US4119286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture frames
Assignee: Individual
•
Filing: 1977-03-28
•
Granted: 1978-10-10
•
Expires: 1997-03-28
Abstract
Abstract A furniture frame including an assembly of tubular components of thermoplastic material in which the connections between the components are constituted by part of one component in the shape of a flattened bend, passed through by a second tubular component and elastically gripping the second component, there being an annular groove formed in the interior of the flattened bend, in which can engage at least two studs which project from the opposed surface of the second tubular component.
Inventors
- 👤 Claude Barril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:16
CPC Classifications
A; A47; A47B; A47B13/00; A47B13/02; A47B13/021; A47C; A47C4/00; A47C4/02; A47C4/03; A47C5/00; A47C5/12; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
220 words
A furniture frame comprising first and second tubular frame components, and joint means for securing said components together and comprising a joint portion of said first component, and a joint portion of said second component, said joint portion of said first component comprising a tubular exterior surface and at least two studs secured to said first component, each stud having a head projecting outwardly from said surface, said studs being coplanar and spaced from each other circumferentially of said exterior surface, said joint portion of said second component being integral with said second component and comprising a flattened portion located between two straight portions thereof extending at an angle to each other, said flattened portion extending around and exerting a resilient clamping action on said tubular exterior surface of said first component, said flattened portion having an annular groove in its interior surface extending circumferentially of the first component; said stud heads each extending into said groove to lock said components and prevent longitudinal separation of said first component from said second component, whereby, spreading said straight portions apart simultaneously unclamps and unlocks said second component from said first component for insertion and removal of the first component, and releasing said straight portions with the first component positioned in the flattened portion of the second component locks the components together.
Claim 2
Dependent Claim
220 words
A furniture frame comprising first and second tubular frame components, and joint means for securing said components together and comprising a joint portion of said first component, and a joint portion of said second component, said joint portion of said first component comprising a tubular exterior surface and at least two studs secured to said first component, each stud having a head projecting outwardly from said surface, said studs being coplanar and spaced from each other circumferentially of said exterior surface, said joint portion of said second component being integral with said second component and comprising a flattened portion located between two straight portions thereof extending at an angle to each other, said flattened portion extending around and exerting a resilient clamping action on said tubular exterior surface of said first component, said flattened portion having an annular groove in its interior surface extending circumferentially of the first component; said stud heads each extending into said groove to lock said components and prevent longitudinal separation of said first component from said second component, whereby, spreading said straight portions apart simultaneously unclamps and unlocks said second component from said first component for insertion and removal of the first component, and releasing said straight portions with the first component positioned in the flattened portion of the second component locks the components together.
Claim 3
Dependent Claim
41 words
A furniture frame according to claim 1, in which each stud has a hemispherical head fixed to a body embedded in the wall of the first tubular component, and said groove has a cross-section corresponding to the heads of the studs.
Claim 4
Dependent Claim
22 words
A furniture frame according to claim 2, in which there are three of the studs, with intervals between them of substantially 120°.
Claim 5
Dependent Claim
18 words
An article of furniture having a frame including a plurality of the joints means defined in claim 1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-09 | 1982-04-10 | 1982-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-09 | 1986-04-10 | 1986-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-09 | 1990-04-10 | 1990-10-10 | $7700.00 | Window Closed / Lapsed |