EP2005859B1 - Dispositif de réglage de la position horizontale de l'assise d'un siège - Google Patents

Dispositif de réglage de la position horizontale de l'assise d'un siège Download PDF

Info

Publication number
EP2005859B1
EP2005859B1 EP07360028A EP07360028A EP2005859B1 EP 2005859 B1 EP2005859 B1 EP 2005859B1 EP 07360028 A EP07360028 A EP 07360028A EP 07360028 A EP07360028 A EP 07360028A EP 2005859 B1 EP2005859 B1 EP 2005859B1
Authority
EP
European Patent Office
Prior art keywords
rod
seat
shell
support
seat including
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.)
Not-in-force
Application number
EP07360028A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2005859A1 (fr
Inventor
Etienne Girardin
Jean-Antoine Krommenaker
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.)
Steelcase SA
Original Assignee
Steelcase SA
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 Steelcase SA filed Critical Steelcase SA
Priority to ES07360028T priority Critical patent/ES2355383T3/es
Priority to EP07360028A priority patent/EP2005859B1/fr
Priority to AT07360028T priority patent/ATE485741T1/de
Priority to DE602007010117T priority patent/DE602007010117D1/de
Publication of EP2005859A1 publication Critical patent/EP2005859A1/fr
Application granted granted Critical
Publication of EP2005859B1 publication Critical patent/EP2005859B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts

Definitions

  • the present invention relates to a seat with a device for adjusting the horizontal position of the seat relative to the support of said seat surmounting the foot of the seat.
  • a device for adjusting the depth of the seat of a seat is also called a device for adjusting the depth of the seat of a seat.
  • the device seat of the invention therefore functions very simply as follows: when the user actuates the control means of the rotation of the rod, it releases the bars or bars integral with the support that it blocked until here, making it possible to slide the seat shell relative to said support. This sliding can for example be performed by the user when seated, exerting with his body an action forward or back of the seat while maintaining the control means actuated.
  • the latter may for example consist of a rod oriented substantially perpendicular to the rack rod, a first end of which is connected to the rod by a rotationally connected connection axis parallel to and offset from said rod, and whose second end is mounted a control member adapted to move in a rectilinear movement to rotate the rod.
  • control member when the control member is actuated, it moves the rod so as to exert traction on the offset rotary connection, thereby causing the rotation of the rod supporting the rack.
  • the first end of the rod may be provided with a ball pivotable between two parallel tabs projecting radially from the rod and provided with housings facing to accommodate the ball.
  • the ball is mainly used to make a rotational connection, even if the additional degrees of freedom it offers are useful for example to make up dimensional differences. More generally, the use of a ball makes it possible to overcome the need for a high dimensional accuracy at the time of production of the parts, a precision which would obviously have a significant cost.
  • control member may consist of a rotary push lever with an axis parallel to that of the rack rod, said push rod having a projection whose free end comprises two parallel cheeks provided with housings. facing to accommodate a ball equipping the second end of the rod.
  • the rotation of the pusher which consists of a surface on which the thrust of the user is exerted, is retransmitted to the protrusion and at its end, driving the rod away from the rotating rod, and to rotate the latter due to the offset that the first ball joint.
  • the return means may consist of a torsion spring wound around the rod.
  • return means at the stem makes it possible to dispense with the use of additional return means at the control member.
  • the push handle is itself recalled in its rest position, ready to receive a new thrust of the from the user to unlock the seat relative to the support and the foot of the seat.
  • the rack covers only one end portion of the rod, in order to block a single bar.
  • the sliding displacement of said bar is therefore carried out in a race that covers the maximum length of the rack.
  • the support comprises two parallel sliding bars whose ends slide in a direction perpendicular to the axis of the bars, in sliders of the shell disposed on either side and parallel to the rod.
  • the shell (1) supporting the seat comprises a rod (2), one end of which has a rack (3) provided with a series of notches (4).
  • This rod (2) is rotatably mounted in guides (5) protruding from the surface of the shell (1),
  • a notch (4) of the rack (3) blocks a bar (6) whose ends can slide in slides (7, 7 ') formed in the shell (1).
  • This bar (6) is integral with the support, for example shown in FIG. figure 4 , support to which is mounted the foot of the seat (not shown).
  • This support also comprises a second bar (6 ') also able to slide in the slideways (7, 7'), but on which there is no locking means of the rack type (3).
  • a torsion spring (8) recalls the rod (2) in the position shown in figure 1 , resulting in the locking of the seat on the support (9).
  • the rotation control means of the rod (2) consist of a rod (10) whose end is rotatably mounted between lugs (11, 11 ') integral with the rod (2) and which, actuated by the lever to pusher (12), allows to cause the rotation of said rod (2).
  • FIG. 2 This figure shows the upper surface of the shell (1) surface in principle covered with a quilting giving comfort to the seat.
  • the padding is not shown, and the rod (10) therefore appears with its connection to the push handle (12). It pivots substantially at the edge (13) of the shell (1) (see figure 3 ), causing a protrusion (14) at the end of which is connected the rod (10).
  • This protuberance (14) comprises two upper cheeks (15, 15 ') provided with facing housings in which the ball-shaped end (16) of the rod (10) can be clipped.
  • the handle (12) is pivoted upwards, with reference to the figure 2
  • the upper end of the protuberance (14) drives the rod (10) in a substantially rectilinear movement away from the rod (2), causing the tabs (11, 11 ') to pivot, and hence the rod ( 2).
  • the link between the rod (10) and the tabs (11, 11 ') is also made by means of a ball joint (17) housed in two facing housings formed in these tabs (11, 11'), like this appears in figure 3 .

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)
  • Chairs Characterized By Structure (AREA)
  • Helmets And Other Head Coverings (AREA)
EP07360028A 2007-06-20 2007-06-20 Dispositif de réglage de la position horizontale de l'assise d'un siège Not-in-force EP2005859B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES07360028T ES2355383T3 (es) 2007-06-20 2007-06-20 Dispositivo de regulación de la posición horizontal de la parte de asiento de un asiento.
EP07360028A EP2005859B1 (fr) 2007-06-20 2007-06-20 Dispositif de réglage de la position horizontale de l'assise d'un siège
AT07360028T ATE485741T1 (de) 2007-06-20 2007-06-20 Vorrichtung zur regulierung der horizontalen position der sitzfläche eines stuhls
DE602007010117T DE602007010117D1 (de) 2007-06-20 2007-06-20 Vorrichtung zur Regulierung der horizontalen Position der Sitzfläche eines Stuhls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07360028A EP2005859B1 (fr) 2007-06-20 2007-06-20 Dispositif de réglage de la position horizontale de l'assise d'un siège

Publications (2)

Publication Number Publication Date
EP2005859A1 EP2005859A1 (fr) 2008-12-24
EP2005859B1 true EP2005859B1 (fr) 2010-10-27

Family

ID=38668738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07360028A Not-in-force EP2005859B1 (fr) 2007-06-20 2007-06-20 Dispositif de réglage de la position horizontale de l'assise d'un siège

Country Status (4)

Country Link
EP (1) EP2005859B1 (es)
AT (1) ATE485741T1 (es)
DE (1) DE602007010117D1 (es)
ES (1) ES2355383T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8991921B2 (en) 2012-07-20 2015-03-31 Steelcase Inc. Seating unit with seat position and depth adjustment assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL257000A (es) * 1959-10-20
US3714843A (en) * 1971-06-15 1973-02-06 R Bracey Adjustable latching mechanism
US5884887A (en) * 1997-02-05 1999-03-23 Garelick Mfg. Co. Lock for slide adjustment of boat seat or table top

Also Published As

Publication number Publication date
EP2005859A1 (fr) 2008-12-24
DE602007010117D1 (de) 2010-12-09
ATE485741T1 (de) 2010-11-15
ES2355383T3 (es) 2011-03-25

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