
stop
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.)
Withdrawn
Application number
EP99830128A
Other languages
English (en)
French (fr)
Other versions
EP0976910A3 (de
Inventor
Dante Postacchini
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.)
Gaposa SRL
Original Assignee
Gaposa SRL
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 Gaposa SRL filed Critical Gaposa SRL
Publication of EP0976910A2 publication Critical patent/EP0976910A2/de
Publication of EP0976910A3 publication Critical patent/EP0976910A3/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6872—Control using counters to determine shutter position
    • E06B2009/6881—Mechanical counters

Definitions

  • This patent application relates to a device for the automatic control of the stop cursors of motor reducers used to handle winding window shutters, such as roller shutters, or blinds.
  • Electrical motor reducers have been used for a long time to automatize the handling of roller shutters through rotation in both directions to pull them up or down.
  • the maximum travel of the automated roller shutters is controlled and determined by limit switches activated by cursors in order to interrupt the power supply of the motor reducer as soon as one cursor interferes with its limit switch.
  • One switch is designed to stop the motor reducer when the roller shutter has completed its up travel, while the other switch intervenes when the roller shutter has completed its down travel.
  • the two cursors are usually screwed onto threaded rods - one right-hand and one left-hand - that are dragged into rotation in the same direction by the motor reducer used to handle the roller shutter.
  • the two threaded rods are placed side by side and provided at their ends with pinions that are both engaged on the same crown gear housed inside a dragging ring activated by the motor reducer.
  • the rotation of the said dragging ring makes the two cursors travel simultaneously and identically along their screwing rods.
  • the initial adjusting operation is carried out through several attempts, by manually moving the cursors along their rods and making the roller shutter go up and down to test it.
  • the threaded rods are able to make a short travel in longitudinal direction in order to determine the disengagement of the pinion of the crown gear of the dragging ring.
  • each threaded rod can be selectively disengaged from the dragging ring.
  • each threaded rod is subjected to the axial thrust of a pre-compressed spring that maintains it in its working position which corresponds to the engagement between the teeth of the pinion and the teeth of the crown gear housed in the dragging ring.
  • a pre-compressed spring that maintains it in its working position which corresponds to the engagement between the teeth of the pinion and the teeth of the crown gear housed in the dragging ring.
  • the installer must disengage both threaded rods from the dragging ring through the above-mentioned cams and then activate the motor reducer until the roller shutter is completely lowered.
  • the cursors do not move since the rods are not dragged into rotation because the connection between their pinions and the dragging ring - that rotates together with the motor reducer - has been momentarily interrupted.
  • the installer must intervene on one cam to connect one of the threaded rods (the one on which the cursor that determines the end of the down travel slides) with the dragging ring. Then he must start the motor reducer and let it run until the roller shutter has completed the up travel.
  • both cursors move in opposed direction along their rods and one cursor (the one that determines the down stop) interferes with its limit switch as soon as the roller shutter has completed the second down travel.
  • the automatic control has been accomplished with only three travels - two down and one up - of the roller shutter.
  • the purpose of the present invention is to improve these automatic control devices by eliminating the cams for the axial adjustment of the two threaded rods and replacing them with two pistons that can be manually grabbed, pushed or pulled.
  • each piston slides in a housing channel and guide with orthogonal axis with respect to the longitudinal axis of the threaded rod with which the piston works.
  • Each piston features a stem that ends on one side with a biting head and on the other side with a parallelepiped body featuring a front niche with two grooves of different depth connected by an intermediate inclined plane.
  • the automatic control device features a traditional structure comprising a cylindrical support casing contained inside a sleeve (1) made up of four rods (2) whose ends are fixed between one flange (3) and a hollow cylindrical drum (4) inside which the dragging ring (5) intemally provided with a crown gear (5a) is inserted and rotates.
  • the drum (4) houses a peripheral pair of pinions (6) splined on threaded rods (7) - one right-hand and one left-hand - that are subject to the axial thrust of their springs (8) and on which the corresponding cursors (9) are screwed that work together with the limit switches (10) fixed above their support bases (10a) anchored over the above-mentioned rods (2).
  • the automatic control device also includes a box (11) with lid (11a) that is fixed and screwed onto the drum (4) and intemally features housings and guides for a pair of pistons (12), with each piston that slides along an orthogonal direction intersecting the longitudinal axis of one of the threaded rods (7).
  • Each piston (12) includes a stem (12a) that ends on one side with a biting head (12b) and on the other side with a parallelepiped body (12c) featuring a front niche with two grooves (12d and 12e) of different depth connected by an intermediate inclined plane (12f).
  • the drum (4) and the box (11) feature pairs of through holes (4b and 11b), respectively, which allow the tips (7a) of the rods (7) to penetrate into the front niches of the pistons (12).
EP99830128A 1998-03-12 1999-03-09 Vorrichtung zur automatischen Steuerung der Anschlagsschieber von Motor-Untersetzungsgetrieben in Rolladen Withdrawn EP0976910A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT98AN000013 IT244839Y1 (it) 1998-03-12 1998-03-12 Dispositivo perfezionato per l'autoregolazione dei cursori difinecorsa sui motoriduttori delle tapparelle avvolgibili
ITAN980013U 1998-03-12

Publications (2)

Publication Number Publication Date
EP0976910A2 true EP0976910A2 (de) 2000-02-02
EP0976910A3 EP0976910A3 (de) 2000-10-11

Family

ID=11334174

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99830128A Withdrawn EP0976910A3 (de) 1998-03-12 1999-03-09 Vorrichtung zur automatischen Steuerung der Anschlagsschieber von Motor-Untersetzungsgetrieben in Rolladen

Country Status (2)

Country Link
EP (1) EP0976910A3 (de)
IT (1) IT244839Y1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007048360A1 (de) 2007-10-09 2009-04-16 Robert Bosch Gmbh Elektropneumatischer Steller
WO2016131081A1 (en) * 2015-02-19 2016-08-25 Rollease Acmeda Pty Ltd Limiter assembly for a blind
CN111212955A (zh) * 2017-10-10 2020-05-29 尚飞运营有限公司 管形机电致动器、具有这种致动器的家用自动化控制设备、以及这种致动器的装配方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272019A1 (en) * 1974-05-21 1975-12-19 Covemat Hoist limit switch - has rotary cam acting against contactor controlling respective motion
FR2412483A1 (fr) * 1977-12-20 1979-07-20 Simu Soc Ind Metal Usine Dispositif de debrayage et de reglage instantane des fins de course d'un enrouleur automatique
FR2459776A2 (fr) * 1979-06-27 1981-01-16 Simu Soc Ind Metal Usine Dispositif de debrayage et de reglage instantane des fins de course d'un enrouleur automatique
DE19533996A1 (de) * 1995-09-14 1997-03-20 Becker Antriebe Gmbh Endabschaltung, insbesondere für Rohrantriebe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272019A1 (en) * 1974-05-21 1975-12-19 Covemat Hoist limit switch - has rotary cam acting against contactor controlling respective motion
FR2412483A1 (fr) * 1977-12-20 1979-07-20 Simu Soc Ind Metal Usine Dispositif de debrayage et de reglage instantane des fins de course d'un enrouleur automatique
FR2459776A2 (fr) * 1979-06-27 1981-01-16 Simu Soc Ind Metal Usine Dispositif de debrayage et de reglage instantane des fins de course d'un enrouleur automatique
DE19533996A1 (de) * 1995-09-14 1997-03-20 Becker Antriebe Gmbh Endabschaltung, insbesondere für Rohrantriebe

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007048360A1 (de) 2007-10-09 2009-04-16 Robert Bosch Gmbh Elektropneumatischer Steller
WO2016131081A1 (en) * 2015-02-19 2016-08-25 Rollease Acmeda Pty Ltd Limiter assembly for a blind
AU2016222259B2 (en) * 2015-02-19 2020-07-09 Rollease Acmeda Pty Ltd Limiter assembly for a blind
US10753148B2 (en) 2015-02-19 2020-08-25 Rollease Acmeda Pty Ltd Limiter assembly for a blind
CN111212955A (zh) * 2017-10-10 2020-05-29 尚飞运营有限公司 管形机电致动器、具有这种致动器的家用自动化控制设备、以及这种致动器的装配方法
US11236545B2 (en) 2017-10-10 2022-02-01 Somfy Activites Sa Tubular electromechanical actuator, home-automation installation comprising such an actuator, and method for assembling such an actuator

Also Published As

Publication number Publication date
EP0976910A3 (de) 2000-10-11
ITAN980013V0 (it) 1998-03-12
IT244839Y1 (it) 2002-03-14
ITAN980013U1 (it) 1999-09-12

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