EP3255238A1 - Jalousieanordnung und wickelvorrichtung dafür - Google Patents

Jalousieanordnung und wickelvorrichtung dafür Download PDF

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Publication number
EP3255238A1
EP3255238A1 EP16174033.7A EP16174033A EP3255238A1 EP 3255238 A1 EP3255238 A1 EP 3255238A1 EP 16174033 A EP16174033 A EP 16174033A EP 3255238 A1 EP3255238 A1 EP 3255238A1
Authority
EP
European Patent Office
Prior art keywords
spring
barrel
fixing
fixing unit
winding device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16174033.7A
Other languages
English (en)
French (fr)
Other versions
EP3255238B1 (de
Inventor
Ke-Min Lin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP16174033.7A priority Critical patent/EP3255238B1/de
Publication of EP3255238A1 publication Critical patent/EP3255238A1/de
Application granted granted Critical
Publication of EP3255238B1 publication Critical patent/EP3255238B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E06B9/50—Bearings specially adapted therefor
    • 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
    • E06B9/60—Spring drums operated only by closure members

Definitions

  • the disclosure relates to a blind assembly and a winding device thereof.
  • a conventional blind usually has a cord operable to pull up or down a shade thereof.
  • the cord may dangerously entangle with a child who plays with it, so cordless blinds have been provided in recent years.
  • US Patent No.8251120B2 discloses a conventional cordless blind 1, which includes first and second seats 11, 12 spaced apart from each other, a winding device 13 mounted on an inner side of the first seat 11, a shaft 14 rotatably disposed between the second seat 12 and the winding device 13, and a shade 15 wound on the shaft 14.
  • the first seat 11 has two spaced-apart posts 111, 112.
  • the winding device 13 has a cover 131 disposed at the inner side of the first seat 11, a roller 133 rotatably disposed on the post 112, a linking member 134 interconnecting the roller 133 and the shaft 14, and an S-shaped spring 132 having an end that is connected fixedly to the post 111 and an opposite end that is connected fixedly to the roller 133, such that rotation of the roller 133 twists the S-shaped spring 132. Since a resilient force of the S-shaped spring 132 when being twisted is equal to the weight of an unwound portion of the shade 15, the shade 15 can be pulled up or down cordlessly to any desired extent.
  • the conventional cordless blind 1 enables the shade 15 to maintain at the desired extent and improves safety of use.
  • the conventional cordless blind 1 is adapted to be mounted between two window sides 101 of a window 10
  • the winding device 13 is disposed outside of the shaft 14 (i.e., the shaft 14 is between the winding device 13 and the second seat 12)
  • a side of the shade 15 which is adjacent to the winding device 13 cannot be close to a respective one of the window sides 101 which is connected to the first seat 11, thereby causing a relatively large light leakage gap therebetween that would affect the light-shading function of the conventional cordless blind 1.
  • an object of the disclosure is to provide a blind assembly that can reduce the light leakage gap associated with the abovementioned prior art.
  • the blind assembly includes first and second side seats spaced apart from each other, a winding shaft, a shade member, and a winding device.
  • the winding shaft has an end mounted rotatably to the second side seat, and that is formed with an internal passage.
  • the shade member is wound on the winding shaft.
  • the winding device has a fixing unit, a coupling barrel, and a scroll spring.
  • the fixing unit has a fixing portion that is non-rotatably disposed on the first side seat, and a spring-mounting portion that extends in a direction opposite to the fixing portion.
  • the coupling barrel is disposed in the internal passage, is co-rotatable with the winding shaft, is rotatable relative to the fixing unit, and has a barrel wall that defines a receiving space receiving the spring-mounting portion.
  • the scroll spring is disposed in the coupling barrel, and has a fixing end disposed on the spring-mounting portion, and a connecting end disposed on the barrel wall of the coupling barrel, such that rotation of the coupling barrel relative to the fixing unit generates a resilient force of the scroll spring for retracting the shade member.
  • Another object of the disclosure is to provide a winding device that can be connected to a blind assembly.
  • the winding device is adapted to be connected to a blind assembly for disposing a winding shaft on a first side seat.
  • the winding shaft is formed with an internal passage.
  • the winding device includes a fixing unit, a coupling barrel, and a scroll spring.
  • the fixing unit has a fixing portion adapted to be non-rotatably disposed on the first side seat, and a spring-mounting portion extending in a direction opposite to the fixing portion.
  • the coupling barrel is adapted to be disposed in the internal passage and co-rotatable with the winding shaft.
  • the coupling barrel is rotatable relative to the fixing unit, and has a barrel wall that defines a receiving space receiving the spring-mounting portion.
  • the scroll spring is disposed in the coupling barrel.
  • the scroll spring has a fixing end disposed on the spring-mounting portion, and a connecting end disposed on the barrel wall, such that rotation of the coupling barrel relative to the fixing unit generates a resilient force of the scroll spring that is adapted for retracting a shade member.
  • a blind assembly 2 is illustrated to include a first embodiment of a winding device 20 according to the present disclosure, and to be mounted between two opposite sides 251 of a window structure 25.
  • the blind assembly 2 further includes first and second side seats 21, 22 spaced apart from each other, a rotatable winding shaft 23, and a shade member 24.
  • the first side seat 21 has a non-circular positioning hole 211.
  • the winding device 20 connects an end of the winding shaft 23 to the first side seat 21.
  • the winding shaft 23 has an opposite end mounted rotatably to the second side seat 22, and that is formed with an internal passage 231.
  • the shade member 24 is wound on the winding shaft 23, and has a counterweight portion 241 being adjacent to a bottom end thereof.
  • the winding device 20 has a coupling barrel 3, a fixing unit 4, a scroll spring 5, an end cover 6, and a pin 7.
  • the coupling barrel 3 is disposed in the internal passage 231, and is co-rotatable with the winding shaft 23.
  • the coupling barrel 3 has a barrel wall 31 defining a receiving space 32.
  • the barrel wall 31 has a hollowmain portion 311, an annular outer portion 312 extending outwardly from the main portion 311 and being proximate to the first side seat 21, two first pin holes 315 angularly spaced apart from each other and extending through the main portion 311 and the outer portion 312, two first spring grooves 316 formed in the main portion 311 and angularly spaced apart from each other, and four hook grooves 317 formed in the main portion 311 and being distal from the outer portion 312.
  • the barrel wall 31 further has an annular inner portion 313 extending inwardly from the main portion 311, and that has a shoulder part 314 projecting inwardly into the receiving space 32.
  • Each of the spring grooves 316 has an entrance 318 that is formed at an end of the main portion 311 which is opposite to the outer portion 312.
  • the fixing unit 4 includes a fixing seat 41, and a spring-mounting seat 42 coupled fixedly to the fixing seat 41.
  • the fixing seat 41 has a base plate portion 411 disposed outside of and abutting against the barrel wall 31 of the coupling barrel 3, a fixing portion 412 extending from the base plate portion 411 and fittingly and non-rotatably engaging the positioning hole 211 of the first side seat 21, a projecting portion 413 extending from the base plate portion 411 into the receiving space 32 of the coupling barrel 3, a collar portion 410 extending from the base plate portion 411 toward the receiving space 32 and surrounding the projecting portion 413, and four hook portions 414 extending from the collar portion 410, surrounding the projecting portion 413, and hooking the shoulder part 314 of the inner portion 313 of the barrel wall 31 of the coupling barrel 3, such that the barrel 31 is rotatable relative to the fixing unit 4.
  • the base plate portion 411 has a second pin hole 415.
  • the pin 7 is U-shaped.
  • the spring-mounting seat 42 has an abutting portion 421 abutting against the projecting portion 413 of the fixing seat 41, an engaging portion 422 extending from the abutting portion 421 and engaging fixedly the engaging hole 416 of the fixing seat 41, and a spring-mounting portion 423 extending from the abutting portion 421 in a direction opposite to the fixing portion 412 of the fixing seat 41, and received in the receiving space 32 of the coupling barrel 3.
  • the spring-mounting portion 423 has two second spring grooves 424, but the spring-mounting portion 423 may have only one second spring groove 424 in other embodiments.
  • the scroll spring 5 is disposed in the coupling barrel 3, and has a fixing end 51 disposed on the spring-mounting portion 423 by engaging one of the second spring grooves 424 of the spring-mounting seat 42, and a connecting end 52 disposed on the barrel wall 31 of the coupling barrel 3 by engaging one of the first spring grooves 316.
  • rotation of the coupling barrel 3 relative to the fixing unit 4 twists the scroll spring 5 to generate a resilient force for retracting the shade member 24.
  • the counterweight portion 241 pulls the shade member 24 downwardly against the resilient force of the scroll spring 4, thereby maintaining the shade member 24 at any desired state. Since the application of the interaction between the resilient force of the scroll spring 5 and the weight of the shade member 24 is known in the art, further details on the same are omitted herein for the sake of brevity.
  • the end cover 6 has a circular end wall 61, and four cover hooks 62 extending from the end cover 61 and respectively engaging the hook grooves 317 of the coupling barrel 3 such that the end cover 6 is co-rotatable with the barrel wall 31.
  • the end wall 61 of the end cover 6 has a connecting hole 611 engaged rotatably with the spring-mounting portion 423 of the spring-mounting seat 42.
  • the user pushes the spring-mounting seat 42 toward the fixing seat 41, and fixes the spring-mounting seat 42 to the fixing seat 41.
  • the second pin hole 415 is registered with one of the first pin holes 315, and the user can insert the pin 7 into the one of the first pin holes 315 and the second pin hole 415 for locking the fixing unit 4 to the coupling barrel 3, thereby maintaining the resilient force.
  • the fixing portion 412 of the fixing seat 41 extends out of the internal passage 231 of the winding shaft 23.
  • the remainder of the winding device 20, which is a significant portion of the winding device 20, is received inside the internal passage 231, so that one lateral side of the shade member 24 which is proximate to the winding device 20 would be relatively close to a corresponding one of the window sides 251 of the window 25, that is, a light leakage gap that would be formed between the shade member 24 and the respective one of the window sides 251 can be reduced.
  • a second embodiment of the blind assembly 2 has a structure similar to that of the first embodiment, except that the fixing seat 41 and the spring-mounting seat 42 are molded as one piece with the engaging hole 416 and the engaging portion 422 disclosed in the first embodiment being omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP16174033.7A 2016-06-10 2016-06-10 Jalousieanordnung und wickelvorrichtung dafür Not-in-force EP3255238B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16174033.7A EP3255238B1 (de) 2016-06-10 2016-06-10 Jalousieanordnung und wickelvorrichtung dafür

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16174033.7A EP3255238B1 (de) 2016-06-10 2016-06-10 Jalousieanordnung und wickelvorrichtung dafür

Publications (2)

Publication Number Publication Date
EP3255238A1 true EP3255238A1 (de) 2017-12-13
EP3255238B1 EP3255238B1 (de) 2018-08-01

Family

ID=56119384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16174033.7A Not-in-force EP3255238B1 (de) 2016-06-10 2016-06-10 Jalousieanordnung und wickelvorrichtung dafür

Country Status (1)

Country Link
EP (1) EP3255238B1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110272106A1 (en) * 2010-05-04 2011-11-10 Willis Jay Mullet Anti-reversible power spring apparatus and method
US8251120B2 (en) * 2010-09-09 2012-08-28 Chicology, Inc. Cordless blind structure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110272106A1 (en) * 2010-05-04 2011-11-10 Willis Jay Mullet Anti-reversible power spring apparatus and method
US8251120B2 (en) * 2010-09-09 2012-08-28 Chicology, Inc. Cordless blind structure

Also Published As

Publication number Publication date
EP3255238B1 (de) 2018-08-01

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