US20120242132A1 - Armrest adjustment member - Google Patents

Armrest adjustment member Download PDF

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Publication number
US20120242132A1
US20120242132A1 US13/176,164 US201113176164A US2012242132A1 US 20120242132 A1 US20120242132 A1 US 20120242132A1 US 201113176164 A US201113176164 A US 201113176164A US 2012242132 A1 US2012242132 A1 US 2012242132A1
Authority
US
United States
Prior art keywords
armrest
outer sleeve
positioning
positioning rod
disposed
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.)
Abandoned
Application number
US13/176,164
Other languages
English (en)
Inventor
Yu-Ting Chen
Chi-Ming Yang
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.)
Isotech Products Inc
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
Assigned to ISOTECH PRODUCTS INCORPORATED reassignment ISOTECH PRODUCTS INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, YU-TING, YANG, CHI-MING
Publication of US20120242132A1 publication Critical patent/US20120242132A1/en
Abandoned 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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A47C1/0303—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction
    • A47C1/0305—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in vertical direction by peg-and-notch or pawl-and-ratchet mechanism
    • 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
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • 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
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A47C1/0307—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable rectilinearly in horizontal direction
    • 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
    • A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
    • A47C1/0308—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests adjustable by rotation

Definitions

  • the present invention relates to an armrest adjustment member, especially to an armrest adjustment member that enables an armrest moving vertically or horizontally, rotating, or moving up and down like a seesaw. Moreover, the armrest adjustment is with simple structure and multiple functions.
  • an armrest includes an armrest body and an armrest support.
  • the armrest body consists of an armrest surface and a lower seat.
  • the armrest body is disposed on a top surface of the armrest support while the armrest support is fastened and fixed on the left side and the right side of a chair seat.
  • the armrest adjustment involves adjusting the width of the armrest in the horizontal direction and the height of the armrest in the vertical direction.
  • a horizontal adjustment part is for sliding the armrest forward or backward or rotating the armrest and usually is disposed on the armrest body.
  • a height adjustment part is for adjusting height of the armrest and is arranged at the armrest support.
  • the armrest is with a rotational, longitudinal and lateral adjustment mechanism.
  • the armrest has a lot of components and completed structure. This leads to difficulty in assembly and high production cost. Thus mass production is supposed to be difficult and the competitiveness is undermined. There is great room for improvement.
  • an armrest adjustment member in which of an armrest body and an outer sleeve are connected by a positioning part.
  • the outer sleeve is mounted on an armrest support so that the armrest body can be moved forward and backward or rotated in relation to the positioning part.
  • the armrest body can drive the outer sleeve to move vertically in relation to the armrest support.
  • the armrest body consists of an armrest pad and an armrest base pivoted with each other. Thus the armrest pad is moved up and down in relation to the armrest base like a seesaw.
  • the armrest adjustment member is with simple structure, fewer components, easy assembling and multiple adjustment functions.
  • a multifunctional armrest adjustment member of the present invention includes an armrest support, an outer sleeve, a positioning rod, a positioning part and an armrest body.
  • a guide slot is disposed on an upper part of the armrest support.
  • Two symmetrical toothed bars are respectively arranged at each of two corresponding inner surfaces of the guide slot.
  • a lower part of the armrest support is connected to a seat.
  • the outer sleeve is disposed around the upper part of the armrest support.
  • An opening is arranged at one side of the outer sleeve for mounting a button.
  • the positioning rod is set in the outer sleeve.
  • the top end of the positioning rod is pivoted to a top end of an inner wall of the outer sleeve while the bottom end of the positioning rod is locked into the toothed bar in the guide slot.
  • the positioning rod can be driven by the button pressed so as to be released from the toothed bar and moved along with the outer sleeve.
  • the positioning part is fixed on the outer sleeve.
  • the armrest body including an armrest pad and an armrest base, is arranged at the top of the outer sleeve.
  • the middle parts of the armrest pad and the armrest base are pivoted to each other, with the positioning part mounted therebetween.
  • the armrest can be moved forward and backward or rotated in relation to the positioning part.
  • the armrest body drives the outer sleeve to move vertically by the positioning part and the armrest pad is moved up and down in relation to the armrest base like a seesaw.
  • the armrest adjustment member of the present invention provides multiple functions including horizontal adjustment, height adjustment or rotation of the armrest body.
  • FIG. 1 is a perspective view of an embodiment according to the present invention
  • FIG. 2 is another perspective view of an embodiment according to the present invention from another viewing angle
  • FIG. 3 is an explosive view of an embodiment according to the present invention.
  • FIG. 4 is a cross sectional view of the embodiment in FIG. 1 for showing an up and down movement
  • FIG. 5 is a schematic drawing showing a forward and backward movement of an embodiment according to the present invention.
  • FIG. 6 is a schematic drawing showing a rotation of an embodiment according to the present invention.
  • FIG. 7A is a schematic drawing showing an embodiment of the present invention before a vertical movement
  • FIG. 7B is a schematic drawing showing an embodiment of the present invention after a vertical movement.
  • a multifunctional armrest adjustment member of the present invention includes an armrest support 10 , an outer sleeve 20 , a positioning rod 30 , a positioning part 40 and an armrest body 50 .
  • a vertical guide slot 11 is disposed on an upper part 101 of the armrest support 10 .
  • Two symmetrical toothed bars 12 are respectively arranged at each of two corresponding inner surfaces of the guide slot 11 .
  • the toothed bar 12 has a plurality of toothed grooves 121 arranged from top to bottom.
  • a lower part 102 of the armrest support 10 is connected to a left side or right side of a seat (not show in figure).
  • the outer sleeve 20 is disposed around an outer surface of the upper part 101 of the armrest support 10 with proper allowance.
  • An opening 21 is arranged at a side surface of the outer sleeve 20 for mounting a button 60 having a fastening part 61 .
  • a top plate 22 with a post 221 is covered on the outer sleeve 20 .
  • Two corresponding limit slots 23 are mounted on an inner wall of a top end of the outer sleeve 20 .
  • the positioning rod 30 is a T-shaped bar pivoted in the outer sleeve 20 .
  • the top two ends of the T-shaped bar are corresponding to and pivoted in the limit slots 23 of the outer sleeve 20 .
  • the positioning rod 30 includes a locking part 31 on a bottom end thereof.
  • the locking part 31 is corresponding to the two symmetrical toothed bars 12 on the guide slot 11 of the armrest support 10 and is locked into one of the toothed grooves 121 of the toothed bar 12 .
  • Two bumps 32 are arranged at a middle part of the positioning rod 30 .
  • the bump 32 is corresponding to and fastened to the fastening part 61 of the button 60 .
  • the positioning rod 30 When the button 60 is pressed, the positioning rod 30 is driven to move around the top end (as a pivot shaft) thereof. Thus the locking part 31 is released from the toothed groove 121 of the toothed bar 12 and the positioning rod 30 is able to be moved up and down in relation to the armrest support 10 along with the outer sleeve 20 . Moreover, position holes 33 for mounting an elastic part 70 are disposed over the locking part 31 of the positioning rod 30 . A post 34 is arranged at the positioning rod 30 . The post 34 is corresponding to the elastic part 70 and used for limiting movement of the elastic part 70 .
  • the positioning part 40 is disposed above the outer sleeve 20 .
  • the positioning part 40 includes two symmetrical projecting curved parts 41 at the middle part thereof, an insertion hole 42 at a center between the two projecting curved parts 41 , a fastener 43 such as a locking screw passing through the insertion hole 42 to be fastened on the post 221 of the top plate 22 of the outer sleeve 20 , and two bumps 44 .
  • the armrest body 50 is disposed on top of the outer sleeve 20 .
  • the armrest body 50 includes an armrest pad 51 and an armrest base 52 .
  • Two pivot parts 53 pivoted and connected to each other, are respectively arranged at the middle part of both the armrest pad 51 , and the armrest base 52 correspondingly.
  • a groove 54 is disposed at an axis in the forward and backward direction of the armrest body 50 .
  • the post 221 on the top plate 22 of the outer sleeve 20 passes through the groove 54 to be fastened to the positioning part 40 by the fastener 43 .
  • the positioning part 40 is moveably mounted between the armrest pad 51 and the armrest base 52 .
  • the armrest base 52 further includes two curve areas 55 on an inner surface thereof corresponding to two projecting curved parts 41 of the positioning part 40 .
  • the curve area 55 can be rotated in relation to the curved part 41 .
  • at least one elastic part 57 such as a spring is arranged at one end (the front end or the rear end) of both the armrest pad 51 and the armrest base 52 .
  • the shape and the structure of the positioning rod 30 , the positioning part 40 and the armrest body 50 are symmetrical designs, such as fore-and-aft symmetry or mirror symmetry. Due to symmetry, there is no limit while assembling theses parts. They can be switched from left to right side (or right to left side), from fore to aft, or vice versa. This helps assembly operation and materials management. In addition, the number of the components required is reduced.
  • the positioning part 40 and the armrest base 52 are respectively arranged with the bump 44 and a grid groove 56 .
  • the bump 44 is corresponding to the grid groove 56 and is able to slide forward and backward in the grid groove 56 , as an arrow A indicated in FIG. 5 . Or the bump 44 is rotated in the grid groove 56 , as an arrow B indicated in FIG. 6 . Moreover, the moved position and the position of the bump 44 are controllable.
  • the number of the bumps 44 is two.
  • the bumps 44 are respectively disposed on the front end and the rear end of the bottom surface of the positioning part 40 . As shown in FIG. 3 and FIG.
  • the grid groove 56 includes linear lines in a fore-and-aft direction (the arrow A in FIG. 5 ) and curved lines in a left-and-right direction (the arrow B in FIG. 6 ).
  • the bump 44 is disposed on the bottom surface of the positioning part 40 so as to contact against the grid groove 56 of the armrest base 52 elastically and there is friction resistance existed between the positioning part 40 and grid groove 56 .
  • the stability of the assembly and the smoothness of movement are improved.
  • the armrest pad 51 while applying pressure to the front end or rear end of the armrest pad 51 , the armrest pad 51 is moved up and down in relation to the armrest base 52 like a seesaw and the pivot parts 53 act as the fulcrum (pivot shaft). By elasticity of the elastic part 57 , the armrest pad 51 is turned back to the original position after being released from the pressure applied.
  • the positioning part 40 while operating the armrest body 50 to move forward/backward in relation to the positioning part 40 , as the arrow A indicated in FIG. 5 , the positioning part 40 remains static and the bump 44 on the bottom of the positioning part 40 is against the grid groove 56 of the armrest base 52 while the groove 54 of the armrest body 50 moves forward/backward along the post 221 on the top plate 22 of the outer sleeve 20 .
  • the positioning part 40 while operating the armrest body 50 to rotate in relation to the positioning part 40 , as the arrow B indicated in FIG. 6 , the positioning part 40 remains static and the curved part 41 of the positioning part 40 rotates within the curve area 55 of the armrest base 52 . At the same time, the bump 44 on the bottom of the positioning part 40 also rotates along the grid groove 56 of the armrest base 52 .
  • FIG. 7A and FIG. 7B respectively show the armrest body 50 before and after the upward movement.
  • the button 60 drives the positioning rod 30 to rotate around the top end of the positioning rod 30 (two ends of the T-shaped bar).
  • the locking part 31 of the positioning rod 30 is released from one toothed groove 121 of the toothed bar 12 and now the elastic part 70 is compressed.
  • the armrest body 50 is moved upward to the desired height, as an arrow E indicated in the FIG. 7B .
  • the outer sleeve 20 is moved upward by the positioning part 40 of the armrest body 50 and the positioning rod 30 is also moved upward along with the outer sleeve 20 .
  • the positioning rod 30 When the button 60 is released, the positioning rod 30 is turned back to the original position by elastic recovery force of the elastic part 70 . And the locking part 31 of the positioning rod 30 is locked into another toothed groove 121 of the toothed bar 12 .
  • the height adjustment of the armrest body 50 is completed.
  • the armrest body 50 can also be adjusted to move downward in the same way.
  • the armrest adjustment member of the present invention can adjust horizontal and vertical movement, rotation and up and down movement (like a seesaw) of the armrest body 50 , having multiple functions. While adjusting the forward and backward movement of the armrest body 50 , the rotation of the armrest body 50 can also be adjusted at the same time. Moreover, due to simple structure and fewer components, the manufacturing cost is reduced. Furthermore, the assembly cost is down because of easy assembling.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)
US13/176,164 2011-03-21 2011-07-05 Armrest adjustment member Abandoned US20120242132A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW100205015U TWM419484U (en) 2011-03-21 2011-03-21 Multi-functional chair armrest adjustment device
TW100205015 2011-03-21

Publications (1)

Publication Number Publication Date
US20120242132A1 true US20120242132A1 (en) 2012-09-27

Family

ID=46451595

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/176,164 Abandoned US20120242132A1 (en) 2011-03-21 2011-07-05 Armrest adjustment member

Country Status (3)

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US (1) US20120242132A1 (fr)
EP (1) EP2502521A1 (fr)
TW (1) TWM419484U (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113100599A (zh) * 2020-01-09 2021-07-13 陈羿儒 具多向调整的扶手靠垫

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
DE102013104809B4 (de) * 2013-05-08 2016-08-18 Bock 1 Gmbh & Co. Kg Armlehne, insbesondere für einen Bürostuhl
CN113197454B (zh) * 2020-05-29 2024-03-26 浙江凯米熊科技有限公司 一种座椅
CN113331624B (zh) * 2021-07-06 2023-11-24 安吉协隆家具股份有限公司 一种多功能扶手

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168237B1 (en) * 1997-12-03 2001-01-02 Steelcase Development Inc. Adjustable armrest for chairs
US20080084103A1 (en) * 2005-04-13 2008-04-10 Bock 1 Gmbh & Co. Kg Armrest, in Particular for an Office Chair
US7360839B1 (en) * 2007-04-13 2008-04-22 Chen Yung-Hua Apparatus for adjusting an armrest of an office chair
US20080191537A1 (en) * 2007-02-09 2008-08-14 Oda Youichirou Armrest device in a chair
US20080309140A1 (en) * 2007-06-18 2008-12-18 Hsueh-Yu Ho Armrest adjusting device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407003B (de) * 1999-04-12 2000-11-27 Sdm Hansen Ag Armauflage für ein sitzmöbel
DE20218437U1 (de) * 2002-11-27 2004-01-15 Froli Kunststoffwerk Heinrich Fromme Ohg Armstütze höhenverstellbar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6168237B1 (en) * 1997-12-03 2001-01-02 Steelcase Development Inc. Adjustable armrest for chairs
US20080084103A1 (en) * 2005-04-13 2008-04-10 Bock 1 Gmbh & Co. Kg Armrest, in Particular for an Office Chair
US20080191537A1 (en) * 2007-02-09 2008-08-14 Oda Youichirou Armrest device in a chair
US7360839B1 (en) * 2007-04-13 2008-04-22 Chen Yung-Hua Apparatus for adjusting an armrest of an office chair
US20080309140A1 (en) * 2007-06-18 2008-12-18 Hsueh-Yu Ho Armrest adjusting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113100599A (zh) * 2020-01-09 2021-07-13 陈羿儒 具多向调整的扶手靠垫

Also Published As

Publication number Publication date
TWM419484U (en) 2012-01-01
EP2502521A1 (fr) 2012-09-26

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Legal Events

Date Code Title Description
AS Assignment

Owner name: ISOTECH PRODUCTS INCORPORATED, TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHEN, YU-TING;YANG, CHI-MING;REEL/FRAME:026542/0724

Effective date: 20110518

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION