US4250599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connector
Assignee: Piolax Inc
•
Filing: 1980-03-12
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Granted: 1981-02-17
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Expires: 2000-03-12
Abstract
Abstract A coupling device for coupling together a plurality of plates which includes a push pin which clasps one of the plates and which has a leg formed on its undersurface, a carrier box which is inserted and anchored in a slot formed in another of the plates and which has a slide slot formed in its undersurface and an engaging base which is loosely inserted into the slide slot of the carrier box so that it is free to move in a horizontal plane and which has arms formed on its upper surface that resiliently clasp the leg of the push pin.
Inventors
- 👤 Tsuneyasu Nagashima
- 👤 Kazunori Machida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:33
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0607; F16B5/0621; F16B5/0628; F16B21/00; F16B21/06; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
107 words
A coupling device for coupling together a plurality of plates, said coupling device comprising: a push pin which clasps one of said plates and which has a leg formed on its undersurface; a carrier box to be inserted into and anchored to a slot formed in another of said plates having a slide slot formed in an undersurface thereof; and an engaging base to be loosely inserted into said slide slot of said carrier box so that said engaging base is free to move in a horizontal plane, said engaging base comprising arms formed on its upper surface which resiliently clasp said leg of said push pin.
Claim 2
Dependent Claim
107 words
A coupling device for coupling together a plurality of plates, said coupling device comprising: a push pin which clasps one of said plates and which has a leg formed on its undersurface; a carrier box to be inserted into and anchored to a slot formed in another of said plates having a slide slot formed in an undersurface thereof; and an engaging base to be loosely inserted into said slide slot of said carrier box so that said engaging base is free to move in a horizontal plane, said engaging base comprising arms formed on its upper surface which resiliently clasp said leg of said push pin.
Claim 3
Dependent Claim
31 words
A coupling device according to claim 1, wherein clasping parts are formed on said push pin and said clasping parts include engaging claws which engage with a slot in said plate.
Claim 4
Dependent Claim
71 words
A coupling device according to claim 1, wherein one end of said slide slot in said carrier box is open, retaining arms which prevent the engaging base from slipping out of the slide slot are formed in said open end of said slide slot and said engaging base has a vertical leg formed on its undersurface which is loosely inserted into said slide slot through said gap between said retaining arms.
Claim 5
Dependent Claim
32 words
A coupling device according to claim 1, wherein tongue parts which extend upwardly and engage with the interior surface of the walls of said carrier box are formed on said engaging base.
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) | 1984-02-17 | 1984-08-18 | 1985-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-17 | 1988-08-18 | 1989-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-17 | 1992-08-18 | 1993-02-17 | $7700.00 | Window Closed / Lapsed |