[특허]Adjustable sling chair

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Adjustable sling chair

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47D-013/10
미국특허분류(USC)	297/279; 297/280; 297/281
출원번호	US-0437523 (2003-05-13)
발명자 / 주소	Nussbaum, Ursula
인용정보	피인용 횟수 : 6 인용 특허 : 8

초록

Methods and design for a sling chair are described, the sling chair has an adjustable backrest, footrest and headrest to achieve maximum comfort for a user. A stand for a sling chair of stable design is described as well.

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1. A sling chair adapted to be hung from an overhead structure, comprised of:a sling having backrest portion and a seat portion made of flexible fabric and formed to support a user, having left and right sides corresponding to the left and right sides of a user, forming left front, right front, left rear and right rear corners of the sling; attachment points are formed at the corners of the sling; a footrest made of suitable material for holding a user's feet, having attachment points formed on opposite ends of the footrest, and a first footrest rope attached to an attachment point on one end of the footrest and a second footrest rope attached to the opposite attachment point, and the attachment point of each corner of the sling has a length of rope affixed to it so a user will be supported in the chair when the other end of the ropes attached to the right corners and the first footrest rope are affixed to an overhead structure at a first location, and the other end of the ropes attached to the left corners and the second footrest rope are affixed to an overhead structure at a second location. 2. The sling chair of claim 1 including an adjustable headrest formed from a sheet of fabric, having a pillow section at one end and a counterweight section at the other end and draped over the backrest portion of the sling.3. The sling chair of claim 1 wherein the first footrest rope and the second footrest rope are adjustable in length to allow the relative height of the footrest to be adjusted.4. The sling chair of claim 1, wherein the ropes attaching the corner attachment points of the sling to the first and second locations are attached to their respective corner attachment points by;including right and left pole members, wherein one end of the right pole member is attached to the right rear corner attachment point and also to the right rear corner rope, and the opposite end of the right pole member is attached to the right front corner attachment point and also to the right front corner rope, the left pole member is attached at one end to the left rear corner attachment point and also to the left rear corner rope, and the opposite end of the left pole member is attached to the left front corner attachment point and also to the left front corner rope, thereby holding the front corners at a fixed distance from the back corners. 5. The sling chair of claim 4 wherein the rope connected to the right pole member end that is also affixed to the right rear corner attachment point, and the rope connected to the left pole member end that is also affixed to the left rear attachment point are each adapted to be adjustable in length, whereby the pitch of the backrest portion can be adjusted by a user.6. The sling chair of claim 4 wherein one or more attachment points and ropes are attached to a pole member by providing a slit in the end of the pole member and by placing the rope or D ring attached to the rope in the slit, and attaching an attachment point to the same slit by placing a D ring attached to the attachment point in the slit or, where an attachment point is a loop, by placing the loop in the slit.7. The sling chair of claim 6 further including an end cap placed over the end of a pole member after insertion of a loop, rope or D ring in the slit.8. The sling chair of claim 4 wherein the sling further includes left and right armrest portions affixed along the edges of the left and right sides of the sling.9. The sling chair of claim 8 wherein the armrest portions extend the length between the corners of the sling, sufficient to hold the upper and forearm portions of the arms of a user.10. The sling chair of claim 4 further including an overhead structure where the overhead structure is a freestanding stand.11. The sling chair of claim 10 where the stand comprises members connected with male/female connectors, and includes a U-shaped fork member having two ends, the fork member further having a male connector formed in the center of the fork member oriented at an angle substantially upwardly when the two ends of the fork member are resting upright on a surface, two feet members, one attached to one foot member attached to one end of the fork member and the other foot member attached to the other end of the fork member, the two ends of the fork member and the two feet member thereby together forming a base to be rested upon a surface, a back member connected to the male member of the fork member and an arch member connected at one end to the back member, and formed such that the end of the arch member distal the back member is centrally located above the area bounded by the fork member and the feet members.12. The sling chair of claim 11 wherein the U-shaped fork member male connector is oriented in a direction distal the feet members to cause a portion of the back member to be on the side of the fork member opposite that of the feet members, thereby distributing some weight of the sling chair on the side of the fork member distal the feet members.13. The sling chair of claim 4, further including a cross pole member having right and left ends that are adapted to be hung from an overhead structure, wherein the ropes attached to the right corners and the first footrest rope are also attached to the right end of the cross pole member, and the ropes attached to the left corners and the second footrest rope are also attached to the left end of the cross pole member.14. The sling chair of claim 13, wherein the cross pole member is adapted to be connected to an overhead structure by including a connection rope affixed to the cross member.15. The sling chair of claim 14 where the connection rope includes an eye swivel snap hook for adapting the sling chair to be connected to an overhead structure with the connection rope.16. The sling chair of claim 14 further including an overhead structure where the overhead structure is a freestanding stand.17. A method for adjusting a sling chair comprising the steps of:providing a sling chair comprised of a sling having a backrest portion and a seat portion made of flexible fabric and formed to support a user, having left and right sides corresponding to the left and right sides of a user the sling further including attachment points formed at left front, right front and left rear and right rear corners of the sling; a right pole member attached at one end to the right rear attachment point and attached at the opposite end to the right front attachment point, a left pole member is attached at one end to the left rear attachment point and attached at the opposite end to the left front attachment point so as to hold the sling in an opened configuration; a cross pole member adapted to be hung from an overhead structure having right and left ends, the right end being attached by rope to both ends of the right pole member, the left end being attached by rope to both ends of the left pole member; a footrest made of suitable material for holding a user's feet and having attachment points formed on opposite ends of the footrest, a first footrest rope that is adjustable in length connecting an attachment point on one end of the footrest to the left end of the cross member, a second footrest rope that is adjustable in length connecting the opposite attachment point to the right end of the cross member, and adjusting the length of the footrest ropes to alter the relative height of the footrest to achieve maximum comfort for a user. 18. The method of claim 17, further including the step ofadjusting the length of the ropes connecting the rear right pole member end to the right end of the cross pole member and adjusting in length the rope connecting the rear left pole member to the left end of the cross pole member to alter the relative pitch of the backrest portion to achieve maximum comfort for a user. 19. The method of claim 17 wherein the sling chair further includes an adjustable headrest formed from a sheet of fabric, having a pillow section at one end and a counterweight section at the other end and the headrest is draped over the backrest portion and further includes the step ofadjusting the height of the pillow to achieve maximum comfort for a user. 20. A stand for a sling chair, comprising:members connected with male/female connectors, the members including a U-shaped fork member having two ends, the fork member further having a male connector formed in the center of the fork member oriented at an angle substantially upwardly when the two ends of the fork member are resting upright on a surface, two feet members, one foot member attached to one end of the fork member and the other foot member attached to the other end of the fork member, the two ends of the fork member and the two feet members thereby together forming abase to be rested upon a surface, a back member connected to the male connector of the fork member and an arch member connected at one end to the back member, formed such that the end of the arch member distal the back member is centrally located above the area bounded by the fork member and the feet members. 21. The stand of claim 20 wherein the U-shaped fork member male connector is oriented in a direction distal the feet members to cause a portion of the back member to be on the side of the fork member opposite that of the feet members, thereby distributing some weight of the sling chair on the side of the fork member distal the feet members.

이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 6

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Adjustable sling chair

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이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 6

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특허 상세정보

Adjustable sling chair

초록

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이 특허에 인용된 특허 (8)

이 특허를 인용한 특허 피인용횟수: 6

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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