CN1891106A - Footrest for chair - Google Patents
Footrest for chair Download PDFInfo
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- CN1891106A CN1891106A CN 200610059448 CN200610059448A CN1891106A CN 1891106 A CN1891106 A CN 1891106A CN 200610059448 CN200610059448 CN 200610059448 CN 200610059448 A CN200610059448 A CN 200610059448A CN 1891106 A CN1891106 A CN 1891106A
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- stock
- chair
- holder
- seat
- thigh support
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Abstract
An apparatus including an elongate post having a first end and a second end; a clamp coupled to the first end of the post, the clamp including a dimension suitable to couple to a seat frame of a chair; a leg support frame including a first portion pivotally coupled to the second end of the post and a second portion; and a leg support coupled to the second portion of the leg support frame. A method including coupling a leg support assembly to a chair, the leg support assembly including a leg support frame, wherein in a coupled configuration with a chair on a surface, coupling includes coupling such that a first portion of the leg support frame is in contact with the surface.
Description
The cross reference of related application
The application's request applying date is that July 8, application number in 2005 are No.60/695, the priority of U.S.'s pending trial provisional application of 460, and at this by with reference to quoting its content.
Technical field
The present invention relates to a kind of chair.
Background technology
Folding seat is a kind of common family expenses and pastime device because folding seat provides the facility of taking one's seat, and its can be folded into usually can be than the easier structure of depositing of the structure of holding the user in chair.A kind of traditional folding seat is used U-shaped seat mount and the U-shaped back frame that links together in the end of its shank.The seat of being made by fabric or canvas material, plastics (for example polyester vinyl base (polyester vinyl)) material (comprising the plastic knitting bar) (panel) covers the seat mount and the back frame of at least a portion, is seated at people in seat mount and the back frame with support.In one embodiment, the U-shaped seat mount can center on the axle that the end limited of the shank of U-shaped back frame, in the mode that the base portion with the U-shaped seat mount becomes 90 degree or bigger angle to extend away from the base portion of U-shaped back frame, (being the position of the base portion of U-shaped seat mount against the U-shaped back frame) is towards rotating with regard to holder structure from the folding position.
In recent years, increase to some extent for being carried to such as the convenience of the folding seat of different locations such as seabeach, park and sports ground and the requirement of practicality.U.S. Patent No. 6,056,172 have described a kind of folding seat, and it is preferably made by the U-shaped metal alloy or the plastics of light weight, and this folding seat has the belt that is connected with seat, to allow the user chair is carried on the back back.On same or another support seat, also be connected with sack, in sack, carry or stored article to allow the user.
Summary of the invention
The purpose of this invention is to provide a kind of folding seat, it includes footstool.
Particularly, the invention provides a kind of device, comprising: stock, it has first end and the second end; Holder, it is connected to the first end of this stock, and this holder has the size of the seat mount that is suitable for being connected to chair; The thigh support framework, it comprises first and second portion, this first is connected to the second end of this stock; And leg support, it is connected to the second portion of this thigh support framework; Wherein, be placed in the lip-deep structure at this chair, this holder can be connected to the seat mount of this chair, and the first of this thigh support framework contacts with this surface, and makes this leg support leave this surface and give prominence to.
According to above-mentioned design, in this structure, this stock extends towards top rake to this surface from the front end of this seat mount.
According to above-mentioned design, when this holder was connected to this seat mount, this holder centered on the periphery of this seat mount at least in part.
According to above-mentioned design, the distance between this seat mount and this thigh support framework can be in the change of place, use location.
According to above-mentioned design, this thigh support framework is rotatably connected to the second end of this stock.
According to above-mentioned design, this thigh support framework can rotate less than 90 degree with respect to the axis that length limited by this stock, and can lock onto at a certain angle on this stock.
According to above-mentioned design, this thigh support framework can be with respect to being fixed about this stock with an angle by the axis that length limited of this stock.
According to above-mentioned design, this thigh support framework comprises the U-shaped structure, and this U-shaped structure comprises base portion and shank; This stock is connected to the base portion of this U-shaped structure; And this leg support is connected to the shank of this U-shaped structure.
According to above-mentioned design, the U-shaped structure of this thigh support framework comprises two L shaped members that direction is relative, described L shaped member is connected by the lateral part of T-socket plug connector, and this stock is connected to the base portion of this U-shaped structure by the longitudinal component of this sleeve pipe plug connector.
According to above-mentioned design, this device also comprises: horizontal U-shaped crossbar, and it comprises shank and base portion, the shank of described horizontal U-shaped crossbar extends between the shank of this U-shaped structure; And connector, it comprises first end and the second end, this first end is connected to this stock and is connected to each side of the second end of this stock, and is limited with opening, and the base portion of this crossbar extends through this opening.
According to above-mentioned design, this device also comprises: axle, and it is connected between the shank of this thigh support framework, and wherein this leg support is rotatably connected to this axle.
According to above-mentioned design, this holder comprises first holder, and this device also comprises: seat connecting portion, intermediate portion are connected to the first end of this stock; And second holder; Wherein the position of this first holder between this first end and this mid portion is connected to this seat connecting portion; And the position of this second holder between this second end and this mid portion is connected to this seat connecting portion.
The present invention also provides a kind of method, comprises the steps: the thigh support assembly is connected to chair, and this thigh support assembly comprises: stock, and it has first end and the second end; Holder, it is connected to the first end of this stock, and this holder has the size of the seat mount that is suitable for being detachably connected to this chair; The thigh support framework, it comprises first and second portion, this first is pivotally connected to the second end of this stock; And leg support, it is connected to the second portion of this thigh support framework; Wherein, be placed in the lip-deep syndeton at this chair, described connection comprises that the holder with this thigh support assembly is connected on this chair, thereby the first of this thigh support framework is contacted with this surface.
According to above-mentioned design, this method also comprises: with this footstool assembly location, thereby the leg support that makes this footstool assembly is positioned at the position that certain distance is arranged with this surface, can support by this lip-deep leg support so that be seated at the leg of the user in this chair.
According to above-mentioned design, this syndeton comprises first structure and second structure, and in second structure, this stock, this thigh support framework and this leg support flatly are placed on the seat of this chair.
The present invention provides a kind of device again, comprising: stock, and it has first end and the second end; Holder, it is connected to the first end of this stock, and this holder has the size of the seat mount that is suitable for being connected to chair; The thigh support framework, it comprises first and second portion, this first is pivotally connected to the second end of this stock; And leg support, it is connected to the second portion of this thigh support framework.
According to above-mentioned design, be placed in the lip-deep structure at this chair, this holder can be connected to the seat mount of this chair, and the first of this thigh support framework contacts with this surface.
According to above-mentioned design, in this structure, this stock extends towards top rake to this surface from the front end of the seat mount of this chair.
Not only possess convenience but also have practicality according to folding seat of the present invention.
Description of drawings
Fig. 1 shows the upper right side stereogram of the embodiment of folding seat, and this folding seat has the footstool assembly and this footstool assembly is in extended position.
Fig. 2 shows the side view of footstool assembly among Fig. 1.
Fig. 3 shows the upper left side stereogram of folding seat among Fig. 1, and the footstool assembly of this folding seat is in extended position.
Fig. 4 show the footstool assembly embodiment take schematic diagram apart.
Fig. 5 shows the decomposition side view of embodiment of the mat of footstool assembly.
Fig. 6 shows the decomposition embodiment of the annexation of the brace of footstool assembly embodiment and U-shaped member.
Fig. 7 shows the embodiment of folding seat among Fig. 1, and wherein the footstool assembly is in half retrieving position.
Fig. 8 shows the embodiment of folding seat among Fig. 1, and wherein the footstool assembly is in half retrieving position, and the function of footstool assembly and easel are similar.
Fig. 9 shows the embodiment of folding seat among Fig. 1, and wherein the footstool assembly is in half retrieving position, and the function of footstool assembly and pallet are similar.
Figure 10 shows the embodiment of folding seat among Fig. 1, and wherein the footstool assembly is in complete retrieving position.
Figure 11 shows the embodiment of folding seat among Fig. 1, and wherein folding seat is in the folding position.
The specific embodiment
Fig. 1-Fig. 9 shows portable flat folding folding seat (flat folding portable chair) or footstool assembly or the embodiment of the part footstool assembly that combines with portable chair.Described chair can be U.S. Patent No. 6,056, the knapsack unit described in 172.Also can consider other flat folding folding seat, the chair of the usefulness of for example diverting oneself, portable chair, swimming pool chair etc.It is also conceivable that the portable chair of other form of (collapsible) chair-like of use such as collapsible dismounting.Can consider to use not foldable chair again such as stackable swimming pool chair-like.
In the embodiment in conjunction with Fig. 1-shown in Figure 9, folding seat 110 comprises the framework of folding seat form.Described framework is made by the material of light weight, and the material of described light weight includes but not limited to: metal alloy or plastics.Suitable metal or alloy includes but not limited to: aluminium alloy, steel and steel alloy.Described framework comprises U-shaped seat mount 116, and the end of U-shaped seat mount 116 is connected with the end pivot ground of U-shaped back frame 115 by crossing members 118.By this way, the U-shaped back frame is fit to around crossing members 118 rotations.Crossing members 118 for example is the metal alloy bar of light weight, and it extends and be connected to the end of U-shaped seat mount 116 and U-shaped back frame 115 along the width of U-shaped back frame 115.Described framework also comprises U-shaped front leg portions framework 125, and the end of U-shaped front leg portions framework 125 is connected to the end of leg frames 120 behind the U-shaped to form rotating shaft by independent crossing members 122.Crossing members 122 for example is columniform rivet, screw, screw rod or other securing member that is fit to.Crossing members 122 is connected to each end of leg frames 120 behind U-shaped front leg portions framework 125 and the U-shaped.In one embodiment, the width of back frame 115, seat mount 116, back leg frames 120 has nothing in common with each other, and the width of front leg portions framework 125 and back frame 115 is close basically.By this way, be under folding position or the folded state, each assembly of described framework is substantially parallel and adjacent one another are, and back leg frames 120 is the wideest, then is back frame 115 and front leg portions framework 125 and seat mount 116.
In one embodiment, 127 places are rotatably connected to seat mount 116 to front leg portions framework 125 in the position, and position 127 is located substantially between the end of front leg portions framework 125 and the summit and between the end and summit of seat mount 116.In one embodiment, spill roller (concave-shaped roller) extends from each end of crossing members 118.The spill roller is configured to when the back frame 115 of described framework is in non-folded state the spill roller near back leg frames 120.By this way, crossing members 118 limits by the rotation that on the leg frames 120 after downward power is transferred to back frame 115 is centered on crossing members 118 and supports back frame 115.Can add supporting member in any side of back leg frames 120, and described supporting member is connected on the crossing members 118, further support back frame 115 when being in non-folded state with the described framework of box lunch.
Except the framework of folding seat 110, this device comprises that at least one seat sits in user in the framework with support.In one embodiment, described seat is by making such as the durable materials such as material of canvas (for example 600 deniers' canvas), polyester or other fabric or textile-like.In one embodiment, described seat is connected to the summit of the corner and the seat mount 116 of back frame 115.For example can by with the seat rings of material on the summit of back frame 115 and with around the part back side that is sewn to seat realize this connection.Similarly sewing program also can be used for seat is connected to the summit of seat mount 116.In one embodiment, described seat is made of seat seat 135 and backrest seat 140.Seat seat 135 is connected to the summit of seat mount 116 in aforesaid mode.The other end of seat seat 135 also is connected in a similar fashion on the crossing members 118, and connects to support the common user as the framework of chair with certain force of strain.Backrest seat 140 is connected to the summit of back frame 115 in aforesaid mode, and the other end of backrest seat 140 is connected to seat seat 135 by for example making.Backrest seat 140 is connected to support the common user as the framework of chair with certain tension force with seat seat 135.
Return the framework of introducing folding seat 110 again, leg frames 120 and U-shaped front leg portions framework 125 behind one or more U-shaped back frames 115, U-shaped seat mount 116, the U-shaped can be tubular structure inner chamber, such as aluminum pipe with opening or perforation.In one embodiment, seat mount 116 is a tubular structure.Footstool assembly 150 is connected the mid point of the base portion of U-shaped seat mount 116.
Fig. 2 shows the side view of footstool assembly 150.Fig. 3 shows the left parallax stereogram of footstool assembly 150.In this embodiment, footstool assembly 150 comprises oblique stock 155, and tiltedly an end of stock 155 is connected to the mid point of cross tube (upper lateral post) 165, and its other end is connected to the mid point of the base portion of U-shaped member 160.For example, the length of brace 155 is greater than the distance between surface (for example ground) and the seat mount 116 (being at chair under the situation of position shown in Figure 1), thereby when brace 155 is in extended position shown in Fig. 3 and Fig. 7, can form the angle α of about 20 degree, one 40 degree with described surface.In one embodiment, when chair was positioned at position shown in Figure 1, the leg length of U-shaped member 160 was approximately equal to the distance between the base portion of described surface and seat mount 116.In one embodiment, the length of the base portion of U-shaped member 160 is slightly less than the width of the base portion of U-shaped seat mount 116.For example, brace 155, U-shaped member 160 and cross tube 165 are aluminium alloy tubulose structure (for example pipe of 25mm).
Referring to Fig. 1 and Fig. 3, in one embodiment, the length that the cross tube of footstool assembly 150 165 extends is less than the width of the base portion of U-shaped seat mount 116, and is slightly less than the width of the base portion of U-shaped member 160.In one embodiment, cross tube 165 is a multicomponent structures, and it will be elaborated in conjunction with Fig. 4 in paragraph subsequently.In another embodiment, cross tube 165 is a single structure, the mid point of cross tube 165 by such as welding or pass cross tube 165 enter the nut that is arranged in the brace 155 or similarly the screw in the internal thread securing member be connected on the brace 155.
Be provided with holder (clamp) 158 (two) in the end of cross tube 165, the size of each holder (for example diameter) equals or is slightly larger than the external diameter of the base portion of U-shaped seat mount 116.Each holder 158 is fit to be clipped on the U-shaped seat mount 116 and with footstool assembly 150 and is fixed on the chair 110.Base portion at U-shaped seat mount 116 is in the example of tubulose, and holder 158 has the shank of base portion and tubulose, and the shank internal diameter of tubulose is slightly larger than the external diameter of the base portion of U-shaped seat mount 116.In one embodiment, holder 158 is made by plastic material, and have can be crooked so that the shank that expands around the base portion of U-shaped seat mount 116 in its end.By make holder 158 force/be centered around on the base portion of U-shaped seat mount 116 (towards the thrust of the base portion of U-shaped seat mount 116), footstool assembly 150 can be clipped on the folding seat 110.By make holder 158 from the base section of U-shaped seat mount 116 from (away from the pulling force of the base portion of U-shaped seat mount 116), footstool assembly 150 is separated with folding seat 110.In one embodiment, when wherein the seat material such as the material that is used for seat seat 135 centers on the base portion extension of seat mount 116, can in seat 135, form opening to expose the part base portion of seat mount 116.
In one embodiment, the base portion of each holder 158 comprises tubulose stop part 159, and stop part 159 has openend and blind end, and has between openend and blind end the length of extending along the width of holder 158.The internal diameter of stop part 159 is slightly larger than the external diameter of cross tube 165, thereby stop part 159 can be arranged on the end of cross tube 165 and cover on the cross tube 165.In one embodiment, stop part 159 screw 1590 that passes the base portion of holder 158 by insertion is connected to cross tube.
As mentioned above, in one embodiment, holder 158 has the tubular form with seat mount 116 shape approximations.Described tubular form is connected to seat mount 116 with the cross tube 165 of footstool assembly 150, and can make footstool assembly 150 around seat mount 116 (axis 183 (Fig. 1) of qualification) rotation, for example footstool assembly 150 is placed on the seat seat 135 (for example, (see figure 5) when chair 110 is in non-use structure).
As mentioned above, holder 158 is used for footstool assembly 150 is connected to chair 110.In this embodiment, footstool assembly 150 can disassemble from chair 110.In another embodiment, described holder can be base portion annular and that surround U-shaped seat mount 116 fully.The diameter of marmon clamp gripping member can be slightly larger than the diameter of the base portion of U-shaped seat mount, thereby the footstool assembly still can be around holder rotation (around axis 183 rotations).
Fig. 4 shows the annexation of embodiment of cross tube 165 of footstool assembly 150 and cross tube 165 and brace 155.In this embodiment, brace 155 is connected to cross tube 165 by sleeve pipe plug connector (sleeve insert) 190, and cross tube 165 is made of the part 1650A and the 1650B of two equal in length.For example, sleeve pipe plug connector 190 by rigid-plastic material for example (for example is, acrylonitrile-butadiene-styrene (ABS)) the T shape plug connector of making, and the opposed end in the lateral part of described T shape has opening (opening selectively is defined as and runs through described lateral part), and the internal diameter of the opposed end of each length part (corresponding length part 1650A and length part 1650B) of sleeve pipe plug connector 190 is slightly larger than the diameter of part 1650A and 1650B respectively.The length of the lateral part of the T shape of plug connector 190 is suitable for the end of holding portion 1650A and 1650B.In this manner, the lateral part support section 1650A of plug connector 190 and 1650B are to limit cross tube 165.The mid point of the lateral part of plug connector 190 has the opening in the opening of entering part 1650A and 1650B, to hold such as utilizing frictional force for example part 1650A and 1650B to be fixed in securing member 1900 the screw of plug connector 190.
The external diameter of the vertical component of the T shape of sleeve plug connector 190 is less than the internal diameter of brace 155.The vertical component of plug connector 190 can be inserted in the brace 155, so that brace 155 is connected to cross tube 165.In one embodiment, utilize the securing member 1910 of the opposite side of the vertical component of a side that can extend through brace 155 such as screw, plug connector 190 and brace 155, brace 155 can be fixed to the vertical component of plug connector 190.
Fig. 4 also shows an embodiment of the U-shaped member 160 of footstool assembly 150 and U-shaped member 160 and the annexation of brace 155.In this embodiment, brace 155 is connected to the base portion of U-shaped member 160 by sleeve pipe plug connector 195.For example, sleeve pipe plug connector 195 by rigid-plastic material for example (for example can be, acrylonitrile-butadiene-styrene (ABS)) the T shape plug connector of making, and in one embodiment, the lateral part of T shape comprises middle body and the external diameter finger portion (finger portion) less than the relative extension of middle body.For example, each finger portion is the cylinder of external diameter less than the internal diameter of the base portion of U-shaped member 160.The vertical component of the T-socket plug connector 195 in the body of tubulose brace 155 is external diameter column parts less than the internal diameter of brace 155.U-shaped member 160 is made of two members (the L shaped member 1600A and the 1600B that are oppositely arranged) that connect by sleeve pipe plug connector 195.Relative each end of the lateral part of T-socket plug connector 195 is inserted into each the L shaped member 1600A that constitutes U-shaped member 160 and the base portion end (base end) of 1600B.The vertical component of T-socket plug connector 195 is inserted into the end of brace 155.Can be fixed on the brace by for example screw or other securing member vertical component T-socket plug connector 195.In one embodiment, each end of the lateral part of sleeve pipe plug connector 195 is forced to be assembled in the base portion end of L shaped member 1600A and 1600B.By this way, the base portion of U-shaped member 160 can center on brace 155 (around axis 170) rotation.
Referring to Fig. 1-Fig. 3, the mat 185 of footstool assembly 150 is connected on the axle 157 that extends between the end of the shank of U-shaped member 160.Axle 157 for example is 3/8 inch an aluminium bar, and it can extend through each shank of U-shaped member 160 and be connected to U-shaped member 160 by holder (for example, C clamp gripping member or other securing member).In one embodiment, mat 185 and selectable axle 157 can be around axis 180 rotations (seeing Fig. 1 and Fig. 3).As shown in figures 1 and 3, mat 185 can be positioned (by around axis 180 rotation mats 185 and selectable axle 157), thereby the length direction that makes mat 185 and width and support chair is surperficial parallel.
Fig. 5 shows the schematic diagram of taking apart of an embodiment of mat 185.Fig. 6 shows the decomposition side view of mat 185.In this embodiment, mat 185 comprises the reception base portion (receiving base) 1850 that is arranged between backing (backing) 1852 and the flexible body 1854.In this embodiment, receiving base portion 1850 be rectangular slab, and this rectangular slab comprises and is connected to this rectangular slab one side outer rim framework on every side.The framework of this rectangular slab comprises crossing members.This plate and framework are made by the rigid material such as plastics (for example polyethylene).The typical sizes of the described plate of the reception base portion 1850 that polyethylene is made is 7 inches * 11.75 inches * 0.125 inch.The midpoint of the crossing members of end that sleeve pipe 1856A, the 1856C of the tubular structure of arranged in co-axial alignment and 1856B are connected to described framework and reception base portion 1850, and the internal diameter of each sleeve pipe 1856A, 1856C and 1856B all is suitable for axle 157 is inserted wherein.
In the embodiment shown in fig. 5, backing 1852 is by the rectangular slab of making such as rigid-plastic materials such as polyethylene (for example, length and width and reception base portion 1850 that be similar to, 0.125 inch thick plate).Flexible body 1854 is soft, flexible and/or ductile materials.An embodiment of flexible body 1854 is the sponges (for example, obtaining by blowing agent) of being made by the resin compound with alveolate texture.The length of flexible body 1854 and width dimensions can be approximate with length that receives base portion 1850 and width dimensions.
Bottom surface by making flexible body 1854 contacts with the end face that receives base portion 1850 and the bottom surface that receives base portion 1850 is contacted with the end face of backing 1852, and flexible body 1854, reception base portion 1850 and backing 1852 are clipped together.Material 1855 covers flexible body 1854, receives on the sandwich of base portion 1850 and backing 1852.In one embodiment, material 1855 is similar to the material of the seat that can be used for chair 110, such as the material of canvas, polyester or other fabric or textile-like.Be typically, the length dimension of material 1855 and width dimensions are suitable for centering on and cover flexible body 1854 and receive base portion 1850, and partly center on the bottom surface of backing 1852.By this way, can material 1855 be bonded to the exposed surface of backing 1852 with suitable bonding.Can be with substituting adhesive such as the bindiny mechanism that material 1855 is pinned to backing 1852 bottom surfaces.At last, material 1855 can comprise be arranged on the sandwich opposed side portions and with the corresponding opening in the position of sleeve pipe 1856A and 1856B, inject thereby axle 157 can pass the material 1855 on first side part of sandwich and to receive base portion (passing sleeve pipe 1856A, 1856B and 1856C), and can pass material 1855 on second side part of sandwich.
When folding seat 110 be in by the surface support open (stretching, extension) structure the time, base portion at the U-shaped seat mount 116 of folding seat 110 is higher than under the about 10 inches situation in described surface (for example ground), and the exemplary illustration of a selected assembly of embodiment of the footstool assembly that can use with folding seat 110 comprises as follows:
| Brace 155 | The 15-16 |
| U-shaped member | |
| 160 | |
| Shank (part 1600A/1600B) | 12 inches |
| Base portion (comprising plug connector 195) | The 13-14 |
| Axle | |
| 157 | The 14-15 inch |
| Cross tube 165 (comprising part 1650A, part 1650B and plug connector 190) | 10 inches |
Fig. 7 shows folding seat 110, wherein by making U-shaped member 160 partly regain footstool assembly 150 around axis 170 to brace 155 rotations.In the figure, mat 185 is around axis 180 rotations, thereby makes the base portion of mat 185 keep original state and/or be parallel to the length direction of brace 155.In half retracted position shown in Fig. 7, the footstool assembly can support (calf-rest) as shank, so that chair user's shank obtains having a rest and/or supporting.
Fig. 8 shows folding seat 110, wherein by making U-shaped member 160 rotate (to brace 155 rotations) and make brace 155 regain footstool assembly 150 around axis 183 rotations (being rotated counterclockwise) to folding seat 110 around axis 170, thereby under chair was in non-folded state, brace 155 was projected into the top (as shown in the figure) of U-shaped seat mount 116.User such as the adult can be seated in the folding seat 110 between two legs that brace 155 is in the user.In one embodiment, mat 185 can rotate around axis 180, thereby makes mat 185 be arranged essentially parallel to user's both legs (for example thigh) (for example, making mat 185 rotations, so that the contiguous user's of flexible body 1854 (see figure 5)s both legs).By this way, U-shaped member 160 and mat 185 can play the effect that is similar to the easel that supports book or magazine.Fig. 9 shows another embodiment, and on about the retrieving position described in Fig. 8, mat 185 uses as pallet.
Figure 10 shows the folding seat 110 that footstool assembly 150 is in complete retrieving position.For example, footstool assembly 150 rotates from the position shown in Fig. 7 around axis 195 (being limited by the annexation between the base portion of holder 158 and U-shaped seat mount 116).When being in complete retrieving position, mat 185, brace 155, cross tube 165 and following lateral cross bar 175 all are arranged on the top of seat seat 135, and the base portion of the surface of mat 185 and seat mount 116 is adjacent, and the base portion of U-shaped member 160 is adjacent with the crossing members 118 of the chair of folding up 110.
Figure 11 shows the folding seat 110 that is in foldable structure.In one embodiment, footstool assembly 150 takes in the seat seat 135, and backrest seat 140 moves to seat seat 135 then, so that footstool assembly 150 is clipped between seat seat 135 and the backrest seat 140.
In the superincumbent detailed description specific embodiment has been described.Yet apparent, under the situation of comparatively broad design that does not break away from claims and scope, can carry out various modifications and variations to these embodiment.Therefore, specification and accompanying drawing should be considered to be illustrative and not restrictive.
Claims (18)
1. device comprises:
Stock, it has first end and the second end;
Holder, it is connected to the first end of this stock, and this holder has the size of the seat mount that is suitable for being connected to chair;
The thigh support framework, it comprises first and second portion, this first is connected to the second end of this stock; And
Leg support, it is connected to the second portion of this thigh support framework;
Wherein, be placed in the lip-deep structure at this chair, this holder can be connected to the seat mount of this chair, and the first of this thigh support framework contacts with this surface, and makes this leg support leave this surface and give prominence to.
2. device as claimed in claim 1, wherein in this structure, this stock extends towards top rake to this surface from the front end of this seat mount.
3. device as claimed in claim 1, wherein when this holder was connected to this seat mount, this holder centered on the periphery of this seat mount at least in part.
4. device as claimed in claim 1, wherein the distance between this seat mount and this thigh support framework can be in the change of place, use location.
5. device as claimed in claim 1, wherein this thigh support framework is rotatably connected to the second end of this stock.
6. device as claimed in claim 5, wherein this thigh support framework can rotate less than 90 degree with respect to the axis that length limited by this stock, and can lock onto at a certain angle on this stock.
7. device as claimed in claim 5, wherein this thigh support framework can be a fixed angle with respect to the axis that length limited and this stock by this stock.
8. device as claimed in claim 1, wherein this thigh support framework comprises the U-shaped structure, this U-shaped structure comprises base portion and shank; This stock is connected to the base portion of this U-shaped structure; And this leg support is connected to the shank of this U-shaped structure.
9. device as claimed in claim 8, wherein the U-shaped structure of this thigh support framework comprises two L shaped members that direction is relative, described L shaped member is connected by the lateral part of T-socket plug connector, and this stock is connected to the base portion of this U-shaped structure by the longitudinal component of this sleeve pipe plug connector.
10. device as claimed in claim 8 wherein also comprises:
Horizontal U-shaped crossbar, it comprises shank and base portion, the shank of described horizontal U-shaped crossbar extends between the shank of this U-shaped structure; And
Connector, it comprises first end and the second end, this first end is connected to this stock and is connected to each side of the second end of this stock, and is limited with opening, and the base portion of this crossbar extends through this opening.
11. device as claimed in claim 8 wherein also comprises:
Axle, it is connected between the shank of this thigh support framework, and wherein this leg support is rotatably connected to this axle.
12. device as claimed in claim 1, wherein this holder comprises first holder, and this device also comprises:
Seat connecting portion, intermediate portion are connected to the first end of this stock; And
Second holder;
Wherein the position of this first holder between this first end and this mid portion is connected to this seat connecting portion; And
The position of this second holder between this second end and this mid portion is connected to this seat connecting portion.
13. a method comprises the steps:
The thigh support assembly is connected to chair, and this thigh support assembly comprises:
Stock, it has first end and the second end;
Holder, it is connected to the first end of this stock, and this holder has the size of the seat mount that is suitable for being detachably connected to this chair;
The thigh support framework, it comprises first and second portion, this first is pivotally connected to the second end of this stock; And
Leg support, it is connected to the second portion of this thigh support framework;
Wherein, be placed in the lip-deep syndeton at this chair, described connection comprises that the holder with this thigh support assembly is connected on this chair, thereby the first of this thigh support framework is contacted with this surface.
14. method as claimed in claim 13 wherein also comprises:
With this footstool assembly location, thereby make the leg support of this footstool assembly be positioned at the position that certain distance is arranged with this surface, can support by this lip-deep leg support so that be seated at the leg of the user in this chair.
15. the described method of claim 13, wherein this syndeton comprises first structure and second structure, and in second structure, this stock, this thigh support framework and this leg support flatly are placed on the seat of this chair.
16. a device comprises:
Stock, it has first end and the second end;
Holder, it is connected to the first end of this stock, and this holder has the size of the seat mount that is suitable for being connected to chair;
The thigh support framework, it comprises first and second portion, this first is pivotally connected to the second end of this stock; And
Leg support, it is connected to the second portion of this thigh support framework.
17. device as claimed in claim 16 wherein is placed in the lip-deep structure at this chair, this holder can be connected to the seat mount of this chair, and the first of this thigh support framework contacts with this surface.
18. device as claimed in claim 17, wherein in this structure, this stock extends towards top rake to this surface from the front end of the seat mount of this chair.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69746005P | 2005-07-08 | 2005-07-08 | |
| US60/697,460 | 2005-07-08 | ||
| US11/297,931 | 2005-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1891106A true CN1891106A (en) | 2007-01-10 |
Family
ID=37596499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610059448 Pending CN1891106A (en) | 2005-07-08 | 2006-03-03 | Footrest for chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1891106A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984971A (en) * | 2010-11-24 | 2013-03-20 | 大卫·纳达尔·柏林切斯 | Folding chair for simulation games operated by means of a steering wheel joystick and foot pedals |
| CN110621198A (en) * | 2017-05-23 | 2019-12-27 | 野醍冷却器有限责任公司 | Portable chair and method of forming a portable chair |
-
2006
- 2006-03-03 CN CN 200610059448 patent/CN1891106A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102984971A (en) * | 2010-11-24 | 2013-03-20 | 大卫·纳达尔·柏林切斯 | Folding chair for simulation games operated by means of a steering wheel joystick and foot pedals |
| CN110621198A (en) * | 2017-05-23 | 2019-12-27 | 野醍冷却器有限责任公司 | Portable chair and method of forming a portable chair |
| CN110621198B (en) * | 2017-05-23 | 2024-01-26 | 野醍冷却器有限责任公司 | Portable chair and method of forming a portable chair |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070110 |