Link for control linkage
Abstract
Abstract A LINK CONSISTING ESSENTIALLY OF TWO IDENTICAL ELONGATED SPRING LAMINAE, EACH HAVING A HOLE THERETHROUGH, AND SANDWICHED TOGETHER ALONG THEIR LENGTHS, OVERLAPPING EACH OTHER AND SECURED TOGETHER AT THEIR INTERMEDIATE PORTIONS, SO THAT SAID LINK IS LONGER THAN EITHER LAMINA. EACH LAMINA HAS ITS SAID HOLE IN ITS OVERLAPPED END, SUCH HOLE OPENING OVER THE SURFACE OF THE CORRESPONDING OVERLAPPING LAMINA END. CORRESPONDING LAMINAE ENDS ARE MANUALLY FORCIBLY SPREAD APART TO RECEIVE BETWEEN THEM ANOTHER LINK HAVING A BALL OR THE LIKE WHICH PROTRUDES INTO THE CORRESPONDING HOLE. THE LATTER LINK IS SANDWICHED BETWEEN THE SAID LAMINAE WHEN THE LAMINAE ENDS ARE RELEASED FROM MANUAL FORCE SPREADING THEM APART.
Inventors
- 👤 James L Mccarthy
Bibliographic Details
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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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |