Patent EP0050479A1 successfully refreshed from Google Patents.
US4767160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for use in a kneeling-like sitting position
Assignee: Individual
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Filing: 1986-02-13
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Granted: 1988-08-30
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Expires: 2006-02-13
Abstract
Abstract A device for use in a kneeling-like sitting position having a per se known, optionally tiltable and optionally height-adjustable chair seat on a chair supporting a person's posterior, and having at least one cushion supporting the person's knee/calf area, said cushion or cushions being supported by a support frame, which preferably is detachably mounted on the frame of the chair or parts of said frame. Optionally, a five-branch crossed base may form part of the chair frame, said support frame being made to engage with the outer section of two of the branches of the crossed base.
Inventors
- 👤 Hans C. Mengshoel
- 👤 Peter Opsvik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:59
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/50; A47C7/52; A47C7/506; A47C9/00; A47C9/002; A47C9/005
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
239 words
A furniture arrangement for use in a kneeling-like sitting position, comprising a chair having a seat, a chair frame and a support column, said chair frame having at least four branches extending from a central portion of the chair frame and forming a single, unitary structure at said central portion, two of said branches having a length substantially longer than the length of the remaining of said at least four branches and defining two support frame arms each having a free end remote from said central portion; supporting means to support the person's knee and calf area having at least one cushion, the cushion having engaging means, and being supported by said support frame arms at the free ends thereof and in such a way as to provide an adequate space for movement of the legs of the user, said two arms defining a substantial angle so that the central portion of the chair frame and said free end of each arm define a substantially elongated triangle to enhance the stability of the arrangement, and a receiving unit extending from each said free end of each arm to slidably receive said engaging means of the cushion, at least one rolling means being provided at each end free of said arms and at each free end of said remaining branches, said rolling means being rotatable relative to said free ends and along a surface of a floor supporting said arrangement.
Claim 2
Dependent Claim
239 words
A furniture arrangement for use in a kneeling-like sitting position, comprising a chair having a seat, a chair frame and a support column, said chair frame having at least four branches extending from a central portion of the chair frame and forming a single, unitary structure at said central portion, two of said branches having a length substantially longer than the length of the remaining of said at least four branches and defining two support frame arms each having a free end remote from said central portion; supporting means to support the person's knee and calf area having at least one cushion, the cushion having engaging means, and being supported by said support frame arms at the free ends thereof and in such a way as to provide an adequate space for movement of the legs of the user, said two arms defining a substantial angle so that the central portion of the chair frame and said free end of each arm define a substantially elongated triangle to enhance the stability of the arrangement, and a receiving unit extending from each said free end of each arm to slidably receive said engaging means of the cushion, at least one rolling means being provided at each end free of said arms and at each free end of said remaining branches, said rolling means being rotatable relative to said free ends and along a surface of a floor supporting said arrangement.
Claim 3
Dependent Claim
25 words
A device as disclosed in claim 1 characterized in that the support frame has been provided with means to make said knee/calf supporting cushion height-adjustable.
Claim 4
Dependent Claim
27 words
An arrangement according to claim 1 wherein a longitudinal axis of each receiving unit is substantially parallel to an axis of a support column of the chair.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-30 | 1992-02-29 | 1992-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-30 | 1996-02-29 | 1996-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-30 | 2000-02-29 | 2000-08-30 | $7700.00 | Window Closed / Lapsed |