EP0059807A2 - Fenstervorhang mit Schnurfeststellvorrichtung - Google Patents

Fenstervorhang mit Schnurfeststellvorrichtung Download PDF

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Publication number
EP0059807A2
EP0059807A2 EP81303875A EP81303875A EP0059807A2 EP 0059807 A2 EP0059807 A2 EP 0059807A2 EP 81303875 A EP81303875 A EP 81303875A EP 81303875 A EP81303875 A EP 81303875A EP 0059807 A2 EP0059807 A2 EP 0059807A2
Authority
EP
European Patent Office
Prior art keywords
pin
cord
headrail
blind
locking
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Withdrawn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
EP81303875A
Other languages
English (en)
French (fr)
Other versions
EP0059807A3 (de
Inventor
Claude M. Mcniel
Louis G. Valle
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.)
Beatrice Companies Inc
Original Assignee
Beatrice Foods Co
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 Beatrice Foods Co filed Critical Beatrice Foods Co
Publication of EP0059807A2 publication Critical patent/EP0059807A2/de
Publication of EP0059807A3 publication Critical patent/EP0059807A3/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Withdrawn legal-status Critical Current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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/324—Cord-locks

Definitions

  • the present invention pertains generally to a window blind and, in particular, to a locking device for use on one or more cords used to adjust the blind height.
  • a well received type of window covering is one referred to as a venetian blind in which a plurality of slats can be adjusted at various relative angles to one another to control the amount of light passing therethrough and also can be raised or lowered to any desired height.
  • a further highly successful form of window covering unit having some features in common with a venetian blind is a window covering consisting of a pleated fabric which can be raised or lowered to a desired height by cords extending through apertures in the pleated fabric. Adjustment of Lhe cords to produce the desired height of the window covering in either a conventional venetian blind or a pleated fabric blind is typically accomplished by manipulation of an extent of the cords which lies outwardly of the blind.
  • cord locks which were built into the headrail, for example, of the blind which upon selective angular positioning of the cord allowed vertical adjustment of the blind height, and locking the cord in position so that the blind height will be maintained constant until affirmatively changed.
  • All known prior cord locks have not been completely satisfactory for one or more reasons. For example, certain of the prior locking devices were rather large and bulky destroying the aesthetic appearance of the blind. Other prior known locks were balky in operation requiring much frequent repeated adjustment up and down until the desired height could be obtained. Still others were undependable and broke all too easily during normal use.
  • a blind having window covering parts which are interconnected with two or more vertically extending cords which are adjustable to raise and lower the blind to any desired height.
  • the cords pass through a common headrail arranged along the upper edge of the blind and pass over a transversely arranged cylindrical pin which guides the cords downwardly and outwardly of the headrail.
  • Adjacent the fixed pin is a second cylindrical pin having its end portions slidably received in slots which provides the second pin with a freedom of movement in a plane closely adjacent the first pin.
  • the sliding pin is located relative to the pull cord such that when the cord is allowed to hang vertically downward the movable pin is contacted and frictionally moved upwardly locking the cord between the two pins.
  • the movable pin is freed from restraining contact with the cord and the pin moves along a gravity path away from the first pin releasing the cord for relative movement about the fixed pin.
  • the blind or window covering unit with which the present invention is most advantageouf is identified generally as at 10, and is seen to include an extent of pleated material 11 which hangs generally vertically between a headrail 12 and a bottomrail 13. Adjustments of height of the blind (i.e., the spacing of bottomrail 13 below the headrail 12) are accomplished by hand manipulation of a pull-cord 14 which, in a way that will be more particularly described, passes through the headrail, is threaded through a plurality of openings 15 in the blind 11 and affixed to the bottomrail 13.
  • the blind when the cord 14 extends in a generally vertical direction as shown in Figure 1, the blind is locked fixedly positioning the blind 11 at a given height and maintaining that height.
  • the cord 14 when the cord 14 is moved angularly sideward so as to extend toward the central portion of the blind ( Figure 2), this releases the lock and permits vertical adjustment of the blind by either pulling on the cord to raise the blind, or releasing tension on the cord allowing it to go up into the headrail to lower the blind.
  • the headrail 12 is seen to include a hollow substantially rectangular housing within which two sets of longitudinally extending paired, upstanding, spaced walls 17 and 18, respectively, are located immediately adjacent opposite side walls and defining a pair of spaces for cooperating with certain other members to be described.
  • the lower wall 19 of the inner rail includes at least two openings (now shown) through which the respective cords 16 and 16' pass prior to being threaded through openings 15 in the blind fabric 11. These openings in lower wall 19 lie between the two wall sets 17 and 18 of supporting and guide walls.
  • a lock housing 20 has walls defining a hollow interior with an inlet opening 21 through which the pull cord 14 extends and three keying wall members 22 which are fittingly received within the open end of the headrail 12, the outer two each being received within the space of one of the guide wall sets 17 and 18.
  • the lock housing walls 22 are fitted into the open end of the headrail such that the housing 20 is unitarily related to the outer end of the headrail.
  • the pull cord 14 moves upwardly through the opening 21 and its component cords 16 turning at right angles to pass along the interior opening of the headrail 12 between the wall sets 17 and 18.
  • the locking means and housing are constructed so that they may be adapted for location at either the left end or the right end of a given blind, but since the operation and construction of the parts are identical for each case, we shall confine the description herein to the situation where the locking arrangement is located at the right of the blind as it is shown in Figures 1 and 2.
  • a hollow caplike enclosure 26 fits over the forwardly and upwardly facing surface 24 and includes a plurality of projections 27 received in correspondingly dimensioned openings 28 in the base 23 so as to secure and position the cap properly in place.
  • a metal pin 29, preferably cylindrical, has its one end fixedly received within an opening in the base 23 and its opposite end received in a similar opening in the cap 26 thereby positioning the pin substantially at right angles to the base face 24.
  • the fixed roller 29 serves as a bearing surface over which the cords 16, 16' move and changing the cord direction from that in a vertical plane to one in a horizontal plane.
  • the pin 29 serves as one of the active elements of the locking means for securing the cords as will be shown.
  • a further metal pin 32 is arranged with its end portions received within slightly oversized slots 33 and 34 in the base 23 and the cap 26, respectively, enabling the pin to move in a direction generally transversely of the headrail long dimension. More particularly, and with additional reference to Figure 5, the slots are elongated and lie outwardly of the pin 29 (i.e., towards the outer end of the housing 20) and form a plane generally parallel to the outer end of the headrail.
  • the pin 32 is sufficiently undersized with respect to the slots 33 and 34 within which the pin end portions are received that it will readily rotate about its own longitudinal axis as it slides along the slots.
  • the cords 16 coming from the blind extend along the central space in the headrail between the two sets of walls 17 and 18 and pass over the upper surface of the fixed pin 29 as shown in Figure 6, for example. After this, the cords extend downwardly and out the opening 21 where they will hang vertically downwardly if solely under the influence of gravity (Figure 4). Also while in this vertical hanging condition as is shown in Figure 5, the portion of the cords 16 which are to extend outwardly from the bottom of the lock housing 20 will functionally engage the side of the movable pin 32. Accordingly, at this time, any downward movement of the cords 16 by such as would result on manipulation of the pull cord 14, moves the movable pin toward its greatest opening condition and therefore will not impede movement of the cords.
  • the pull cord When it is desired to unlock the lock from a position as shown in Figure 6 and lower the blind, the pull cord is moved on an angle such that its lower end points toward the central reaches of the window blind (cf. Figure 2) which releases the movable pin allowing it to fall under the action of gravity to its lowermost position and thereby allowing further movement or adjustment of the cords in a direction lowering the blind.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
EP81303875A 1981-03-09 1981-08-25 Fenstervorhang mit Schnurfeststellvorrichtung Withdrawn EP0059807A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24205781A 1981-03-09 1981-03-09
US242057 1981-03-09

Publications (2)

Publication Number Publication Date
EP0059807A2 true EP0059807A2 (de) 1982-09-15
EP0059807A3 EP0059807A3 (de) 1982-12-08

Family

ID=22913287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81303875A Withdrawn EP0059807A3 (de) 1981-03-09 1981-08-25 Fenstervorhang mit Schnurfeststellvorrichtung

Country Status (4)

Country Link
EP (1) EP0059807A3 (de)
DK (1) DK367381A (de)
ES (1) ES267849U (de)
FI (1) FI812872L (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476909A (en) * 1982-06-14 1984-10-16 Levolor Lorentzen, Inc. Cord lock for a venetian blind lift cord
US4660612A (en) * 1985-02-27 1987-04-28 Hunter Douglas, Inc. Cordlock structure for a blind assembly having improved locking means
US4719956A (en) * 1985-03-22 1988-01-19 Beatrice Companies Adjustable window covering cord lock
DE4033248A1 (de) * 1990-10-19 1992-04-23 Warema Renkhoff Gmbh & Co Kg Vorrichtung zum abbremsen von schnueren an faltstoreanlagen, schnurzugjalousien o. dgl.
AU624473B2 (en) * 1989-02-06 1992-06-11 Hunter Douglas International N.V. Cord lock for window shades
EP0931903A3 (de) * 1998-01-14 2000-12-20 Hunter Douglas Industries B.V. Schnurklemme
DE19505825B4 (de) * 1995-02-21 2007-10-04 Mhz Hachtel Gmbh & Co. Kg Sonnenschutzeinrichtung und/oder Fensterdekoration
DE102006001604B4 (de) * 2006-01-11 2013-09-12 Warema Kunststofftechnik Und Maschinenbau Gmbh Schnurbremse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476909A (en) * 1982-06-14 1984-10-16 Levolor Lorentzen, Inc. Cord lock for a venetian blind lift cord
US4660612A (en) * 1985-02-27 1987-04-28 Hunter Douglas, Inc. Cordlock structure for a blind assembly having improved locking means
US4719956A (en) * 1985-03-22 1988-01-19 Beatrice Companies Adjustable window covering cord lock
AU624473B2 (en) * 1989-02-06 1992-06-11 Hunter Douglas International N.V. Cord lock for window shades
DE4033248A1 (de) * 1990-10-19 1992-04-23 Warema Renkhoff Gmbh & Co Kg Vorrichtung zum abbremsen von schnueren an faltstoreanlagen, schnurzugjalousien o. dgl.
DE19505825B4 (de) * 1995-02-21 2007-10-04 Mhz Hachtel Gmbh & Co. Kg Sonnenschutzeinrichtung und/oder Fensterdekoration
EP0931903A3 (de) * 1998-01-14 2000-12-20 Hunter Douglas Industries B.V. Schnurklemme
DE102006001604B4 (de) * 2006-01-11 2013-09-12 Warema Kunststofftechnik Und Maschinenbau Gmbh Schnurbremse

Also Published As

Publication number Publication date
FI812872L (fi) 1982-09-10
ES267849U (es) 1983-04-01
EP0059807A3 (de) 1982-12-08
DK367381A (da) 1982-09-10

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT NL SE

PUAL Search report despatched

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18D Application deemed to be withdrawn

Effective date: 19840805

RIN1 Information on inventor provided before grant (corrected)

Inventor name: VALLE, LOUIS G.

Inventor name: MCNIEL, CLAUDE M.