US3251400A - Structure for mounting vertical blind slats - Google Patents

Structure for mounting vertical blind slats Download PDF

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Publication number
US3251400A
US3251400A US306213A US30621363A US3251400A US 3251400 A US3251400 A US 3251400A US 306213 A US306213 A US 306213A US 30621363 A US30621363 A US 30621363A US 3251400 A US3251400 A US 3251400A
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Prior art keywords
shiftable
slats
end portion
dimension
pair
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US306213A
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English (en)
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Krull Andreas
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    • 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
    • E06B9/36—Lamellar or like blinds, e.g. venetian blinds with vertical lamellae ; Supporting rails therefor
    • E06B9/362—Travellers; Lamellae suspension stems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S160/00—Flexible or portable closure, partition, or panel
    • Y10S160/90—Vertical type venetian blind

Definitions

  • the present invention relates to blinds and in particular to blinds which have vertical slats.
  • the .slats of such blinds are usually supported for movement by an elongated support member extending along an upper part of the blind, this support member usually being hollow .and the slats respectively having top end portions which extend through a slot in the bottom wall of the hollow support member into the interior of the latter where the top end portions of the slats are connected to members which are guided for movement along the support member and for shifting in known manner as shown in US. Patent 1,351,229 and French Patent 1,034,536.
  • the vertical slats thereof are turnable about their longitudinal vertical :axes, respectively, with the result that the members connected to the top ends of the slats and supported by the support member tend to turn relative to the support member. Because of this tendency of the elements at the top ends of the slats to turn relative to the support member, these elements often bind and resist and prevent free movement of the slats along the support member.
  • the objects of the present invention include shiftable members connected to the top ends of the slats and guided for movement by the support members, with the possibility of constructing all of the shiftable members identically so that they can be very inexpensively manufactured by mass production techniques.
  • the invention includes, in a blind which has vertical slats, an elongated horizontal supporting wall having a pair of elongated edge portions which define between themselves a longitudinal slot through which top end portions of vertical blind slats extend.
  • a pair of guide means are carried by this wall at an upper side thereof and respectively extend along these edge portions which define the slot.
  • a plurality of identical shiftable members are respectively connected to the top end portions of the slats, are located over the wall, and each have an intermediate portion in the immediate vicinity of the top end portion of the slat to which it is connected and a pair of opposed, long and 7 short end portions between which this intermediate portion is located.
  • each shiftable member has, in the longitudinal direction of the slot, a dimension substantially greater than the dimension of the intermediate portion of the shiftable member in this direction, and the short end portion of each shiftable member has in the same direction a dimension which is not greater than the dimension of the intermediate portion, and the end portions of each shiftable member respectively engage the pair of guide means to be guided thereby.
  • the shiftable members are arranged in a row along the wall with each pair of adjoining shiftable members oriented oppositely with respect to each other so that the long end portion of one shiftable member is followed by the short end portion of the next shiftable member along each guide means.
  • the intermediate portions of the shiftable member, and the top end portions of the slats therewith can be located at a distance from each other which is substantially less than the above dimension of the long end portion of each shiftable member, while at the same time the long end portion of each shiftable member extends along the guide member which it engages through a distance sufiicient to provide etfective guiding of each shiftable member.
  • FIG. 1 is a transverse, sectional elevation of one possible embodiment of a structure according to the present invention
  • FIG. 2 is a fragmentary sectional plan View along II-II of FIG. 1 in the direction of the arrows;
  • FIG. 3 is a transverse sectional view of another embodiment of a structure according to the present invention.
  • FIG. 3a is a fragmentary sectional elevation taken along the line Illa-411a of FIG. 3 in the direction of the arrows;
  • FIG. 4 is a fragmentary sectional plan view taken along the line IV-IV of FIG. 3 in the direction of the arrows.
  • FIG. 5 is a longitudinal sectional elevation along the line VV of FIG. 4; the slats are shown in the left in closed position and in the right in extended and shifted position.
  • FIGS. 1 and 2 there is shown therein an elongated support member 1 in the form on an extrusion which may be made of any suitable light metal or plastic.
  • This support member 1 is adapted to be mounted in a known way in a position extending horizontally across the top of a window which is provided with the blind of the invention.
  • the elongated hollow extrusion 1 has a bottom wall 1a which is horizontal, and it will be seen that this elongated horizontal supporting wall 1a has a pair of inner elongated parallel edge portions which define between themselves the slot 2 through which the top end portions 4 of vertical blind slats extend.
  • These top end portions 4 of the slats are simply in the form of cylindrical rods fixed at their bottom un illustrated ends in a known way to the top ends of the slats, respectively.
  • the elongated horizonal supporting wall 1a carries at an upper side thereof a pair of guide means 1b which respectively extend along the edge portions of the wall 1a which define the slot 2, and the pair of guide means are simply in the form of a pair of guide flanges 1b which are integral with the wall 1a and which respectively have upper rounded edge portions.
  • a plurality of identical shiftable members 3' are respectively connected to the top end portions 4 of the slats, are located over the wall 1a, and each have an intermediate portion 3a in the immediate vicinity of the top end portion 4 of the slat to which it is connected.
  • each intermediate portion 3a is in fact in the form of a tube extending with considerable play through the slot 2, and the top end portion 4 of the slat extends through the tubular intermediate portion 3a, so that the intermediate portions 311 of the shiftable members 3 are in fact respectively formed with Openings through which the top end portions 4 of the slats respectively extend.
  • These top end portions 4 have head ends 44, respectively, which respectively rest on the intermediate portions 3a of the shiftable members 3, so that in this way the slats are carried by the shiftable members 3 while at the same time being turnable relative thereto, respectively.
  • Each shiftable member 3 is provided with a long end portion 3b and with an opposed short end portion 3 and in accordance with the present invention the long end portion 3b of each shiftable member 3 has, in the longitudinal direction of the slot 2, a dimension a which is substantially longer that the dimension of the intermediate portion 3a in the same direction, while the short end portion 3) of each shiftable member 3 has in the longitudinal direction of the slot 2 a dimension which is not greater than this dimension of the intermediate portion 3a.
  • the identical shiftable members 3 have their intermediate portions 3a arranged midway between the ends of their long end portions 3b, respectively, while their short end portions 3 are substantially shorter than the intermediate portions 3a and located midway between the ends of the latter, respectively.
  • Each long end portion 3b is formed at is underside with an elongated groove 30 which receives the guide means 1b engaged by the particular long end portion 311, and each shiftable member 3 is provided in its groove So with rounded projections 3a! which respectively slidably engage the opposed side faces of the guide means 1b.
  • each shiftable member 3 is provided at the ends or" its groove So with a pair of downwardly directed transverse projections 3e, respectively and these projections 3e rest on and directly engage the top surface of the guide means 111.
  • the short end portion 3 of each shiftable member simply has a flat bottom face resting on the guide means 1b.
  • each shiftable member 3 is provided with a threepoint support system so that the position of each shiftable member 3 is statically determined with respect to r the pair of guide flanges 1b, and thus it becomes possible with this construction to arrange the row of shiftable members so that each pair of adjoining shiftable members 3 are oriented oppositely with respect to each other, as is particularly apparent from FIG. 2.
  • the greater length of the long end portion 3b of each shiftable member 3 enables it to cooperate with the guide means 1b which it engages to be reliably guided thereby so as to guarantee free longitudinal shifting movement of each shiftable member 3 without any possible binding thereof, and of course the short end portions 3 simply rest on and slide freely along the guide flanges.
  • the distance between the slats is not determined by-the length of the long end portions 31) of the shiftable members.
  • the distance 1) between a pair of adjoining slats is substantially less than the length a of each long end portion 312, so that with the structure of the invention it is possible to locate the slats very close to each other while providing each shiftable member with a structure longer than the shortest distance between the slats for guiding purposes. It will be seen that it is only the length of the intermediate portions 3a, in the longitudinal direction of the slot 2 which limits the extent to which the slats may be moved toward each other.
  • the shiftable members 3 have a construction substantially the same as those of FIGS. 1 and 2, the difference being primarily with respect to the length of the members 3 in the longitudinal direction of the slot 2.
  • upper and lower horizontal supporting walls are provided, and thus it will be seen that the elongated hollow extrusion which forms the support member 5 shown in FIG. 3 has an upper wall 1:: formed with a slot 2 in the same way as the lower wall la which is identical to the wall of FIG. 1, and these upper and lower walls of FIG. 3 are coextensive, with the upper wall It: aligned over the lower wall 1a so that the pair of slots 2 of FIGS.
  • FIGS. 3 and 4 are also in alignment with each other and of course are also coextensive.
  • Each of the walls 1a of FIGS. 3 and 4 are provided along their edge portions which define the slots 2, respectively, with the upwardly directed, integral guide flanges 1b which form the guide means for the shiftable members 3, as described above.
  • Theseshiftable members 3 of FIGS. 3 and 4 are provided at their long end portions with grooves which receive the guide flanges and with projections engaging these guide flanges in exactly ti e same way as described above in connection with FIGS. 1 and 2, and of course the short end portions 3] simply have flat bottom faces resting on the guide flanges 1b.
  • the intermediate portions 3a of the lower row are spaced from each other inthe position of the part shown in FIG. 4 by a distance greater than the intermediate portions 3a of the shiftable members 3 of FIG. 2, and as a result it becomes possible to provide the long end portions 3b of FIGS. 3 and 4 with a length a considerably greater than the length a shown in FIG. 2, so that an even better guiding of the shiftable members 3 is provided with the embodiment of FIGS. 3 and 4.
  • the slats with the embodiment of FIGS. 3 and 4 need not be located from each other by a distance greater than with the embodiment of FIGS..1 and 2, when they are located as close as possible to each other as shown in FIG. 4.
  • the distance b between a pair of adjoining slats, indicated in FIG. 4, is equal to the distance b shown in FIG. 2.
  • the length a is still substantially greater than the distance 1) between the intermediate portions of a pair of adjoining shiftable members 3. Therefore, with the embodiment of FIGS. 3 and 4 it becomes possible to provide even longer end portions 317, as compared to the embodiment of FIG. 2, without requiring the slats to be spaced from each other by a distance greater than with the embodiment of FIG. 2.
  • the embodiment of FIG. 4 it is possible to provide the head ends 4a of the rods 4 with somewhat larger diameters than the head ends of rods 4 of FIGS. 1 and 2.
  • FIG. 3a clearly indicates how the projections 3e at the ends of each groove 30 engage the top edge of the guide flanges 1b.
  • each rod 4 and the intermediate portion 3a of each shiftable member 3 on which the head end 4a rests are provided with cooperating parts one of which is in the form of a projection and the other of which is in the form of a recess receiving this projection when the slat is in the predetermined angular position, so that in this way the slat will be retained in the particular angular position.
  • cooperating parts one of which is in the form of a projection and the other of which is in the form of a recess receiving this projection when the slat is in the predetermined angular position
  • each head end 4a carries a pair of opposed projections 4b which are respectively received in a pair of opposed recesses 3g formed in the upper face of each shiftable member 3, and thus the location of the projections 4b in the recesses 3g determines a particular angular position of the slat.
  • the projections 4b are in the recesses 3g to releasably retain the slats in a predetermined position such as, for example, the closed position where the slats engage each other.
  • the structure of the invention also with that type of blind which includes, instead of the individual slats, a continuous curtain or sheet which has the portions which correspond to slats interconnected by fold lines so that the continuous curtain or sheet has a folded construction enabling it to be collapsed or expanded, and with such a blind the individual portions of such a sheet would also be connected to the rods 4, the only difference being that these rods 4 would necessarily turn with respect to the intermediate portions 3a of the shiftable members 3 during shifting of the latter toward and away from each other.
  • the structure of the invention can be used with that type of structure where the slats or curtain are supported only at their tops or at their tops and bottom-s.
  • FIG. 2 instead of providing an arrangement as shown in FIG. 2 where the total end faces of the shiftable members engage each other, upon shifting of the members 3 toward each other, it is possible also to provide a construction where these end faces engage each other only at localized areas thereof.
  • an elongated horizontal supporting wall having a pair of elongated edge portions defining between themselves a longitudinal slot; a pair of guide means carried by said wall at an upper side thereof and respectively extending along said edge portions; and a plurality of identical unitary shiftable members each of which is connected to the top end portion of one of said slats, located over said wall, and each having an intermediate portion in the immediate vicinity of the top end portion of the slat to which it is connected and a pair of opposed, long and shortend portions being integral with said intermediate portion and located on opposite sides thereof, said long end portion having in the longitudinal direction of said slot a dimen sion substantially greater than the dimension of said intermediate portion in said direction and said short end portion having in said direction a dimension which is not greater than said dimension of said intermediate portion followed by said short end portion of the next shiftable member along each guide means whereby the central portions of adjacent slats can be located at a,distance from each other substantially less than said dimension
  • each shiftable member having the intermediate portion thereof arranged substantially midway between the ends of the long end portion thereof.
  • said shiftable members being guided by said guide means for shiftable movement toward each other to a position where they engage each other, and said shiftable members respectively having end faces, the total areas of which engage each other in said position of said shiftable members.
  • an elongated horizontal supporting wall having a pair of elongated edge portions defining between themselves a longitudinal slot; a pair of guide flanges respectively connected to and extending upwardly from and along said edge portions; and a plurality of identical unitary shiftable members each of which is connected to the top end portion of one of said slats, located over said wall and guide flanges, and each having an intermediate portion in the immediate vicinity of the top end portion of the slat to which it is connected and a pair of opposed, long and short end portions being integral with said intermediate portion and located on opposite sides thereof, said long end portion having in the longitudinal direction of said slot a dimension substantially greater than the dimension of said intermediate portion in said direction and said short end portion having in said direction a dimension which is not greater than said dimension of said intermediate portion and said intermediate portion having in said direction a dimension exceeding the thickness of the slat connected thereto, said end portions of each shiftable member respectively resting on said pair of guide flange
  • each shiftable member having in said groove of said long end portion thereof projections which engage opposed faces of said flange.
  • each shiftable member having at the ends of said groove of said long end portion thereof downwardly directed projections, respectively, which engage the upper edge of said flange.
  • each shiftable member having a flat bottom face engaging the top edge of the guide flange on which it rests.
  • an elongated horizontal supporting wall having a pair of elongated edge portions defining between themselves a Iongitudinal slot; apair of guide means carried by said wall at an upper side thereof and respectively extending along said edge portions; and a plurality of identical unitary shiftable members each of which is connected to the top end portion of one of said slats, located over said wall, and each having an intermediate portion in the immediate vicinity of the top end portion of the slat to which it is connected and a pair of opposed, long and short end por- Y tions being integral with said intermediate portion and located on opposite sides thereof, said long end portion having in the longitudinal direction of said slot a dimension substantially greater than the dimension of said intermediate portion in said direction and said short end portion having in said direction a dimension less than said dimension of said intermediate portion and said intermediate portion having in said direction a dimension exceeding the thickness of the slat connected thereto, said end portions of each shiftable member respectively engaging said pair of guide means to be guided
  • an elongated horizontal supporting wall having a pair of elongated edge portions defining between themselves a longitudinal slot; a pair of guide flanges respectively connected to and extending upwardly from and along said edge portions, said guide flanges each having a rounded upper edge portion; and a plurality of identical shiftable members each of which is connected to the top end portions of the slats, located over said Wall and guide flanges, and each having an intermediate portion in the immediate vicinity of the top end portion of the slat to which it is connected and a pair of opposed, long and short end portions betwen which said intermediate portion is located, said long end portion having in the longitudinal direction of said slot a dimension substantially greater than the dimension of said intermediate portion in said direction and said short end portion having in said direction a dimension which is not greater than said dimension of said intermediate portion and said intermediate portion having in said direction a dimension exceeding the thickness of the slat connected thereto, said end portions of each shiftable member respectively
  • an elongated horizontal supporting wall having a pair of elongated edge portions defining between themselves a longitudinal slot; a plurality of top end portions of vertical blind slats extending through said slot and each having a head end located over said slot; a pair of guide flanges respectively connected to and extending upwardly from and along said edge portions; and a plurality of identical shiftable members respectively connected to said top end portions of said slats, located over said wall, and respectively having intermediate portions formed with openings through which said top end portions of said slats respectively extend and on which said head ends respectively rest so that said slats are turnable relative to said intermediate portions of said shiftable members, respectively, each shiftable member having a pair of opposed, long and short end portions between which said intermediate portion is located, said long end portion having in the longitudinal direction of said slot a dimension substantially greater than the dimension of said intermediate portion in said direction and said short end portion having in said direction a dimension which is not greater than
  • a blind having vertical slats, in combination, upper and lower elongated horizontal supporting walls each having a pair of elongated edge portions defining between themselves a longitudinal slot, said walls being substantially identical and coextensive, with said upper wall located in alignment with said lower wall over the latter so that said slots are also coextensive and in alignment with each other; a plurality of top end portions of vertical blind slats some of which extend only through the slot of the lower wall and others of which extend through the slots of both walls; a pair of guide means carried by each wall at an upper side thereof and respectively extending along said edge portions of each wall; and a plurality of identical shiftable members respectively connected to the top end portions of the slats, located over each wall, and each having an intermediate portion in the immediate vicinity of the top end portion of the slat to which it is connected and a pair of opposed, long and short end portions between which said intermediate portion is located, said long end portion having in the longitudinal direction of each slot a dimension substantially greater than the dimension of

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
US306213A 1962-08-31 1963-09-03 Structure for mounting vertical blind slats Expired - Lifetime US3251400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK47630A DE1165234B (de) 1962-08-31 1962-08-31 Vorrichtung zum seitlichen Verschieben der sich lotrecht erstreckenden Lamellen eines Sonnenstores oder zum Verschieben eines durchgehenden Stores

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US3251400A true US3251400A (en) 1966-05-17

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US306213A Expired - Lifetime US3251400A (en) 1962-08-31 1963-09-03 Structure for mounting vertical blind slats

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US (1) US3251400A (enrdf_load_stackoverflow)
AT (1) AT249969B (enrdf_load_stackoverflow)
DE (1) DE1165234B (enrdf_load_stackoverflow)
GB (1) GB1039573A (enrdf_load_stackoverflow)
NL (2) NL140925B (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343588A (en) * 1966-02-07 1967-09-26 Louverdrape Inc Transversing vertical venetian blind
US3422878A (en) * 1967-03-14 1969-01-21 Samuel Galietti Foldable door for wall openings
US4525893A (en) * 1982-09-16 1985-07-02 Toso Kabushiki Kaisha Curtain runner
WO1987004057A1 (en) * 1985-12-31 1987-07-16 Leibowitz, Martin, N. Drapery and vertical blind system
US4796684A (en) * 1987-05-26 1989-01-10 Haimovitz Leonard J Compact drapery system
US4846249A (en) * 1988-01-11 1989-07-11 Castec, Inc. Window shade carrier and carrier assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ199996A (en) * 1981-03-20 1983-12-16 Bayly Peter Ass Telescopic curtain track
GB201002496D0 (en) * 2010-02-15 2010-03-31 Laydon Maurice Curtain glider

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1043492A (en) * 1911-10-20 1912-11-05 William Werner Accordion-door.
US2114198A (en) * 1935-02-05 1938-04-12 Wilson J G Corp Automatic door elevating control
US2188575A (en) * 1938-09-17 1940-01-30 John A Mclennan Window blind
US2408525A (en) * 1944-07-13 1946-10-01 Pittsburgh Plate Glass Co Folding door
US2503441A (en) * 1945-07-20 1950-04-11 Kamm Jack Bart Vertical slat blind construction
FR1034536A (fr) * 1951-03-29 1953-07-27 Persiennes à lames verticales individuellement réglables en position et orientation
US2681492A (en) * 1952-08-13 1954-06-22 Samuel J Lackritz Slider for slide fasteners
US2687170A (en) * 1952-02-27 1954-08-24 Theodore L Johnson Accordion-type door
US3028910A (en) * 1957-12-09 1962-04-10 Edgar K Orr Shaft hook and mounting for vertical blinds

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1097633B (de) 1952-07-02 1961-01-19 Beer Hans Vorrichtung zum verschiebbaren Halten und Fuehren von Vorhaengen
DE1837222U (de) * 1961-05-05 1961-09-07 Julius Schmidt Fa Gleiter aus kunststoff fuer gardinenschleuderstaebe, gardinenschleuderkordeln od. dgl.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1043492A (en) * 1911-10-20 1912-11-05 William Werner Accordion-door.
US2114198A (en) * 1935-02-05 1938-04-12 Wilson J G Corp Automatic door elevating control
US2188575A (en) * 1938-09-17 1940-01-30 John A Mclennan Window blind
US2408525A (en) * 1944-07-13 1946-10-01 Pittsburgh Plate Glass Co Folding door
US2503441A (en) * 1945-07-20 1950-04-11 Kamm Jack Bart Vertical slat blind construction
FR1034536A (fr) * 1951-03-29 1953-07-27 Persiennes à lames verticales individuellement réglables en position et orientation
US2687170A (en) * 1952-02-27 1954-08-24 Theodore L Johnson Accordion-type door
US2681492A (en) * 1952-08-13 1954-06-22 Samuel J Lackritz Slider for slide fasteners
US3028910A (en) * 1957-12-09 1962-04-10 Edgar K Orr Shaft hook and mounting for vertical blinds

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343588A (en) * 1966-02-07 1967-09-26 Louverdrape Inc Transversing vertical venetian blind
US3422878A (en) * 1967-03-14 1969-01-21 Samuel Galietti Foldable door for wall openings
US4525893A (en) * 1982-09-16 1985-07-02 Toso Kabushiki Kaisha Curtain runner
US4724883A (en) * 1985-11-07 1988-02-16 Leibowitz Martin Nick Drapery and vertical blind system
WO1987004057A1 (en) * 1985-12-31 1987-07-16 Leibowitz, Martin, N. Drapery and vertical blind system
US4796684A (en) * 1987-05-26 1989-01-10 Haimovitz Leonard J Compact drapery system
US4846249A (en) * 1988-01-11 1989-07-11 Castec, Inc. Window shade carrier and carrier assembly

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Publication number Publication date
GB1039573A (en) 1966-08-17
DE1165234B (de) 1964-03-12
NL140925B (nl) 1974-01-15
NL296513A (enrdf_load_stackoverflow)
AT249969B (de) 1966-10-25

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