WO2017219102A1 - Structural arrangement for a stool-like, two-part ergonomic seat - Google Patents

Structural arrangement for a stool-like, two-part ergonomic seat Download PDF

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Publication number
WO2017219102A1
WO2017219102A1 PCT/BR2016/050183 BR2016050183W WO2017219102A1 WO 2017219102 A1 WO2017219102 A1 WO 2017219102A1 BR 2016050183 W BR2016050183 W BR 2016050183W WO 2017219102 A1 WO2017219102 A1 WO 2017219102A1
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WO
WIPO (PCT)
Prior art keywords
seat
backrest
split
ergonomic
stool
Prior art date
Application number
PCT/BR2016/050183
Other languages
French (fr)
Portuguese (pt)
Inventor
Marcos Ricardo COSTI
Original Assignee
Costi Marcos Ricardo
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 Costi Marcos Ricardo filed Critical Costi Marcos Ricardo
Publication of WO2017219102A1 publication Critical patent/WO2017219102A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • 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
    • A47C7/02—Seat parts
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • 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
    • 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
    • A47C7/405—Support for the head or the back for the back with double backrests
    • 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
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • 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
    • A47C7/402—Support for the head or the back for the back adjustable in height
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects

Definitions

  • the present Utility Model patent refers to a new constructive arrangement in a two-piece ergonomic owl seat, widely used by doctors, dentists and other healthcare professionals, as it provides greater postural comfort for long stays through its ergonomics, which causes less pressure to occur on the last vertebrae of the spine.
  • the object features two-part construction of the seat and back, with individual bilateral adjustments.
  • the individual seat adjustments and positioning of the backrest offer the best fit for long-term use.
  • the present object was developed from the difficulties present in previous models, especially regarding the lack of adequate support to the lumbar spine, since this seat is widely used in the medical field, for example, in surgeries. , where the length of stay is high.
  • the seat presented includes rear support, with split construction in order to properly accommodate the lateral muscles of the lumbar spine.
  • this split seat contains height and horizontal distance adjustment between its parts.
  • the side adjustment of the split backrest enables adjustments for smaller and larger users to allow adjustment lateral muscle support to the lumbar spine as needed.
  • the device also gives the user easy and convenient adjustment and maintenance, also giving the manufacturer ease of manufacture. Benefits:
  • FIG. 01 - presents the perspective of the seat
  • FIG. 02 - presents the exploded perspective of the backrest
  • FIG. 03 - presents the side view of the seat
  • FIG. 04 - presents the back detail of the back showing the upper and lower adjustment of the same
  • FIG. 05 - presents the back detail of the back showing the lateral adjustment of the same
  • FIG. 06 - shows the detail showing the lower seat spring the backrest fixing.
  • the object of the present invention is composed of the split seat (1) fitted to the frame (2), provided with compressed air piston height adjustment (4), over the base (3), operated by lever (5).
  • the frame (2) is provided with an eccentric spring (6) with friction brake bushing at the center of the seat platform.
  • the backrest (7) is composed of the central guide (8) from which the fixing base (9) is provided with holes (10) for fixing the fixing screws to the frame (2), superior to the rod of the eccentric spring (6).
  • the presence of the eccentric spring (6) allows the angular adjustment of the split seat (1) according to each user, and according to the movements when sitting and changing position in the seat.
  • central guide (8) contains the bilateral extension (11) from which comes the left and right split upholstered backrest (12), equipped with ratchet height and distance adjustment mechanism (13), allowing to approach or spreading the parts of the split upholstered backrest (12) by means of an automatic, freely sliding ratchet mechanism.
  • the height adjustment of the split upholstered backrest (12) is provided by the height and distance adjustment mechanism by ratchet (13) with internal ratchet (14), which in turn enables vertical movement. of the manually operated split backrest (12) through the rail (15) on the back of the center guide (8).
  • the internal ratchet (14) by means of manual movement, allows the projection of the rods (16) which, in turn, are fixed to the bipartite upholstered backrest (12), in such a way as to move apart or approximate said parts.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

The invention relates to a structural arrangement for a stool-like, two-part ergonomic seat of the type often used by doctors, dentists and other health care practicioners, characterised in that it provides greater postural comfort during long periods, owing to its ergonomic properties, which reduce pressure on the lower vertebrae of the vertebral column. The improvement proposed by the invention is the two-part design of the seat and of the backrest, with individual bilateral adjustments. In particular, the individual adjustment of the seat and the positioning of the backrest parts render the seat more suitable for use for long periods.

Description

"DISPOSIÇÃO CONSTRUTIVA EM ASSENTO ERGONÓMICO "CONSTRUCTIVE ARRANGEMENT IN ERGONOMIC SEAT
BIPARTIDO TIPO MOCHO" BIPARTIDO MOCHO TYPE "
Assunto:  Subject matter:
[001] A presente patente de Modelo de Utilidade refere-se a uma nova disposição construtiva em um assento ergonómico bipartido tipo mocho, muito utilizado por médicos, dentistas e demais profissionais da área da saúde, por proporcionar maior conforto postural em longas permanências através de sua ergonomia, que faz com que ocorra menor pressão nas últimas vértebras da coluna. Como melhoria, o objeto apresenta construção bipartida do assento e do encosto, com regulagens individuais bilaterais. Em especial, as regulagens individuais do assento e posicionamento das partes do encosto trazem a possibilidade de melhor adequação ao uso por longos períodos.  [001] The present Utility Model patent refers to a new constructive arrangement in a two-piece ergonomic owl seat, widely used by doctors, dentists and other healthcare professionals, as it provides greater postural comfort for long stays through its ergonomics, which causes less pressure to occur on the last vertebrae of the spine. As an improvement, the object features two-part construction of the seat and back, with individual bilateral adjustments. In particular, the individual seat adjustments and positioning of the backrest offer the best fit for long-term use.
Estado da Técnica: State of the Art:
[002] O estado da técnica, motivo da presente construção aperfeiçoada é conhecido pelo documento BR PI0906210-6, depositado por Victor Lembo em 16/12/2009, com título Aperfeiçoamentos Introduzidos em Assento Anatómico do Tipo Sela Aplicado em Cadeira, que apresenta uma cadeira com assento anatómico com base almofadada bipartida construídos a partir de uma base fixa e uma base móvel, contendo uma caixa de mecanismos de regulagem (plataforma), ao redor de um eixo roscado com manipulo de liberação.  [002] The state of the art which is the reason for the present improved construction is known from document BR PI0906210-6, filed by Victor Lembo on 12/16/2009, entitled Improvements Introduced in Seat-Type Anatomical Seat Saddle, which presents a chair with anatomical seat with split cushioned base constructed from a fixed base and a movable base, containing a box of adjustment mechanisms (platform), around a threaded shaft with release handle.
[003] É conhecido também o documento US7249800 de titularidade de Easydoing Oy, depositada em 15/08/2003, com título Chair for Elimination of Problems os Sedentary Origin, que descreve, da mesma forma, um assento anatómico tipo sela, bipartido, construída a partir de determinados ângulos de posicionamento das partes do assento de modo a proporcionar adequado posicionamento da coluna do usuário. [004] Como problemática nestes produtos existentes podemos citar o fato de não apresentarem nenhum tipo de apoio posterior ou encosto. Durante o uso prolongado, por mais que o assento tipo sela proporcione a diminuição da pressão exercida nas últimas vértebras, a falta do encosto para corretamente posicionar a coluna lombar causa desconforto e não possibilita pequenas alterações de posição para relaxamento da musculatura a partir de uma correta contenção. O uso prolongado causa fadiga na musculatura, e acarreta posicionamento inadequado da coluna lombar. Also known as Easydoing Oy Document US7249800, filed on 08/15/2003, entitled Chair for Elimination of Problems or Sedentary Origin, which likewise describes a two-part saddle-type anatomical seat constructed from certain positioning angles of the seat parts to provide proper positioning of the user's spine. [004] As a problem with these existing products we can mention the fact that they have no back support or backrest. During prolonged use, even though the saddle seat provides the pressure exerted on the last vertebrae, the lack of backrest to properly position the lumbar spine causes discomfort and does not allow slight changes in position to relax the muscles from the correct one. containment. Prolonged use causes fatigue in the muscles and leads to improper positioning of the lumbar spine.
Conceito Inventivo:  Inventive Concept:
[005] A presente Disposição Construtiva em Assento Ergonómico Bipartido Tipo Mocho propõe melhorias de funcionamento e uso, pois tem como base o conceito inventivo de melhoria funcional com relação ao estado da técnica do objeto.  [005] This Constructive Arrangement in Ergonomic Bipartite Seat Type Type proposes improvements in operation and use, as it is based on the inventive concept of functional improvement in relation to the state of the art of the object.
[006] Para tanto, o presente objeto foi desenvolvido a partir das dificuldades presentes nos modelos anteriores, principalmente no tocante à falta de um apoio adequado à coluna lombar, uma vez que este assento é muito utilizado na área médica, por exemplo, em cirurgias, onde o tempo de permanência é elevado.  To this end, the present object was developed from the difficulties present in previous models, especially regarding the lack of adequate support to the lumbar spine, since this seat is widely used in the medical field, for example, in surgeries. , where the length of stay is high.
[007] Como solução, de forma a permitir maior conforto ao usuário, o assento apresentado contempla apoio posterior, com construção bipartida de forma a corretamente acomodar a musculatura lateral da coluna lombar.  [007] As a solution, in order to allow greater comfort to the user, the seat presented includes rear support, with split construction in order to properly accommodate the lateral muscles of the lumbar spine.
[008] Tendo em vista melhor adequação a varias posições da coluna necessárias durante procedimentos médicos, bem como às variações de usuários, dito assento bipartido contém regulagem de altura e de distância horizontal entre as suas partes.  [008] In order to better suit the various spine positions required during medical procedures, as well as variations in users, this split seat contains height and horizontal distance adjustment between its parts.
[009] Em especial a regulagem lateral do encosto bipartido possibilita adequações a usuários menores e maiores, de forma a permitir a regulagem do apoio à musculatura lateral à coluna lombar de acordo com a necessidade. In particular the side adjustment of the split backrest enables adjustments for smaller and larger users to allow adjustment lateral muscle support to the lumbar spine as needed.
[010] O dispositivo confere ainda ao usuário fácil e prática regulagem e manutenção, conferindo também ao fabricante facilidade de fabricação. Vantagens:  [010] The device also gives the user easy and convenient adjustment and maintenance, also giving the manufacturer ease of manufacture. Benefits:
[011] A presente proposta de nova Disposição Construtiva em Assento Ergonómico Bipartido Tipo Mocho tem como vantagens:  [011] The present proposal for a new Constructive Arrangement in an Ergonomic Two-Piece Seat has the following advantages:
• Possibilidade de apoio ergonómico à coluna lombar do usuário, trazendo conforto e correta postura;  • Possibility of ergonomic support to the user's lumbar spine, bringing comfort and correct posture;
• Proporciona posição retilínea da coluna lombar perante o ângulo de trabalho do profissional;  • Provides rectilinear position of the lumbar spine in front of the professional's working angle;
• Possibilita a regulagem de altura e distância horizontal entre as partes do encosto bipartido, resultando em flexibilidade de uso, adequação às diversas posições de uso necessárias e a usuários diferentes;  • Allows adjustment of height and horizontal distance between the parts of the split backrest, resulting in flexibility of use, adaptation to the various positions of use required and different users;
• Possibilita apoio à musculatura da coluna em situações de uso prolongado, que resulta em fadiga muscular, evitando lesões;  • Provides support to the spine muscles in prolonged use situations, which results in muscle fatigue, avoiding injuries;
• Facilidade de manuseio e manutenção.  • Easy handling and maintenance.
Ilustrações: Illustrations:
[011 ] No intuito de facilitar a pesquisa e proporcionar entendimento da presente patente, conforme preconizado no relatório, segundo uma forma básica e preferencial de realização elaborada pelo requerente, faz-se referência às ilustrações anexas, que integram e subsidiam o presente relatório descritivo onde, a:  [011] In order to facilitate research and provide understanding of the present patent, as advocated in the report, according to a basic and preferred embodiment prepared by the applicant, reference is made to the accompanying illustrations, which integrate and subsidize the present descriptive report where , a:
FIG. 01 - apresenta a perspectiva do assento; FIG. 01 - presents the perspective of the seat;
FIG. 02 - apresenta a perspectiva explodida do encosto; FIG. 02 - presents the exploded perspective of the backrest;
FIG. 03 - apresenta a vista lateral do assento; FIG. 03 - presents the side view of the seat;
FIG. 04 - apresenta o detalhe posterior do encosto mostrando a regulagem superior e inferior do mesmo; FIG. 05 - apresenta o detalhe posterior do encosto mostrando a regulagem lateral do mesmo; FIG. 04 - presents the back detail of the back showing the upper and lower adjustment of the same; FIG. 05 - presents the back detail of the back showing the lateral adjustment of the same;
FIG. 06 - apresenta o detalhe mostrando a mola inferior do assento a fixação do encosto.  FIG. 06 - shows the detail showing the lower seat spring the backrest fixing.
Descrição:  Description:
[012] Como pode-se verificar através das figuras apresentadas, o objeto da presente patente é composto pelo assento bipartido (1) encaixado na estrutura (2), dotada de regulagem de altura por pistão a ar comprimido (4), por sobre a base (3), acionado pela alavanca (5). A estrutura (2) é dotada de mola excêntrica (6) com bucha de freio por fricção ao centro da plataforma do assento.  As can be seen from the figures shown, the object of the present invention is composed of the split seat (1) fitted to the frame (2), provided with compressed air piston height adjustment (4), over the base (3), operated by lever (5). The frame (2) is provided with an eccentric spring (6) with friction brake bushing at the center of the seat platform.
[013] O encosto (7) é composto pela guia central (8) de onde tem seguimento inferior a base de fixação (9) dotada de orifícios (10) para colocação dos parafusos de fixação na estrutura (2), superiormente à haste da mola excêntrica (6). A presença da mola excêntrica (6) permite o ajuste angular do assento bipartido (1) de acordo com cada usuário, e conforme os movimentos ao sentar e alterar de posição no assento.  [013] The backrest (7) is composed of the central guide (8) from which the fixing base (9) is provided with holes (10) for fixing the fixing screws to the frame (2), superior to the rod of the eccentric spring (6). The presence of the eccentric spring (6) allows the angular adjustment of the split seat (1) according to each user, and according to the movements when sitting and changing position in the seat.
[014] Superiormente a guia central (8) contém o prolongamento bilateral (11) de onde decorre o encosto estofado bipartido (12), esquerdo e direito, dotado de mecanismo de regulagem de altura e de distância por catraca (13), possibilitando aproximar ou afastar as partes do encosto estofado bipartido (12) através de mecanismo de catraca interno, automático e com livre deslizamento.  Above the central guide (8) contains the bilateral extension (11) from which comes the left and right split upholstered backrest (12), equipped with ratchet height and distance adjustment mechanism (13), allowing to approach or spreading the parts of the split upholstered backrest (12) by means of an automatic, freely sliding ratchet mechanism.
[015] Assim, a regulagem de altura do encosto estofado bipartido (12) se dá pelo mecanismo de regulagem de altura e de distância por catraca (13) dotado de catraca interna (14), que, por sua vez, possibilita o movimento vertical do encosto estofado bipartido (12) com acionamento manual através do trilho (15) existente na parte posterior da guia central (8). Para a regulagem da distância entre as partes do encosto alestofado bipartido (12), a catraca interna (14), através de movimentação manual, permite a projeção das hastes (16) que, por sua vez são fixadas ao encosto estofado bipartido (12), de modo a afastar ou aproximar ditas partes. [015] Thus, the height adjustment of the split upholstered backrest (12) is provided by the height and distance adjustment mechanism by ratchet (13) with internal ratchet (14), which in turn enables vertical movement. of the manually operated split backrest (12) through the rail (15) on the back of the center guide (8). For adjusting the distance between the backrest parts By means of the split head (12), the internal ratchet (14), by means of manual movement, allows the projection of the rods (16) which, in turn, are fixed to the bipartite upholstered backrest (12), in such a way as to move apart or approximate said parts.
Conclusão: Conclusion:
[019] Deste modo, a Disposição Construtiva em Assento Ergonómico Bipartido Tipo Mocho é subsidiado por características técnicas e funcionais inéditas, como se pode verificar nas figuras anexas e compreender no relatório descritivo, merecendo, portanto, a proteção legal pleiteada.  [019] Thus, the Constructive Arrangement in an Ergonomic Bipartite Seat Type is subsidized by unprecedented technical and functional characteristics, as can be seen in the attached figures and understood in the descriptive report, thus deserving the legal protection claimed.

Claims

REIVINDICAÇÃO CLAIM
1. DISPOSIÇÃO CONSTRUTIVA EM ASSENTO ERGONÓMICO BIPARTIDO TIPO MOCHO é composto pelo assento bipartido (1 ) encaixado na estrutura (2) por sobre a base (3) dotada de regulagem de altura por pistão a ar comprimido (4) acionado pela alavanca (5) caracterizada pelo encosto (7) ser composto pela guia central (8) de onde tem seguimento inferior a base de fixação (9) dotada de orifícios (10) para colocação dos parafusos de fixação na estrutura (2), superiormente à haste da mola excêntrica (6); sendo que a guia central (8) contém o prolongamento bilateral (1 1 ) de onde decorre o encosto estofado bipartido (12), esquerdo e direito, dotado de mecanismo de regulagem de altura e de distancia por catraca (13) automático e com livre deslizamento, dotado de catraca interna (14), para o movimento vertical do encosto estofado bipartido (12) com acionamento manual através do trilho (15) existente na parte posterior da guia central (8), e para a regulagem da distância entre as partes do encosto estofado bipartido (12), a cartraca interna (14) por acionamento manual, permite a projeção das hastes (16) de modo a afastar ou aproximar ditas partes. 1. CONSTRUCTIVE ARRAY ARRANGEMENT IN MOCHO-TYPE ERGONOMIC SEAT consists of the split seat (1) fitted to the frame (2) over the base (3) with lever-operated piston height adjustment (4) (5) characterized in that the backrest (7) consists of the central guide (8) from which the fixing base (9) is provided with holes (10) for fixing the fixing screws to the frame (2), superior to the eccentric spring rod (6); the central guide (8) contains the bilateral extension (11) from which the left and right split upholstered backrest (12) comes with automatic and freely adjustable ratchet and height adjustment mechanism (13) slide, equipped with internal ratchet (14), for vertical movement of the manually operated split backrest (12) through the rail (15) at the rear of the center guide (8), and for adjusting the distance between the parts From the split upholstered backrest (12), the hand-operated inner cartridge (14) allows the rods (16) to be projected so as to move apart or approach said parts.
PCT/BR2016/050183 2016-06-21 2016-08-03 Structural arrangement for a stool-like, two-part ergonomic seat WO2017219102A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR202016014674-2 2016-06-21
BR202016014674-2U BR202016014674Y1 (en) 2016-06-21 2016-06-21 CONSTRUCTION LAYOUT IN TWO-PART ERGONOMIC SEAT TYPE

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050168030A1 (en) * 2002-02-14 2005-08-04 Bykov Alexei A. Sitting device
US20060152053A1 (en) * 2003-06-12 2006-07-13 Kim Sun W Seat apparatus having variable gap
DE202006007719U1 (en) * 2006-05-15 2006-10-12 Hong, Ching-Lin Office chair has backrest made up of two pads at ends of T-shaped bracket connecting them to seat, bracket being fastened to backrest by bolts passing through four flexible bushes mounted to form cross on either side of disk
US20070246988A1 (en) * 2006-04-25 2007-10-25 Ching-Lin Hung Adjustment structure of chair backrests
WO2011005231A1 (en) * 2009-07-06 2011-01-13 Burosit Buro Donanimlari Sanayi Ve Ticaret Anonim Sirketi Sitting apparatus providing body ergonomy
US20120146376A1 (en) * 2009-08-06 2012-06-14 Jig Won Kang Chair having an adjustable backrest for spinal protection
BRPI0906210A2 (en) * 2009-12-16 2013-07-30 Victor Lembo Improvements to seated seat-type anatomical seat
CA2838200A1 (en) * 2013-12-23 2015-06-23 Freedman Seats Ltd. A seat

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050168030A1 (en) * 2002-02-14 2005-08-04 Bykov Alexei A. Sitting device
US20060152053A1 (en) * 2003-06-12 2006-07-13 Kim Sun W Seat apparatus having variable gap
US20070246988A1 (en) * 2006-04-25 2007-10-25 Ching-Lin Hung Adjustment structure of chair backrests
DE202006007719U1 (en) * 2006-05-15 2006-10-12 Hong, Ching-Lin Office chair has backrest made up of two pads at ends of T-shaped bracket connecting them to seat, bracket being fastened to backrest by bolts passing through four flexible bushes mounted to form cross on either side of disk
WO2011005231A1 (en) * 2009-07-06 2011-01-13 Burosit Buro Donanimlari Sanayi Ve Ticaret Anonim Sirketi Sitting apparatus providing body ergonomy
US20120146376A1 (en) * 2009-08-06 2012-06-14 Jig Won Kang Chair having an adjustable backrest for spinal protection
BRPI0906210A2 (en) * 2009-12-16 2013-07-30 Victor Lembo Improvements to seated seat-type anatomical seat
CA2838200A1 (en) * 2013-12-23 2015-06-23 Freedman Seats Ltd. A seat

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BR202016014674Y1 (en) 2021-12-07

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