US3676898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector for plates
Assignee: Julius Blum GmbH
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Filing: 1970-09-11
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Granted: 1972-07-18
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Expires: 1990-09-11
Abstract
Abstract A connector is provided which is made of two coaxial parts having interengaging projections and recesses. The recesses are bounded by walls having saw tooth shaped grooves engaging like grooves on the projections. The parts also have saw tooth shaped peripheral grooves.
Inventors
- 👤 Erich Rock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:43
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; F16B12/20; Y; Y10; Y10S; Y10S403/00; Y10S403/11; Y10T; Y10T403/00; Y10T403/44; Y10T403/55
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
132 words
A connector adapted for use in a bore in a furniture piece, said connector comprising two parts adapted to be inserted into said bore from opposite sides, said parts being provided with peripheral grooves in the form of oppositely directed saw teeth, said parts including axial projections and being provided with recesses, the projection of each part penetrating into the recess of the other part, each part including a wall bounding the corresponding recess, said projections resting against said walls when the parts are fitted together, said projections being provided with grooves on their inner surfaces and said walls being provided with grooves on their outer surfaces, the latter said grooves corresponding to each other and having the form of sawteeth, each part including a second wall axially limiting the corresponding recess.
Claim 2
Dependent Claim
132 words
A connector adapted for use in a bore in a furniture piece, said connector comprising two parts adapted to be inserted into said bore from opposite sides, said parts being provided with peripheral grooves in the form of oppositely directed saw teeth, said parts including axial projections and being provided with recesses, the projection of each part penetrating into the recess of the other part, each part including a wall bounding the corresponding recess, said projections resting against said walls when the parts are fitted together, said projections being provided with grooves on their inner surfaces and said walls being provided with grooves on their outer surfaces, the latter said grooves corresponding to each other and having the form of sawteeth, each part including a second wall axially limiting the corresponding recess.
Claim 3
Dependent Claim
18 words
A connector as claimed in claim 1 wherein said projections and recesses are spaced irregularly on said parts.
Claim 4
Dependent Claim
14 words
A connector as claimed in claim 1 wherein said projections include bevelled free ends.
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |