WO2006097840A1 - Safety system for doors and gates - Google Patents

Safety system for doors and gates Download PDF

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Publication number
WO2006097840A1
WO2006097840A1 PCT/IB2006/000624 IB2006000624W WO2006097840A1 WO 2006097840 A1 WO2006097840 A1 WO 2006097840A1 IB 2006000624 W IB2006000624 W IB 2006000624W WO 2006097840 A1 WO2006097840 A1 WO 2006097840A1
Authority
WO
WIPO (PCT)
Prior art keywords
gate
por
brl
safety system
arms
Prior art date
Application number
PCT/IB2006/000624
Other languages
French (fr)
Inventor
Giampaolo Nelzi
Original Assignee
Giampaolo Nelzi
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 Giampaolo Nelzi filed Critical Giampaolo Nelzi
Publication of WO2006097840A1 publication Critical patent/WO2006097840A1/en

Links

Classifications

    • 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
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • 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
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/434—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors
    • E05F2015/435—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors by interruption of the beam
    • E05F2015/436—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors by interruption of the beam the beam being parallel to the wing edge
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • 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
    • E05Y2600/13—Adjustable by motors, magnets, springs or weights
    • 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
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
    • 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
    • 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
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
    • 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
    • E06B2009/6818—Control using sensors
    • E06B2009/6836—Control using sensors sensing obstacle

Definitions

  • the present invention refers to a safety system for doors and gates .
  • main object of the present invention is indeed to indicate a safety system for doors and gates which is efficient, reliable and adaptable to any functional closing mode, especially speed, of the doors and gates.
  • Another object of the invention is to indicate a safety system for doors and gates which is efficient, as well as safe and relatively low cost with respect to traditional solutions, by virtue of the resulting advantages .
  • FIG. 1 shows a schematic perspective view of a vertically opening gate, on which a first embodiment of the safety system is attached according to the present invention
  • FIG. 2 is a schematic and partial perspective view of the gate of figure 1, on which a variation embodiment of the safety system is attached according to the present invention
  • - Figure 3 is a side view of the gate of figure 1, in open position according to the present invention
  • - Figure 3A is a front view of the gate of figure 1, in open position according to the present invention
  • FIG. 4 shows a side view of the gate of figure 1, in near-closing position according to the present invention
  • - Figures 5 and 5a show further side views of the gate of figure 2, according to the variation embodiment of the safety system for doors and gates according to the present invention
  • FIG. 6 shows a schematic view of the section of a vertically opening gate in non-closed position, on which a third embodiment of the safety system is attached according to the present invention
  • - Figure 6A is a schematic view of the gate section of figure 6, closed on the ground.
  • the system includes a presence detector comprising, for example, a pair of oscillating photoelectric cells, of refraction type or composed of transmitter TRA2 and receiver RIC2, which are placed on two arms BRl and BR2 pivoted on supports SOl, S02 fixed on the two sides of the POR gate.
  • a presence detector comprising, for example, a pair of oscillating photoelectric cells, of refraction type or composed of transmitter TRA2 and receiver RIC2, which are placed on two arms BRl and BR2 pivoted on supports SOl, S02 fixed on the two sides of the POR gate.
  • the two arms BRl, BR2 are preferably shaped so that, at the lower side, the transmitter TRA2 and on the other side the receiver RIC2 are found below the bottom rail SP of the gate POR, and at the upper side the arm BRl, BR2 continues with a substantially horizontal portion ORl, 0R2 of appropriate length.
  • the position of the transmitter TRA2 and receiver RIC2 is preferably placed upon on the two jambs STl, ST2 of the opening APE, so to remain outside the space of the aforesaid opening APE.
  • suitable counters RSl, RS2 are fixed which do not interfere with the arms BRl, BR2 during the descent of the gate POR, but are such to constitute counter elements with their horizontal portions ORl, 0R2.
  • the arms BRl, BR2 may be shaped in a different manner and may lack the horizontal extension ORl, 0R2; the same arms BRl, BR2 may also be radially moved before the closing of the gate POR from a diversely positioned counter, also of another nature, for example of magnetic nature and without physical contact such to force the arms BRl, BR2 to deviate, avoiding the collision with the ground of the presence detector composed of the transmitter TRA2 and receiver RIC2.
  • the arms BRl, BR2, pivoted on the gate on SOl, S02 may be shaped in a different manner and provided with wheels RUl, RU2 at their ends. Or they may have a second arm, indicated with BSl, BS2 in figures 6 and 6A, which is pivoted near their end with preferably limited movement of the articulated joint.
  • the wheels RUl, RU2 are attached in a suitable position on this second arm BSl, BS2, wheels which upon contact with the ground cause the second arm BSl, BS2 to not touch the ground, and thus the detection device TRA2, RIC2 does not touch the ground, making the second arm BSl, BS2 move radially against the arm BRl, BR2. Subsequently, at the further lowering of the gate POR, the photocells composed of transmitter TRA2 and receiver RIC2 are radially moved, outside the gate POR, avoiding their collision with the ground.
  • the presence detector may be formed by a transmitter TRA2 and by a receiver RIC2, as illustrated in the attached figures, or they may include a refraction photocell, functioning according to the principle of detection in a position below the panel of the gate POR, preferably along the same axis . All that described may be used for vertically lifting and falling gates, thus as may be analogously installed on gates of horizontal opening and closing.
  • the arms BRl, BR2 of the presence detector comprising the transmitter TRA2 and the receiver RIC2
  • the arms BRl, BR2 of the presence detector comprising the transmitter TRA2 and the receiver RIC2
  • the arms BRl, BR2 of the presence detector operate by rotating horizontally, one preferably in the upper part and the other preferably in the lower part of the gate POR, and they are forced into the work position outside the panel and closing gasket, due to the action of an elastic return means, such as for example a spring.
  • the deviation counters RSl, RS2 of the arms BRl, BR2 operate in the same manner already described with reference to figure 1, obviously in orthogonal position with respect to this last.

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  • Gates (AREA)

Abstract

Safety system for doors and gates which permits the detection of an obstacle without coming into contact with the same, comprising at least one presence detector, which is preferably composed of a pair of photoelectric cells of refraction type or composed of a transmitter (TRA2) and a receiver (RIC2) , placed on two arms (BRl, BR2) , pivoted on supports (SOl, S02) fixed on both sides of the gate (POR) . The arms (BRl, BR2) are moveable in the radial direction towards the outside of the gate (POR) , so to avoid their contact with the floor and consequent damaging of the presence detectors.

Description

SAFETY SYSTEM FOR DOORS AND GATES
The present invention refers to a safety system for doors and gates . Known are the doors formed by single or compound panels, which by law must be provided with a safety system such to block its closing movement in case it encounters an obstacle, causing a limited pressure on the obstacle (which may be a human) , limited in terms of both pressure and time. This makes it very difficult to have a sufficiently quick closing door or gate, due to the inertia of the door itself.
In the context of the above mentioned needs, main object of the present invention is indeed to indicate a safety system for doors and gates which is efficient, reliable and adaptable to any functional closing mode, especially speed, of the doors and gates.
Another object of the invention is to indicate a safety system for doors and gates which is efficient, as well as safe and relatively low cost with respect to traditional solutions, by virtue of the resulting advantages .
Such objects are attained by a system of protection for doors and gates, according to claim 1, to which one should refer for the sake of brevity.
Further objects and advantages of the present invention will be clear from the following description and from the attached drawings, provided merely as an exemplifying and not limiting example and related to a preferred exemplifying embodiment, wherein: - Figure 1 shows a schematic perspective view of a vertically opening gate, on which a first embodiment of the safety system is attached according to the present invention;
- Figure 2 is a schematic and partial perspective view of the gate of figure 1, on which a variation embodiment of the safety system is attached according to the present invention;
- Figure 3 is a side view of the gate of figure 1, in open position according to the present invention; - Figure 3A is a front view of the gate of figure 1, in open position according to the present invention;
- Figure 4 shows a side view of the gate of figure 1, in near-closing position according to the present invention; - Figures 5 and 5a show further side views of the gate of figure 2, according to the variation embodiment of the safety system for doors and gates according to the present invention;
- Figure 6 shows a schematic view of the section of a vertically opening gate in non-closed position, on which a third embodiment of the safety system is attached according to the present invention; - Figure 6A is a schematic view of the gate section of figure 6, closed on the ground.
With particular reference to figures 1, 3 and 3A, which show a first embodiment of a safety system for the detection without physical contact of an obstacle positioned below the POR gate (vertically closing in the illustrated case) , the system includes a presence detector comprising, for example, a pair of oscillating photoelectric cells, of refraction type or composed of transmitter TRA2 and receiver RIC2, which are placed on two arms BRl and BR2 pivoted on supports SOl, S02 fixed on the two sides of the POR gate. The two arms BRl, BR2 are preferably shaped so that, at the lower side, the transmitter TRA2 and on the other side the receiver RIC2 are found below the bottom rail SP of the gate POR, and at the upper side the arm BRl, BR2 continues with a substantially horizontal portion ORl, 0R2 of appropriate length. The position of the transmitter TRA2 and receiver RIC2 is preferably placed upon on the two jambs STl, ST2 of the opening APE, so to remain outside the space of the aforesaid opening APE. On the two sides of the gate POR, directly or indirectly fixed to the wall PAR, suitable counters RSl, RS2 are fixed which do not interfere with the arms BRl, BR2 during the descent of the gate POR, but are such to constitute counter elements with their horizontal portions ORl, 0R2.
With particular reference to figures 3, 3A and 4, it is known that, for the entire closing path of gate POR, and preferably until a short distance from the end of the closing, the transmitter TRA2 and the receiver RIC2 preferably remain along the axis of the gate POR, below the bottom rail SP, and shortly before touching ground, the horizontal extensions ORl, 0R2 come into contact with the counters RSl, RS2, making the arms BRl, BR2 rotate in radial direction towards the outside of the gate POR so to avoid their contact with the floor and consequent damage. The advantage is evident of this no-contact detection system, which permits blocking the closing of the gate POR at the detection of an obstacle by the detector composed of the transmitter TRA2 and receiver RIC2, without physically touching it and therefore without any possibility of injury when the obstacle is a person.
Moreover, increasing the distance between the photocells TRAl and RICl and the bottom rail SP, a greater distance is created between detection and bottom rail, which translates into a greater possible closing speed of the gate POR. In another exemplifying and preferred embodiment solution, illustrated in the attached figures 2, 5 and 5A, the arms BRl, BR2 may be shaped in a different manner and may lack the horizontal extension ORl, 0R2; the same arms BRl, BR2 may also be radially moved before the closing of the gate POR from a diversely positioned counter, also of another nature, for example of magnetic nature and without physical contact such to force the arms BRl, BR2 to deviate, avoiding the collision with the ground of the presence detector composed of the transmitter TRA2 and receiver RIC2. In a further exemplifying and preferred solution, illustrated in the attached figures 6 and 6A, the arms BRl, BR2, pivoted on the gate on SOl, S02, may be shaped in a different manner and provided with wheels RUl, RU2 at their ends. Or they may have a second arm, indicated with BSl, BS2 in figures 6 and 6A, which is pivoted near their end with preferably limited movement of the articulated joint. Here the wheels RUl, RU2 are attached in a suitable position on this second arm BSl, BS2, wheels which upon contact with the ground cause the second arm BSl, BS2 to not touch the ground, and thus the detection device TRA2, RIC2 does not touch the ground, making the second arm BSl, BS2 move radially against the arm BRl, BR2. Subsequently, at the further lowering of the gate POR, the photocells composed of transmitter TRA2 and receiver RIC2 are radially moved, outside the gate POR, avoiding their collision with the ground.
In all cases, the presence detector may be formed by a transmitter TRA2 and by a receiver RIC2, as illustrated in the attached figures, or they may include a refraction photocell, functioning according to the principle of detection in a position below the panel of the gate POR, preferably along the same axis . All that described may be used for vertically lifting and falling gates, thus as may be analogously installed on gates of horizontal opening and closing. According to the present invention, in the case of a horizontal opening, the arms BRl, BR2 of the presence detector, comprising the transmitter TRA2 and the receiver RIC2, operate by rotating horizontally, one preferably in the upper part and the other preferably in the lower part of the gate POR, and they are forced into the work position outside the panel and closing gasket, due to the action of an elastic return means, such as for example a spring.
The deviation counters RSl, RS2 of the arms BRl, BR2 operate in the same manner already described with reference to figure 1, obviously in orthogonal position with respect to this last.
From the above description, the characteristics are clear of the safety system for doors and gates, object of the present invention, as its advantages are also clear.
It is evident, therefore, that numerous other variations may be made to the safety system in question, without for this departing from the principles of novelty inherent in the inventive activity, thus as it is clear that, in the practical actuation of the invention, the materials, shapes, and sizes of the details illustrated may be of any type according to needs, and the same may be substituted with other technically equivalent elements.

Claims

1. Safety system for doors and gates (POR), which permits the detection of an obstacle without physical contact with the same, with presence detection range which may be in the axis of the closing door or gate (POR) or close to these, below the door or gate (POR) , of the type comprising at least one presence detector, characterised in that said presence detector comprises at least one oscillating photocell of refraction type or composed of at least one transmitter device (TRA2) and at least one receiver device (RIC2) , said transmitter (TRA2) and receiver (RIC2) devices being positioned on respective first shaped arms (BRl, BR2) , pivoted on supports (SOl, SO2) fixed on the sides of the door or gate (POR) .
2. Safety system as in claim 1, characterised in that said first arms (BRl, BR2) are shaped so that said transmitter (TRA2) and receiver (RIC2) devices are positioned below the panel of the gate (POR) , preferable on the axis of the door or gate.
3. Safety system as in claim 2, characterised in that each of said first arms (BRl, BR2) continues with at least one elongated extension (ORl, 0R2) of predefined length, or with a side portion adapted for countering with suitable counter elements (RSl, RS2) , or with a second arm (BSl, BS2), articulated on said first arm (BRl, BR2), and at least one wheel (RUl, RU2) which encounters the ground, causing the radial folding of the second arm (BSl, BS2) on the first arm (BRl, BR2) and the radial folding of the first arm (BRl, BR2) upward, blocking the presence detector from being damaged by hitting the ground.
4. Safety system as in claim 1, characterised in that said transmitter (TRA2) and receiver (RIC2) devices are placed upon the jambs (STl, ST2) of the opening (APE) foreseen at the gate (POR) and positioned outside said opening (APE) .
5. Safety system as in claim 3, characterised in that respective counters (RSl, RS2) are fixed on the sides of the gate (POR) , positioned so to not interfere with said arms (BRl, BR2) during the closing of the gate
(POR) and to constitute counter elements with the related elongated extensions (ORl, 0R2), or with the widened arm portions (BRl, BR2) which extend horizontally.
6. Safety system as in claim 5, characterised in that, for the entire closing path of the gate (POR) , said transmitter (TRA2) and receiver (RIC2) devices remain positioned along the axis of the gate (POR) , and shortly before touching the ground, said elongated extensions (ORl, 0R2) come into contact with said counters (RSl, RS2), making the arms (BRl, BR2) rotate in radial direction outside of the gate (POR) , so to avoid the contact with the floor and consequent damage.
7. Safety system as in claim 5, characterised in that said shaped arms (BRl, BR2) are radially moved before the closing of the gate (POR) by at least one counter element, for example of magnetic nature and without physical contact, so to cause the shaped arms (BRl, BR2 ) to deviate and moreover avoiding the ground collision of the presence detector.
8. Safety system as in claim 1, characterised in that it may be used for vertically lifting and falling and horizontal opening and closing.
9. Safety system as in claim 8, characterised in that said shaped arms (BRl, BR2) of the presence detector mounted on a horizontal opening and closing gate (POR) operate by horizontally rotating and are forced into a work position outside the panel and jambs (STl, ST2) of the gate (POR) , due to the action of at least one elastic means.
10. Safety system for doors and gates (POR) as substantially described and illustrated in the attached drawings and for the specified objects.
PCT/IB2006/000624 2005-03-15 2006-03-14 Safety system for doors and gates WO2006097840A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVI2005A000068 2005-03-15
IT000068A ITVI20050068A1 (en) 2005-03-15 2005-03-15 SECURITY SYSTEM FOR DOORS AND DOORS

Publications (1)

Publication Number Publication Date
WO2006097840A1 true WO2006097840A1 (en) 2006-09-21

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ID=36593010

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Application Number Title Priority Date Filing Date
PCT/IB2006/000624 WO2006097840A1 (en) 2005-03-15 2006-03-14 Safety system for doors and gates

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IT (1) ITVI20050068A1 (en)
WO (1) WO2006097840A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT11494U3 (en) * 2010-05-25 2011-04-15 Helmut Eder GATE WITH SAFETY DEVICE
IT201900001999A1 (en) * 2019-02-12 2020-08-12 Rino Pierino Tomasoni CONTACTLESS SAFETY DEVICE, ESPECIALLY FOR VERTICAL SLIDING MOTORIZED LOCKING SYSTEMS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875655A2 (en) * 1997-04-30 1998-11-04 Campisa S.r.l. Fast drive rolling gate, in particular for industrial premises
US6082046A (en) * 1998-02-25 2000-07-04 Simmons; Kevin A. Overhead door sensor mounting bracket
US6176039B1 (en) * 1999-11-22 2001-01-23 Terry A. Craig Garage door mounted object sensor system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875655A2 (en) * 1997-04-30 1998-11-04 Campisa S.r.l. Fast drive rolling gate, in particular for industrial premises
US6082046A (en) * 1998-02-25 2000-07-04 Simmons; Kevin A. Overhead door sensor mounting bracket
US6176039B1 (en) * 1999-11-22 2001-01-23 Terry A. Craig Garage door mounted object sensor system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT11494U3 (en) * 2010-05-25 2011-04-15 Helmut Eder GATE WITH SAFETY DEVICE
IT201900001999A1 (en) * 2019-02-12 2020-08-12 Rino Pierino Tomasoni CONTACTLESS SAFETY DEVICE, ESPECIALLY FOR VERTICAL SLIDING MOTORIZED LOCKING SYSTEMS
EP3696360A1 (en) * 2019-02-12 2020-08-19 Rino Pierino Tomasoni Contactless security device, particularly for motorized vertical sliding closing systems

Also Published As

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