Self-locking snap fastener
Abstract
Abstract A FEMALE COMPONENT IS FORMED BY A HEADED SHANK HAVING AN AXIAL OPENING THERETHROUGH AND AN OPENING RESTRICTING ANNULUS PROJECTING INTO SAID OPENING ANGLING IN AN AXIAL DIRECTION AWAY FROM A SHANK FREE END. THE AN NULUS TAPERS INWARDLY AND TERMINATES INWARDLY IN EITHER A FLAT RADIAL PORTION AXIALLY OPPOSITE SAID SHANK FREE END OR IN AN ARCUATE EDGE. A MALE COMPONENT HAS A HEADED SHANK WITH AN ANNULAR GROOVE, SAID MALE COMPONENT SHANK BEING RECEIVED THROUGH THE FREE END OF THE FEMALE COMPONENT SHANK AND INTO THE FEMALE COMPONENT SHANK OPENING. THE FEMALE COMPONENT ANNULUS ENGAGES IN THE MALE COMPONENT SHANK GROOVE, THE ANNULUS FLAT PORTION ENGAGING A FLAT SIDE OF THE GROOVE FOR PERMANENT LOCKING OR THE ANNULUS ARCUATE EDGE ENGAGES AN ARCUATE OUTER EDGE OF THE GROOVE FOR SELECTIVE RELEASE. BOTH COMPONENTS MAY BE FORMED OF A RESILIENTLY DEFORMABLE PLASTIC AND THE MALE COMPONENT SHANK MAY BE AXIALLY SLOTTED OR THE FEMALE COMPONENT ANNULUS MAY BE RADIALLY SLOTTED TO INCREASE RESILIENT DEFORMATION AND FACILITATE ASSEMBLY.
Inventors
- 👤 Walter W Mosher Jr
- 👤 Donald A Long
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |