Connecting device for fastening together two thin plates in relative angular position
Abstract
Abstract A MECHANICAL DEVICE FOR CONNECTION OF TWO THIN PLATES IN RELATIVE ANGULAR POSITION, PREFERABLY OF ALUMINUM SHEETS, COMPRISING A MEMBER ADAPTED TO BE INSERTED INTO AN OPENING OF ONE OF THE PLATES, AND INCLUDING AN ENLARGED HEAD PORTION AT ONE END FORMING AN ABUTMENT SHOULDER, ADAPTED TO LIMIT THE INSERTION OF THE MEMBER INTO THE OPENING AND TO ABUT THE ONE OF THE PLATES ADJACENT THE OPENING. THE MEMBER HAS A SLOT STARTING FROM THE INSERTABLE END OF THE MEMBER AND EXTENDING SUBSTANTIALLY LONGITUDINALLY IN THE MEMBER AND PASSING CROSSWISE THROUGH THE MEMBER AND ADAPTED TO RECEIVE THE OTHER OF THE PLATES AND ORIENTED IN AN ANGULAR POSITION RELATIVE TO THAT OF THE ONE OF THE PLATES. THE HEAD PORTION HAS A RECESS ACCESSIBLE FROM THE ONE END THEREOF AND EXTENDS LONGITUDINALLY THEREFROM OVERLAPPING THE SLOT AND AT LEAST PARTIALLY EXTENDING THEREIN AND TERMINATING IN A RECESS END SPACED FROM THE INSERTABLE END. THE RECESS IS ADAPTED TO RECEIVE A TOOL AND IS ADAPTED TO RECEIVE FLANGE FORMATION FORMED ON THE OTHER OF THE PLATES AND TO PROJECT BEYOND THE SLOT, IN ORDER TO ATTACH THE OTHER OF THE PLATES TO THE MEMBER.
Inventors
- 👤 Gerard Friedling
- 👤 Marcel Chuard
Bibliographic Details
Claims Analysis
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |