US20060145525A1 - Translating armrest - Google Patents
Translating armrest Download PDFInfo
- Publication number
- US20060145525A1 US20060145525A1 US11/021,905 US2190504A US2006145525A1 US 20060145525 A1 US20060145525 A1 US 20060145525A1 US 2190504 A US2190504 A US 2190504A US 2006145525 A1 US2006145525 A1 US 2006145525A1
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- US
- United States
- Prior art keywords
- armrest
- seat frame
- seat
- shaft
- frame
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/753—Arm-rests movable to an inoperative position
Definitions
- This invention relates generally to seats for motor vehicles and more specifically to a translating armrest.
- these second and third row seats have an armrest that is movable between an upward position and a downward position, pivoting about an axis. Armrests such as these are not movable in a lateral direction and may make the occupant of these seats uncomfortable.
- One aspect of the present invention is a seat assembly comprising a seat frame arranged to support a cushion, a rotatable armrest, a threaded receiver mounted to either the seat frame or the armrest, a translation shaft coupled with the other of the seat frame or the armrest which includes a thread disposed on the outside surface of the shaft arranged to matingly engage with the threaded receiver. Rotation of the armrest relative to the seat frame causes the armrest to translate toward or away from the seat frame as the threads of the translation shaft engage with the threaded receiver.
- FIG. 1 is an exploded perspective view of an armrest assembly according to the present invention
- FIG. 2 is a detailed perspective view of a portion of the armrest assembly of FIG. 1 ; and FIG. 3 is a detailed perspective view of another portion of the armrest assembly of FIG. 1 .
- FIGS. 1 to 3 show one embodiment 10 of a seat assembly according to the present invention for a motor vehicle.
- the seat assembly 10 includes a seat frame arranged to support a cushion 14 and an armrest assembly 20 .
- Threaded shaft bracket 12 includes a seat attachment portion 36 and sleeve portion 38 .
- Threaded shaft bracket 12 may be composed of metal, polymer or combinations thereof.
- Seat attachment portion 36 extends radially from sleeve portion 38 .
- Seat attachment portion 36 and sleeve portion 38 may be formed together as a single piece or, alternatively, fashioned separately and attached by any method known in the art, such as by welding.
- Threaded shaft bracket 12 may be fixedly attached to seat frame 14 by any fastening means known in the art such as, for example, threaded screws or bolts received in openings 16 and threaded openings (not shown) within seat frame 14 .
- Sleeve portion 38 includes an inside surface 40 having a plurality of helical threads 42 .
- Armrest assembly 20 is comprised of an armrest 22 , armrest bracket 50 and translation shaft 24 .
- Armrest bracket 50 is attached to armrest 22 in any manner known in the art.
- armrest bracket 50 is integrally formed or molded with armrest 22 .
- Armrest bracket 50 includes a shaft receiving portion 52 having a plurality of inwardly projecting teeth 54 . When assembled, the inwardly projecting teeth 54 correspond to and mate with a notched (toothed) end 44 of translation shaft 24 to prevent the rotation of armrest assembly 20 relative to the armrest 22 .
- Translation shaft 24 includes a radially extending stop 28 disposed at a first end. Stop 28 includes an inside surface 29 for abutting engagement with sleeve end 39 . Inside surface 29 abuts sleeve end 39 when the armrest assembly is in the armrest position. Translation shaft 24 and sleeve portion 38 are complementarily threaded. Translation shaft 24 includes a plurality of helical threads 32 disposed upon a portion of an outside surface 30 of the translation shaft 24 . Helical threads 32 are sized and positioned to engage threads 42 of threaded inside surface 40 of sleeve 38 .
- Translation shaft 24 further includes an axial bore 27 for receiving a shaft core 26 .
- Bore 27 and shaft core 26 are complementarily shaped in a manner that prevents rotation of the translation shaft 24 about shaft core 26 .
- shaft core 26 has a hexagonal cross section. Those with skill in the art will recognize that other shapes may be used for shaft core 26 and bore 27 to prevent rotation of the translation shaft 24 about shaft core 26 .
- Shaft core 26 is attached to arm rest 22 .
- shaft core 26 is attached to armrest bracket 50 .
- shaft core 26 is integral to armrest bracket 50 .
- armrests 22 (only one is shown for clarity of the illustration) provided on either side of the seat frame 14 are rotatable generally upwardly and inwardly to assume stowed position. Armrests 22 are rotated generally downwardly and outwardly to assume an armrest position.
- the seat frame 14 includes a seat bottom frame (not shown) and a seat back frame (not shown) arranged to releasably pivot between an upright position and a stowed position, as is generally understood to one of ordinary skill in the art.
- the armrests 22 automatically rotate upward and laterally inward toward the seat back frame.
- the armrests 22 rotate about 110 degrees between their armrest position and their stowed position, with the armrest 22 translating about 1 inch between the armrest position and the stowed position.
- the length of translation may be increased or decreased depending on the result desired.
- the present invention thus provides a seat assembly having an armrest assembly that moves between a storage position and an armrest position.
- the embodiment of the invention disclosed herein is presently considered to be preferred, various changes and modifications can be made without departing from the spirit and scope of the invention.
- the threads of the translation shaft 24 and the threaded receiver 12 can be reversed, so the armrest 22 is translated nearer the seat frame 14 in the armrest position and away from the seat frame 14 in the stowed position.
- the pitch of the threads of the translation shaft 24 and the threaded shaft bracket 12 can be varied and/or stops provided to define the distance of armrest rotation and translation.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
- This invention relates generally to seats for motor vehicles and more specifically to a translating armrest.
- Many motor vehicles, particularly sport utility vehicles and minivans, are equipped with second and third row rear seats that can be moved from a seating configuration, in which passengers can sit in the seat, to a storage configuration in which the seat is folded downwardly to assume a horizontal orientation and thereby facilitate cargo stowage. Often, these stowable seats are narrower than fixed seats in order to fit within the storage compartment.
- Typically, these second and third row seats have an armrest that is movable between an upward position and a downward position, pivoting about an axis. Armrests such as these are not movable in a lateral direction and may make the occupant of these seats uncomfortable.
- What is needed is an armrest that overcomes these and other disadvantages.
- One aspect of the present invention is a seat assembly comprising a seat frame arranged to support a cushion, a rotatable armrest, a threaded receiver mounted to either the seat frame or the armrest, a translation shaft coupled with the other of the seat frame or the armrest which includes a thread disposed on the outside surface of the shaft arranged to matingly engage with the threaded receiver. Rotation of the armrest relative to the seat frame causes the armrest to translate toward or away from the seat frame as the threads of the translation shaft engage with the threaded receiver.
- Accordingly, it is an object of the present invention to provide a seat assembly of the type described above that can be moved between a storage position and an armrest position.
- These and other features and advantages of the invention will become further apparent from the following detailed description of the presently preferred embodiments, read in conjunction with the accompanying drawings. The drawings are not drawn to scale. The detailed description and drawings are merely illustrative of the invention rather than limiting, the scope of the invention being defined by the appended claims and equivalents thereof.
-
FIG. 1 is an exploded perspective view of an armrest assembly according to the present invention; -
FIG. 2 is a detailed perspective view of a portion of the armrest assembly ofFIG. 1 ; andFIG. 3 is a detailed perspective view of another portion of the armrest assembly ofFIG. 1 . - FIGS. 1 to 3 show one embodiment 10 of a seat assembly according to the present invention for a motor vehicle. The seat assembly 10 includes a seat frame arranged to support a
cushion 14 and anarmrest assembly 20. -
Seat frame 14 includes an opening 15 for receiving threadedshaft bracket 12. Referring toFIG. 3 , threadedshaft bracket 12 includes aseat attachment portion 36 andsleeve portion 38. Threadedshaft bracket 12 may be composed of metal, polymer or combinations thereof.Seat attachment portion 36 extends radially fromsleeve portion 38.Seat attachment portion 36 andsleeve portion 38 may be formed together as a single piece or, alternatively, fashioned separately and attached by any method known in the art, such as by welding. Threadedshaft bracket 12 may be fixedly attached toseat frame 14 by any fastening means known in the art such as, for example, threaded screws or bolts received inopenings 16 and threaded openings (not shown) withinseat frame 14.Sleeve portion 38 includes aninside surface 40 having a plurality ofhelical threads 42. -
Armrest assembly 20 is comprised of anarmrest 22,armrest bracket 50 andtranslation shaft 24.Armrest bracket 50 is attached toarmrest 22 in any manner known in the art. In one embodiment,armrest bracket 50 is integrally formed or molded witharmrest 22.Armrest bracket 50 includes ashaft receiving portion 52 having a plurality of inwardly projectingteeth 54. When assembled, the inwardly projectingteeth 54 correspond to and mate with a notched (toothed)end 44 oftranslation shaft 24 to prevent the rotation ofarmrest assembly 20 relative to thearmrest 22. -
Translation shaft 24 includes a radially extendingstop 28 disposed at a first end.Stop 28 includes aninside surface 29 for abutting engagement withsleeve end 39. Insidesurface 29 abuts sleeveend 39 when the armrest assembly is in the armrest position.Translation shaft 24 andsleeve portion 38 are complementarily threaded.Translation shaft 24 includes a plurality ofhelical threads 32 disposed upon a portion of anoutside surface 30 of thetranslation shaft 24.Helical threads 32 are sized and positioned to engagethreads 42 of threaded insidesurface 40 ofsleeve 38. -
Translation shaft 24 further includes anaxial bore 27 for receiving ashaft core 26.Bore 27 andshaft core 26 are complementarily shaped in a manner that prevents rotation of thetranslation shaft 24 aboutshaft core 26. In one embodiment,shaft core 26 has a hexagonal cross section. Those with skill in the art will recognize that other shapes may be used forshaft core 26 and bore 27 to prevent rotation of thetranslation shaft 24 aboutshaft core 26.Shaft core 26 is attached toarm rest 22. In one embodiment,shaft core 26 is attached toarmrest bracket 50. In an alternative embodiment,shaft core 26 is integral toarmrest bracket 50. - In operation, armrests 22 (only one is shown for clarity of the illustration) provided on either side of the
seat frame 14 are rotatable generally upwardly and inwardly to assume stowed position.Armrests 22 are rotated generally downwardly and outwardly to assume an armrest position. In the exemplary embodiment, theseat frame 14 includes a seat bottom frame (not shown) and a seat back frame (not shown) arranged to releasably pivot between an upright position and a stowed position, as is generally understood to one of ordinary skill in the art. In accordance with the present inventions, as the seat back frame is released from an upright position and folded into a stowed position, thearmrests 22 automatically rotate upward and laterally inward toward the seat back frame. In the exemplary embodiment, thearmrests 22 rotate about 110 degrees between their armrest position and their stowed position, with thearmrest 22 translating about 1 inch between the armrest position and the stowed position. Those with skill in the art will recognize that the length of translation may be increased or decreased depending on the result desired. - The present invention thus provides a seat assembly having an armrest assembly that moves between a storage position and an armrest position. While the embodiment of the invention disclosed herein is presently considered to be preferred, various changes and modifications can be made without departing from the spirit and scope of the invention. For example, the threads of the
translation shaft 24 and the threadedreceiver 12 can be reversed, so thearmrest 22 is translated nearer theseat frame 14 in the armrest position and away from theseat frame 14 in the stowed position. In an alternative embodiment, the pitch of the threads of thetranslation shaft 24 and the threadedshaft bracket 12 can be varied and/or stops provided to define the distance of armrest rotation and translation. The scope of the invention is indicated in the appended claims, and all changes that come within the meaning and range of equivalents are intended to be embraced therein.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/021,905 US7077477B1 (en) | 2004-12-22 | 2004-12-22 | Translating armrest |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/021,905 US7077477B1 (en) | 2004-12-22 | 2004-12-22 | Translating armrest |
Publications (2)
Publication Number | Publication Date |
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US20060145525A1 true US20060145525A1 (en) | 2006-07-06 |
US7077477B1 US7077477B1 (en) | 2006-07-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/021,905 Active 2025-01-02 US7077477B1 (en) | 2004-12-22 | 2004-12-22 | Translating armrest |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070067905A1 (en) * | 2005-09-28 | 2007-03-29 | Wilder William A | Patient transport apparatus |
FR3017833A1 (en) * | 2014-02-24 | 2015-08-28 | Peugeot Citroen Automobiles Sa | HEAD OFFICE |
US10913380B2 (en) * | 2018-11-09 | 2021-02-09 | Grammer Ag | Armrest |
KR20220040851A (en) * | 2020-09-24 | 2022-03-31 | 주식회사 서연이화 | Armrest unit for vehicle |
KR20220040852A (en) * | 2020-09-24 | 2022-03-31 | 주식회사 서연이화 | Armrest unit for vehicle |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1765634B1 (en) * | 2004-06-04 | 2012-09-05 | Intier Automotive Inc. | Rotating armrest mechanism |
DE102005002853B3 (en) * | 2005-01-20 | 2006-04-27 | Johnson Controls Gmbh | Bolt axial fixing device for motor vehicle, has wire shaped safety device loosely accommodated with slot, and axial force for loosening safety device is changed based on function of turning position relative to bolt or wave |
US7255402B1 (en) * | 2006-03-28 | 2007-08-14 | Gm Global Technology Operations, Inc. | Concealed armrest |
WO2014186277A1 (en) * | 2013-05-15 | 2014-11-20 | David Dale | Extended vehicular armrest |
DE102015014723A1 (en) * | 2015-11-17 | 2017-05-18 | Grammer Ag | Vehicle equipment device and armrest |
US10213021B2 (en) * | 2017-02-24 | 2019-02-26 | Belinda Walters | Mobile chair |
JP6964557B2 (en) * | 2018-06-05 | 2021-11-10 | 株式会社オートネットワーク技術研究所 | Armrest |
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US20040124687A1 (en) * | 2002-09-20 | 2004-07-01 | Faurecia Automotive Seating Canada Limited | Armrest adjustment mechanism and method of assembling same |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070067905A1 (en) * | 2005-09-28 | 2007-03-29 | Wilder William A | Patient transport apparatus |
US7716759B2 (en) * | 2005-09-28 | 2010-05-18 | Wilder William A | Patient transport apparatus |
FR3017833A1 (en) * | 2014-02-24 | 2015-08-28 | Peugeot Citroen Automobiles Sa | HEAD OFFICE |
US10913380B2 (en) * | 2018-11-09 | 2021-02-09 | Grammer Ag | Armrest |
KR20220040851A (en) * | 2020-09-24 | 2022-03-31 | 주식회사 서연이화 | Armrest unit for vehicle |
KR20220040852A (en) * | 2020-09-24 | 2022-03-31 | 주식회사 서연이화 | Armrest unit for vehicle |
KR102403655B1 (en) | 2020-09-24 | 2022-05-31 | 주식회사 서연이화 | Armrest unit for vehicle |
KR102415874B1 (en) | 2020-09-24 | 2022-07-01 | 주식회사 서연이화 | Armrest unit for vehicle |
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