US20120119556A1 - Seat back headrest - Google Patents
Seat back headrest Download PDFInfo
- Publication number
- US20120119556A1 US20120119556A1 US13/009,938 US201113009938A US2012119556A1 US 20120119556 A1 US20120119556 A1 US 20120119556A1 US 201113009938 A US201113009938 A US 201113009938A US 2012119556 A1 US2012119556 A1 US 2012119556A1
- Authority
- US
- United States
- Prior art keywords
- cushion
- headrest
- seat back
- hinge
- seat
- 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
-
- 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
- A47C7/38—Support for the head or the back for the head
- A47C7/383—Detachable or loose head- or neck-supports, e.g. horse-shoe shaped
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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
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2839—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a front guard or barrier
-
- 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
- B60N2/882—Head-rests detachable
Definitions
- a variety of different headrests have been devised for supporting a portion of the user's head, such as each side cheek or in a fully face encircling manner.
- Maintaining a sleeping person's head in a generally upright position while the person is sleeping in a seat is particularly important from a safety standpoint for small children who frequently fall asleep while riding in a vehicle, airplane, or train.
- the various devised headrests are either designed as part of the vehicle head restraint or are portable and removably attachable to the seatback for deployment and use.
- the previously devised headrests are either cumbersome or unsightly to deploy and attach to a seat back or, do not have easily adjustable positions to enable use of the headrest with different sized individuals or with children as the children grow.
- a seat back headrest is mountable on a seat back for supporting a portion of a user's head when seated in the seat.
- the headrest includes:
- a seat back mounting member invertingly mountable over a top edge of a seat back in one of first and second positions.
- a cushion is adapted to support the weight of a portion of a user's head.
- a cushion connector couples the cushion to the mounting member.
- the cushion connector is movable between a first position when the mounting member is in a first position on the seat back and a shifted second position when the mounting member is in the second positions on the seat back to orient the cushion in one of first and second positions relative to the seat back.
- the cushion can be a single cushion for supporting a side of a user's head or a continuous cushion extending between two ends coupled to two seat back mounting members for supporting either side or a front portion of the user's head.
- the cushion connector includes:
- a hinge having first and second pivotally connected hinge portions, the first hinge portion fixedly coupled to the mounting member; and the second hinge portion being pivotally movable from a first position relative to the first hinge member when the mounting member is in the first position on the seat back and a second position relative to the first hinge portion when the mounting member is in the inverted second position to deploy the cushion in one of two angular positions relative to the seat back.
- the hinge has a generally horizontally extending pivot axis when mounted on the seat back.
- a flexible rod having a portion carrying the cushion and a mounting portion engagable with a seat back. The rod is a flexible rod capable of bending to a different shape.
- the rod may have an inverted generally U-shaped channel between a pair of seat back engagement portions.
- the rod has a pair of mounting portions coupled to opposite ends of the rod, the cushion extending substantially between the pair of mounting portions on the rod.
- Interlocking portions are carried on the two free ends of the connector for releasably locking a connector about a seat back.
- a combination of a vehicle seat and a headrest includes:
- a vehicle seat having a generally upright seat back with an upper end, opposed side edges, a front surface and a back surface, and a headrest. At least one bore extending into the seat back from an open end at the front surface of the seat back, a portable headrest having a connector releasibly mountable in the bore in the seat back and a cushion carried by the connector for weight bearing support of a seat user's head.
- the at least one bore includes two generally horizontally spaced bores formed in the seat back, each extending from an open end at the front surface of the seat back. Another connector removable in one of the bores in the seat back and a cushion carried by the connectors for weight bearing support of a seat user's head.
- a separate cushion may be coupled to each connector. Alternately, a single cushion may be coupled to both connectors.
- the connector may include a hinge having first and second pivotally connected hinge portions, the first hinge portion fixedly coupled to the connector; and the second hinge portion coupled to the cushion and pivotally movable from a first position relative to the first hinge member when the mounting member is in the first position on the seat back and a second position relative to the first hinge portion when the mounting member is in the inverted second position to deploy the cushion in one of two angular positions relative to the seat back.
- the one bore and the seat back extends substantially horizontally into the seat back.
- a second is disposed in the seat back at a down extending angle relative to the first bore. The two different angled bores allow selective insertion of the cushion connector therein for disposing the cushion at different angles relative to the seat back.
- a combined vehicle seat and headrest in another aspect, includes a recess formed in the front surface of the seat back; and a cushion movable mountable in the recess for movement between a retracted position wherein the cushion is disposed in the recess in the seat back to at least one forward extending use position for weight bearing support of a seat user's head.
- a spring biased detent pin fixedly carried by the seat back; and a plurality of circumferentially spaced detents carried on a member fixed about a pivot axis of the cushion for movable positioning of the cushion between a plurality of use positions defined by the detents.
- extension members telescopingly engage each other and one end of the cushion to provide extensible movement of the cushion relative to the seat back.
- one or both cushion ends are mounted on sliders movable within a fixed track in the seat back for extension and retraction movement.
- the cushion connector is movable between a first use position for supporting a portion of a user's head in a second substantially vertically extending, non use position allowing ingress and egress to the seat.
- the mounting members coupled to the cushion connectors carry a post which is removably.
- the cushion has a shape complimentary to the outer shape of the conventional seat head restraint.
- the generally U-shaped cushion is pivotal about the lower ends of the two side legs for movement between a non-use position substantially overlaying the outer edge of the head restraint to an angular use position wherein the U-shaped cushion is disposed at a forward facing angle relative to the head restraint and the seatback.
- the cushion maybe adjusted to any desired angle relative to the head restraint, including an angular position greater than 90° to enable the cushion to be used with by small children.
- FIG. 1 is a perspective view of one aspect of a seat back head rest
- FIG. 2 is an enlarged perspective view of the head rest shown in FIG. 1 ;
- FIG. 3 is a further enlarged view of one portion of the headrest of claim 1 shown in an inverted position;
- FIG. 4 is a side elevational view of one portion of the headrest shown in FIG. 1 deployed in a first employed position;
- FIG. 5 is a side elevational view of one portion of the headrest shown in FIG. 1 deployed in a second employed position;
- FIG. 6 is a modification of the headrest shown in FIG. 1 ;
- FIG. 7A is a perspective view of another aspect of a headrest
- FIG. 7B is a side elevational view of a modification to the headrest shown in FIG. 7A ;
- FIG. 7C is a side elevational view of another medication to the headrest shown in FIG. 7A ;
- FIG. 8 is a perspective view of another aspect of a headrest
- FIG. 9 is a perspective view of another aspect of a headrest.
- FIG. 10 is a side elevational view of a headrest shown in FIG. 9 depicted in a first deployed position
- FIG. 11 is a side elevational view of a headrest shown in FIG. 9 depicted in a second deployed position
- FIG. 12 is another aspect of a headrest
- FIG. 13 is a perspective view of another aspect of a headrest
- FIG. 14 is a cross-sectional view generally taken along lines 14 - 14 in FIG. 13 ;
- FIG. 15 is a perspective view of another aspect of a headrest depicted in a recessed, non-use position
- FIG. 16 is a cross-sectional view generally taken along line 16 - 16 in FIG. 15 ;
- FIG. 17 is a perspective view of the headrest shown in FIG. 15 deployed in an extended, use position
- FIG. 18 is a cross-section view generally taken along line 18 - 18 and FIG. 17 ;
- FIG. 19 is a perspective view showing another aspect of a headrest deployed in a partially extended use position
- FIG. 20 is side cross-sectional view of the headrest shown in FIG. 19 ;
- FIG. 21 is an enlarged, perspective view showing the lower track of the headrest depicted in FIG. 20 ;
- FIG. 22 is an end view of the slide mechanism for the headrest shown in FIG. 20 ;
- FIG. 23 is a side cross-sectional view showing another aspect of the headrest of FIG. 20 depicted in a deployed position;
- FIG. 24 is a side elevational view of another aspect of a headrest, showing a modification to the headrest depicted in FIG. 5 ;
- FIG. 25 is a side elevational view of another aspect of a headrest showing a modification to the headrest depicted in FIG. 11 ;
- FIG. 26 is a perspective view of another aspect of a headrest
- FIG. 27 is a perspective view of another aspect of a headrest integrally mounted on a seat head restraint.
- FIG. 28 is a cross-sectional view generally taken along line 28 - 28 in FIG. 27 .
- the seat 20 may be any type of seat, such as vehicle seat, an airplane seat, a train seat or a seat used in an office, work space or home.
- the seat 20 has a seat back 22 and a seat bottom 24 .
- the seat back 22 may be rigidly fixed to the seat bottom 24 or may be pivotal from in a more generally upright position shown in FIG. 1 to an angled position over the seat bottom 24 .
- the seat back 22 includes a top edge 26 , opposed side edges 28 and 30 , a front surface 32 and an opposed rear surface 34 .
- FIGS. 1-5 One aspect of a headrest 40 is shown in FIGS. 1-5 .
- the headrest 40 is designed as a portable headrest for removable mounting over the top edge 26 of the seat back 22 .
- the headrest 40 includes one or a pair of mounting members 42 and 44 .
- the mounting members 42 and 44 are configured for releasable mounting over the top edge 26 of the seat back 22 and are in substantial contact with the front surface 32 and the rear surface 34 of the seat back 22 .
- each mounting member 42 and 44 is identically constructed of a front seat engagement member 46 in a form of a planar plate and a like rear seat engagement member 48 , also in the form of an enlarged planar plate.
- the large surface area of the front and rear plates 46 and 48 provides a secure mounting for the headrest 40 on the seat back 22 .
- a strap 50 is fixed to and interconnects the front and rear plates 46 and 48 .
- the strap 50 may be a single strip of plastic or metal material which is integrally formed with or attached to the front and rear plates 46 and 48 .
- the strap 50 may be formed of two members, one attached to each of the front and rear plates 46 and 48 and telescopingly engaged in a tight friction fit. This enables the strap 50 to be telescopingly elongated or reduced in length so as to vary the spacing between the front and rear plates 46 and 48 to enable the mounting members 42 or 44 to be securely affixed to any thickness of the seatback 22 .
- the front member 46 has an upper edge 52 and a lower edge 54 .
- the rear plate or member 48 of each mounting member 42 and 44 has an upper edge 56 and a lower edge 58 .
- the upper edges 52 and 56 of the front and rear plates 46 and 48 extend above the strap 50 on the top edge 26 of the seat back 22 .
- the lower edges 54 and 58 of the front and rear plates 46 and 48 extend below the top edge 26 of the seat back 22 .
- a cushion connector 60 is affixed to the front plate 46 of each mounting member 42 and 44 .
- the cushion connector 60 includes a wire rod 62 , formed of plastic, metal, etc., which extends into or is otherwise affixed to one end of a cushion 64 .
- a hinge 70 is formed as part of the cushion connector 60 .
- the hinge 70 includes first and second hinge portions or leaves 72 and 74 .
- the first hinge portion or leaf 72 is fixedly attached by adhesive, integral molding fasteners to the front plate 46 , etc. It will be understood that the first hinge leaf 72 may also constitute part of the front plate 46 itself.
- the first hinge leaf 72 includes a plurality of cylindrical, hollow spaced sleeves 76 adapted for receiving a hinge pin 68 .
- the second hinge leaf 74 also includes a plurality of cylindrical sleeves 78 which are linearly spaced apart and intermeshed with the sleeves 76 on the first hinge leaf 72 for receiving the pivot pin 68 therethrough and forming a pivot axis which extends in a substantially horizontal orientation when the headrest 40 is mounted over the top edge 26 of the seat back 22 .
- the rod 62 is fixedly attached to one of the cylindrical sleeves 78 on the second hinge leaf 74 , such as the central most sleeve 78 . This causes the rod 62 to pivot with movement of the second hinge leaf 74 as described hereafter.
- a stop 80 is fixed at one end to the second hinge leaf 74 and extends to an opposite free end adapted to abut one of the cylindrical sleeves 76 on the first hinge leaf 72 to limit the open pivotal movement of the second hinge leaf 74 with respect to the first hinge leaf 72 to a predetermined angle as shown in FIG. 3 .
- FIG. 3 depicts a first mounting position of the headrest 40 on the seat back 22 .
- the second hinge leaf 74 will pivot by gravity and the weight of the cushion 64 to the angularly open position angularly spaced from the first hinge leaf 72 .
- This position of the cushion 64 would be suitable for adults or older children.
- the headrest 40 can be inverted 180° from the mounting position shown in FIGS. 1 and 2 by flipping the mounting members 42 and 44 end over end until the mounting member 44 is in the prior position of the mounting member 42 on the seat back 22 as shown in FIG. 5 .
- the weight of the cushion 64 will cause a second hinge leaf 74 to pivot about the pivot pin 68 until it is disposed in close abutment or engagement with the first hinge leaf 72 .
- This collapsing movement of the hinge 70 causes the rod 62 and the cushions 64 to pivot in a downward direction relative to the seat back 22 to a smaller acute angle with respect to the seat back 22 . This lowers the sides and front of the portions of the cushion 64 for shorter height individuals.
- the cushion 64 can take a variety of shapes, such as the general by U-shape shown in FIGS. 1 and 2 .
- the U-shaped cushion 64 defines a smoothly curved semi-circle including opposed side portions 65 and 67 and a central, front end portion 69 .
- the free ends of the side portions 65 and 67 are connected to the rods 62 on the mounting members 42 and 44 as shown in FIGS. 1 and 2 .
- Alternately other shapes are possible for the cushion 64 , such as a D shape, oval, triangular, etc.
- individual cushions 90 and 92 may be coupled to each rod 62 on each of the mounting members 42 and 44 .
- the cushions 90 and 92 may also take a variety of shapes and lengths.
- the cushions 90 and 92 are illustrated in FIG. 6 , by exampled, as having a general J-shape. Free ends 94 and 96 of the cushions 90 and 92 may be disposed in close proximity to or even in contact with each other to form a chin support for a person in the seat.
- the cushion 90 and 92 may have generally planar or slightly curved side members, without a central portion, so as to be capable of supporting only the sides of a user's head.
- the cushions 64 , 90 , or 92 may be formed in any conventional manner, depending upon the construction and use of the seat. Foam or other soft, compliant materials may be used for the entire cushion or an internal core of the cushion. Decorative outer covers, formed of leather, plastic, fabric, and complimentary to materials used in conventional vehicle, airplane, train or home seats, maybe employed.
- the mounting member and the cushion connector are formed of a single pre-shaped or bent rod 122 .
- the rod 122 can be made of any suitable material, such as moldable plastic as well as plastic covered metal, etc.
- the rod 122 is bent or pre-shaped into a mounting portion including first and second mounting legs 124 and 126 configured to respectively engage the front surface 32 and the rear surface 34 of the seat back 22 .
- Each mounting leg 124 and 126 is formed of two adjacent bent portions of the rod 122 for stability and adjustability.
- An end portion 128 of the rod 122 is disposed within a cushion 130 for supporting the cushion 130 on the mounting rod 122 .
- the cushion 130 may take a variety of shapes, including straight, slightly curved, or the J-shape shown by way of example in FIG. 7A .
- An enlarged pad or plate 132 is fixed to the front mounting leg 124 to provide an enlarged surface area for securely supporting the headrest 122 on the seat back 22 .
- welding, adhesive, fasteners, or other joining techniques may be employed to fixedly join the pad 132 to the front mounting leg 124 .
- the front end portion 124 of the rod 120 due to angled, two part form of the front mounting leg 122 maybe easily bent in a downward position to lower the angle of the cushion 130 relative to the seat back 22 as by reference number 24 shown in phantom in FIG. 7A . This enables the position if the cushion 130 to be adjusted to suit the height of the user of the seat.
- FIG. 7B Another aspect of the wire connector 122 is shown in FIG. 7B .
- the second leg 126 shown in FIG. 7A is replaced by an initially shaped straight portion with the connector portion 122 .
- a form 125 having an internal bore size to slidably fit the form over the end of 123 of the rod 122 is provided with an edge 125 A.
- the form 125 is slid over the end portion 123 of the rod 122 until the end 125 A of the form 125 abuts the rear edge of the seat back 27 .
- the form 125 is then used to bend the free end 123 of the rod 122 in a downward position until the form and/or the free end 123 of the rod 122 is bent at a downward extending angle relative to the connector portion of the rod 122 a lane over the top edge of the seat back 27 to snugly conform the rod 122 to the shape and thickness of the seat back 127 .
- FIG. 7C Another modification to the wire connector 122 is shown in FIG. 7C .
- the rod 122 also has the straight rearward extending portion 123 .
- a clip 129 is provided.
- the clip 129 is formed of a spring material, such as a spring steel or plastic and has a V-shape formed with first and second angularly disposed legs 131 and 132 .
- Coaxially aligned apertures 131 A and 133 A are respectively formed in the legs 131 and 133 and are sized to fit over the free end 123 of the rod 122 .
- the apertures 131 A and 133 of the clip 129 are slid over the free end of the rod 122 by bending the legs 131 and 133 of the clip 129 together. This coaxially aligns the apertures 131 A and 133 A to allow easy sliding insertion of the clip 129 over the free end 123 of the rod 122 .
- the clip 129 is slid along the length of the free end 123 until the leg 131 contacts the rear surface of the seat back 27 .
- the force holding the end of the legs 131 and 133 is then released which the causes the legs 131 and 133 to spring outward to the position shown in FIG. 7C .
- the free end 123 extending rearward of the clip 129 can be covered a cushion, such as the form 125 shown in FIG. 7B .
- user of the mounting member with the clip 129 can be reserved for seat backs in the rear seat of a vehicle, such as the rear most seat of a mini van or SUV or the rear seat of a vehicle having only front and rear seats.
- FIG. 8 depicts another aspect of a headrest 140 which can be considered a modification of the aspect shown in FIG. 7A .
- the headrest 140 shown in FIG. 8 includes a first seat mount member 142 and a second seat mount member 144 .
- the seat mount members 142 and 144 are substantially identical in that each includes an end portion 146 engagable with one end 148 or 150 of a cushion 152 and a mounting leg portion 154 formed of a U-shaped bend in a rod 156 .
- An enlarged pad 158 and 160 is coupled to the mounting leg 154 in each mounting member 142 and 144 for engagement with the front surface 32 of a seat back 22 .
- the rod 152 is formed as a continuous member with freely movable second end portions 158 and 160 which are formed with interconnecting means 162 and 164 in the form of interlocking hooks or loops. This arrangement allows the enlarged pads 158 and 160 to be engaged with the front surface 32 of the seat back 22 and then the free ends 158 and 160 of the rod 156 looped around the head restraint or upper portion of the seat back 22 and interlocked to secure the headrest 142 on the seat 20 .
- the rod 152 is formed of a flexible material, such as a flexible metal, not only can the angle of the end portions 146 of the rod 156 be changed to vary the angle of the cushion 152 relative to the seat back 22 , but the free end portions 158 and 160 of the rod 156 may also be bent to any desired shape to fit the headrest 142 securely about the upper portion of any size or shape seat back 22 .
- FIGS. 9-11 Another aspect of a headrest is shown in FIGS. 9-11 in which the headrest is integrally coupled to the seat back 22 .
- the seat back 22 is formed with a hollow bore 180 which maybe contained within a rigid cylinder 182 fixedly mounted in the upper portion of the seat back.
- the bore 180 in the cylinder 182 has an open end through the front surface 32 of the seat back 22 .
- the hinge members 46 and rods 62 and 64 of the headrest 40 shown in FIG. 2 are also employed in this aspect of the headrest.
- An additional rod 184 extends from a first hinge leaf 72 and is removably insertable into the bore 180 in the cylinder 182 mounted in the seat back 22 .
- the rods 62 and 64 support a cushion 190 .
- the cushion 190 is shown by example only as being a continuous semi-circular cushion extending between each of the rods 62 and 64 . It will be understood that each rod 62 and 64 may support a separate cushion, such as the straight or J-shaped cushions shown in FIG. 6 .
- the second hinge leaf 74 will pivot to an open position, angularly spaced from the first hinge leaf 72 to orient the cushion 190 in a substantially horizontal position relative to the seat back 22 .
- the rods 184 may be removed from the bores 180 in the seat back 22 and the entire head rest 188 inverted as shown in FIG. 11 before the rods 184 are reinserted into the bores 180 of the seat back 22 .
- the second hinge leaf 74 pivots into close proximity to or in contact with the first hinge leaf 72 thereby dropping the cushion 190 to a smaller acute angle relative to the seat back 22 then when the mounting members are in the opposite position shown in FIG. 10 .
- the varying angular position of the cushion 190 may also be achieved by employing two pairs of cylindrical members 182 and 192 , as shown in FIG. 12 , on one side or both sides of the upper portion of the seat back 22 .
- the second cylindrical sleeve 192 is angled at a more downward angle then the generally horizontally disposed sleeve 182 .
- the rods 62 which do not have the hinge members 46 , may then be simply inserted into the bores in either cylindrical sleeve 182 or 192 to place the cushion 190 at the desired one of two angular positions relative to the seat back 22 to accommodate the height and size of the user of the seat.
- FIGS. 13 and 14 Another aspect of a headrest is shown in FIGS. 13 and 14 .
- a seat back 222 of a seat 220 has a recess 224 formed along the upper portion of the seat back 22 and extending inward into the seat back 222 from the front surface 232 .
- the recess 224 may have an inverted U-shape to accommodate a continuous semicircular U-shaped cushion 230 shown by way of example in FIG. 13 .
- the recess 224 would have a shape complimentary to the shape of the cushions employed in the headrest.
- the cushion 230 is formed with a pair of opposed side arms 232 and 234 which interconnected at one end by an end segment 236 .
- a pivot pin 238 and 240 is mounted in the end of each arm 232 and 234 , respectively.
- a metal sleeve may be mounted in the end of each of the cushion arms 232 and 234 to provide an easily slidable connection to the pivot pins 238 and 240 .
- the pins 238 and 240 are fixedly mounted within the internal structure of the seat back 22 and form co-axial pivot axes about which the entire cushion 230 can pivot.
- the pivot connections provided by the pivot pins 238 and 240 on the arms 230 and 234 of the cushion 230 enable the cushion 230 to be pivoted from a first position, shown in solid in FIGS. 13 and 14 in which the cushion 230 is completely seated in the recess 224 in the seat back 222 thereby forming an integral part of the seat back 222 .
- the cushion 230 can be easily pivoted by hand force from the retracted position shown in FIG. 13 to a first deployed position shown in phantom by reference number 242 in FIG. 13 .
- this first deployed position 242 of the cushion 230 is shown as being substantially perpendicular to the seat back 22 or parallel to the seat bottom 224 , it will be understood that the bottom edge of the recess 224 can be angled downward a greater amount to allow further pivoting movement of the cushion 230 below the horizontal to a more angled position relative to the seat back 232 .
- an electric motor can be coupled to the side arms 232 or 234 and mounted in the seat back or seat bottom for automatically extending and retracting the cushion 230 through activation of a remotely located control switch.
- a detent mechanism is mounted in the seat back 222 and the cushion 230 to provide discrete angular positioning of the cushion 230 in one of several distinct deployed positions.
- the detent mechanism includes a spring based pin 244 projecting from the seat back 222 into the recess 224 .
- a cylindrical disc is mounted in each cushion arm end around the pivot pins 238 and 240 and carries a plurality of circumferentially spaced detent recesses labeled A, B, and C.
- extensible and retractable devices such as electric motor driven linear rods or extensible and retractable fluid operated cylinders
- extensible and retractable devices which are operated simultaneously from a vehicle occupant activated switch, similar to switches used to control the up and down movement of the vehicle windows, enable the entire cushion 230 , after the cushion has been moved at least partially out of the recess in the seat back 232 , to be elevated from the lowermost position shown in FIG. 13 to a more elevated or vertical spaced position so as to selectively position the entire cushion 230 at the desired height for the particular size occupant of the seat 220 .
- the extensible and retractable mechanisms are operated in a reverse manner to lower the pivot connections at each of the side arms 232 and 234 back to the lowermost position shown in FIG. 13 prior to pivotal movement of the cushion 230 in an upward direction into the recess in the seatback 232 .
- the headrest 270 includes a cushion 271 depicted has having a generally U-shape formed of a central end portion 272 which transitions into angularly disposed side cheek portions 274 and 276 .
- the headrest 270 may alternately be in the form of a single side cheek which may have a linear shape, a slightly curved or arcuate shape, or a J-shape having a side cheek portion and a partial front end which may extend into close proximity or contact with the end of a mirror image J-shaped side check portion mounted in the seat back 220 .
- a single J-shaped cushion may be employed all by itself on one lateral side of the seat back 220 .
- a recess 286 is formed in the seat back 220 opening from an open end at the front surface 232 of the seat back 220 .
- the recess 286 has a depth suited for completely receiving the entire depth of the end portion 272 of the cushion 271 when the cushion 271 is in the fully retracted position.
- Apertures 278 and 280 are formed on opposite sides of the back surface of the recess 286 .
- the apertures 278 and 280 and open either into the interior of the seat back 220 or into the interior of receptacles 282 and 284 , respectively, fixed within the interior of the seat back 220 , generally within the cushion material, such as foam, for example, used to fill the interior of the seat back 220 .
- a slide mechanism is mounted in the seat back 220 in the form of one or multiple box members, with two box members 288 and 290 provided, by example, on each side of the headrest 270 .
- the box members 288 may have any suitable cross-section, such as square, rectangular, circular, etc.
- Each box member 288 has a one or more first end flange 292 which extend laterally outward from the longitudinal center line of the box member 288 and opposed second flanges 294 which extend inward into the interior of the box member.
- the box member 288 has a hollow interior size for receiving the second box member 290 or, in the case of the use of only the single box member 288 , the end of one of the side cushion portions 274 or 278 of the cushion 271 .
- the box member 280 has a sidewall 296 which extends between the flanges 292 and 294 .
- the flanges 292 and 294 may comprise a pair of two laterally opposed flanges or a continuous or discontinuous series of multiple flanges in the case of a square cross-section box member 288 or 290 .
- the function of the flanges 292 and 294 is to control the extension and retraction position of the box members 288 and 290 as described hereafter.
- the second box member 290 has shape complimentary to the shape of the first box member 288 , but with a smaller diameter or width dimension so that the flange or flanges 298 at a first end of the second box member 290 nest within the interior of the first box member 288 and are engageable with the second flanges 294 on the first box member 288 when the first and second box members 288 and 290 are pulled to their extended position as shown in FIGS. 17 and 18 .
- the second box member 290 includes a second flange or flanges 300 at an opposite end of a sidewall 301 which define an opening through which an enlarged end 302 of the side cushion 274 or 276 nests.
- the headrest 270 In use, the headrest 270 will assume to be in the retracted, non-use position shown in FIG. 15 . In this position, the front end portion 272 of the cushion 271 fits substantially flush with the front surface 232 of the seatback 220 when the end portion 272 nests within the recess 286 opening from the front surface 232 of the seatback 220 . This provides a substantially flush front surface 232 for the seat back 220 when the headrest 270 is not in use.
- the headrest 270 When use of the headrest 270 is desired, a user merely grasps the end portion 272 and pulls the end portion 272 outward away from the front surface 232 of the seat back 220 . Although extension to the fully extended position shown in FIGS. 17 and 18 is the usual end position, it will be understood that the headrest 270 may be extended to any intermediate position to fit the size of the person seated in the seat.
- the flanges 292 , 294 , 298 and 300 of the box members 288 and 290 move from the nested position shown in FIG. 16 .
- the initial outward force on the end portion 272 cause the side cushions 274 and 276 of the headrest 270 and their associated enlarged ends 302 to slide within the interior of the second box member 290 until the outer portions of the enlarged ends 302 engage the second flanges 300 on the second box member 290 .
- the cushion 271 and the pairs of opposed box members 288 and 290 forms a opening in front of the front surface 232 of the seat back 270 suitable for receiving a least a portion of a user's head.
- the shape of the cushion 270 and the box members 288 and 290 surrounds the entire user's head so as to provide a cushion regardless of the position of the user's head.
- the user When use of the headrest is no longer desired, the user simply exerts a pushing force on the end portion 272 of the cushion 271 which causes a reverse operation in which the ends 302 of the side cushions 274 and 276 slide through the interior of the second box member 290 until the laterally extending end portion 272 of the headrest 270 engages the flanges 300 on the second box member 290 .
- This engagement and continued inward pushing force by the user then causes the second box member 290 to move with the headrest 270 through the interior of the first box member 288 until the end portion 272 of the cushion 271 engages the second flanges 294 on the first box member 288 .
- FIGS. 19-23 there is depicted another aspect of a headrest 330 which is extensibly mounted within the seat back 220
- the headrest 330 is shown as being in the form of a continuous U-shaped member only by way of example as having cushion 36 with a portion 327 and two side portions 328 and 329 .
- the headrest 330 may also be in the form of a single side cheek cushion of linear, slightly curved or J-shaped, or two side cushions of like, minor image shape.
- the seat back 220 has a configuration similar to that shown in FIGS. 15-18 and includes the recess 286 formed in the upper portion of the front surface 232 of the seat back 270 .
- Opposed apertures 332 are formed within the interior of the recess 286 and open to the interior of the seat back 220 .
- the headrest 330 extensibly and retractably moves on a slide mechanism denoted generally by reference number 340 .
- the slide mechanism includes a lower track 342 and a slidably engaged upper slider 344 which is fixedly connected to and supports the end portion of the sides 328 and 329 of the cushion 326 .
- the lower track 342 which may be formed of rigid, high strength plastic, metal or other suitable seat construction materials, has a bottom 346 , a pair of opposed sides 348 and 350 and inward extending upper flanges 352 and 354 which are formed as an integral part or extension of the respective sides 348 and 350 .
- the inner edges 356 and 358 of the upper flanges 352 and 354 are spaced apart to form a slot 360 which runs longitudinally along the entire length of the upper flanges 352 and 354 .
- the bottom 346 includes an extension 362 which projects from one end of the sides 348 and 350 and the inward extending flanges 352 and 354 .
- a recess 364 is formed substantially over the entire length of the bottom 346 of the lower track 342 .
- the recess 364 is defined by a slot-like aperture 368 formed by upper inward extending flanges 370 and 372 .
- the inner ends of the upper flanges 370 and 372 are spaced apart to define a slot 374 which runs along the length of the recess 364 .
- the upper slider 344 is slidably disposed within the interior of the sidewalls 348 and 350 and the inward extending flanges 352 and 354 of the lower track 342 .
- a portion of the upper slider 380 projects through the slot 360 formed between the inner spaced edges 356 and 358 of the flanges 352 and 354 .
- the upper slider 344 includes a central stem 382 from which projects a pair of longitudinally and oppositely extending upper flanges or lobes 384 and 386 and an opposed pair of longitudinally and oppositely or outwardly extending lower flanges or lobes 388 and 390 .
- the lower flanges 388 and 390 slide within the opening extending above the bottom 346 and within the inner surface of the sides 348 and 350 and below the upper flanges 352 and 354 of the lower track 342 as shown in FIG. 22 .
- a portion of the central stem 382 projects through the slot 360 formed between inner edges 356 and 358 of the upper flanges 352 and 354 to position the upper flanges 384 and 386 above the upper flanges 352 and 354 of the lower track 342 .
- the dimensions of the lower track 342 and the slider 344 are selected to provide a snug but freely movable fit.
- a friction fit maybe provided to enable the upper slider 344 to be pulled out any desired distance relative to the lower track 346 and remain in a relatively stable position.
- the front end portion of the headrest 330 When the headrest 330 in the fully retracted position, the front end portion of the headrest 330 will be substantially disposed within the recess 286 and substantially flush with the front surface 232 of the seatback 220 .
- the user grasps the end portion 327 and pulls outward away from the seat back 220 .
- This outward movement causes the upper slider 344 to slide along the lower track 342 until the headrest 330 reaches the fully extended position shown in FIG. 19 .
- the headrest 330 may be disposed in any intermediate position between the full retracted position and the fully extended position.
- An internal stop may be coupled between the upper slider 344 and the lower track 342 to limit sliding movement of the upper slider 344 in a forward direction relative to the lower track 342 to prevent the headrest 330 from being pulled completely out of the slide mechanism 340 .
- a reverse operation using an inward pushing force causes the headrest 330 to move to the fully retracted position within the recess 286 in the seat back 220 .
- FIGS. 21 , 22 and 23 depict a modification to the slide mechanism 340 which enables a downward pivoting of the cushion 326 when the cushion 326 is in the fully extended position to accommodate shorter height users of the seat, such as small children.
- the modification utilizes the recess 364 formed in the lower track 342 and a pivot member, such as a hinge 380 , formed of a first hinge leaf 382 and a second hinge leaf 384 pivotally connected by a pivot pin 386 .
- the first leaf 382 is fixedly connected to the bottom surface of the upper slider 344 .
- the second hinge leaf 384 slides within the recess 364 and is captured within the recess 364 by the inward facing flanges 370 and 372 in the lower track 342 .
- the first and second hinge leaves 382 and 384 will be in a collapsed position either in contact with each other or in non-contacting, but overlaying position. This allows normal sliding movement of the upper track 344 and the headrest 330 along the length of the lower track 342 between the retracted or extended positions.
- a downward force can be exerted on the end 327 of the cushion 326 .
- This downward force causes the hinge leaves 382 and 384 to separate, with the first hinge leaf 382 pivoting away from the second hinge leaf 384 which is held captured within the recess 364 in the lower track 342 .
- This causes the entire headrest 330 to pivot about the hinge pin 386 bringing the front end portion 327 of the cushion 326 at a downward angle and at a lower position relative to the top edge of the seat back 220 to accommodate shorter height seat users, especially smaller children.
- the headrest 330 is first pivoted upward bringing the upper slider 344 in line with the lower track 342 .
- the upper slider 344 and the headrest 330 are then slid inward along the length of the lower track 342 , as described above, until the fully retracted position is reached.
- FIG. 24 Another aspect of a headrest 400 is shown in FIG. 24 .
- the headrest 400 is similar to the headrest 40 shown in FIGS. 1-5 .
- the headrest 400 can be constructed as a single, one piece headrest, including two pairs of mounting members 40 and 42 each of which includes a cross piece 44 spanning the top edge 26 of the seatback 30 .
- the front mounting plates 46 of each pair of mounting plates 40 and 42 carry the hinges 70 with the first hinge leaf 72 fixed to the mounting plate 46 and the second hinge leaf 74 carrying the rod 62 attached to the cushion 64 .
- the pairs of mounting members 40 and 42 maybe separate with each carrying a single linear, curved or J-shaped cushion or a single cushion, such as cushion 64 may extend between the hinges on the front mounting plates of each pair of mounting plates 40 and 42 .
- the hinge 70 is configured to allow pivotal movement of the cushion 64 from a first angular use position supporting the head, such as the side of the cheek, chin or forehead of a person seated within the seat to a second non-used position shown in phantom in FIG. 24 by reference number 402 .
- the second position 402 places the cushion 64 in a substantially vertically extending position relative to the seatback 30 . This allows easy ingress and egress of the person to and from the seat. Once the person is seated in the seat, the cushion 64 may be easily pivoted from the non-use position 402 to the first use position shown in solid in FIG. 24 .
- FIG. 25 A similar hinged pivotal connection is provided for the headrest 410 shown in FIG. 25 .
- the headrest 410 is similar to the headrest shown in FIGS. 9-11 in which the hinge 70 is connected to a rod which is insertable into a bore formed in the front surface 32 of the seat 22 .
- the hinge 70 in a first use position in which the cushion 188 is angularly disposed with respect to the front surface 32 of the seatback 22 disposes the cushion 188 .
- the headrest 410 may also be configured as a single side headrest in which the cushion 188 has a linear, curved or J-shape for supporting only one side of a user's head or formed of two separate plug-in hinge assemblies, which are interconnected by a single U-shaped cushion 188 .
- the hinge or hinges 70 allow the cushion 188 to be pivoted from the first use position shown in solid in FIG. 25 to a second non-use position 412 shown in phantom in FIG. 25 .
- the cushion 188 In the second non-use position 412 , the cushion 188 is disposed at a substantially vertically extending orientation with respect to the front surface 32 of the seatback. This allows easy ingress and egress of a person to and from the seat.
- the cushion 188 maybe pivoted from the second non-use position 412 back to the first use shown in solid in FIG. 25 to support a portion of the head the user.
- FIG. 26 there is depicted another aspect of a headrest 420 which mounts in the bores 422 and 424 , extending inward into the seat 22 from the top edge 26 of the seatback 30 .
- the bores 422 and 424 are normally used to receive the pair of posts on the standard seat headrest cushion which mounts on the top edge 26 of the seatback 22 for collision safety of the seat occupant.
- the headrest 420 is illustrated, by example only, as using the cushion 40 in the front plates 46 of the mounts 40 and 42 shown in FIGS. 1-5 . It will be understood that the cushion 90 and 92 shown in FIG. 6 may also be employed with the single mounting plate 46 for one side support of a user's head.
- the mounting plates 46 are fixedly secured together into an integral assembly by means of a cross member 430 which extends laterally between and is secured to each mounting plate 46 by suitable means, such as mechanical fasteners, adhesive, welding, etc.
- a pair of posts 432 and 434 (with it being understood that only a single post 432 or 434 is used with a single side cushion, such as the cushion shown in FIG. 6 ), are fixed to and extend downward from the cross member 430 .
- the post 432 and 434 are designed to fit into and removably slide into the bores 422 and 424 extending inward from an opening in the top surface 26 of the seatback 22 .
- the bores 422 and 424 are those used with the conventional seat headrest.
- the cushion 64 can be secured to the mounting plates 46 in a permanent angular position, such as that shown in FIG. 26 , which is depicted by way of example only, or other angular configurations, essentially at smaller acute angles with respect to the front surface 32 of the seatback 22 .
- the cushion 64 may be connected to the mounting plates 46 by a pivotal connection including the hinges 70 as described in previous aspects of the present headrest.
- the hinges 70 allow pivotal movement of the cushion 64 from the first use position shown in FIG. 26 to a non-use position, similar to the non-use positions of the cushions shown in FIGS. 24 and 25 , in which the cushion 64 extends in a substantially vertical position relative to the front surface 32 of the seatback 22 .
- the conventional seat headrest is removed and the post 432 and 434 of the headrest 420 inserted into the bores 422 and 424 of the seatback 22 .
- the cushion 64 is moved to the desired first or second positions.
- the headrest 420 can remain in position in the seatback 22 for as long as user desires to employ the headrest 420 .
- the entire headrest 420 can be removed from the seatback 24 in the standard seat headrest reinserted into the bores 422 and 424 .
- the headrest 460 has a shape substantially complimentary to the shape of the outer edge of a conventional vehicle seat head restraint 450 .
- the head restraint 450 typically includes an inner support 454 from which one or two posts 456 and 458 extend for removably insertion into the open ends 422 and 424 of sleeves or bores formed in the upper edge 26 of the seatback 22 .
- a head restraint body 452 is formed about the head restraint pad 454 by foam, padding, etc., to fixedly attach the head restraint body 452 to the pad 454 .
- the head restraint body 452 has a smoothly curved, generally U-shaped outer edge. It will be understood that the outer edge of the head restraint body 452 may take other shapes, such as a rectangular shape, for example.
- the cushion 460 which is formed in the same manner as the previously described cushions, has a shape substantially complimentary to the shape of the outer edge of the head restraint body 452 , or a generally U-shape in the present example of the head restraint 450 .
- the cushion 460 includes a pair of opposed side legs 462 and 464 which extend from respective lower ends in a smoothly curved arc through an interconnecting central end portion 466 . It will be understood that the lower end portions of the sides of the outer edge of the head restraint body 452 and the side legs 462 and 464 of the cushion 460 may have an initial straight portion extending from the lower ends before smoothly curving and transitioning into the arcuate central end portion 466 .
- the cushion 460 is movably coupled to the head restraint body 452 for angular positioning between a first non-use position shown in FIG. 26 in which the cushion 460 substantially overlays the outer edge of the head restraint body 452 to any of a plurality of selected use positions, only one of which is shown in phantom in FIG. 27 .
- the pivotal action is provided by a pair of cushion connectors or pivots 470 and 472 located adjacent the lower ends of the side legs 462 and 464 of the cushion 460 and the lower ends of the opposed sides of the head restraint body 452 .
- FIG. 28 One example of the pivot 470 is shown in FIG. 28 .
- a pair of receivers or pin mounts 474 and 476 are respectively fixed in the head restraint body 452 and the side leg 462 of the cushion 460 .
- the mounts 472 and 474 maybe adhesively or otherwise fixedly mounted in the cushion 460 of the head restraint 452 .
- a pivot pin 476 is mounted in co-axial bores formed in the mounts 472 and 474 .
- the pin 476 maybe a solid pin or the pin 476 maybe formed of outwardly spring biased telescopingly coupled sections to enable the pin 476 to be compressed to a smaller length for mounting in the receivers 472 and 474 on opposite sides of the head restraint 450 and the cushion 460 .
- the cushion 460 can be angularly pivoted from the first position shown in solid in FIG. 28 to any desired stationary use position, such as the one shown in phantom in FIG. 27 , by means of a tight friction fit between the lower inner portions of the side legs 462 and 464 of the cushion 460 and the adjoining portions of the outer edge of the head restraint body 452 .
- the mounts 472 and 474 and to the pivot pin 476 in the pivots 470 and 472 may be provided with a plurality of angularly spaced detents, as previously described, to provide one or more angularly spaced use positions for the cushion 460 .
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A headrest includes at least one seat back mounting member and a connector coupling a cushion to the mounting member. A hinge may be coupled to the connector to movably deploy a cushion between a first use position for supporting a portion of a user's head and second substantially vertically extending non-use position. Alternately, the headrest may be mounted in the conventional seat headrest top edge bores. Further, the headrest may have a shape complimentary to the shape of the outer edge of a seat head restraint. The headrest is pivotally coupled to the head restraint for movement from a nonuse position overlaying the outer edge of the head restraint to one or more use positions angularly disposed in a forward facing direction relative to the front face of the head restraint.
Description
- This application is a continuation-in-part of co-pending U.S. patent application Ser. No. 12/946,109, filed Nov. 15, 2010, for Seat Back Headrest, the entire contents which are incorporated herein by reference.
- In order to alleviate the neck strain associated with a person trying to sleep while seated in a seat, such as a vehicle seat, airplane seat, train seat, etc., and maintaining his or her head in a generally upright, vertical position, a variety of different headrests have been devised for supporting a portion of the user's head, such as each side cheek or in a fully face encircling manner.
- Maintaining a sleeping person's head in a generally upright position while the person is sleeping in a seat is particularly important from a safety standpoint for small children who frequently fall asleep while riding in a vehicle, airplane, or train.
- The various devised headrests are either designed as part of the vehicle head restraint or are portable and removably attachable to the seatback for deployment and use. However, the previously devised headrests are either cumbersome or unsightly to deploy and attach to a seat back or, do not have easily adjustable positions to enable use of the headrest with different sized individuals or with children as the children grow.
- It would be desirable to provide a seat headrest which overcomes these difficulties and provides ease of attachment and ease of adjustability.
- A seat back headrest is mountable on a seat back for supporting a portion of a user's head when seated in the seat.
- In one aspect, the headrest includes:
- A seat back mounting member invertingly mountable over a top edge of a seat back in one of first and second positions.
- A cushion is adapted to support the weight of a portion of a user's head.
- A cushion connector couples the cushion to the mounting member.
- The cushion connector is movable between a first position when the mounting member is in a first position on the seat back and a shifted second position when the mounting member is in the second positions on the seat back to orient the cushion in one of first and second positions relative to the seat back.
- The cushion can be a single cushion for supporting a side of a user's head or a continuous cushion extending between two ends coupled to two seat back mounting members for supporting either side or a front portion of the user's head.
- In one aspect, the cushion connector includes:
- A hinge having first and second pivotally connected hinge portions, the first hinge portion fixedly coupled to the mounting member; and the second hinge portion being pivotally movable from a first position relative to the first hinge member when the mounting member is in the first position on the seat back and a second position relative to the first hinge portion when the mounting member is in the inverted second position to deploy the cushion in one of two angular positions relative to the seat back. The hinge has a generally horizontally extending pivot axis when mounted on the seat back. In another aspect a flexible rod having a portion carrying the cushion and a mounting portion engagable with a seat back. The rod is a flexible rod capable of bending to a different shape.
- The rod may have an inverted generally U-shaped channel between a pair of seat back engagement portions.
- In another aspect, the rod has a pair of mounting portions coupled to opposite ends of the rod, the cushion extending substantially between the pair of mounting portions on the rod. Interlocking portions are carried on the two free ends of the connector for releasably locking a connector about a seat back.
- In another aspect, a combination of a vehicle seat and a headrest includes:
- In combination a vehicle seat having a generally upright seat back with an upper end, opposed side edges, a front surface and a back surface, and a headrest. At least one bore extending into the seat back from an open end at the front surface of the seat back, a portable headrest having a connector releasibly mountable in the bore in the seat back and a cushion carried by the connector for weight bearing support of a seat user's head.
- In a modification of this aspect, the at least one bore includes two generally horizontally spaced bores formed in the seat back, each extending from an open end at the front surface of the seat back. Another connector removable in one of the bores in the seat back and a cushion carried by the connectors for weight bearing support of a seat user's head.
- A separate cushion may be coupled to each connector. Alternately, a single cushion may be coupled to both connectors.
- The connector may include a hinge having first and second pivotally connected hinge portions, the first hinge portion fixedly coupled to the connector; and the second hinge portion coupled to the cushion and pivotally movable from a first position relative to the first hinge member when the mounting member is in the first position on the seat back and a second position relative to the first hinge portion when the mounting member is in the inverted second position to deploy the cushion in one of two angular positions relative to the seat back.
- In one aspect, the one bore and the seat back extends substantially horizontally into the seat back. In another aspect, a second is disposed in the seat back at a down extending angle relative to the first bore. The two different angled bores allow selective insertion of the cushion connector therein for disposing the cushion at different angles relative to the seat back.
- In another aspect, a combined vehicle seat and headrest includes a recess formed in the front surface of the seat back; and a cushion movable mountable in the recess for movement between a retracted position wherein the cushion is disposed in the recess in the seat back to at least one forward extending use position for weight bearing support of a seat user's head.
- Alternately, a spring biased detent pin fixedly carried by the seat back; and a plurality of circumferentially spaced detents carried on a member fixed about a pivot axis of the cushion for movable positioning of the cushion between a plurality of use positions defined by the detents.
- In another aspect, extension members telescopingly engage each other and one end of the cushion to provide extensible movement of the cushion relative to the seat back. Alternately, one or both cushion ends are mounted on sliders movable within a fixed track in the seat back for extension and retraction movement.
- In another aspect, the cushion connector is movable between a first use position for supporting a portion of a user's head in a second substantially vertically extending, non use position allowing ingress and egress to the seat.
- In yet another aspect, the mounting members coupled to the cushion connectors carry a post which is removably.
- In another aspect, the cushion has a shape complimentary to the outer shape of the conventional seat head restraint. The generally U-shaped cushion is pivotal about the lower ends of the two side legs for movement between a non-use position substantially overlaying the outer edge of the head restraint to an angular use position wherein the U-shaped cushion is disposed at a forward facing angle relative to the head restraint and the seatback. The cushion maybe adjusted to any desired angle relative to the head restraint, including an angular position greater than 90° to enable the cushion to be used with by small children.
- The various features, advantages and other use of the present invention become more apparent by referring to the following detailed description and drawing in which:
-
FIG. 1 is a perspective view of one aspect of a seat back head rest; -
FIG. 2 is an enlarged perspective view of the head rest shown inFIG. 1 ; -
FIG. 3 is a further enlarged view of one portion of the headrest of claim 1 shown in an inverted position; -
FIG. 4 is a side elevational view of one portion of the headrest shown inFIG. 1 deployed in a first employed position; -
FIG. 5 is a side elevational view of one portion of the headrest shown inFIG. 1 deployed in a second employed position; -
FIG. 6 is a modification of the headrest shown inFIG. 1 ; -
FIG. 7A is a perspective view of another aspect of a headrest; -
FIG. 7B is a side elevational view of a modification to the headrest shown inFIG. 7A ; -
FIG. 7C is a side elevational view of another medication to the headrest shown inFIG. 7A ; -
FIG. 8 is a perspective view of another aspect of a headrest; -
FIG. 9 is a perspective view of another aspect of a headrest; -
FIG. 10 is a side elevational view of a headrest shown inFIG. 9 depicted in a first deployed position; -
FIG. 11 is a side elevational view of a headrest shown inFIG. 9 depicted in a second deployed position; -
FIG. 12 is another aspect of a headrest; -
FIG. 13 is a perspective view of another aspect of a headrest; -
FIG. 14 is a cross-sectional view generally taken along lines 14-14 inFIG. 13 ; -
FIG. 15 is a perspective view of another aspect of a headrest depicted in a recessed, non-use position; -
FIG. 16 is a cross-sectional view generally taken along line 16-16 inFIG. 15 ; -
FIG. 17 is a perspective view of the headrest shown inFIG. 15 deployed in an extended, use position; -
FIG. 18 is a cross-section view generally taken along line 18-18 andFIG. 17 ; -
FIG. 19 is a perspective view showing another aspect of a headrest deployed in a partially extended use position; -
FIG. 20 is side cross-sectional view of the headrest shown inFIG. 19 ; -
FIG. 21 is an enlarged, perspective view showing the lower track of the headrest depicted inFIG. 20 ; -
FIG. 22 is an end view of the slide mechanism for the headrest shown inFIG. 20 ; -
FIG. 23 is a side cross-sectional view showing another aspect of the headrest ofFIG. 20 depicted in a deployed position; -
FIG. 24 is a side elevational view of another aspect of a headrest, showing a modification to the headrest depicted inFIG. 5 ; -
FIG. 25 is a side elevational view of another aspect of a headrest showing a modification to the headrest depicted inFIG. 11 ; -
FIG. 26 is a perspective view of another aspect of a headrest; -
FIG. 27 is a perspective view of another aspect of a headrest integrally mounted on a seat head restraint; and -
FIG. 28 is a cross-sectional view generally taken along line 28-28 inFIG. 27 . - Referring now to the drawing and to
FIG. 1 in particular, there is depicted one aspect of a headrest usable on aseat 20. By way of example only, theseat 20 may be any type of seat, such as vehicle seat, an airplane seat, a train seat or a seat used in an office, work space or home. Theseat 20 has a seat back 22 and aseat bottom 24. Depending upon the application, the seat back 22 may be rigidly fixed to the seat bottom 24 or may be pivotal from in a more generally upright position shown inFIG. 1 to an angled position over theseat bottom 24. - For purposes of the following description, the seat back 22 includes a
top edge 26, opposed side edges 28 and 30, afront surface 32 and an opposedrear surface 34. - One aspect of a
headrest 40 is shown inFIGS. 1-5 . Theheadrest 40 is designed as a portable headrest for removable mounting over thetop edge 26 of the seat back 22. Theheadrest 40 includes one or a pair of mountingmembers members top edge 26 of the seat back 22 and are in substantial contact with thefront surface 32 and therear surface 34 of the seat back 22. - By way of example only, each mounting
member seat engagement member 46 in a form of a planar plate and a like rearseat engagement member 48, also in the form of an enlarged planar plate. The large surface area of the front andrear plates headrest 40 on the seat back 22. - A
strap 50 is fixed to and interconnects the front andrear plates strap 50 may be a single strip of plastic or metal material which is integrally formed with or attached to the front andrear plates - Alternately, the
strap 50 may be formed of two members, one attached to each of the front andrear plates strap 50 to be telescopingly elongated or reduced in length so as to vary the spacing between the front andrear plates members seatback 22. - For purposes of the following description of the use and operation of the
headrest 40, in the first mounting or use position where the mountingmembers top edge 26 of the seat back 24, thefront member 46 has anupper edge 52 and alower edge 54. Similarly, the rear plate ormember 48 of each mountingmember upper edge 56 and alower edge 58. - As shown more clearly in
FIGS. 3-5 , theupper edges rear plates strap 50 on thetop edge 26 of the seat back 22. In the illustrated mounting position, shown inFIG. 4 , thelower edges rear plates top edge 26 of the seat back 22. - A
cushion connector 60 is affixed to thefront plate 46 of each mountingmember cushion connector 60 includes awire rod 62, formed of plastic, metal, etc., which extends into or is otherwise affixed to one end of acushion 64. - A
hinge 70 is formed as part of thecushion connector 60. Thehinge 70 includes first and second hinge portions or leaves 72 and 74. The first hinge portion orleaf 72 is fixedly attached by adhesive, integral molding fasteners to thefront plate 46, etc. It will be understood that thefirst hinge leaf 72 may also constitute part of thefront plate 46 itself. As is conventional, thefirst hinge leaf 72 includes a plurality of cylindrical, hollow spacedsleeves 76 adapted for receiving ahinge pin 68. - The
second hinge leaf 74 also includes a plurality ofcylindrical sleeves 78 which are linearly spaced apart and intermeshed with thesleeves 76 on thefirst hinge leaf 72 for receiving thepivot pin 68 therethrough and forming a pivot axis which extends in a substantially horizontal orientation when theheadrest 40 is mounted over thetop edge 26 of the seat back 22. - In this aspect, as shown in
FIG. 3 , therod 62 is fixedly attached to one of thecylindrical sleeves 78 on thesecond hinge leaf 74, such as the centralmost sleeve 78. This causes therod 62 to pivot with movement of thesecond hinge leaf 74 as described hereafter. - A
stop 80, shown inFIG. 3 , is fixed at one end to thesecond hinge leaf 74 and extends to an opposite free end adapted to abut one of thecylindrical sleeves 76 on thefirst hinge leaf 72 to limit the open pivotal movement of thesecond hinge leaf 74 with respect to thefirst hinge leaf 72 to a predetermined angle as shown inFIG. 3 . -
FIG. 3 depicts a first mounting position of theheadrest 40 on the seat back 22. In this position of theheadrest 40, thesecond hinge leaf 74 will pivot by gravity and the weight of thecushion 64 to the angularly open position angularly spaced from thefirst hinge leaf 72. This causes therod 62 to orient thecushion 64 in a substantially horizontal position as shown inFIGS. 1 and 4 with respect to the seat back 22 and theseat bottom 24. This position of thecushion 64 would be suitable for adults or older children. - For smaller height individuals, such as children the
headrest 40 can be inverted 180° from the mounting position shown inFIGS. 1 and 2 by flipping the mountingmembers member 44 is in the prior position of the mountingmember 42 on the seat back 22 as shown inFIG. 5 . When the mountingmembers top edge 26 of the seat back 22, the weight of thecushion 64 will cause asecond hinge leaf 74 to pivot about thepivot pin 68 until it is disposed in close abutment or engagement with thefirst hinge leaf 72. This collapsing movement of thehinge 70 causes therod 62 and thecushions 64 to pivot in a downward direction relative to the seat back 22 to a smaller acute angle with respect to the seat back 22. This lowers the sides and front of the portions of thecushion 64 for shorter height individuals. - It should be noted that the
cushion 64 can take a variety of shapes, such as the general by U-shape shown inFIGS. 1 and 2 . TheU-shaped cushion 64 defines a smoothly curved semi-circle includingopposed side portions front end portion 69. The free ends of theside portions rods 62 on the mountingmembers FIGS. 1 and 2 . Alternately other shapes are possible for thecushion 64, such as a D shape, oval, triangular, etc. - Alternately, as shown in
FIG. 6 ,individual cushions rod 62 on each of the mountingmembers cushions cushions FIG. 6 , by exampled, as having a general J-shape. Free ends 94 and 96 of thecushions - Alternately, the
cushion - The
cushions - Referring now to
FIG. 7A , there is depicted another aspect of aheadrest 120. In this aspect, the mounting member and the cushion connector are formed of a single pre-shaped orbent rod 122. Therod 122 can be made of any suitable material, such as moldable plastic as well as plastic covered metal, etc. Therod 122 is bent or pre-shaped into a mounting portion including first and second mountinglegs front surface 32 and therear surface 34 of the seat back 22. Each mountingleg rod 122 for stability and adjustability. Anend portion 128 of therod 122 is disposed within acushion 130 for supporting thecushion 130 on the mountingrod 122. - As in previous aspects of the present headrest, the
cushion 130 may take a variety of shapes, including straight, slightly curved, or the J-shape shown by way of example inFIG. 7A . - An enlarged pad or
plate 132 is fixed to thefront mounting leg 124 to provide an enlarged surface area for securely supporting theheadrest 122 on the seat back 22. Depending on the materials used to form therod 122 and thepad 132, welding, adhesive, fasteners, or other joining techniques may be employed to fixedly join thepad 132 to thefront mounting leg 124. - Where the
rod 122 is made of a flexible metal, thefront end portion 124 of therod 120 due to angled, two part form of the front mountingleg 122 maybe easily bent in a downward position to lower the angle of thecushion 130 relative to the seat back 22 as byreference number 24 shown in phantom inFIG. 7A . This enables the position if thecushion 130 to be adjusted to suit the height of the user of the seat. - Another aspect of the
wire connector 122 is shown inFIG. 7B . In this aspect of the headrest, thesecond leg 126 shown inFIG. 7A is replaced by an initially shaped straight portion with theconnector portion 122. Aform 125 having an internal bore size to slidably fit the form over the end of 123 of therod 122 is provided with anedge 125A. - In use, with the
end portion 123 of therod 122 extending perpendicularly away from the rear surface of the seat back 27, which has a smaller thickness than the seat back 22 shown inFIG. 7A , theform 125 is slid over theend portion 123 of therod 122 until theend 125A of theform 125 abuts the rear edge of the seat back 27. Theform 125 is then used to bend thefree end 123 of therod 122 in a downward position until the form and/or thefree end 123 of therod 122 is bent at a downward extending angle relative to the connector portion of the rod 122 a lane over the top edge of the seat back 27 to snugly conform therod 122 to the shape and thickness of the seat back 127. - Another modification to the
wire connector 122 is shown inFIG. 7C . In this aspect of the headrest, therod 122 also has the straight rearward extendingportion 123. Rather than bending therod 122 around the top edge of the seat back 27, aclip 129 is provided. Theclip 129 is formed of a spring material, such as a spring steel or plastic and has a V-shape formed with first and second angularly disposedlegs apertures legs free end 123 of therod 122. - In use, after the
rod 122 is mounted over the top edge of the seat back 127, theapertures clip 129 are slid over the free end of therod 122 by bending thelegs clip 129 together. This coaxially aligns theapertures clip 129 over thefree end 123 of therod 122. Theclip 129 is slid along the length of thefree end 123 until theleg 131 contacts the rear surface of the seat back 27. The force holding the end of thelegs legs FIG. 7C . This moves theapertures legs apertures end portion 123 of therod 122 to forcibly hold theclip 129 on the rod and thereby the entire mounting member and cushion 130 on the seat back 27. - This arrangement allows easy adaptability of the mounting member to any thickness seat back. The
free end 123 extending rearward of theclip 129 can be covered a cushion, such as theform 125 shown inFIG. 7B . Alternately, user of the mounting member with theclip 129 can be reserved for seat backs in the rear seat of a vehicle, such as the rear most seat of a mini van or SUV or the rear seat of a vehicle having only front and rear seats. -
FIG. 8 depicts another aspect of aheadrest 140 which can be considered a modification of the aspect shown inFIG. 7A . Theheadrest 140 shown inFIG. 8 includes a firstseat mount member 142 and a secondseat mount member 144. Theseat mount members end portion 146 engagable with oneend cushion 152 and a mountingleg portion 154 formed of a U-shaped bend in arod 156. Anenlarged pad leg 154 in each mountingmember front surface 32 of a seat back 22. - The
rod 152 is formed as a continuous member with freely movablesecond end portions enlarged pads front surface 32 of the seat back 22 and then the free ends 158 and 160 of therod 156 looped around the head restraint or upper portion of the seat back 22 and interlocked to secure theheadrest 142 on theseat 20. - If the
rod 152 is formed of a flexible material, such as a flexible metal, not only can the angle of theend portions 146 of therod 156 be changed to vary the angle of thecushion 152 relative to the seat back 22, but thefree end portions rod 156 may also be bent to any desired shape to fit theheadrest 142 securely about the upper portion of any size or shape seat back 22. - Another aspect of a headrest is shown in
FIGS. 9-11 in which the headrest is integrally coupled to the seat back 22. - In this aspect, the seat back 22 is formed with a
hollow bore 180 which maybe contained within arigid cylinder 182 fixedly mounted in the upper portion of the seat back. Thebore 180 in thecylinder 182 has an open end through thefront surface 32 of the seat back 22. - The
hinge members 46 androds headrest 40 shown inFIG. 2 are also employed in this aspect of the headrest. Anadditional rod 184 extends from afirst hinge leaf 72 and is removably insertable into thebore 180 in thecylinder 182 mounted in the seat back 22. Therods cushion 190. Thecushion 190 is shown by example only as being a continuous semi-circular cushion extending between each of therods rod FIG. 6 . - When the
rods 184 coupled to thehinge members 46 are inserted into thebores 180 in the seat back 22 in a first orientation, shown inFIG. 10 , thesecond hinge leaf 74 will pivot to an open position, angularly spaced from thefirst hinge leaf 72 to orient thecushion 190 in a substantially horizontal position relative to the seat back 22. - The
rods 184 may be removed from thebores 180 in the seat back 22 and theentire head rest 188 inverted as shown inFIG. 11 before therods 184 are reinserted into thebores 180 of the seat back 22. In this orientation, thesecond hinge leaf 74 pivots into close proximity to or in contact with thefirst hinge leaf 72 thereby dropping thecushion 190 to a smaller acute angle relative to the seat back 22 then when the mounting members are in the opposite position shown inFIG. 10 . - The varying angular position of the
cushion 190 may also be achieved by employing two pairs ofcylindrical members FIG. 12 , on one side or both sides of the upper portion of the seat back 22. The secondcylindrical sleeve 192 is angled at a more downward angle then the generally horizontally disposedsleeve 182. Therods 62, which do not have thehinge members 46, may then be simply inserted into the bores in eithercylindrical sleeve cushion 190 at the desired one of two angular positions relative to the seat back 22 to accommodate the height and size of the user of the seat. - Another aspect of a headrest is shown in
FIGS. 13 and 14 . In this aspect, a seat back 222 of aseat 220 has arecess 224 formed along the upper portion of the seat back 22 and extending inward into the seat back 222 from thefront surface 232. Therecess 224 may have an inverted U-shape to accommodate a continuous semicircularU-shaped cushion 230 shown by way of example inFIG. 13 . In the case of only a single side cushion or a pair of separate side cushions which are independently movable relative to other, therecess 224 would have a shape complimentary to the shape of the cushions employed in the headrest. - The
cushion 230 is formed with a pair ofopposed side arms end segment 236. Apivot pin arm cushion arms pins entire cushion 230 can pivot. - The pivot connections provided by the pivot pins 238 and 240 on the
arms cushion 230 enable thecushion 230 to be pivoted from a first position, shown in solid inFIGS. 13 and 14 in which thecushion 230 is completely seated in therecess 224 in the seat back 222 thereby forming an integral part of the seat back 222. Thecushion 230 can be easily pivoted by hand force from the retracted position shown inFIG. 13 to a first deployed position shown in phantom byreference number 242 inFIG. 13 . Although this first deployedposition 242 of thecushion 230 is shown as being substantially perpendicular to the seat back 22 or parallel to theseat bottom 224, it will be understood that the bottom edge of therecess 224 can be angled downward a greater amount to allow further pivoting movement of thecushion 230 below the horizontal to a more angled position relative to the seat back 232. - Alternately, an electric motor can be coupled to the
side arms cushion 230 through activation of a remotely located control switch. - In a modification to this design shown in
FIGS. 13 and 14 , a detent mechanism is mounted in the seat back 222 and thecushion 230 to provide discrete angular positioning of thecushion 230 in one of several distinct deployed positions. The detent mechanism includes a spring basedpin 244 projecting from the seat back 222 into therecess 224. A cylindrical disc is mounted in each cushion arm end around the pivot pins 238 and 240 and carries a plurality of circumferentially spaced detent recesses labeled A, B, and C. When thecushion 230 is rotated so that thepin 244 engages detent recess A, thecushion 230 will be in the full retracted position within therecess 224. However, hand force on thecushion 230 can easily pull thecushion 230 from therecess 224 and rotate thecushion 230 until thepin 244 engages detent recess B. This defines the first angular deployed position of thecushion 230. Further downward force on thecushion 230 will cause thecushion 230 to rotate about the pivot pins 238 and 240 until thedetent pin 244 engages the detent recess C to provide a lower angled deployed position C of thecushion 230. - Further, it is possible to connect extensible and retractable devices, such as electric motor driven linear rods or extensible and retractable fluid operated cylinders, to the pivot connections at the ends of the
side arms cushion 230. The extensible and retractable devices which are operated simultaneously from a vehicle occupant activated switch, similar to switches used to control the up and down movement of the vehicle windows, enable theentire cushion 230, after the cushion has been moved at least partially out of the recess in the seat back 232, to be elevated from the lowermost position shown inFIG. 13 to a more elevated or vertical spaced position so as to selectively position theentire cushion 230 at the desired height for the particular size occupant of theseat 220. - The extensible and retractable mechanisms are operated in a reverse manner to lower the pivot connections at each of the
side arms FIG. 13 prior to pivotal movement of thecushion 230 in an upward direction into the recess in theseatback 232. - Referring now to
FIGS. 15-18 there is depicted another aspect of aheadrest 270. As with previous aspects of the present headrest, theheadrest 270 includes acushion 271 depicted has having a generally U-shape formed of acentral end portion 272 which transitions into angularly disposedside cheek portions headrest 270 may alternately be in the form of a single side cheek which may have a linear shape, a slightly curved or arcuate shape, or a J-shape having a side cheek portion and a partial front end which may extend into close proximity or contact with the end of a mirror image J-shaped side check portion mounted in the seat back 220. A single J-shaped cushion may be employed all by itself on one lateral side of the seat back 220. - A
recess 286 is formed in the seat back 220 opening from an open end at thefront surface 232 of the seat back 220. Therecess 286 has a depth suited for completely receiving the entire depth of theend portion 272 of thecushion 271 when thecushion 271 is in the fully retracted position. -
Apertures recess 286. Theapertures receptacles - It will be understood that in a case of a headrest in the form of a single side cheek cushion, only one
aperture seatback 232. - By way of example only, a slide mechanism is mounted in the seat back 220 in the form of one or multiple box members, with two
box members headrest 270. Thebox members 288 may have any suitable cross-section, such as square, rectangular, circular, etc. Eachbox member 288 has a one or morefirst end flange 292 which extend laterally outward from the longitudinal center line of thebox member 288 and opposedsecond flanges 294 which extend inward into the interior of the box member. Thebox member 288 has a hollow interior size for receiving thesecond box member 290 or, in the case of the use of only thesingle box member 288, the end of one of theside cushion portions cushion 271. Thebox member 280 has asidewall 296 which extends between theflanges - The
flanges cross-section box member flanges box members - The
second box member 290 has shape complimentary to the shape of thefirst box member 288, but with a smaller diameter or width dimension so that the flange orflanges 298 at a first end of thesecond box member 290 nest within the interior of thefirst box member 288 and are engageable with thesecond flanges 294 on thefirst box member 288 when the first andsecond box members FIGS. 17 and 18 . - The
second box member 290 includes a second flange orflanges 300 at an opposite end of asidewall 301 which define an opening through which anenlarged end 302 of theside cushion - In use, the
headrest 270 will assume to be in the retracted, non-use position shown inFIG. 15 . In this position, thefront end portion 272 of thecushion 271 fits substantially flush with thefront surface 232 of theseatback 220 when theend portion 272 nests within therecess 286 opening from thefront surface 232 of theseatback 220. This provides a substantially flushfront surface 232 for the seat back 220 when theheadrest 270 is not in use. - When use of the
headrest 270 is desired, a user merely grasps theend portion 272 and pulls theend portion 272 outward away from thefront surface 232 of the seat back 220. Although extension to the fully extended position shown inFIGS. 17 and 18 is the usual end position, it will be understood that theheadrest 270 may be extended to any intermediate position to fit the size of the person seated in the seat. - During the extension sliding motion, the
flanges box members FIG. 16 . The initial outward force on theend portion 272 cause the side cushions 274 and 276 of theheadrest 270 and their associated enlarged ends 302 to slide within the interior of thesecond box member 290 until the outer portions of the enlarged ends 302 engage thesecond flanges 300 on thesecond box member 290. - Continued outward force on the
end portion 272 of theheadrest 270 then causes thesecond box member 290 to slide through the interior of thefirst box member 288 from the nested, retracted position shown inFIG. 16 until theopposite end flanges 294 engage thesecond end flanges 298 of thefirst box 288. Continued extension movement then pulls thefirst box member 288 from the nested position shown inFIG. 16 to a fully extended position limited by engagement of thefirst end flanges 292 with a rigid plate or structure 310 formed within the seat back 220. This position, shown inFIGS. 17 and 18 , defines the fully extended, use position of theheadrest 270. - In the fully extended position shown in
FIG. 17 , thecushion 271 and the pairs ofopposed box members front surface 232 of the seat back 270 suitable for receiving a least a portion of a user's head. The shape of thecushion 270 and thebox members - When use of the headrest is no longer desired, the user simply exerts a pushing force on the
end portion 272 of thecushion 271 which causes a reverse operation in which the ends 302 of the side cushions 274 and 276 slide through the interior of thesecond box member 290 until the laterally extendingend portion 272 of theheadrest 270 engages theflanges 300 on thesecond box member 290. This engagement and continued inward pushing force by the user, then causes thesecond box member 290 to move with theheadrest 270 through the interior of thefirst box member 288 until theend portion 272 of thecushion 271 engages thesecond flanges 294 on thefirst box member 288. Continued inward pushing force then causes thefirst box member 288 to retract through theapertures seatback 220. The inward pushing force is exerted on theheadrest 270 until the front-end portion 272 nests completely within therecess 286. - Referring now to
FIGS. 19-23 , there is depicted another aspect of aheadrest 330 which is extensibly mounted within the seat back 220 - As in previous aspects, the
headrest 330 is shown as being in the form of a continuous U-shaped member only by way of example as having cushion 36 with aportion 327 and twoside portions headrest 330 may also be in the form of a single side cheek cushion of linear, slightly curved or J-shaped, or two side cushions of like, minor image shape. - The seat back 220 has a configuration similar to that shown in
FIGS. 15-18 and includes therecess 286 formed in the upper portion of thefront surface 232 of the seat back 270.Opposed apertures 332, only one of which is shown inFIG. 19 , are formed within the interior of therecess 286 and open to the interior of the seat back 220. - In this aspect, the
headrest 330 extensibly and retractably moves on a slide mechanism denoted generally byreference number 340. The slide mechanism includes alower track 342 and a slidably engagedupper slider 344 which is fixedly connected to and supports the end portion of thesides cushion 326. - As shown in detail in
FIG. 21 , thelower track 342, which may be formed of rigid, high strength plastic, metal or other suitable seat construction materials, has a bottom 346, a pair ofopposed sides upper flanges respective sides inner edges upper flanges slot 360 which runs longitudinally along the entire length of theupper flanges - The bottom 346 includes an
extension 362 which projects from one end of thesides flanges - A
recess 364 is formed substantially over the entire length of the bottom 346 of thelower track 342. Therecess 364 is defined by a slot-like aperture 368 formed by upper inward extendingflanges upper flanges slot 374 which runs along the length of therecess 364. - The
upper slider 344 is slidably disposed within the interior of thesidewalls flanges lower track 342. A portion of theupper slider 380 projects through theslot 360 formed between the inner spacededges flanges - As shown in
FIG. 22 , theupper slider 344 includes acentral stem 382 from which projects a pair of longitudinally and oppositely extending upper flanges orlobes lobes lower flanges sides upper flanges lower track 342 as shown inFIG. 22 . A portion of thecentral stem 382 projects through theslot 360 formed betweeninner edges upper flanges upper flanges upper flanges lower track 342. - The dimensions of the
lower track 342 and theslider 344 are selected to provide a snug but freely movable fit. A friction fit maybe provided to enable theupper slider 344 to be pulled out any desired distance relative to thelower track 346 and remain in a relatively stable position. - When the
headrest 330 in the fully retracted position, the front end portion of theheadrest 330 will be substantially disposed within therecess 286 and substantially flush with thefront surface 232 of theseatback 220. - To use the
headrest 330, the user grasps theend portion 327 and pulls outward away from the seat back 220. This outward movement causes theupper slider 344 to slide along thelower track 342 until theheadrest 330 reaches the fully extended position shown inFIG. 19 . It will be understood that if a friction fit is employed between theupper slider 344 and thelower track 342, theheadrest 330 may be disposed in any intermediate position between the full retracted position and the fully extended position. - An internal stop, not shown, may be coupled between the
upper slider 344 and thelower track 342 to limit sliding movement of theupper slider 344 in a forward direction relative to thelower track 342 to prevent theheadrest 330 from being pulled completely out of theslide mechanism 340. - A reverse operation using an inward pushing force causes the
headrest 330 to move to the fully retracted position within therecess 286 in the seat back 220. -
FIGS. 21 , 22 and 23 depict a modification to theslide mechanism 340 which enables a downward pivoting of thecushion 326 when thecushion 326 is in the fully extended position to accommodate shorter height users of the seat, such as small children. - The modification utilizes the
recess 364 formed in thelower track 342 and a pivot member, such as ahinge 380, formed of afirst hinge leaf 382 and asecond hinge leaf 384 pivotally connected by apivot pin 386. Thefirst leaf 382 is fixedly connected to the bottom surface of theupper slider 344. Thesecond hinge leaf 384 slides within therecess 364 and is captured within therecess 364 by theinward facing flanges lower track 342. - In use, with the
cushion 326 in the fully retracted position within the seat back 220, the first and second hinge leaves 382 and 384 will be in a collapsed position either in contact with each other or in non-contacting, but overlaying position. This allows normal sliding movement of theupper track 344 and theheadrest 330 along the length of thelower track 342 between the retracted or extended positions. - After the
headrest 330 has been pulled to the fully extended position, as shown inFIG. 22 , a downward force can be exerted on theend 327 of thecushion 326. This downward force causes the hinge leaves 382 and 384 to separate, with thefirst hinge leaf 382 pivoting away from thesecond hinge leaf 384 which is held captured within therecess 364 in thelower track 342. This causes theentire headrest 330 to pivot about thehinge pin 386 bringing thefront end portion 327 of thecushion 326 at a downward angle and at a lower position relative to the top edge of the seat back 220 to accommodate shorter height seat users, especially smaller children. - To retract the
headrest 330, theheadrest 330 is first pivoted upward bringing theupper slider 344 in line with thelower track 342. Theupper slider 344 and theheadrest 330 are then slid inward along the length of thelower track 342, as described above, until the fully retracted position is reached. - Another aspect of a
headrest 400 is shown inFIG. 24 . Theheadrest 400 is similar to theheadrest 40 shown inFIGS. 1-5 . Theheadrest 400 can be constructed as a single, one piece headrest, including two pairs of mountingmembers cross piece 44 spanning thetop edge 26 of theseatback 30. Thefront mounting plates 46 of each pair of mountingplates hinges 70 with thefirst hinge leaf 72 fixed to the mountingplate 46 and thesecond hinge leaf 74 carrying therod 62 attached to thecushion 64. As in theheadrest 40, the pairs of mountingmembers cushion 64 may extend between the hinges on the front mounting plates of each pair of mountingplates - As shown in
FIG. 24 , thehinge 70 is configured to allow pivotal movement of thecushion 64 from a first angular use position supporting the head, such as the side of the cheek, chin or forehead of a person seated within the seat to a second non-used position shown in phantom inFIG. 24 byreference number 402. Thesecond position 402 places thecushion 64 in a substantially vertically extending position relative to theseatback 30. This allows easy ingress and egress of the person to and from the seat. Once the person is seated in the seat, thecushion 64 may be easily pivoted from thenon-use position 402 to the first use position shown in solid inFIG. 24 . - A similar hinged pivotal connection is provided for the
headrest 410 shown inFIG. 25 . Theheadrest 410 is similar to the headrest shown inFIGS. 9-11 in which thehinge 70 is connected to a rod which is insertable into a bore formed in thefront surface 32 of theseat 22. In this headrest construction, thehinge 70 in a first use position in which thecushion 188 is angularly disposed with respect to thefront surface 32 of theseatback 22 disposes thecushion 188. As in theheadrest 400 shown inFIG. 24 , theheadrest 410 may also be configured as a single side headrest in which thecushion 188 has a linear, curved or J-shape for supporting only one side of a user's head or formed of two separate plug-in hinge assemblies, which are interconnected by a singleU-shaped cushion 188. - In either construction, the hinge or hinges 70 allow the
cushion 188 to be pivoted from the first use position shown in solid inFIG. 25 to a secondnon-use position 412 shown in phantom inFIG. 25 . In the secondnon-use position 412, thecushion 188 is disposed at a substantially vertically extending orientation with respect to thefront surface 32 of the seatback. This allows easy ingress and egress of a person to and from the seat. When the person is seated within the seat, thecushion 188 maybe pivoted from the secondnon-use position 412 back to the first use shown in solid inFIG. 25 to support a portion of the head the user. - Referring now to
FIG. 26 , there is depicted another aspect of aheadrest 420 which mounts in thebores seat 22 from thetop edge 26 of theseatback 30. Thebores top edge 26 of theseatback 22 for collision safety of the seat occupant. Theheadrest 420 is illustrated, by example only, as using thecushion 40 in thefront plates 46 of themounts FIGS. 1-5 . It will be understood that thecushion FIG. 6 may also be employed with the single mountingplate 46 for one side support of a user's head. - The mounting
plates 46 are fixedly secured together into an integral assembly by means of across member 430 which extends laterally between and is secured to each mountingplate 46 by suitable means, such as mechanical fasteners, adhesive, welding, etc. - A pair of
posts 432 and 434 (with it being understood that only asingle post FIG. 6 ), are fixed to and extend downward from thecross member 430. Thepost bores top surface 26 of theseatback 22. As mentioned above, thebores - The
cushion 64 can be secured to the mountingplates 46 in a permanent angular position, such as that shown inFIG. 26 , which is depicted by way of example only, or other angular configurations, essentially at smaller acute angles with respect to thefront surface 32 of theseatback 22. Alternately, thecushion 64 may be connected to the mountingplates 46 by a pivotal connection including thehinges 70 as described in previous aspects of the present headrest. The hinges 70 allow pivotal movement of thecushion 64 from the first use position shown inFIG. 26 to a non-use position, similar to the non-use positions of the cushions shown inFIGS. 24 and 25 , in which thecushion 64 extends in a substantially vertical position relative to thefront surface 32 of theseatback 22. - In use, the conventional seat headrest is removed and the
post headrest 420 inserted into thebores seatback 22. Thecushion 64 is moved to the desired first or second positions. - The
headrest 420 can remain in position in theseatback 22 for as long as user desires to employ theheadrest 420. When use of theheadrest 420 is no longer desired, theentire headrest 420 can be removed from theseatback 24 in the standard seat headrest reinserted into thebores - Referring now to
FIGS. 27 and 28 , there is depicted another aspect of aheadrest 460. In this aspect, theheadrest 460 has a shape substantially complimentary to the shape of the outer edge of a conventional vehicleseat head restraint 450. - The
head restraint 450 typically includes aninner support 454 from which one or twoposts upper edge 26 of theseatback 22. Ahead restraint body 452 is formed about thehead restraint pad 454 by foam, padding, etc., to fixedly attach thehead restraint body 452 to thepad 454. - In the illustrated example of the
head restraint 450, thehead restraint body 452 has a smoothly curved, generally U-shaped outer edge. It will be understood that the outer edge of thehead restraint body 452 may take other shapes, such as a rectangular shape, for example. - The
cushion 460, which is formed in the same manner as the previously described cushions, has a shape substantially complimentary to the shape of the outer edge of thehead restraint body 452, or a generally U-shape in the present example of thehead restraint 450. - The
cushion 460 includes a pair ofopposed side legs central end portion 466. It will be understood that the lower end portions of the sides of the outer edge of thehead restraint body 452 and theside legs cushion 460 may have an initial straight portion extending from the lower ends before smoothly curving and transitioning into the arcuatecentral end portion 466. - In the present aspect, the
cushion 460 is movably coupled to thehead restraint body 452 for angular positioning between a first non-use position shown inFIG. 26 in which thecushion 460 substantially overlays the outer edge of thehead restraint body 452 to any of a plurality of selected use positions, only one of which is shown in phantom inFIG. 27 . - The pivotal action is provided by a pair of cushion connectors or pivots 470 and 472 located adjacent the lower ends of the
side legs cushion 460 and the lower ends of the opposed sides of thehead restraint body 452. - One example of the
pivot 470 is shown inFIG. 28 . A pair of receivers or pin mounts 474 and 476 are respectively fixed in thehead restraint body 452 and theside leg 462 of thecushion 460. Themounts cushion 460 of thehead restraint 452. - A
pivot pin 476 is mounted in co-axial bores formed in themounts pin 476 maybe a solid pin or thepin 476 maybe formed of outwardly spring biased telescopingly coupled sections to enable thepin 476 to be compressed to a smaller length for mounting in thereceivers head restraint 450 and thecushion 460. - The
cushion 460 can be angularly pivoted from the first position shown in solid inFIG. 28 to any desired stationary use position, such as the one shown in phantom inFIG. 27 , by means of a tight friction fit between the lower inner portions of theside legs cushion 460 and the adjoining portions of the outer edge of thehead restraint body 452. Alternately, themounts pivot pin 476 in thepivots cushion 460.
Claims (23)
1. A headrest engageable with a seat back comprising:
a seat back mounting member attachable to a seatback;
a cushion adapted to support the weight of a portion of a user's head; and
a cushion connector coupling the cushion to the mounting member;
the cushion connector being movable between a first use position and a vertically extending and a non-use second position.
2. The headrest of claim 1 wherein:
the mounting member is a single mounting member; and
the at least one cushion is a single cushion.
3. The headrest of claim 2 wherein:
the cushion defines a substantially J-shape.
4. The headrest of claim 1 wherein:
the mounting member includes a pair of mounting members spacedly mountable across the top edge of a seat back.
5. The headrest of claim 4 wherein:
the at least one cushion comprises a first cushion extending between a first cushion connector coupled to the one of the pair of mounting members and a second cushion connector coupled to the other of the pair of mounting members.
6. The headrest of claim 5 wherein:
the cushion has a generally U-shape.
7. The headrest of claim 1 wherein the cushion connector comprises:
a hinge having first and second pivotally connected hinge portions, the first hinge portion fixedly coupled to the mounting member; and
the second hinge portion being pivotally movable from a first position relative to the first hinge member and a second position relative to the first hinge portion to deploy the cushion in one of two angular positions relative to the seat back.
8. The headrest of claim 7 wherein:
the mounting member includes a pair of mounting members spacedly mounted across the top of a seat back; and
the cushion connector comprises a pair of hinges, each coupled to one of the mounting members and the cushion.
9. The headrest of claim 7 wherein:
the hinge has a horizontally extending pivot axis between the first and second hinge portions.
10. The headrest of claim 1 wherein:
the seatback mounting member is removably mountable over a top edge of a seatback.
11. The headrest of claim 1 further comprising:
at least one bore extending into the seat back from an open end in the seat back;
a portable headrest having a connector mountable in the bore in the seat back; and
a cushion carried by the connector for weight bearing support of a seat user's head.
12. The combination of claim 11 wherein:
the cushion has a substantially J-shape for supporting a side of a user's head.
13. The combination of claim 12 wherein:
the J-shape cushion extends to a free end adapted to be positioned in front of a portion of a seat user's head.
14. The headrest of claim 11 further comprising:
a hinge having first and second pivotally connected hinge portions, the first hinge portion fixedly coupled to the connector; and
the second hinge portion coupled to the cushion and pivotally movable from a first position relative to the first hinge member and a second position relative to the first hinge portion to deploy the cushion in one of two angular positions relative to the seat back.
15. The headrest of claim 11 wherein:
the at least one bore extends into the seatback from an open end at the front surface of the seatback.
16. The headrest of claim 11 wherein:
the at least one bore extends into the seatback from an open end in a top edge of the seatback.
17. The headrest of claim 11 wherein:
the at least one bore includes two vertically extending bores formed in the seatback, each extending from an open end at the top edge of the seatback;
another connector removably mountable in one of the bores in the seatback;
a cushion carried by either connector for weight bearing support of a seat user's head.
18. The headrest of claim 17 further comprising:
a cross member fixedly coupled to and spacing the pair of connectors apart.
19. The headrest of claim 1 further comprising:
the cushion having a shape substantially complimentary to the shape of an outer edge of a head restraint mounted in a top end of a seatback, the head restraint having a front face and rear face joined by the outer edge;
the cushion defining a generally U-shape having side legs and a central end portion complimentary to the shape of the outer edge of the head restraint; and
the cushion pivotally coupled to the head restraint for movement of the cushion between a retracted position overlaying the outer edge of the head restraint and at least one forward extending use position in which the side legs and the central end portion of the cushion extend forward of the front face of the head restraint for supporting a portion of a seat user's head.
20. The headrest of claim 19 further comprising:
pivots mounted between the side legs of the cushion and side portions of the outer edge of the head restraint.
21. The headrest of claim 20 wherein:
the pivots are mounted adjacent lower ends of the side legs of the cushion and opposed lower edges of the head restraint.
22. The headrest of claim 19 wherein:
the cushion is pivotal to any of a plurality of stationary angular positions relative to the front face of the head restraint.
23. The headrest of claim 19 wherein:
the headrest is pivotal to a stationary position disposed at an obtuse angle relative to the front face of the head restraint.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/009,938 US20120119556A1 (en) | 2010-11-15 | 2011-01-20 | Seat back headrest |
CA2757107A CA2757107A1 (en) | 2010-11-15 | 2011-11-04 | Seat back headrest |
US13/429,569 US20120235455A1 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
US13/429,884 US20120181836A1 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
US13/429,616 US8469452B2 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/946,109 US8141955B1 (en) | 2010-11-15 | 2010-11-15 | Seat back headrest |
US13/009,938 US20120119556A1 (en) | 2010-11-15 | 2011-01-20 | Seat back headrest |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/946,109 Continuation-In-Part US8141955B1 (en) | 2010-11-15 | 2010-11-15 | Seat back headrest |
US12/946,109 Continuation US8141955B1 (en) | 2010-11-15 | 2010-11-15 | Seat back headrest |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/946,109 Division US8141955B1 (en) | 2010-11-15 | 2010-11-15 | Seat back headrest |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120119556A1 true US20120119556A1 (en) | 2012-05-17 |
Family
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Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/946,109 Expired - Fee Related US8141955B1 (en) | 2010-11-15 | 2010-11-15 | Seat back headrest |
US13/009,938 Abandoned US20120119556A1 (en) | 2010-11-15 | 2011-01-20 | Seat back headrest |
US13/429,616 Expired - Fee Related US8469452B2 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
US13/429,884 Abandoned US20120181836A1 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/946,109 Expired - Fee Related US8141955B1 (en) | 2010-11-15 | 2010-11-15 | Seat back headrest |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/429,616 Expired - Fee Related US8469452B2 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
US13/429,884 Abandoned US20120181836A1 (en) | 2010-11-15 | 2012-03-26 | Seat back headrest |
Country Status (2)
Country | Link |
---|---|
US (4) | US8141955B1 (en) |
CA (1) | CA2757107A1 (en) |
Cited By (3)
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US9566885B2 (en) | 2014-09-09 | 2017-02-14 | Ben Cohen GAZIT | Head restraint |
WO2019094065A1 (en) * | 2016-11-10 | 2019-05-16 | Sugameli Joseph J | Head restraint |
US10926685B2 (en) | 2016-02-15 | 2021-02-23 | Paula Blankenship | Head sling affixable to a chair |
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US20130146723A1 (en) * | 2011-12-09 | 2013-06-13 | Misty D. JOHNSON | Head supporting apparatus |
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US9873361B2 (en) | 2014-04-17 | 2018-01-23 | Ipnos Technologies Llc | Supporting devices to enhance user comfort in a seated position |
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US11529919B2 (en) * | 2020-01-27 | 2022-12-20 | Universal City Studios Llc | Restraint system for an amusement park attraction |
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-
2010
- 2010-11-15 US US12/946,109 patent/US8141955B1/en not_active Expired - Fee Related
-
2011
- 2011-01-20 US US13/009,938 patent/US20120119556A1/en not_active Abandoned
- 2011-11-04 CA CA2757107A patent/CA2757107A1/en not_active Abandoned
-
2012
- 2012-03-26 US US13/429,616 patent/US8469452B2/en not_active Expired - Fee Related
- 2012-03-26 US US13/429,884 patent/US20120181836A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9566885B2 (en) | 2014-09-09 | 2017-02-14 | Ben Cohen GAZIT | Head restraint |
US10926685B2 (en) | 2016-02-15 | 2021-02-23 | Paula Blankenship | Head sling affixable to a chair |
WO2019094065A1 (en) * | 2016-11-10 | 2019-05-16 | Sugameli Joseph J | Head restraint |
Also Published As
Publication number | Publication date |
---|---|
US20120181836A1 (en) | 2012-07-19 |
US20120181835A1 (en) | 2012-07-19 |
US8469452B2 (en) | 2013-06-25 |
CA2757107A1 (en) | 2012-05-15 |
US8141955B1 (en) | 2012-03-27 |
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Legal Events
Date | Code | Title | Description |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |