CA2075383A1 - Cushion for anatomical support, especially for the lumbar and cervical regions, to fit onto seat backs - Google Patents

Cushion for anatomical support, especially for the lumbar and cervical regions, to fit onto seat backs

Info

Publication number
CA2075383A1
CA2075383A1 CA2075383A CA2075383A CA2075383A1 CA 2075383 A1 CA2075383 A1 CA 2075383A1 CA 2075383 A CA2075383 A CA 2075383A CA 2075383 A CA2075383 A CA 2075383A CA 2075383 A1 CA2075383 A1 CA 2075383A1
Authority
CA
Canada
Prior art keywords
cushion
lumbar
seat back
scroll
plate
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
CA2075383A
Other languages
French (fr)
Other versions
CA2075383C (en
Inventor
Lorenza Sessini
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
Publication of CA2075383A1 publication Critical patent/CA2075383A1/en
Application granted granted Critical
Publication of CA2075383C publication Critical patent/CA2075383C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/42—Support for the head or the back for the back of detachable or loose type
    • A47C7/425—Supplementary back-rests to be positioned on a back-rest or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/667—Lumbar supports having flexible support member bowed by applied forces
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means
    • A47C7/465—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means by pulling an elastic cable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/663—Lumbar supports portable with attachment to the back-rest
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/666—Lumbar supports vertically adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/667—Lumbar supports having flexible support member bowed by applied forces
    • B60N2/6673—Lumbar supports having flexible support member bowed by applied forces with motor driven adjustments
    • 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
    • Y10S297/00—Chairs and seats
    • Y10S297/06—Hook and loop type fastener
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/29—Rotarily connected, differentially translatable members, e.g., turn-buckle, etc.
    • Y10T403/293—Rotarily connected, differentially translatable members, e.g., turn-buckle, etc. having operating mechanism

Abstract

Cushion (50) for anatomic support, especially of the lumbar and cervical regions, for mounting onto backs (42) of seats (41) generally, made from a curved elastic plate (51) having longitudinal ends connected by a posterior brace formed of a pair (55 60) of rods threaded in the opposite direction that screw into an intermediately placed cylindrical scroll (63) it being thus possible to vary the convexity of said plate (51), and therefore the extent to which the cushion projects from the seat back (42), by turning said scroll (63) in one direction or the other with the fingers or else, when the cushion is placed inside the seat back (42), by means of an external knob (44) connected to the scroll (63) by a bevel gear (66 67) and universal joints (76 78), vertical position of the cushion being determined by a cord (71) fixed to the top and bottom of said plate (51), said cord, having passed over transmission rollers (72), winds onto the drum (73) of a short shaft (74) supported by the seat back (42) and fitted with an external knob (45).
CA002075383A 1990-03-09 1990-04-09 Cushion for anatomical support, especially for the lumbar and cervical regions, to fit onto seat backs Expired - Fee Related CA2075383C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19632A IT1239943B (en) 1990-03-09 1990-03-09 BEARING FOR ANATOMICAL SUPPORT, IN LUMBAR AND CERVICAL SPECIES, FOR SEAT BACKRESTS
IT19632A/90 1990-03-09

Publications (2)

Publication Number Publication Date
CA2075383A1 true CA2075383A1 (en) 1991-09-10
CA2075383C CA2075383C (en) 1998-06-16

Family

ID=11159902

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002075383A Expired - Fee Related CA2075383C (en) 1990-03-09 1990-04-09 Cushion for anatomical support, especially for the lumbar and cervical regions, to fit onto seat backs

Country Status (18)

Country Link
US (1) US5335965A (en)
EP (1) EP0518857B1 (en)
JP (1) JPH0777568B2 (en)
AT (1) ATE94037T1 (en)
AU (1) AU642411B2 (en)
BR (1) BR9008000A (en)
CA (1) CA2075383C (en)
DE (1) DE69003254T2 (en)
DK (1) DK0518857T3 (en)
ES (1) ES2045914T3 (en)
FI (1) FI923725A (en)
HU (1) HU213695B (en)
IT (1) IT1239943B (en)
MC (1) MC2232A1 (en)
NO (1) NO923211L (en)
OA (1) OA09613A (en)
RU (1) RU2060718C1 (en)
WO (1) WO1991013572A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189972B1 (en) 1998-06-05 2001-02-20 Teknion Furniture Systems Inc. Lumbar support adjustment mechanism

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GB2306313A (en) * 1995-10-16 1997-05-07 Bosaro Biotech Inc Adjustable lumbar support
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US6908153B2 (en) 2002-12-02 2005-06-21 L&P Property Management Company Power lumbar support cable apparatus and method
US7052087B2 (en) 2002-12-09 2006-05-30 L&P Property Management Company Method and apparatus for a scissors ergonomic support
US7140680B2 (en) 2003-01-22 2006-11-28 L&P Property Management Company Fold down seat lumbar support apparatus and method
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KR20060033708A (en) * 2003-04-03 2006-04-19 브록크 엠. 워커 Seat with adjustable support system
US20070267912A1 (en) * 2003-12-02 2007-11-22 J. R. Britton & Associates, Inc. Molded Wood Flake Article with Integral Flexible Spring Member
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189972B1 (en) 1998-06-05 2001-02-20 Teknion Furniture Systems Inc. Lumbar support adjustment mechanism
US6260921B1 (en) 1998-06-05 2001-07-17 Teknion Furniture Systems, Inc. Lumbar support adjustment mechanism

Also Published As

Publication number Publication date
IT9019632A1 (en) 1991-09-09
DE69003254T2 (en) 1994-04-21
JPH05504488A (en) 1993-07-15
IT1239943B (en) 1993-11-27
IT9019632A0 (en) 1990-03-09
NO923211D0 (en) 1992-08-17
DK0518857T3 (en) 1994-04-18
FI923725A0 (en) 1992-08-19
JPH0777568B2 (en) 1995-08-23
HU213695B (en) 1997-09-29
EP0518857B1 (en) 1993-09-08
BR9008000A (en) 1993-01-19
HUT63041A (en) 1993-07-28
US5335965A (en) 1994-08-09
MC2232A1 (en) 1993-02-23
NO923211L (en) 1992-08-27
AU5444290A (en) 1991-10-10
AU642411B2 (en) 1993-10-21
ATE94037T1 (en) 1993-09-15
FI923725A (en) 1992-08-19
RU2060718C1 (en) 1996-05-27
EP0518857A1 (en) 1992-12-23
ES2045914T3 (en) 1994-01-16
WO1991013572A1 (en) 1991-09-19
CA2075383C (en) 1998-06-16
OA09613A (en) 1993-04-30
HU9202494D0 (en) 1993-03-01
DE69003254D1 (en) 1993-10-14

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