[특허]Node seat to base mounting assembly

Steelcase Inc.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Node seat to base mounting assembly

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47B-083/02 A47C-007/68 A47B-039/00 F16M-011/22 A47C-007/00 A47C-007/70 A47C-003/12 A47C-003/18 A47C-005/12
출원번호	US-0179888 (2014-02-13)
등록번호	US-9414685 (2016-08-16)
발명자 / 주소	Corcorran, Sean M Machin, Keith Robert Holstege, Cody Jay Carey, William Cheng, Larry Oberwelz, Elger Overthun, Thomas Scherrer, Lukas Martin Student, Joerg Christoph Battey, David J Deevers, Nickolaus William Charles
출원인 / 주소	Steelcase Inc.
대리인 / 주소	Quarles & Brady LLP
인용정보	피인용 횟수 : 0 인용 특허 : 91

초록

A seating unit for use in a space including a floor surface, the seating unit comprising a base including a bottom ring adapted to be supported above the floor surface, a pan attached to the bottom ring and adapted to support articles above the floor surface, a central hub positioned above the pan and legs extending from the central hub to the bottom ring and a seat structure comprising a one-piece seat shell rotatably attached to and positioned above the central hub.

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1. A seating unit for use in a space including a floor surface, the seating unit comprising: a base including a continuous bottom ring adapted to be supported above the floor surface, a pan attached to the bottom ring and including a top pan surface adapted to support articles above the floor surface, the continuous bottom ring forming a continuous and unbroken peripheral barrier about the top pan surface that extends upward from the top pan surface and forming a top ring surface at a height above the top pan surface, a central hub positioned above the pan and legs extending from the central hub and connected at lower ends to the top ring surface, the top pan surface disposed at a height lower than the top ring surface, the base further including casters mounted below the bottom ring and supporting the bottom ring above the floor surface; anda seat structure comprising a one-piece seat shell rotatably attached to and positioned above the central hub for rotation about a first vertical axis. 2. The seating unit of claim 1, wherein the one-piece seat shell comprises a seat and back. 3. The seating unit of claim 2, wherein the one-piece seat shell further comprises armrests. 4. The seating unit of claim 1, wherein the pan is substantially flat. 5. The seating unit of claim 1, wherein the pan curves slightly upward along a periphery of the pan adjacent the peripheral barrier so that a central portion of the top pan surface is lower than a peripheral portion of the top pan surface proximate the peripheral barrier. 6. The seating unit of claim 1, wherein the pan includes a peripheral portion adjacent the peripheral barrier and a central portion spaced inward from the peripheral barrier and wherein the central portion forms a plurality of holes that are upwardly exposed and that extend unobstructed through the pan. 7. The seating unit of claim 6, wherein the plurality of holes are arranged in a pattern that radiates outwardly from a central point on the top pan surface toward the peripheral portion of the top pan surface. 8. The seating unit of claim 7, wherein the pattern is generally disposed central to the pan. 9. The seating unit of claim 8, wherein the pattern comprises a radial array of the plurality of holes. 10. The seating unit of claim 7, wherein the pattern comprises a radial array of the plurality of holes. 11. The seating unit of claim 1 further comprising a tablet assembly, the tablet assembly including a support arm mounted to the base between the central hub and an undersurface of the seat shell for rotation about the first vertical axis, the support arm extending from the central hub to a distal end that extends upward to a height above the height of a seat portion of the seating structure, the tablet assembly further including a tablet member supported at the distal end of the support arm at a height above the seat portion. 12. The seating unit of claim 1, wherein the legs are curved. 13. The seating unit of claim 12, wherein the base comprises three or more legs. 14. The seating unit of claim 1, wherein the casters are offset from the legs and are mounted directly below an undersurface of the bottom ring. 15. The seating unit of claim 1, wherein the base further includes glides. 16. The seating unit of claim 15, wherein the glides are offset from the legs. 17. The seating unit of claim 1, wherein the seating unit further comprises a mounting bracket for connecting the seat structure to the base. 18. The seating unit of claim 17, wherein the mounting bracket comprises a female connector and the base further comprises a cup attached to the base and a base tube having a first end inserted into the cup and a second end mateably engaging the female connector. 19. The seating unit of claim 18 further comprising a tablet assembly including a support arm having a mounting collar on an end, wherein the base tube extends through the mounting collar. 20. The seating unit of claim 17, wherein the pan includes a peripheral portion proximate the continuous barrier and a central portion surrounded by the peripheral portion and spaced inward and apart from the continuous barrier, the central portion forms a plurality of holes and wherein the plurality of holes are arranged in a pattern, each hole upwardly open and unobstructed. 21. The seating unit of claim 20, wherein the pattern is generally disposed central to the pan. 22. The seating unit of claim 21, wherein the pattern comprises a radial array of the plurality of holes. 23. The seating unit of claim 20, wherein the pattern comprises a radial array of the plurality of holes. 24. The seating unit of claim 1, wherein the central hub and legs are integral. 25. The seating unit of claim 1, wherein the central hub, legs and bottom ring are integral. 26. A seating unit comprising: a base having a lower end adapted to be supported above a floor surface, the base comprising:a continuous bottom ring having top and bottom ring surfaces and forming a continuous and unbroken peripheral barrier between the top and bottom ring surfaces that extends upward from the bottom surface to the top surface;a pan including a top pan surface having a central portion and a peripheral portion, the peripheral portion of the top pan surface attached to the bottom ring with the central portion of the top pan surface facing upward and spaced inward of the continuous peripheral barrier, the central portion of the top pan surface adapted to support articles above the floor surface; andthree or more legs extending from a central hub and connected at lower ends to the top surface of the bottom ring; anda seat structure rotatably attached to and positioned above the central hub and comprising:a backrest, a seat and armrests formed as a one-piece shell; anda mounting bracket attached to a bottom of the seat. 27. The seating unit of claim 26 further comprising a tablet assembly, the tablet assembly including a support arm and a tablet member, the support arm including a rigid tube having first and second ends and a curved portion between the first and second ends, the first end mounted to the central hub for rotation about a vertical axis and the second end extending upward to a height above a seat portion of the seat structure, the tablet member mounted to the second end of the curved portion at a height above the seat portion. 28. The seating unit of claim 26, wherein the seat structure further comprises two or more protrusions molded into and integral with the seat. 29. The seating unit of claim 28, wherein each protrusion is adapted to receive a fastener. 30. The seating unit of claim 29, wherein the mounting bracket comprises two or more apertures and is attached to the bottom of the seat by passing a fastener through an aperture in the mounting bracket and into a protrusion. 31. The seating unit of claim 30, wherein the mounting bracket is x-shaped. 32. The seating unit of claim 26, wherein the three or more legs are curved. 33. The seating unit of claim 32, wherein the three or more legs, central hub and bottom ring are integral. 34. The seating unit of claim 26, wherein the plurality of holes are arranged in a pattern. 35. The seating unit of 34, wherein the pattern is generally disposed central to the pan. 36. The seating unit of claim 35, wherein the pattern comprises a radial array of the plurality of holes. 37. The seating unit of claim 34, wherein the pattern comprises a radial array of the plurality of holes. 38. The seating unit of claim 26, wherein the base includes casters. 39. The seating unit of claim 26, wherein the base includes glides. 40. A seating unit comprising: a base having a lower end adapted to receive casters supported by a floor surface, the base comprising:a continuous bottom ring having top and bottom ring surfaces and forming a continuous and unbroken peripheral barrier between the top and bottom ring surfaces that extends upward from the bottom surface to the top surface;a substantially flat pan including a top pan surface having a central portion and a peripheral portion, the peripheral portion of the top pan surface attached to the bottom ring with the central portion of the top pan surface facing upward and spaced inward of the continuous peripheral barrier, the central portion of the top pan surface adapted to support articles above the floor surface;three or more curved legs extending from a central hub and connected at bottom ends to the top surface of the bottom ring; anda seat structure rotatably attached to and positioned above the central hub and comprising:a backrest, a seat and armrests formed as a one-piece shell;two or more protrusions molded into and integral with the seat, each protrusion adapted to receive a fastener; anda mounting bracket attached to a bottom of the seat, the mounting bracket including two or more apertures;wherein the mounting bracket is attached to the bottom of the seat by passing a fastener through an aperture in the mounting bracket and into a protrusion. 41. The seating unit of claim 40 further comprising a tablet assembly. 42. The seating unit of claim 40, wherein the top surface of the pan includes a peripheral portion proximate the continuous barrier and a central portion and wherein the central portion forms the holes and each hole opens upward and is unobstructed. 43. The seating unit of claim 42, wherein the pattern comprises a radial array of the plurality of holes. 44. The seating unit of claim 40, wherein the pattern comprises a radial array of the plurality of holes. 45. The seating unit of claim 1 wherein the bottom ring has a top surface and a bottom surface, each leg member terminating at the top surface and the pan mounted to the bottom surface. 46. The seating unit of claim 45 further including a plurality of casters supporting the bottom ring, an undersurface of the pan located at a height below top surfaces of each of the plurality of casters. 47. The seating unit of claim 1 wherein the central hub, legs and bottom ring are formed as a single component. 48. The seating unit of claim 1 wherein the legs are directly connected to the bottom ring. 49. The seating unit of claim 1 wherein the pan has a central point centrally located on the top surface of the pan and wherein the seating unit is connected to the central hub for rotation about an axis that passes through the central point on the pan. 50. The seating unit of claim 1 wherein the seat structure is rotatably attached to the central hub for rotation through 360 degrees about a rotation axis. 51. The seating unit of claim 50 further including a tablet assembly that includes a tablet support arm and a tablet member, the tablet support arm mounted at a first end to the central hub for rotation about the same rotation axis as the seating structure, the tablet member mounted at a second end of the tablet support arm at a height above the height of a seat portion of the seating structure. 52. The seating unit of claim 1 wherein each of the legs extends laterally from the central hub to the top ring surface and wherein each leg extends laterally the same distance. 53. A seating unit for use in a space including a floor surface, the seating unit comprising: a plurality of casters;a continuous bottom ring adapted to be supported by the casters above the floor surface, the bottom ring including a ring top surface and a ring undersurface;a pan attached to the bottom ring and including a top pan surface adapted to support articles above the floor surface;a central hub;a plurality of legs extending from the top surface of the bottom ring to the central hub to support the central hub at a location spaced above the top pan surface;a seat structure comprising a seat rotatably attached to and positioned above the central hub for rotation through 360 degrees about a first vertical axis;a tablet support arm member including first and second ends, the first end rotatably attached to the central hub for rotation about the first vertical axis independent of rotation for the seat structure; anda tablet member supported at the second end of the tablet support arm at a height above the height of the seat. 54. The seating unit of claim 53 wherein the tablet member is mounted to the second end of the tablet support arm for rotation about a second vertical axis that is horizontally spaced apart from the first vertical axis. 55. The seating unit of claim 53 wherein the pan includes a central point and wherein the first vertical axis passes through the central point o the pan. 56. The seating unit of claim 53 wherein each of the legs extends laterally from the central hub to the top ring surface and wherein each leg extends laterally the same distance. 57. The seating unit of claim 53 wherein the pan includes a bottom surface and the top pan surface includes a peripheral portion proximate the ring and a central portion spaced inward from the ring, each caster including a top caster surface, the top pan surface is concave.

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Node seat to base mounting assembly

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Node seat to base mounting assembly

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이 특허에 인용된 특허 (91)

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