CA2022679A1 - Lardosis-support backrest for a vehicle seat - Google Patents

Lardosis-support backrest for a vehicle seat

Info

Publication number
CA2022679A1
CA2022679A1 CA2022679A CA2022679A CA2022679A1 CA 2022679 A1 CA2022679 A1 CA 2022679A1 CA 2022679 A CA2022679 A CA 2022679A CA 2022679 A CA2022679 A CA 2022679A CA 2022679 A1 CA2022679 A1 CA 2022679A1
Authority
CA
Canada
Prior art keywords
pressure element
wires
backrest
lardosis
vehicle seat
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
CA2022679A
Other languages
French (fr)
Other versions
CA2022679C (en
Inventor
Wilhelm Schuster
Wilhelm Schuster, Jr.
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25597083&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2022679(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2022679A1 publication Critical patent/CA2022679A1/en
Application granted granted Critical
Publication of CA2022679C publication Critical patent/CA2022679C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D3/00—Lasts
    • A43D3/14—Stretching or spreading lasts; Boot-trees; Fillers; Devices for maintaining the shape of the shoe
    • A43D3/1433—Shoe-trees
    • 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
    • B60N2/64—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
    • B60N2/6671—Lumbar supports having flexible support member bowed by applied forces with cable actuators
    • 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

Abstract

ABSTRACT OF THE DISCLOSURE

A lordosis-support backrest for an automotive vehicle has a pressure element mounted upon vertical wires affixed to the frame of the backrest and guided along these wires. A
transmission on the wires driving a rack on the pressure element displaces the pressure element along the wires while a similar transmission affixed to the pressure element at an upper portion thereof has its rack connected by a rocker lever and links to upper and lower portion of the pressure element to control the degree of bulging of the pressure element. The transmissions are driven by flexible shafts connected to respective motors mounted at spaced locations on the frame.
CA002022679A 1989-08-04 1990-08-03 Lardosis-support backrest for a vehicle seat Expired - Lifetime CA2022679C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA1882/89 1989-08-04
AT0188289A AT394829B (en) 1989-08-04 1989-08-04 BACKREST FOR A VEHICLE SEAT, WITH AN ADJUSTABLE LUMBAR REST
AT0213389A AT396734B (en) 1989-08-04 1989-09-12 Curving mechanism

Publications (2)

Publication Number Publication Date
CA2022679A1 true CA2022679A1 (en) 1991-02-05
CA2022679C CA2022679C (en) 1992-11-17

Family

ID=25597083

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002022679A Expired - Lifetime CA2022679C (en) 1989-08-04 1990-08-03 Lardosis-support backrest for a vehicle seat
CA002059537A Expired - Lifetime CA2059537C (en) 1989-08-04 1990-08-06 Arching mechanism

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002059537A Expired - Lifetime CA2059537C (en) 1989-08-04 1990-08-06 Arching mechanism

Country Status (26)

Country Link
US (11) US5050930A (en)
EP (1) EP0485483B1 (en)
JP (1) JP2833629B2 (en)
KR (1) KR100263461B1 (en)
CN (1) CN1043008C (en)
AR (1) AR244605A1 (en)
AT (3) AT394829B (en)
AU (1) AU645987B2 (en)
BR (1) BR9007576A (en)
CA (2) CA2022679C (en)
CZ (1) CZ442690A3 (en)
DE (1) DE59004448D1 (en)
DK (1) DK0485483T3 (en)
ES (1) ES2050450T3 (en)
FI (1) FI92900C (en)
GR (1) GR1001390B (en)
HU (1) HUT63756A (en)
IE (1) IE903270A1 (en)
IL (1) IL95653A (en)
MT (1) MTP1065B (en)
NO (1) NO920439L (en)
NZ (1) NZ235273A (en)
PL (1) PL286833A1 (en)
PT (1) PT95280A (en)
WO (1) WO1991001666A1 (en)
ZA (1) ZA907227B (en)

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* Cited by examiner, † Cited by third party
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ZA907227B (en) 1991-07-31
HU9200322D0 (en) 1992-05-28
US6666511B2 (en) 2003-12-23
FI92900C (en) 1995-01-25
GR1001390B (en) 1993-10-29
US5050930A (en) 1991-09-24
HUT63756A (en) 1993-10-28
AT394829B (en) 1992-06-25
IL95653A (en) 1995-05-26
MTP1065B (en) 1991-06-30
KR920702962A (en) 1992-12-17
US5397164A (en) 1995-03-14
FI920471A0 (en) 1992-02-04
US7083231B2 (en) 2006-08-01
CZ442690A3 (en) 1994-05-18
DK0485483T3 (en) 1994-11-07
ATA188289A (en) 1991-12-15
NO920439D0 (en) 1992-02-03
WO1991001666A1 (en) 1991-02-21
EP0485483A1 (en) 1992-05-20
US6003941A (en) 1999-12-21
US20050040687A1 (en) 2005-02-24
US5775773A (en) 1998-07-07
US5498063A (en) 1996-03-12
JPH04504075A (en) 1992-07-23
US20040066071A1 (en) 2004-04-08
BR9007576A (en) 1992-06-30
AT396734B (en) 1993-11-25
NZ235273A (en) 1993-04-28
IE903270A1 (en) 1991-03-27
AR244605A1 (en) 1993-11-30
FI92900B (en) 1994-10-14
CA2022679C (en) 1992-11-17
KR100263461B1 (en) 2000-08-01
GR900100678A (en) 1992-01-20
US6536840B1 (en) 2003-03-25
CN1043008C (en) 1999-04-21
ATE100685T1 (en) 1994-02-15
PL286833A1 (en) 1991-05-20
US5626390A (en) 1997-05-06
AU6168690A (en) 1991-03-11
DE59004448D1 (en) 1994-03-10
ATA213389A (en) 1993-04-15
ES2050450T3 (en) 1994-05-16
PT95280A (en) 1992-04-30
US20020195865A1 (en) 2002-12-26
IL95653A0 (en) 1991-06-30
JP2833629B2 (en) 1998-12-09
EP0485483B1 (en) 1994-01-26
CN1051664A (en) 1991-05-29
AU645987B2 (en) 1994-02-03
CA2059537A1 (en) 1991-02-05
US6254187B1 (en) 2001-07-03
NO920439L (en) 1992-02-03
US6860559B2 (en) 2005-03-01
CA2059537C (en) 2000-10-03

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