EP0702523B1 - Dispositif de repose-jambes pour siege ou fauteuil - Google Patents
Dispositif de repose-jambes pour siege ou fauteuil Download PDFInfo
- Publication number
- EP0702523B1 EP0702523B1 EP95916735A EP95916735A EP0702523B1 EP 0702523 B1 EP0702523 B1 EP 0702523B1 EP 95916735 A EP95916735 A EP 95916735A EP 95916735 A EP95916735 A EP 95916735A EP 0702523 B1 EP0702523 B1 EP 0702523B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- cushion
- chair
- leg rest
- articulated
- 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
Links
Images
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
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
Definitions
- the invention relates to a leg rest device for seat or armchair and, in particular, a device for retractable legrest under the seat or chair and which has a cushion length and thickness in service important ensuring the complete and comfortable support of people's legs.
- a legrest device for seat or armchair according to the preamble of claim 1 is described by DE-A-3 718 645 and partially by US-A-2 918 964.
- the cushions are not strictly independent of each other and the kinematics of deployment of these cushions is relatively complex.
- a leg rest device for seat or armchair comprising a set of two cushions, approximately the width of the legrest, which retract one below the other under the seat in out of service position and which deploy forward in continuity between each other and the seat element of the seat or chair in service position, each of the plans of corresponding cushions respectively in vertical section transverse to the front side and the lower side of a triangle articulated at its vertices, the upper vertex being articulated on the front part of the seat or armchair and its side back which consists of a link being connected to a means of translation integral with the seat or armchair, characterized in that the plane of the cushion the lowest, on the lower side of the triangle, is mounted sliding longitudinally on its front joint.
- the rear side of the triangle consists of a connecting rod joining the rear articulation of the cushion plane lower and the triangle support joint, this connecting rod being connected to said integral means of translation of the seat frame, this means of translation by pushing the articulated triangle creating a general rotational movement of the articulated triangle which flattens at first thanks to at the sliding of its front joint, and then turns forward in a flat service layout where the cushions are continuous from each other and according to a angular orientation adjustable as desired under the control of said means of translation, and vice versa by traction.
- leg rest arrangement with an articulated triangle, suspended from the front part seat or armchair fitted with a sliding option transverse of the lower cushion relative to the second cushion close to the seat until bringing it in continuity with plane relative to it, to an angular orientation of small angle relatively to the vertical, then a possibility of rotation of legrest, two cushions simultaneously, according to a variable and adjustable angle according to the position desired by the supported person.
- the legrest according to the invention comprises two lateral fittings parallel to plate shape on each side of the element seat supporting the support surface of the upper cushion, two parallel slide elements connected to the support plane of the lower cushion, the two lateral fittings being mounted articulated to the front part of the seat or wheelchair their upper end, and connected to each of slides at their lower end, and at least one connecting rod connected to said slides and said fittings and forming the rear side of the articulated triangle.
- the link can be connected by its upper end to an upper tab secured to the support surface of the upper cushion.
- the legrest device according to the invention comprises a set of two parallel lateral fittings 1, articulated at their upper end to the front of the element seat 3 of the fitted seat or armchair 5 and a set of parallel lateral slides 7, each adjacent to a fitting, and hinged and sliding mounted at the end lower fittings.
- the fittings are arranged on the side and other of the seat element 3 of the chair, being each articulated in a lateral vertical plane of the armchair.
- the plan of articulation and sliding of backstage is the same as the fittings, namely vertical and in line with each of the fittings.
- the fittings are identical to each other and consist into a plate of substantially triangular shape and the vertex A of the triangle at the back is under the seat element 3 or seat cushion of the seat or chair.
- These fittings are rigidly connected to a transverse plate 9 support a first cushion 11 or upper cushion of the legrest ( Figures 3-6).
- This plate is rectangular, substantially the width of the cushion it receives. This one is mounted with the plate embedded in it.
- Behind the scenes 7 are also connected to a plate 13 supporting a second cushion 15 or lower cushion mounted adjacent to the first.
- This plate is also rectangular, of the same width that the associated cushion and this one is mounted with the plate drowned in its bosom.
- the width of the two cushions in the longitudinal plane of the seat or chair) is substantially equal to the half length of the legrest in service (figure 5 and 6).
- a rear link 17 connects the set of slides 7 to the game fittings 1.
- This connecting rod is hinged to the part behind the backstage, in its median plane and at level of the crown part A of the set of fittings also in its median plane.
- This rod is therefore in travel in a median vertical plane of the seat or chair, being hinged rise to a rear lower leg 19 integral of plate 13 of the set of slides and to a leg upper 21 secured to the plate 9 of the set of fittings.
- the kinematic assembly constituted is therefore analogous to a articulated triangle in section, mounted suspended from the part front of the seat element 3.
- a rear rod 23 arranged under the seat element is articulated connection to the link 17.
- This rod is driven in translation, in pushing or in arrow traction, by a driving element, such as a screw jack, mounted integral with the seat or chair frame.
- the legrest is in the retracted position under the seat or chair, folded in the free space under the seat element 3 and between the side uprights, not shown, of the frame or seat frame or armchair.
- the upper cushion 11 is arranged with its front face in position substantially vertical.
- the lower cushion 15 is fully retracted backwards, its upper side touching the cushion upper and its front edge is an extension vertical of the front face of the upper cushion. He is at short distance from the ground.
- a first deployment phase ( Figure 4) of the legrest corresponding to a push of the rod 23, according to arrow, the lower cushion 15 is moved alone towards the front in a substantially horizontal and low position distance from the ground, the set of slides 7 translating on full length of runner available at their point of lower articulation on the fittings.
- the articulated triangle flattens gradually so that the cushions 11 and 15 come as an extension of one another according to the same plan at a angle of about 40 ° from the vertical ( Figure 5).
- the connecting rod 17 rear linkage in this position blocks the planes cushion supports in the same plane (by pressing the planes in abutment thereon).
- the seat element of the seat or chair can be mobile, with a slight movement amplitude, translation or angular orientation, accompanying the movement of the legrest for comfort optimal leg support.
- the kinematics described works perfectly.
- the legrest can still be mounted articulated by its fittings 1 to the uprights side of the seat or chair support frame, for example to its side armrest elements.
- the cushions can be of a relatively large thickness, without the kinematics articulated triangle is prevented. This ensures a good leg support comfort (without pressure point).
- the cushion 11 can be connected to a spring rear secured to the seat or armchair frame and the recalling in vertical orientation.
- This spring in retaining the cushion promotes the sliding of the cushion 15 to prevent the two cushions from being raised en bloc without prior sliding of the lower cushion and similarly the return to the retracted position of the cushions in ensuring a positive action on the sliding of the cushion lower than the lower limit of the orientation of service.
- the front end of the sliding cushion lower can be provided with a buffer intended to come in contact with the ground to favor the sliding of this cushion during this movement and vice versa upon its return in the retracted position.
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Passenger Equipment (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Special Chairs (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9404316A FR2718336B1 (fr) | 1994-04-12 | 1994-04-12 | Dispositif de repose-jambres pour siège ou fauteuil. |
FR9404316 | 1994-04-12 | ||
PCT/FR1995/000459 WO1995027422A1 (fr) | 1994-04-12 | 1995-04-11 | Dispositif de repose-jambes pour siege ou fauteuil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0702523A1 EP0702523A1 (fr) | 1996-03-27 |
EP0702523B1 true EP0702523B1 (fr) | 1998-02-25 |
Family
ID=9462004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95916735A Expired - Lifetime EP0702523B1 (fr) | 1994-04-12 | 1995-04-11 | Dispositif de repose-jambes pour siege ou fauteuil |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0702523B1 (es) |
JP (1) | JPH08511462A (es) |
AT (1) | ATE163350T1 (es) |
AU (1) | AU2311695A (es) |
CA (1) | CA2163974A1 (es) |
DE (1) | DE69501649T2 (es) |
DK (1) | DK0702523T3 (es) |
ES (1) | ES2113744T3 (es) |
FR (1) | FR2718336B1 (es) |
WO (1) | WO1995027422A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2800590B1 (fr) | 1999-11-05 | 2001-12-28 | Roger Prieur | Repose-jambes escamotable pour siege |
GB0106764D0 (en) * | 2001-03-19 | 2001-05-09 | Sheinfeld Oded | A reclining chair having a footrest and clamping device |
JP6420814B2 (ja) * | 2016-12-15 | 2018-11-07 | 株式会社ホンダアクセス | 足載せクッション |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2918964A (en) * | 1956-07-31 | 1959-12-29 | Braun Francois | Leg-rest for a seat |
US4678229A (en) * | 1986-03-25 | 1987-07-07 | Henry Dreyfuss Associates | Reclining chair |
DE3718645C2 (de) * | 1986-08-22 | 1996-07-11 | Appeltshauser Georg Dipl Ing F | Sitzmöbel |
-
1994
- 1994-04-12 FR FR9404316A patent/FR2718336B1/fr not_active Expired - Fee Related
-
1995
- 1995-04-11 AU AU23116/95A patent/AU2311695A/en not_active Abandoned
- 1995-04-11 ES ES95916735T patent/ES2113744T3/es not_active Expired - Lifetime
- 1995-04-11 DK DK95916735.4T patent/DK0702523T3/da active
- 1995-04-11 WO PCT/FR1995/000459 patent/WO1995027422A1/fr active IP Right Grant
- 1995-04-11 CA CA002163974A patent/CA2163974A1/fr not_active Abandoned
- 1995-04-11 EP EP95916735A patent/EP0702523B1/fr not_active Expired - Lifetime
- 1995-04-11 DE DE69501649T patent/DE69501649T2/de not_active Expired - Fee Related
- 1995-04-11 JP JP7526131A patent/JPH08511462A/ja active Pending
- 1995-04-11 AT AT95916735T patent/ATE163350T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE69501649T2 (de) | 1998-07-16 |
DK0702523T3 (da) | 1998-03-30 |
DE69501649D1 (de) | 1998-04-02 |
ATE163350T1 (de) | 1998-03-15 |
FR2718336B1 (fr) | 1996-06-28 |
AU2311695A (en) | 1995-10-30 |
CA2163974A1 (fr) | 1995-10-19 |
JPH08511462A (ja) | 1996-12-03 |
WO1995027422A1 (fr) | 1995-10-19 |
FR2718336A1 (fr) | 1995-10-13 |
ES2113744T3 (es) | 1998-05-01 |
EP0702523A1 (fr) | 1996-03-27 |
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