WO2022138526A1 - Dispositif de freinage pour porte coulissante - Google Patents

Dispositif de freinage pour porte coulissante Download PDF

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Publication number
WO2022138526A1
WO2022138526A1 PCT/JP2021/046922 JP2021046922W WO2022138526A1 WO 2022138526 A1 WO2022138526 A1 WO 2022138526A1 JP 2021046922 W JP2021046922 W JP 2021046922W WO 2022138526 A1 WO2022138526 A1 WO 2022138526A1
Authority
WO
WIPO (PCT)
Prior art keywords
main gear
door plate
gear
output shaft
tooth
Prior art date
Application number
PCT/JP2021/046922
Other languages
English (en)
Japanese (ja)
Inventor
孝行 坂巻
Original Assignee
株式会社Tok
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 株式会社Tok filed Critical 株式会社Tok
Priority to JP2022571425A priority Critical patent/JPWO2022138526A1/ja
Publication of WO2022138526A1 publication Critical patent/WO2022138526A1/fr

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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
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops

Definitions

  • the present invention relates to a sliding door braking device that automatically returns the door plate of an opened sliding door to a closed position.
  • sliding doors may be used as a means to open and close the doorways of each room such as a house.
  • Such sliding doors are supported, for example, by a runner structure that includes a guide roller that runs along a guide rail provided along the upper edge of the opening.
  • the sliding door opens or closes the opening by a guide roller traveling along the guide rail and moving toward one or both sides of the opening.
  • a self-closing sliding door provided with a self-closing means for automatically moving the door plate of the opened sliding door to a closed position in order to improve operability when the sliding door is opened and closed (for example, Patent Document). 1. See Patent Document 2).
  • Patent Document 1 has a complicated structure for returning the door plate of the sliding door to the closed position, and requires electric parts such as a limit switch, a timer, a solenoid, and a relay switch, as well as electric power and the like. Therefore, there are problems that the number of parts is large, the structure is complicated, and the cost is high.
  • Patent Document 2 also has a problem that the structure for returning the door plate of the sliding door to the closed position is complicated, the number of parts is large, and the cost is high.
  • the invention according to claim 1 is a braking device for a sliding door, and a fixed rail provided on the upper surface of an opening in which the door plate of the sliding door is installed.
  • a movable rail provided on the door plate that can move integrally with the door plate along the fixed rail, and a movable rail installed between the fixed rail and the movable rail that moves relative to the fixed rail.
  • a damper mechanism for applying a braking force to the movable rail is provided, and the damper mechanism has a rotation output shaft, and the rotation output when the rotation output shaft rotates in the opening direction or the closing direction of the door plate.
  • a damper that imparts rotational resistance to the shaft, a rack member provided on the fixed rail side by arranging a plurality of rack teeth along the moving direction of the door plate, and the rotational output shaft are integrally arranged. It includes a main gear that meshes with the rack teeth and can rotate, and a support gear that is arranged side by side with the main gear and is provided so as to be idle on the rotation output shaft and can rotate by meshing with the rack teeth.
  • the main gear provides a sliding door braking device having a first tooth missing portion that disengages mesh with the rack teeth while the door plate is open.
  • the movable rail that is moved integrally with the door plate moves toward the closed position side at a substantially predetermined speed by the braking of the damper mechanism. Therefore, the door plate that moves integrally with the movable rail also moves from the open position to the closed position at a substantially predetermined speed.
  • the opened door plate can always automatically return to the closed position at a constant speed regardless of the position where the door plate is stopped to open and the hand or the like is released.
  • the main gear and the rack teeth of the rack member mesh with each other, and the rotation output shaft rotates in the open direction or the closed direction.
  • the rotation output shaft rotates in the direction in which the rotation resistance of the damper is small, so that the door plate can be opened with a light force.
  • the first tooth chipped portion corresponds to the rack tooth of the rack member
  • the mesh between the rack member and the main gear is lost.
  • the rotation of the main gear stops, and the rotation of the rotation output shaft of the damper also stops. Since the transmission between the damper and the movable rail is also cut off, the door plate can be moved in the opening direction with a lighter force.
  • the door plate is released while the door plate is moving or is completely opened, the door plate moves in the closing direction due to its own weight or the like.
  • the support gear rotates (idles) on the rotary output shaft.
  • the frictional force generated between the support gear and the main gear transmits the rotation of the support gear to the main gear
  • the main gear is also guided in the closing direction and rotates slightly, and the main gear racks. It meshes with the rack teeth of the member.
  • the main gear rotates together with the rotary output shaft of the damper in the closed direction, that is, in the direction in which the damper imparts a large rotational resistance to the rotary output shaft for rotating the rotary output shaft at a constant speed.
  • the braking force of the damper acts on the movable rail, and the door plate slowly moves in the closing direction at a substantially predetermined speed.
  • the invention according to claim 2 provides a frictional means for generating a frictional force between the main gear and the support gear, which further transmits the rotation of the support gear to the main gear, in the configuration according to the first aspect.
  • the support gear is the frictional force generated by the frictional means provided between the main gear and the support gear when the door plate is released while the door plate is moving or is completely opened.
  • the rotation of is surely transmitted to the main gear.
  • the main gear is also rotated in the closing direction, and the main gear is surely meshed with the rack teeth of the rack member.
  • the main gear includes a second tooth chipped portion that disengages the mesh with the rack tooth while the door plate is closed.
  • a braking device for sliding doors is provided.
  • the transmission between the movable rail and the damper is cut off, and the door plate can be opened with a light force. Then, for example, by setting the positions where the first tooth chipped portion and the second tooth chipped portion are provided, it is possible to change the operation timing in the opening direction and the operation timing in the closing direction of the door plate, respectively.
  • the invention according to claim 4 is the configuration according to any one of claims 1 to 3, wherein the friction means is an elastic member sandwiched between the main gear and the support gear.
  • the friction means is an elastic member sandwiched between the main gear and the support gear.
  • a sliding door braking device with a formed O-ring.
  • the transmission of the frictional force that transmits the rotation of the support gear to the main gear is increased by the contact resistance generated by the O-ring made of the elastic member to assist the rotation of the main gear in the closing and opening directions. can do.
  • the door plate of the sliding door does not close vigorously and can be slowly and automatically stopped at a predetermined position over a certain period of time, thus improving safety. do.
  • FIG. 3 is a schematic front view showing a main internal structure of a part of the braking portion on the sliding door side shown in FIG. 3 in a BB cross section.
  • FIG. 3 is a perspective view showing a part of the control unit on the sliding door side shown in FIG. 3 in an exploded manner.
  • It is an operation explanatory view of the braking device of the sliding door, and is the figure which shows the state before the main gear meshes with the rack tooth of a rack member.
  • It is an operation explanatory view of the braking device of the sliding door, and is the figure which shows the state which the main gear started to mesh with the rack tooth of a rack member.
  • It is an operation explanatory view of the braking device of the sliding door as above, and is the figure which shows the state which the rack tooth of a rack member, and the main gear have finished meshing.
  • the present invention has achieved an object of providing a sliding door braking device having a simple structure and capable of gently stopping a sliding door door plate at a predetermined speed at a predetermined position such as fully open or fully closed.
  • This is a sliding door braking device, and is movable so as to be movable integrally with the door plate along the fixed rail provided on the upper surface of the opening in which the door plate of the sliding door is installed and the fixed rail provided on the door plate.
  • the damper mechanism comprises a rail and a damper mechanism installed between the fixed rail and the movable rail to apply a braking force to the movable rail that moves relative to the fixed rail.
  • a damper having a rotary output shaft and imparting rotational resistance to the rotary output shaft when the rotary output shaft rotates in the opening direction or the closing direction of the door plate, and a plurality of rack teeth along the moving direction of the door plate.
  • a rack member provided on the fixed rail side, a main gear that is integrally arranged with the rotation output shaft and is rotatable by meshing with the rack teeth, and a main gear that is arranged side by side with the main gear.
  • a support gear that is rotatably provided on the rotary output shaft and is rotatable by meshing with the rack teeth, and is provided between the main gear and the support gear, and the rotation of the support gear is caused by the rotation of the main gear.
  • the main gear is configured to include a first tooth chipping portion that disengages mesh with the rack teeth while the door plate is open. It was realized.
  • drawings may be exaggerated by enlarging the characteristic parts in order to make the features easier to understand, and the dimensional ratios of the components are not always the same as the actual ones.
  • hatching of some components may be omitted in order to make the cross-sectional structure of the components easy to understand.
  • FIG. 1 is a schematic perspective view showing an overall configuration of a self-closing sliding door 100 incorporating an embodiment of the sliding door braking device 10 according to the present invention, with the door plate 12 open
  • FIG. 2 is a schematic perspective view of FIG. It is a perspective view which shows the part A in an enlarged manner.
  • the self-closing sliding door 100 has a door plate (open-closed direction) in the longitudinal direction (open-closed direction) along a guide rail 11 provided on the upper edge of a door frame (not shown) of an opening provided in a building or the like.
  • Sliding door) 12 is configured to be movablely supported.
  • the guide rail 11 constitutes a part of a sliding door braking device 10 (hereinafter, simply referred to as “braking device 10”) that controls the movement of the door plate 12 traveling along the guide rail 11.
  • the braking device 10 includes the guide rail 11 and a damper mechanism 13.
  • the door plate 12 of the self-closing sliding door 100 in the present embodiment is attached so as to always self-close by its own weight when the door frame, the guide rail 11, or the like is released from the door plate 12.
  • the guide rail 11 is made of an aluminum alloy or the like, and is attached to the fixed rail 11A fixed to the upper edge (upper surface of the opening) of the door frame and the fixed rail 11A via a guide roller or the like. It is composed of a movable rail 11B that can move together with the door plate 12 in the longitudinal direction of 11A, and the like.
  • a rack member 14 of the damper mechanism 13 On the front surface of the fixed rail 11A, a rack member 14 of the damper mechanism 13, which will be described later, is arranged over substantially the entire length of the fixed rail 11A.
  • Rack teeth 14a having a predetermined pitch are formed on the front surface of the rack member 14.
  • the braking portion 16 of the damper mechanism 13 is mounted on the front surface of the movable rail 11B via the mounting bracket 15. Further, on the lower edge side of the movable rail 11B, the upper edge of the door plate 12 is suspended and attached in a state where the height position in the vertical direction can be adjusted.
  • FIGS. 3 to 7 show the braking unit 16 of the damper mechanism 13. Therefore, the configuration of the braking unit 16 in the damper mechanism 13 will be further described by adding FIGS. 3 to 7 to FIGS. 1 and 2.
  • the braking portion 16 of the damper mechanism 13 is disposed between the fixed rail 11A and the movable rail 11B, and includes the rack member 14, the damper 17, the rotary gear means 18, and the O-ring 19 as the friction means. , Etc. are provided.
  • the damper 17 has a rotation output shaft 17A, and when the rotation output shaft 17A is rotated in one direction (closed direction), the rotation resistance is large, and when the rotation output shaft 17A is rotated in the opposite direction (open direction), the rotation resistance is increased. It is an infinite angle unidirectional rotation damper that acts small. As shown in FIG. 2, the damper 17 is fixed to the mounting bracket 15 with mounting screws 20 with the rotary output shaft 17A facing upward (ceiling).
  • the damper 17 in the present embodiment has a small rotational resistance when the rotary output shaft 17A rotates in conjunction with the movement of the door plate 12 in the opening direction (the arrow opening direction in FIG. 1), and conversely the door plate 12 closes. When the rotation output shaft 17A rotates in the direction (the closing direction of the arrow in FIG. 1), the rotation resistance is set and arranged to be large.
  • the rotary output shaft 17A has a support gear mounting portion 17a having a circular cross section and a main gear having a substantially oval cross section (non-circular cross section) by cutting a part of the facing surfaces thereof.
  • the mounting portion 17b and the E-ring mounting portion 17c formed by the engaging grooves provided on the outer periphery of the main gear mounting portion 17b are formed in order from the damper main body 17B side.
  • the rotary gear means 18 includes a main gear 21 and a support gear 22 mounted on the rotary output shaft 17A of the damper 17.
  • the support gear 22 is a spur gear.
  • a through mounting hole 22a having an inner diameter substantially the same as that of the support gear mounting portion 17a of the rotary output shaft 17A is formed in the center of the support gear 22, and meshes with the rack teeth 14a of the rack member 14 on the outer peripheral surface.
  • a plurality of teeth 22b are provided at equal intervals (30 teeth in this embodiment).
  • the support gear 22 is rotatably arranged on the support gear mounting portion 17a of the rotary output shaft 17A. Further, on both side surfaces 22c of the support gear 22, an annular recess 22d centered on the through mounting hole 22a is formed.
  • the main gear 21 is also a spur gear.
  • a through mounting hole 21a having a shape slightly larger than the substantially oval non-circular cross section of the main gear mounting portion 17b of the rotary output shaft 17A is formed. This is set so that when the main gear 21 is attached to the main gear mounting portion 17b and rotated, the main gear 21 has a loose fit that can rotate by one tooth.
  • a plurality of equally spaced teeth 21b that mesh with the rack teeth 14a of the rack member 14, a first tooth chipped portion 21e, and a second tooth chipped portion 21f are provided on the outer peripheral surface. More specifically, the first tooth missing portion 21e and the second tooth missing portion 21f in this embodiment are 6 missing teeth, 5 teeth each.
  • the first tooth portion 21A composed of 13 teeth 21b and the second tooth composed of seven teeth 21b are formed.
  • a portion 21B is formed.
  • an annular recess 21d centered on the through mounting hole 21a is formed.
  • the main gear 21 and the support gear 22 sandwich the side surface 21c of the main gear 21 and the support gear with an O-ring 19 formed of an elastic member such as rubber as a friction means.
  • the support gear 22 is mounted on the support gear mounting portion 17a on the rotary output shaft 17A, and the main gear 21 is mounted on the main gear mounting portion 17b, and then the E-ring is mounted.
  • the E-ring 23 is fitted to the portion 17c to prevent it from coming off, the main gear 21 and the support gear 22 can be attached and fixed on the rotary output shaft 17A.
  • the thickness of the O-ring 19 in this embodiment is the depth of the recess 21d provided on the side surface 21c of the main gear 21 facing each other and the depth of the recess 22d provided on the side surface 22c of the support gear 22. It is set slightly larger than the dimension to which is added. Therefore, the O-ring 19 arranged between the main gear 21 and the support gear 22 having the side surface 21c and the side surface 22c facing each other is crushed by the main gear 21 and the support gear 22, and is compressed and deformed. It is arranged in a state of pressure. Therefore, when either one of the side surface 21c of the main gear 21 and the side surface 22c of the support gear 22 tries to rotate, frictional resistance due to the O-ring 19 is generated.
  • the braking portion 16 configured in this way is attached to the movable rail 11B via the mounting bracket 15 with the main gear 21 and the support gear 22 in a state of being meshed with the rack teeth 14a of the rack member 14, respectively. Be done.
  • the relationship between the main gear 21 and the rack teeth 14a of the rack member 14 is that when the door plate 12 is arranged in the fully closed position, the first tooth missing portion 21e Corresponding to the rack teeth 14a of the rack member 14, the teeth 21b of the main gear 21 and the rack teeth 14a of the rack member 14 are attached in a non-meshing state (see FIG. 7).
  • the braking unit 16 has a small rotational resistance when the rotary output shaft 17A rotates in the open direction, and can open the door plate 12 with a light force, and conversely, when the rotary output shaft 17A rotates in the closed direction. Has a large rotational resistance, and the braking force of the damper 17 acts on the door plate 12, so that the door plate 12 is set to close slowly.
  • FIGS. 7 to 10 are operation explanatory views of the braking device 10. Next, the operation of the braking device 10 will be described by adding FIGS. 7 to 10 to FIGS. 1 to 6.
  • the braking device 10 shown in FIG. 7 shows a state in which the door plate 12 has an opening closed, and in the main gear 21 in the rotary gear means 18, the first tooth chipped portion 21e corresponds to the rack teeth 14a of the rack member 14. is doing.
  • the main gear 21 is also induced by the frictional force generated by the O-ring 19, which is a frictional means interposed between the support gear 22 and the main gear 21, together with the support gear 22.
  • the first tooth portion (13 peaks) 21A of the main gear 21 meshes with the rack tooth 14a of the rack member 14, and the main gear 21 also rotates clockwise together with the support gear 22.
  • the rotation output shaft 17A of the damper 17 fixing the main gear 21 also rotates clockwise together with the main gear 21.
  • the support gear 22 and the first tooth portion 21A of the main gear 21 continue to rotate while being meshed with the rack teeth 14a of the rack member 14.
  • the rotation of the support gear 22 here is in an idling state. Further, the main gear 21 and the rotation output shaft 17A rotate in a direction in which the rotation resistance of the damper 17 is small. Therefore, here, the door plate 12 can be opened with a light force.
  • the main gear 21 When the support gear 22 rotates, the main gear 21 is also induced by the frictional force generated by the O-ring 19, which is a frictional means interposed between the support gear 22 and the main gear 21, together with the support gear 22.
  • the first tooth portion (13 threads) 21A of the main gear 21 meshes with the rack tooth 14a of the rack member 14 and rotates in a counterclockwise direction.
  • the rotation output shaft 17A of the damper 17 fixing the main gear 21 also rotates in the counterclockwise direction.
  • the support gear 22 and the main gear 21 continue to rotate while being meshed with the rack teeth 14a of the rack member 14.
  • the rotation of the support gear 22 here is in an idling state.
  • the main gear 21 and the rotary output shaft 17A rotate in a direction in which the rotational resistance of the damper 17 is large, the damper force acts on the door plate 12, and the door plate 12 slowly moves toward the closed position together with the movable rail 118. It closes.
  • the door plate 12 starts to close (the region of 13 peaks where the first tooth portion 21A of the main gear 21 meshes), it closes with a slow movement, and after passing the middle (the second tooth chip of the main gear 21 is chipped). It closes at a high speed in the region of the portion 21f).
  • the main gear 21 When the support gear 22 rotates, the main gear 21 is also induced by the frictional force generated by the O-ring 19, which is a frictional means interposed between the support gear 22 and the main gear 21, together with the support gear 22.
  • the other tooth portion (13 peaks) 21A of the main gear 21 meshes with the rack tooth 14a of the rack member 14 and rotates in a counterclockwise direction.
  • the rotation output shaft 17A of the damper 17 fixing the main gear 21 also rotates in the counterclockwise direction. After that, the support gear 22 and the main gear 21 continue to rotate while being meshed with the rack teeth 14a of the rack member 14.
  • the door plate 12 moves in the closing position direction by its own weight together with the movable rail 11B and naturally closes. That is, when the door plate 12 starts to close (the region of 13 peaks where one tooth portion of the main gear 21 meshes), it closes with a slow movement, and after passing the middle (the second tooth chipped portion 21f of the main gear 21). Closes at a high speed in the area of).
  • the movable rail 11B that is integrally moved with the door plate 12 is closed at a substantially predetermined speed by the braking of the braking portion 16 in the damper mechanism 13. It can move toward the position side. That is, since the door plate 12 that moves integrally with the movable rail 11B also slowly moves from the open position to the closed position at a substantially predetermined speed, the opened door plate 12 should stop opening at any position and hold a hand or the like. Even if it is released, the opening can be automatically closed toward the closed position at a constant speed.
  • the guide rail 11 is installed so as to be inclined with respect to the upper surface of the opening so as to descend toward the side where the door plate 12 is closed, the force that moves the door plate 12 in the opening direction is released. Due to the inclination of the guide rail 11, the movable rail 11B moves to the closed position side together with the door plate 12 due to the gravity of the movable rail 11B and the door plate 12. As a result, the mechanism for self-closing the door plate 12 only requires tilting of the guide rail 11, so that the mechanism for self-closing the door plate 12 can be simplified.
  • the door plate 12 can be opened with a light force when it is closed, and when it is closed. (A region of the rack tooth 14a of the rack member 14 in which the first tooth portion 21A of the main gear 21 meshes) is applied with a braking force by the damper 17 to the door plate 12 to slowly close the door plate 12 at a substantially predetermined speed. Around the middle (the region where the second tooth chipped portion 21f of the main gear 21 corresponds to the rack member 14), the gear closes at a high speed.
  • This timing can be changed by setting the first tooth portion 21A of the main gear 21, the first tooth chipped portion 21e, and the second tooth chipped portion 21f. Further, when the main gear 21 is incorporated into the rotary output shaft 17A, the speed of opening or closing the door plate 12 can be increased by appropriately replacing the first tooth portion 21A and the second tooth portion 21B having different numbers of teeth. You can adjust the timing of speeding up.
  • the tooth profile of the main gear 21, the tooth profile of the support gear 22, and the tooth profile of the rack tooth 14a of the rack member 14 are each formed of spur gears.
  • the region of the surface of the rack teeth 14a of the rack member 14 that meshes with the main gear 21 is the first surface 14A
  • the region of the surface of the rack teeth 14a of the rack member 14 that meshes with the support gear 22 is the second surface.
  • the tooth profile of either the combination of the main gear 21 and the first surface 14A of the rack member 14 or the combination of the support gear 22 and the second surface 14B of the rack member 14 is formed by the oblique tooth gear. May be.
  • the meshing characteristics of the slanted teeth can reduce the operating noise of the gear and the rack when opening and closing the door plate.
  • the tooth profile of the main gear 21 is an oblique gear
  • the tooth profile of the first surface 14A of the rack member 14 is the tooth profile of the oblique tooth rack that meshes with the tooth profile of the main gear 21
  • the tooth profile of the support gear 22 is the main gear 21.
  • the tooth profile of the second surface 14B of the rack member 14 may be the tooth profile of the diagonal tooth rack that meshes with the tooth profile of the support gear 22.
  • the meshing characteristics of the oblique teeth can further reduce the operating noise of the gear and the rack when opening and closing the door plate.
  • the thrust force generated by the meshing of the main gear 21 and the thrust force generated by the meshing of the support gear 22 face each other, and the side surface 21c of the main gear 21 and the side surface 22c of the support gear 22 face each other.
  • the frictional resistance generated between them becomes even larger.
  • the transmission reaction between the main gear 21 and the support gear 22 can be improved.
  • present invention can be modified in various ways as long as it does not deviate from the spirit of the present invention, and it is natural that the present invention extends to the modified one.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un dispositif de freinage pour porte coulissante ayant une structure simple et capable de mettre automatiquement en contact, à une vitesse prédéterminée, un panneau de porte d'une porte coulissante vers une butée douce à une position prédéterminée, telle qu'une ouverture complète ou une fermeture complète. La solution selon l'invention porte sur un dispositif de freinage pour porte coulissante qui comprend un rail fixe (11A) disposé sur une surface supérieure d'une ouverture dans laquelle un panneau de porte (12) d'une porte coulissante est installé, un rail mobile (11B) qui peut se déplacer d'un seul tenant avec le panneau de porte (12) le long du rail fixe (11A), et un mécanisme d'amortisseur (13) installé entre le rail fixe (11A) et le rail mobile (11B) afin d'appliquer une force de freinage audit rail mobile (11B) se déplaçant par rapport au rail fixe (11A).
PCT/JP2021/046922 2020-12-21 2021-12-20 Dispositif de freinage pour porte coulissante WO2022138526A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022571425A JPWO2022138526A1 (fr) 2020-12-21 2021-12-20

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-211900 2020-12-21
JP2020211900 2020-12-21

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WO2022138526A1 true WO2022138526A1 (fr) 2022-06-30

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PCT/JP2021/046922 WO2022138526A1 (fr) 2020-12-21 2021-12-20 Dispositif de freinage pour porte coulissante

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WO (1) WO2022138526A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263546A (ja) * 2003-02-10 2004-09-24 Daihatsu Diesel Nhn Kk 引戸用制動装置および引戸
JP2006188948A (ja) * 2006-04-07 2006-07-20 Ryobi Ltd 引戸の制動装置
JP2012225054A (ja) * 2011-04-20 2012-11-15 Daiken Co Ltd 引戸の引き込み装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263546A (ja) * 2003-02-10 2004-09-24 Daihatsu Diesel Nhn Kk 引戸用制動装置および引戸
JP2006188948A (ja) * 2006-04-07 2006-07-20 Ryobi Ltd 引戸の制動装置
JP2012225054A (ja) * 2011-04-20 2012-11-15 Daiken Co Ltd 引戸の引き込み装置

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