US3773383A - Readjustable chair - Google Patents

Readjustable chair Download PDF

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Publication number
US3773383A
US3773383A US00193430A US3773383DA US3773383A US 3773383 A US3773383 A US 3773383A US 00193430 A US00193430 A US 00193430A US 3773383D A US3773383D A US 3773383DA US 3773383 A US3773383 A US 3773383A
Authority
US
United States
Prior art keywords
seat
supports
chair
leg
shoes
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.)
Expired - Lifetime
Application number
US00193430A
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English (en)
Inventor
J Ekornes
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.)
J E EKORNES AS
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
Application granted granted Critical
Publication of US3773383A publication Critical patent/US3773383A/en
Assigned to J.E. EKORNES A/S reassignment J.E. EKORNES A/S CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: J. E. EKORNES FABRIKKER A/S
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/0325—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of clamps or friction locking members
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs

Definitions

  • 297/320 297/342 are hinge each her, and s"Ppmed I 51 1 int Cl. l r U032 on a leg subframe work such that the mutual angular 58 Field o1a;;i..I.II...........II..I 257/542 320 317 the and back my be altered- 297/343 5 idly fixed supports are provided on each side of the chair, raising from the leg subframe work, and which The back of the chair is pivoted [56] References Cited can carry arm rests to the back support.
  • the invention aims at providing a readjustable chair of unusual simple construction which is easy to adjust and by its way of construction does not contain any details which make wedging' possible.
  • a chair according to the previous mentioned is designed such that the seat by slidable and fixable slide shoes along the frontmost of the said supports, may be fixed to these supports.
  • FIG. 1 shows an initial embodyment of a chair according to the invention, in an almost stretched position respectively in a position with a rected back.
  • FIG. 2 shows a somewhat modified version in' the same two positions as mentioned in FIG. 1.
  • 1 indicates the frame upon which the cushion for the back rests and 2 the frame upon which the cushion for the seat rests.
  • the cushion may, if desired, be designed as one cushion or be detachable, separate cushions.
  • the two frames 1 and 2 are hinge connected to each other by trunnions 3 and may thus adopt varying angular positions with regard to each other.
  • Upright supports 4a, 4b, which at the upper end pass into arm rests 4c, are arranged on each side from a suitable leg subframe work, in the shown case a base plate 8 an upright column 7 from the said base plate. Additional arm rest cushions or similar may be fixed to the part 40, if desired.
  • the frame 2 for the seat is connected to the front,
  • the movable parts of the chair may swing about the suspension 5, as the slide shoes 6 then slide along the tilted, upward going supports 4a.
  • the wheel for the slide shoe is taken up, and the chair is then secured in the required position.
  • the slide shoe with attached fixing lock wheel will move along the tilted supports 4a and consequently have variable distance from the arm rest 40.
  • the chair may be arranged as indicated in FIG. 2, if it is preferred that this distance does not vary, which may be practical since the arms usually rest more or less against the arm rests 4c.
  • 6a indicates a moveable slide shoe
  • 6b indicates a stationary slide shoe equipped with a lock wheel, since it here is provided a guide by means of a tube 9 fixed to the upper slide shoe
  • a chair according to claim 1 wherein said slide shoes and means for securing and releasing the same along said front support comprise means for varying friction between said front supports and said shoes and for locking said supports and said shoes in fixed relation.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
US00193430A 1970-10-29 1971-10-28 Readjustable chair Expired - Lifetime US3773383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO4125/70A NO125836B (no) 1970-10-29 1970-10-29

Publications (1)

Publication Number Publication Date
US3773383A true US3773383A (en) 1973-11-20

Family

ID=19880088

Family Applications (1)

Application Number Title Priority Date Filing Date
US00193430A Expired - Lifetime US3773383A (en) 1970-10-29 1971-10-28 Readjustable chair

Country Status (8)

Country Link
US (1) US3773383A (no)
BE (1) BE774713A (no)
DE (1) DE2153417C3 (no)
DK (1) DK127709B (no)
GB (1) GB1337058A (no)
NL (1) NL174699C (no)
NO (1) NO125836B (no)
SE (1) SE363467B (no)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870365A (en) * 1973-11-20 1975-03-11 Odd Knutsen Chair or analogous article of furniture
US3934932A (en) * 1971-10-28 1976-01-27 J.E. Ekornes Fabrikker A/S Adjustable chair
US3947069A (en) * 1973-01-24 1976-03-30 Ferdinand Lusch Adjustable deck-chair
US4768829A (en) * 1984-01-27 1988-09-06 Plycraft Inc. Adjustable chair
WO1989003648A1 (en) * 1987-10-19 1989-05-05 J.E. Ekornes A/S Arrangement in an adjustable chair
US4971394A (en) * 1984-09-24 1990-11-20 Telescope Casual Furniture Company Swivel rocker chair
US5211444A (en) * 1988-09-09 1993-05-18 Ab Bd Produkt Oy Locking mechanism for a foldable piece of seating furniture
US5902220A (en) * 1998-03-30 1999-05-11 Lin; Chen-Da Reclining chair with exercising function
US6488332B1 (en) 1997-10-21 2002-12-03 Interco Gesellschaft Fur Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Traveling seat
US6827401B2 (en) 2001-10-17 2004-12-07 La-Z-Boy Incorporated Leaf spring rocker mechanism for a reclining chair
US6913316B2 (en) * 2000-10-16 2005-07-05 Kokuyo Co., Ltd. Chair
US20090195040A1 (en) * 2005-08-25 2009-08-06 Hilary Rolf Birkbeck Variable configuration seating
US8534758B2 (en) 2010-09-13 2013-09-17 Tropitone Furniture Co., Inc. Reclinable seating apparatus and method
USD707995S1 (en) 2012-05-23 2014-07-01 Hni Technologies Inc. Chair
US9198514B2 (en) 2012-05-23 2015-12-01 Hni Technologies Inc. Chair with pivot function and method of making
US9717340B2 (en) 2010-09-13 2017-08-01 Tropitone Furniture Co., Inc. Adjustable seating and furniture
US11166553B2 (en) * 2019-06-05 2021-11-09 Davis Furniture Industries, Inc. Tilting chair
US20220378208A1 (en) * 2019-06-17 2022-12-01 Quali Co., Ltd. Tilt chair

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1455009A (en) * 1972-12-22 1976-11-10 Sirot R A Adjustable seats particularly for use in aircraft
DE2332596C3 (de) * 1973-06-27 1985-10-03 Christof Stoll Gmbh & Co Kg, 7890 Waldshut Sitzmöbel
DE3103752A1 (de) * 1981-02-04 1982-09-02 Kurt J. 6680 Neunkirchen Kuhn "neigungsverstellbarer buerosessel"
US5209549A (en) * 1991-05-28 1993-05-11 Chang I Shan Adjustable rotation chair
GB2312832B (en) * 1996-05-08 1999-06-23 Peter Rebbettes Variable geometry chair
US6050642A (en) * 1996-05-13 2000-04-18 Erb; Scott C. Multi-direction reclining and stretching chair
SE9602182D0 (sv) 1996-06-03 1996-06-03 Leif Andersson Inställningsanordning

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US809944A (en) * 1904-02-01 1906-01-16 James E Hanger Chair.
US2400588A (en) * 1943-11-19 1946-05-21 Reconstruction Finance Corp Seat
US2617471A (en) * 1946-04-19 1952-11-11 Lorenz Anton Reclining article of furniture
US3137527A (en) * 1963-05-27 1964-06-16 American Seating Co Auditorium chair
US3337266A (en) * 1966-02-01 1967-08-22 Belvedere Products Inc Compensating back chair

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US809944A (en) * 1904-02-01 1906-01-16 James E Hanger Chair.
US2400588A (en) * 1943-11-19 1946-05-21 Reconstruction Finance Corp Seat
US2617471A (en) * 1946-04-19 1952-11-11 Lorenz Anton Reclining article of furniture
US3137527A (en) * 1963-05-27 1964-06-16 American Seating Co Auditorium chair
US3337266A (en) * 1966-02-01 1967-08-22 Belvedere Products Inc Compensating back chair

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934932A (en) * 1971-10-28 1976-01-27 J.E. Ekornes Fabrikker A/S Adjustable chair
US3947069A (en) * 1973-01-24 1976-03-30 Ferdinand Lusch Adjustable deck-chair
US3870365A (en) * 1973-11-20 1975-03-11 Odd Knutsen Chair or analogous article of furniture
US4768829A (en) * 1984-01-27 1988-09-06 Plycraft Inc. Adjustable chair
US4971394A (en) * 1984-09-24 1990-11-20 Telescope Casual Furniture Company Swivel rocker chair
GB2230943A (en) * 1987-10-19 1990-11-07 Ekornes Fabrikker As J E Arrangement in an adjustable chair
WO1989003648A1 (en) * 1987-10-19 1989-05-05 J.E. Ekornes A/S Arrangement in an adjustable chair
AU606477B2 (en) * 1987-10-19 1991-02-07 J.E. Ekornes A/S Arrangement in an adjustable chair
GB2230943B (en) * 1987-10-19 1992-04-08 Ekornes Fabrikker As J E Arrangement in an adjustable chair
US5211444A (en) * 1988-09-09 1993-05-18 Ab Bd Produkt Oy Locking mechanism for a foldable piece of seating furniture
US6488332B1 (en) 1997-10-21 2002-12-03 Interco Gesellschaft Fur Die Planung Und Den Vertrieb Von Reha Hilfen Mbh Traveling seat
US5902220A (en) * 1998-03-30 1999-05-11 Lin; Chen-Da Reclining chair with exercising function
US6913316B2 (en) * 2000-10-16 2005-07-05 Kokuyo Co., Ltd. Chair
US6827401B2 (en) 2001-10-17 2004-12-07 La-Z-Boy Incorporated Leaf spring rocker mechanism for a reclining chair
US20090195040A1 (en) * 2005-08-25 2009-08-06 Hilary Rolf Birkbeck Variable configuration seating
US9717340B2 (en) 2010-09-13 2017-08-01 Tropitone Furniture Co., Inc. Adjustable seating and furniture
US8690247B2 (en) 2010-09-13 2014-04-08 Tropitone Furniture Co., Inc. Reclinable seating apparatus and method
US9084488B2 (en) 2010-09-13 2015-07-21 Tropitone Furniture Co., Inc. Reclinable seating apparatus and method
US9226581B2 (en) 2010-09-13 2016-01-05 Tropitone Furniture Co., Inc. Reclinable seating apparatus and method
US8534758B2 (en) 2010-09-13 2013-09-17 Tropitone Furniture Co., Inc. Reclinable seating apparatus and method
US9743772B2 (en) 2010-09-13 2017-08-29 Tropitone Furniture Co., Inc. Adjustable seating and furniture
USD707995S1 (en) 2012-05-23 2014-07-01 Hni Technologies Inc. Chair
US9198514B2 (en) 2012-05-23 2015-12-01 Hni Technologies Inc. Chair with pivot function and method of making
US9743773B2 (en) 2012-05-23 2017-08-29 Hni Technologies, Inc. Method of making a chair with pivot function
US10448742B2 (en) 2012-05-23 2019-10-22 Hni Technologies Inc. Chair with pivot function
US11166553B2 (en) * 2019-06-05 2021-11-09 Davis Furniture Industries, Inc. Tilting chair
US20220378208A1 (en) * 2019-06-17 2022-12-01 Quali Co., Ltd. Tilt chair
US12089741B2 (en) * 2019-06-17 2024-09-17 Quali Co., Ltd. Tiltable chair

Also Published As

Publication number Publication date
BE774713A (fr) 1972-05-02
SE363467B (no) 1974-01-21
DE2153417C3 (de) 1981-01-15
NL174699B (nl) 1984-03-01
DE2153417A1 (de) 1972-05-04
NO125836B (no) 1972-11-13
DK127709B (da) 1973-12-24
DE2153417B2 (de) 1980-04-30
NL7114891A (no) 1972-05-03
GB1337058A (en) 1973-11-14
NL174699C (nl) 1984-08-01

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Legal Events

Date Code Title Description
STCF Information on status: patent grant

Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES)

PS Patent suit(s) filed
AS Assignment

Owner name: J.E. EKORNES A/S

Free format text: CHANGE OF NAME;ASSIGNOR:J. E. EKORNES FABRIKKER A/S;REEL/FRAME:004623/0400

Effective date: 19861009