US4564306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture fitting
Assignee: Juluis Blum GmbH
•
Filing: 1983-02-02
•
Granted: 1986-01-14
•
Expires: 2003-02-02
Abstract
Abstract A fitting for furniture parts includes a dowel casing and a screw or the like. The screw has a head extending into the dowel casing where it is held tight by a locking member. To facilitate the insertion of the screw into the dowel casing conical guide surfaces are provided on the dowel casing.
Inventors
- 👤 Erich Rock
- 👤 Helmut Hollenstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:18
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; F16B12/20; F16B12/2009; F16B12/2027; F16B12/2036; F16B2012/106; F16B2012/2018; F16B2012/2045; F16B2012/2081; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/1616; Y10T403/1624; Y10T403/46; Y10T403/4602
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
185 words
In a joining device for joining at right angles two furniture parts, said joining device including a pin-like connecting member to be fastened to one furniture part and having a head portion, a cylindrical dowel casing to be inserted into a bore in the other furniture part, said casing having an eccentrically positioned aperture through which extends said head of said connecting member, and a holding member rotatably mounted in an inclined orifice in said casing for contacting said head and fixing together said casing and said connecting member, the improvement of means for ensuring reliable insertion of said head into said aperture during assembly of the furniture parts, said means comprising: a generally funnel-shaped recess formed in said casing to lead into said aperture, said recess being elongated in directions generally transverse of a diametral plane of said casing extending through said orifice and said aperture, thereby guiding said head into said aperture during said assembly; and said recess extending around no more than 3/4 of the circumference of said aperture at locations other than that portion of said circumference directed toward said orifice.
Claim 2
Dependent Claim
185 words
In a joining device for joining at right angles two furniture parts, said joining device including a pin-like connecting member to be fastened to one furniture part and having a head portion, a cylindrical dowel casing to be inserted into a bore in the other furniture part, said casing having an eccentrically positioned aperture through which extends said head of said connecting member, and a holding member rotatably mounted in an inclined orifice in said casing for contacting said head and fixing together said casing and said connecting member, the improvement of means for ensuring reliable insertion of said head into said aperture during assembly of the furniture parts, said means comprising: a generally funnel-shaped recess formed in said casing to lead into said aperture, said recess being elongated in directions generally transverse of a diametral plane of said casing extending through said orifice and said aperture, thereby guiding said head into said aperture during said assembly; and said recess extending around no more than 3/4 of the circumference of said aperture at locations other than that portion of said circumference directed toward said orifice.
Claim 3
Dependent Claim
21 words
The improvement claimed in claim 1, wherein said recess extends around between 1/2 and 2/3 of said circumference of said aperture.
Claim 4
Dependent Claim
15 words
The improvement claimed in claim 1, wherein said recess is defined by interrupted wall portions.
Claim 5
Dependent Claim
30 words
The improvement claimed in claim 1, wherein said recess is defined by at least one wall which is curved in the direction of insertion of said head into said aperture.
References Cited (Backward Citations)
US1190491A
Cited
DE2358163A1
Cited
GB1533252A
Cited
US3966340A
Cited
GB2069091A
Cited
US4325649A
Cited
GB2080907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-13 | 1989-07-15 | 1990-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-13 | 1993-07-15 | 1994-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-13 | 1997-07-15 | 1998-01-14 | $7700.00 | Window Closed / Lapsed |