US20080203801A1 - Folding head restraint mechanism - Google Patents
Folding head restraint mechanism Download PDFInfo
- Publication number
- US20080203801A1 US20080203801A1 US11/680,517 US68051707A US2008203801A1 US 20080203801 A1 US20080203801 A1 US 20080203801A1 US 68051707 A US68051707 A US 68051707A US 2008203801 A1 US2008203801 A1 US 2008203801A1
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- US
- United States
- Prior art keywords
- head restraint
- plate
- locking plate
- plate position
- restraint assembly
- 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
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Classifications
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- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/838—Tiltable
- B60N2/856—Tiltable movable to an inoperative or stowed position
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/838—Tiltable
- B60N2/856—Tiltable movable to an inoperative or stowed position
- B60N2/859—Tiltable movable to an inoperative or stowed position specially adapted for rear seats
Definitions
- the invention relates to head restraints for vehicle seats, more particularly to adjustable head restraints.
- Adjustable head restraints for vehicle seats are provided for comfort and safety of an occupant.
- U.S. Pat. No. 6,631,956 B2 which issued on Oct. 14, 2003, discloses an adjustable head restraint with a rod that supports the head restraint and translates relative to sleeves of the seatback.
- a head restraint that is adjustable on posts that extend from the seatback.
- the posts are received within receptacles of the seatback and the posts are also adjustable relative to the receptacles.
- the head restraint includes a detent mechanism for maintaining a position of the head restraint relative to the posts; and the receptacles include a locking mechanism for locking the posts relative to the receptacles.
- some variations of the prior art head restraints allow folding. Although these head restraints of the prior art work reasonably well, the mechanism for folding tend to be complicated and expensive.
- the present invention solves one or more problems of the prior art by providing in at least one embodiment a foldable head restraint assembly that is moveable from a first head restraint position to a second head restraint position.
- the head restraint assembly includes a mounting subassembly, a structural shell, and a locking plate.
- the structural shell is supported by the mounting subassembly.
- the mounting subassembly includes a first support post, a second support post, a cross member and a latch.
- the cross member has a first end attached to the first support post and a second end attached to the second support post.
- the latch is attached to the cross member.
- the folding motion of the head restraint is initiated by movement of the locking plate.
- the locking plate is positionable at a first plate position for engaging the latch and at a second plate position for releasing the latch.
- the structural shell is pivotable about the mounting subassembly when the latch plate is in the second plate position.
- FIG. 1A is a perspective view showing an embodiment of a head restraint in an upright position
- FIG. 1B is a perspective view showing an embodiment of a head restraint in an folded position
- FIG. 2A is a schematic illustration of showing the interior of a head restraint support structure utilizing an embodiment of the folding mechanism of the present invention in a locked state;
- FIG. 2B is a schematic illustration of showing the interior of a head restraint support structure utilizing an embodiment of the folding mechanism of the present invention in a released state;
- FIG. 3 is a schematic illustration of a head restraint assembly using an actuator to effect movement of locking plate
- FIG. 4A is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a locked state
- FIG. 4B is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a released state
- FIG. 5A is a schematic illustration of a button assembly designed for placement under the head restraint trim
- FIG. 5B is a schematic illustration of a button assembly designed for placement with a portion protruding through the head restraint trim
- FIG. 6A is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an upright position
- FIG. 6B is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an folded position.
- FIGS. 1A , 1 B, 2 A, and 2 B schematic illustrations showing a head restraint support structure utilizing an embodiment of the folding mechanism of the present invention is provided.
- FIG. 1A is a perspective view showing the head restraint in a upright position.
- FIG. 1B is a perspective view showing the head restraint in a folded position.
- FIG. 2A is a schematic illustration of a section showing the interior of a head restraint support structure utilizing the folding mechanism in a locked state.
- FIG. 2B is a schematic illustration of a section showing the interior of a head restraint support structure utilizing the folding mechanism in a released state.
- Head restraint assembly 10 includes mounting subassembly 12 , locking plate 14 , and structural shell 16 .
- Structural shell 16 include shell sections 18 , 20 .
- Mounting subassembly 12 is moveably attached to structural shell 16 thereby allowing movement from the folded to the upright positions and vice versa.
- Mounting subassembly 12 includes first support post 22 , second support post 24 , and cross member 26 .
- First support post 22 and second support post 24 are each attached to cross member 26 .
- support posts 22 , 24 are each cylindrically shaped.
- one or both of support posts 22 , 24 is substantially hollow or includes hollow sections.
- support posts 22 , 24 are adapted to be positioned in receptacles in a vehicle seat hack. In such refinements, the height of the head restraint is often adjustable.
- cross member 26 is also cylindrically shaped.
- cross member 26 is substantially hollow or includes hollow sections.
- support posts 22 , 24 and cross member 26 are substantially solid (i.e., non-hollow) or include solid sections.
- Cross member 26 has first end 30 which is attached to first support post 22 and second end 32 which is attached to second support post 24 .
- first support post 22 and second support post 24 are bent (e.g., doglegged).
- Mounting subassembly 12 also includes latch 38 which is rigidly attached to cross member 26 .
- head restraint assembly 10 is designed to fold towards the front of a vehicle including the head restraint assembly. In other variations, head restraint assembly 10 is designed to fold towards the rear of a vehicle including the head restraint assembly.
- translation movement of locking plate 14 along direction d 1 is used to engage and disengage latch 38 from locking plate 14 .
- locking plate 14 engages latch 38 thereby preventing movement (i.e., pivoting) of structural shell 16 relative to mounting subassembly 12 .
- locking plate 14 is released because locking plate 14 does not physically engage latch 38 since latch 38 is now able to pass through slot 40 .
- Structural shell 16 is pivotable about mounting subassembly 12 when locking plate 14 is in the second plate position P 2 .
- Locking plate biasing member 44 acts to move locking plate 14 from second plate position P 2 to first plate position P 1 .
- locking plate biasing member 44 is a spring. Accordingly, locking plate 14 will automatically return to second plate position P 1 by when latch 38 is not positioned within slot 40 .
- head restraint assembly 10 includes head restraint biasing member 46 . Head restraint biasing member 46 acts to move structural shell 16 from the upright to the folded position when locking plate 14 is at second plate position P 2 .
- head restraint assembly 10 further includes one or more bearings 50 .
- Cross member 26 has a section positioned within one or more bearings 50 thereby allowing rotation of one or more bearings 50 about cross member 26 when locking plate 14 is in the second plate position P 2 .
- bearings 50 are split bearings.
- Bearings 50 are attached to structural shell 16 .
- head restraint assembly 10 further includes damping mechanism 52 .
- Damping mechanism 52 includes pinion gear 54 which is attached to cross member 26 and damper 56 which is attached to shell section 20 . Damping mechanism 52 damps the movement of structural shell 16 when pivoting from the upright to the folded position thereby allowing such movement proceed smoothly.
- Guide post 58 which is positioned in slot 60 restricts and guides the movement of locking plate 14 .
- Locking plate 14 may be translated between first plate position P 1 and second plate position P 2 by any number of mechanisms. In one refinement, translation of locking plate 14 is accomplished via pull cable 64 which is pulled by a user along direction d 2 . In another refinement, cable 64 passes through support post 22 . In some enhancements of this refinement, the top of support post 22 is open. In another refinement, a user presses button assembly 66 which cause movement of push rod 68 along direction d 1 thereby causing translation of locking plate 14 .
- FIG. 3 a schematic illustration of a head restraint assembly using an actuator is provided.
- the head restraint assembly depicted in FIG. 3 is of the general construction set forth above.
- head restraint assembly actuator 80 is mounted into structural shell section 20 ′.
- actuator 80 moves armature 82 in a manner that translates locking plate 14 along direction d 1 thereby moving locking plate 14 from second plate position P 1 to second plate position P 2 .
- a user activates actuator 80 via a control signal carried thereto via cable 84 .
- a wireless receiver is used to generate this control signal.
- FIG. 3 also illustrates the use of ribs 86 to hold the internal components of head restraint assembly 10 in place and/or to improve the rigidity of shell sections 18 , 20 .
- FIGS. 4A and 4B schematic illustrations of a variation of a head restraint assembly using a pivotable locking plate are provided.
- FIG. 4A is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a locked state.
- FIG. 4B is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a released state.
- head restraint assembly 10 includes mounting subassembly 12 , locking plate 14 , and structural shell 16 .
- Structural shell 16 include shell sections 18 , 20 .
- Mounting subassembly 12 is moveably attached to structural shell 16 thereby allowing movement from the folded to the upright positions and vice versa.
- Mounting subassembly 12 includes first support post 22 , second support post 24 , and cross member 26 .
- First support post 22 and second support post 24 are each attached to cross member 26 .
- support posts 22 , 24 are each cylindrically shaped.
- one or both of support posts 22 , 24 is substantially hollow or includes hollow sections.
- cross member 26 is also cylindrically shaped.
- cross member 26 is substantially hollow or includes hollow sections.
- support posts 22 , 24 and cross member 26 is substantially solid (i.e., non-hollow) or include solid sections.
- Cross member 26 has first end 30 which is attached to first support post 22 and second end 32 which is attached to second support post 24 .
- Mounting subassembly 12 also includes latch 38 which is rigidly attached to cross member 26 .
- pivoting of locking plate 14 ′ along direction d 3 is used to engage and disengage latch 38 from locking plate 14 ′.
- locking plate 14 ′ engages latch 38 thereby preventing movement (i.e., pivoting) of structural shell 16 relative to mounting subassembly 12 from the upright position to the folded position.
- locking plate 14 ′ is at second plate position P 2 ′, locking plate 14 ′ is released because locking plate 14 ′ does not physically engage latch 38 .
- Structural shell 16 is pivotable about mounting subassembly 12 when locking plate 14 ′ is in the second plate position P 2 .
- Locking plate biasing member 44 ′ acts to move locking plate 14 ′ from second plate position P 2 ′ to first plate position P 1 ′.
- locking plate biasing member 44 ′ is a spring. Accordingly, locking plate 14 ′ will automatically return to first plate position P 1 ′ when locking plate 14 ′ is not blocked by latch 38 .
- head restraint assembly 10 includes head restraint biasing member 46 . Head restraint biasing member 46 acts to move structural shell 16 from the upright to the folded position when locking plate 14 ′ is at second plate position P 2 .
- head restraint assembly 10 further includes one or more bearings 50 . In some variations, bearings 50 are split bearings.
- Cross member 26 has a section positioned within one or more bearings 50 thereby allowing rotation of one or more bearings 50 about cross member 26 when locking plate 14 is in the second plate position P 2 .
- Bearings 50 are attached to structural shell 16 .
- head restraint assembly 10 further includes damping mechanism 52 .
- Damping mechanism 52 includes pinion gear 54 which is attached to cross member 26 and damper 56 which is attached to shell section 20 . Damping mechanism 52 damps the movement of structural shell 16 when pivoting from the upright to the folded position thereby allowing such movement to proceed smoothly.
- head restraint assembly 10 is depicted with several mechanisms to initiate movement of locking plate 14 ′ from first plate position P 1 to second plate position P 2 .
- push rod 94 moves along direction d 3 thereby causing pivoting of locking plate 14 ′.
- button assembly 66 which causes movement of push rod 98 along direction d 4 thereby causing pivoting of locking plate 14 ′ via movement of armature 100 about pivot point 102 .
- actuator 80 effects movement of armature 10 thereby causing pivoting of locking plate 14 ′. Also depicted in FIG.
- button assembly 66 ′ is in communication with locking plate 14 ′. In a refinement, this communication is accomplished used push rod 98 ′ and armature 100 ′ which pivots about pivot point 102 ′.
- FIGS. 5A and 5B schematic illustrations of variations for button assembly 66 are provided.
- FIG. 5A provides an illustration of a button designed for placement under the head restraint trim.
- push button section 110 is in communication with the locking plate via push rod 68 .
- Spring 112 allows for push button section 10 to recoil after operation by a user.
- FIG. 5B provides an illustration of a button designed for placement such that a portion protrudes through the head restraint trim.
- push button section 120 is in communication with the locking plate via push rod 68 .
- Spring 122 allows for push button section 120 to recoil after operation by a user.
- a portion of push button section 120 protrudes through bezel 124 .
- FIGS. 6A and 6B schematic illustrations of a head restraint assembly adapted to be attached to a seat back frame are provided.
- FIG. 6A is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an upright position.
- FIG. 6B is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an folded position.
- plate 128 assists with the attachment of head restraint assembly 10 ′ to the vehicle seat back.
Abstract
Description
- 1. Field of the Invention
- The invention relates to head restraints for vehicle seats, more particularly to adjustable head restraints.
- 2. Background Art
- Adjustable head restraints for vehicle seats are provided for comfort and safety of an occupant. For example, U.S. Pat. No. 6,631,956 B2, which issued on Oct. 14, 2003, discloses an adjustable head restraint with a rod that supports the head restraint and translates relative to sleeves of the seatback.
- Another offering of the prior art is a head restraint that is adjustable on posts that extend from the seatback. The posts are received within receptacles of the seatback and the posts are also adjustable relative to the receptacles. The head restraint includes a detent mechanism for maintaining a position of the head restraint relative to the posts; and the receptacles include a locking mechanism for locking the posts relative to the receptacles. Moreover, some variations of the prior art head restraints allow folding. Although these head restraints of the prior art work reasonably well, the mechanism for folding tend to be complicated and expensive.
- Accordingly, for at least these reasons, designs for improved head restraint folding mechanism are desirable.
- The present invention solves one or more problems of the prior art by providing in at least one embodiment a foldable head restraint assembly that is moveable from a first head restraint position to a second head restraint position. The head restraint assembly includes a mounting subassembly, a structural shell, and a locking plate. The structural shell is supported by the mounting subassembly. The mounting subassembly includes a first support post, a second support post, a cross member and a latch. The cross member has a first end attached to the first support post and a second end attached to the second support post. Moreover, the latch is attached to the cross member. The folding motion of the head restraint is initiated by movement of the locking plate. The locking plate is positionable at a first plate position for engaging the latch and at a second plate position for releasing the latch. Advantageously, the structural shell is pivotable about the mounting subassembly when the latch plate is in the second plate position.
-
FIG. 1A is a perspective view showing an embodiment of a head restraint in an upright position; -
FIG. 1B is a perspective view showing an embodiment of a head restraint in an folded position; -
FIG. 2A is a schematic illustration of showing the interior of a head restraint support structure utilizing an embodiment of the folding mechanism of the present invention in a locked state; -
FIG. 2B is a schematic illustration of showing the interior of a head restraint support structure utilizing an embodiment of the folding mechanism of the present invention in a released state; -
FIG. 3 is a schematic illustration of a head restraint assembly using an actuator to effect movement of locking plate; -
FIG. 4A is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a locked state; -
FIG. 4B is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a released state; -
FIG. 5A is a schematic illustration of a button assembly designed for placement under the head restraint trim; -
FIG. 5B is a schematic illustration of a button assembly designed for placement with a portion protruding through the head restraint trim; -
FIG. 6A is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an upright position; and -
FIG. 6B is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an folded position. - Reference will now be made in detail to presently preferred compositions, embodiments and methods of the present invention, which constitute the best modes of practicing the invention presently known to the inventors. The figures are not necessarily to scale. However, it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. Therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for any aspect of the invention and/or as a representative basis for teaching one skilled in the art to variously employ the present invention.
- Except in the examples, or where otherwise expressly indicated, all numerical quantities in this description indicating amounts of material or conditions of reaction and/or use are to be understood as modified by the word “about” in describing the broadest scope of the invention.
- It is also to be understood that this invention is not limited to the specific embodiments and methods described below, as specific components and/or conditions may, of course, vary. Furthermore, the terminology used herein is used only for the purpose of describing particular embodiments of the present invention and is not intended to be limiting in any way.
- It must also be noted that, as used in the specification and the appended claims, the singular form “a”, “an”, and “the” comprise plural referents unless the context clearly indicates otherwise. For example, reference to a component in the singular is intended to comprise a plurality of components.
- Throughout this application, where publications are referenced, the disclosures of these publications in their entireties are hereby incorporated by reference into this application to more fully describe the state of the art to which this invention pertains.
- With reference to
FIGS. 1A , 1B, 2A, and 2B, schematic illustrations showing a head restraint support structure utilizing an embodiment of the folding mechanism of the present invention is provided.FIG. 1A is a perspective view showing the head restraint in a upright position.FIG. 1B is a perspective view showing the head restraint in a folded position.FIG. 2A is a schematic illustration of a section showing the interior of a head restraint support structure utilizing the folding mechanism in a locked state.FIG. 2B is a schematic illustration of a section showing the interior of a head restraint support structure utilizing the folding mechanism in a released state.Head restraint assembly 10 includes mountingsubassembly 12, lockingplate 14, andstructural shell 16.Structural shell 16 includeshell sections subassembly 12 is moveably attached tostructural shell 16 thereby allowing movement from the folded to the upright positions and vice versa. Mountingsubassembly 12 includesfirst support post 22,second support post 24, andcross member 26.First support post 22 andsecond support post 24 are each attached to crossmember 26. In a variation of the present embodiment, support posts 22, 24 are each cylindrically shaped. In a further refinement, one or both of support posts 22, 24 is substantially hollow or includes hollow sections. In another refinement, support posts 22, 24 are adapted to be positioned in receptacles in a vehicle seat hack. In such refinements, the height of the head restraint is often adjustable. Similarly, in another variation of the present embodiment,cross member 26 is also cylindrically shaped. In a further refinement,cross member 26 is substantially hollow or includes hollow sections. In other variations, support posts 22, 24 andcross member 26 are substantially solid (i.e., non-hollow) or include solid sections.Cross member 26 hasfirst end 30 which is attached tofirst support post 22 andsecond end 32 which is attached tosecond support post 24. In still other variations,first support post 22 andsecond support post 24 are bent (e.g., doglegged). Mountingsubassembly 12 also includeslatch 38 which is rigidly attached to crossmember 26. - It should be appreciated, that is some variations,
head restraint assembly 10 is designed to fold towards the front of a vehicle including the head restraint assembly. In other variations,head restraint assembly 10 is designed to fold towards the rear of a vehicle including the head restraint assembly. - In the specific variation depicted in
FIGS. 2A and 2B , translation movement of lockingplate 14 along direction d1 is used to engage and disengagelatch 38 from lockingplate 14. When lockingplate 14 is in first plate position P1, lockingplate 14 engageslatch 38 thereby preventing movement (i.e., pivoting) ofstructural shell 16 relative to mountingsubassembly 12. When lockingplate 14 is at second plate position P2, lockingplate 14 is released because lockingplate 14 does not physically engagelatch 38 sincelatch 38 is now able to pass throughslot 40.Structural shell 16 is pivotable about mountingsubassembly 12 when lockingplate 14 is in the second plate position P2. Lockingplate biasing member 44 acts to move lockingplate 14 from second plate position P2 to first plate position P1. In one refinement, lockingplate biasing member 44 is a spring. Accordingly, lockingplate 14 will automatically return to second plate position P1 by whenlatch 38 is not positioned withinslot 40. In a refinement,head restraint assembly 10 includes headrestraint biasing member 46. Headrestraint biasing member 46 acts to movestructural shell 16 from the upright to the folded position when lockingplate 14 is at second plate position P2. In another refinement,head restraint assembly 10 further includes one ormore bearings 50.Cross member 26 has a section positioned within one ormore bearings 50 thereby allowing rotation of one ormore bearings 50 aboutcross member 26 when lockingplate 14 is in the second plate position P2. In some variations,bearings 50 are split bearings.Bearings 50 are attached tostructural shell 16. In still another refinement,head restraint assembly 10 further includes dampingmechanism 52. Dampingmechanism 52 includespinion gear 54 which is attached to crossmember 26 anddamper 56 which is attached toshell section 20. Dampingmechanism 52 damps the movement ofstructural shell 16 when pivoting from the upright to the folded position thereby allowing such movement proceed smoothly.Guide post 58 which is positioned inslot 60 restricts and guides the movement of lockingplate 14. - Locking
plate 14 may be translated between first plate position P1 and second plate position P2 by any number of mechanisms. In one refinement, translation of lockingplate 14 is accomplished viapull cable 64 which is pulled by a user along direction d2. In another refinement,cable 64 passes throughsupport post 22. In some enhancements of this refinement, the top ofsupport post 22 is open. In another refinement, a user pressesbutton assembly 66 which cause movement ofpush rod 68 along direction d1 thereby causing translation of lockingplate 14. - With reference to
FIG. 3 , a schematic illustration of a head restraint assembly using an actuator is provided. The head restraint assembly depicted inFIG. 3 is of the general construction set forth above. In this variation, headrestraint assembly actuator 80 is mounted intostructural shell section 20′. When activated,actuator 80 moves armature 82 in a manner that translates lockingplate 14 along direction d1 thereby moving lockingplate 14 from second plate position P1 to second plate position P2. A user activatesactuator 80 via a control signal carried thereto viacable 84. In some refinement, a wireless receiver is used to generate this control signal. It should be appreciated, that one or more of the mechanisms for translating between first plate position P1 and second plate position P2 may simultaneously be employed in a head restraint assembly.FIG. 3 also illustrates the use ofribs 86 to hold the internal components ofhead restraint assembly 10 in place and/or to improve the rigidity ofshell sections - With reference to
FIGS. 4A and 4B , schematic illustrations of a variation of a head restraint assembly using a pivotable locking plate are provided.FIG. 4A is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a locked state.FIG. 4B is a schematic illustration showing the interior of a head restraint support structure utilizing a pivotable locking plate in a released state. As set forth above,head restraint assembly 10 includes mountingsubassembly 12, lockingplate 14, andstructural shell 16.Structural shell 16 includeshell sections subassembly 12 is moveably attached tostructural shell 16 thereby allowing movement from the folded to the upright positions and vice versa. Mountingsubassembly 12 includesfirst support post 22,second support post 24, andcross member 26.First support post 22 andsecond support post 24 are each attached to crossmember 26. In a variation of the present embodiment, support posts 22, 24 are each cylindrically shaped. In a further refinement, one or both of support posts 22, 24 is substantially hollow or includes hollow sections. Similarly, in another variation of the present embodiment,cross member 26 is also cylindrically shaped. In a further refinement,cross member 26 is substantially hollow or includes hollow sections. In other variations, support posts 22, 24 andcross member 26 is substantially solid (i.e., non-hollow) or include solid sections.Cross member 26 hasfirst end 30 which is attached tofirst support post 22 andsecond end 32 which is attached tosecond support post 24. Mountingsubassembly 12 also includeslatch 38 which is rigidly attached to crossmember 26. - Still referring to
FIGS. 4A and 4B , pivoting of lockingplate 14′ along direction d3 (about pivot point 90) is used to engage and disengagelatch 38 from lockingplate 14′. When lockingplate 14′ is in first plate position P1′, lockingplate 14′ engageslatch 38 thereby preventing movement (i.e., pivoting) ofstructural shell 16 relative to mountingsubassembly 12 from the upright position to the folded position. When lockingplate 14′ is at second plate position P2′, lockingplate 14′ is released because lockingplate 14′ does not physically engagelatch 38.Structural shell 16 is pivotable about mountingsubassembly 12 when lockingplate 14′ is in the second plate position P2. Lockingplate biasing member 44′ acts to move lockingplate 14′ from second plate position P2′ to first plate position P1′. In one refinement, lockingplate biasing member 44′ is a spring. Accordingly, lockingplate 14′ will automatically return to first plate position P1′ when lockingplate 14′ is not blocked bylatch 38. In a refinement,head restraint assembly 10 includes headrestraint biasing member 46. Headrestraint biasing member 46 acts to movestructural shell 16 from the upright to the folded position when lockingplate 14′ is at second plate position P2. In another refinement,head restraint assembly 10 further includes one ormore bearings 50. In some variations,bearings 50 are split bearings.Cross member 26 has a section positioned within one ormore bearings 50 thereby allowing rotation of one ormore bearings 50 aboutcross member 26 when lockingplate 14 is in the second plate position P2. Bearings 50 are attached tostructural shell 16. In still another refinement,head restraint assembly 10 further includes dampingmechanism 52. Dampingmechanism 52 includespinion gear 54 which is attached to crossmember 26 anddamper 56 which is attached toshell section 20. Dampingmechanism 52 damps the movement ofstructural shell 16 when pivoting from the upright to the folded position thereby allowing such movement to proceed smoothly. - Still referring to
FIGS. 4A and 4B ,head restraint assembly 10 is depicted with several mechanisms to initiate movement of lockingplate 14′ from first plate position P1 to second plate position P2. In one refinement, pushrod 94 moves along direction d3 thereby causing pivoting of lockingplate 14′. In another refinement, a user pressesbutton assembly 66 which causes movement ofpush rod 98 along direction d4 thereby causing pivoting of lockingplate 14′ via movement ofarmature 100 aboutpivot point 102. In yet another refinement,actuator 80 effects movement ofarmature 10 thereby causing pivoting of lockingplate 14′. Also depicted inFIG. 4A in phantom view is a variation in which placement of a button in on the other side of the head restraint. In this variation,button assembly 66′ is in communication with lockingplate 14′. In a refinement, this communication is accomplished usedpush rod 98′ andarmature 100′ which pivots aboutpivot point 102′. - With reference to
FIGS. 5A and 5B , schematic illustrations of variations forbutton assembly 66 are provided.FIG. 5A provides an illustration of a button designed for placement under the head restraint trim. In this variation,push button section 110 is in communication with the locking plate viapush rod 68.Spring 112 allows forpush button section 10 to recoil after operation by a user.FIG. 5B provides an illustration of a button designed for placement such that a portion protrudes through the head restraint trim. In this variation,push button section 120 is in communication with the locking plate viapush rod 68.Spring 122 allows forpush button section 120 to recoil after operation by a user. A portion ofpush button section 120 protrudes throughbezel 124. - With reference to
FIGS. 6A and 6B , schematic illustrations of a head restraint assembly adapted to be attached to a seat back frame are provided.FIG. 6A is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an upright position.FIG. 6B is a perspective view showing an embodiment of a head restraint adapted to be attached to a seat back frame in an folded position. In a refinement of this variation,plate 128 assists with the attachment ofhead restraint assembly 10′ to the vehicle seat back. - While embodiments of the invention have been illustrated and described, it is not intended that these embodiments illustrate and describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention.
Claims (20)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US11/680,517 US20080203801A1 (en) | 2007-02-28 | 2007-02-28 | Folding head restraint mechanism |
DE102008003649A DE102008003649B4 (en) | 2007-02-28 | 2008-01-09 | Retaining mechanism for a folding headrest |
CN2008100065265A CN101254760B (en) | 2007-02-28 | 2008-02-28 | Folding head restraint mechanism |
US12/775,990 US8231177B2 (en) | 2007-02-28 | 2010-05-07 | Folding head restraint mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/680,517 US20080203801A1 (en) | 2007-02-28 | 2007-02-28 | Folding head restraint mechanism |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/775,990 Division US8231177B2 (en) | 2007-02-28 | 2010-05-07 | Folding head restraint mechanism |
Publications (1)
Publication Number | Publication Date |
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US20080203801A1 true US20080203801A1 (en) | 2008-08-28 |
Family
ID=39670260
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/680,517 Abandoned US20080203801A1 (en) | 2007-02-28 | 2007-02-28 | Folding head restraint mechanism |
US12/775,990 Expired - Fee Related US8231177B2 (en) | 2007-02-28 | 2010-05-07 | Folding head restraint mechanism |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/775,990 Expired - Fee Related US8231177B2 (en) | 2007-02-28 | 2010-05-07 | Folding head restraint mechanism |
Country Status (3)
Country | Link |
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US (2) | US20080203801A1 (en) |
CN (1) | CN101254760B (en) |
DE (1) | DE102008003649B4 (en) |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090071283A1 (en) * | 2007-09-18 | 2009-03-19 | Lear Corporation | Selective remote head restraint actuation |
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Cited By (47)
Publication number | Priority date | Publication date | Assignee | Title |
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US20090184555A1 (en) * | 2005-04-04 | 2009-07-23 | Lear Corporation | Selective remote head restraint actuation |
US8152242B2 (en) | 2005-04-04 | 2012-04-10 | Lear Corporation | Selective remote head restraint actuation |
US20100072803A1 (en) * | 2007-03-31 | 2010-03-25 | Ts Tech Co., Ltd. | Headrest and vehicle seat provided with the same |
US8864236B2 (en) * | 2007-03-31 | 2014-10-21 | Ts Tech Co., Ltd. | Headrest and vehicle seat provided with the same |
US20090071283A1 (en) * | 2007-09-18 | 2009-03-19 | Lear Corporation | Selective remote head restraint actuation |
US20090146479A1 (en) * | 2007-12-05 | 2009-06-11 | Lear Corporation | Seat assembly having an adjustable head restraint assembly |
US7871129B2 (en) * | 2007-12-05 | 2011-01-18 | Lear Corporation | Seat assembly having an adjustable head restraint assembly |
US20100072791A1 (en) * | 2008-09-22 | 2010-03-25 | Lear Corporation | Adjustable vehicle head restraint assembly for a vehicle seat |
US8157328B2 (en) * | 2008-09-22 | 2012-04-17 | Lear Corporation | Adjustable vehicle head restraint assembly for a vehicle seat |
JP2014156247A (en) * | 2008-09-30 | 2014-08-28 | Ts Tech Co Ltd | Headrest |
US20100179728A1 (en) * | 2009-01-12 | 2010-07-15 | Lear Corporation | Folding head restraint assembly for convertible vehicle |
US8126617B2 (en) | 2009-01-12 | 2012-02-28 | Lear Corporation | Folding head restraint assembly for convertible vehicle |
US20110095592A1 (en) * | 2009-05-06 | 2011-04-28 | Lear Corporation | Folding Vehicle Head Restraint Assembly |
US8939512B2 (en) | 2009-05-06 | 2015-01-27 | Lear Corporation | Seat assembly and an adjustable head restraint assembly |
US20100283306A1 (en) * | 2009-05-06 | 2010-11-11 | Lear Corporation | Seat assembly and an adjustable head restraint assembly |
US20100283305A1 (en) * | 2009-05-06 | 2010-11-11 | Lear Corporation | Folding vehicle head restraint assembly |
CN101879871A (en) * | 2009-05-06 | 2010-11-10 | 李尔公司 | Folding vehicle head restraint assembly |
US8348347B2 (en) | 2009-05-06 | 2013-01-08 | Lear Corporation | Folding vehicle head restraint assembly |
US8851574B2 (en) | 2009-05-06 | 2014-10-07 | Lear Corporation | Folding vehicle head restraint assembly |
US8246116B1 (en) * | 2009-08-24 | 2012-08-21 | Sutter Jr Robert R | Head restraint assembly with sliding latch |
WO2012013336A1 (en) * | 2010-07-28 | 2012-02-02 | Johnson Controls Gmbh | Pivotable head restraint |
US9221371B2 (en) | 2010-07-28 | 2015-12-29 | Johnson Controls Technology Company | Pivotable head restraint |
US8807653B2 (en) * | 2010-09-17 | 2014-08-19 | Lear Corporation | Adjustable head restraint assembly for vehicle seats |
US20120068517A1 (en) * | 2010-09-17 | 2012-03-22 | Lear Corporation | Adjustable head restraint assembly for vehicle seats |
CN102407788A (en) * | 2010-09-17 | 2012-04-11 | 李尔公司 | Adjustable head restraint assembly for vehicle seats |
US8864209B2 (en) * | 2010-11-15 | 2014-10-21 | Magna Seating Inc. | One touch stow in floor seat assembly with automatic lateral displacement |
US20130341953A1 (en) * | 2010-11-15 | 2013-12-26 | David A. White | One Touch Stow In Floor Seat Assembly With Automatic Lateral Displacement |
US8465098B2 (en) | 2011-06-21 | 2013-06-18 | Lear Corporation | Adjustable head restraint assembly for vehicle seats |
US8820839B1 (en) * | 2012-04-24 | 2014-09-02 | Gill Industries, Inc. | Head restraint assembly |
GB2511599A (en) * | 2012-12-05 | 2014-09-10 | Lear Corp | Folding vehicle head restraint assembly |
US9168851B1 (en) * | 2013-04-16 | 2015-10-27 | Gill Industries, Inc. | Foldable head restraint assembly |
US10618441B2 (en) * | 2014-02-17 | 2020-04-14 | Grammer Ag | Motor-vehicle headrest |
US20150232003A1 (en) * | 2014-02-17 | 2015-08-20 | Grammer Ag | Motor-vehicle headrest |
CN104369681A (en) * | 2014-12-12 | 2015-02-25 | 重庆宏立至信汽车部件制造有限公司 | Foldable frame assembly of seat headrest |
CN104433417A (en) * | 2014-12-12 | 2015-03-25 | 重庆宏立至信汽车部件制造有限公司 | Headrest skeleton mechanism convenient to fold |
CN104442488A (en) * | 2014-12-12 | 2015-03-25 | 重庆宏立至信汽车部件制造有限公司 | Headrest framework folding mechanism |
FR3035625A1 (en) * | 2015-04-30 | 2016-11-04 | Faurecia Sieges D'automobile | HEADREST ASSEMBLY SYSTEM AND VEHICLE SEAT |
JP2015163509A (en) * | 2015-05-14 | 2015-09-10 | テイ・エス テック株式会社 | headrest |
US20200031264A1 (en) * | 2016-10-27 | 2020-01-30 | Daimay North America Automotive, Inc. | Headrest assembly |
US10737603B2 (en) * | 2016-10-27 | 2020-08-11 | Daimay North America Automotive, Inc. | Headrest assembly |
US11117504B2 (en) * | 2017-06-29 | 2021-09-14 | Tesca France | Headrest for a motor vehicle seat |
US10448732B2 (en) * | 2018-02-06 | 2019-10-22 | School Specialty, Inc. | Desk and proprioceptive foot stimulator assembly |
FR3078662A1 (en) * | 2018-03-11 | 2019-09-13 | Tesca France | HEADREST FOR THE SEAT OF A MOTOR VEHICLE |
US11208019B2 (en) * | 2018-03-16 | 2021-12-28 | Daimay North America Automotive, Inc. | Headrest assembly |
FR3087719A1 (en) * | 2018-10-26 | 2020-05-01 | Tesca France | MOTOR VEHICLE SEAT SUPPORT SYSTEM |
CN113799672A (en) * | 2020-06-16 | 2021-12-17 | 岱美北美汽车股份有限公司 | Headrest assembly configured to resist vibration |
US11584275B2 (en) * | 2020-06-16 | 2023-02-21 | Daimay North America Automotive, Inc. | Headrest assembly configured to resist vibration |
Also Published As
Publication number | Publication date |
---|---|
US8231177B2 (en) | 2012-07-31 |
CN101254760B (en) | 2011-04-20 |
US20100219670A1 (en) | 2010-09-02 |
CN101254760A (en) | 2008-09-03 |
DE102008003649B4 (en) | 2010-03-04 |
DE102008003649A1 (en) | 2008-09-04 |
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