US3148571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press unloader
Assignee: —
•
Filing: 1961-11-06
•
Granted: 1964-09-15
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:55
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/105; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/188; Y10T74/18808; Y10T83/00; Y10T83/202; Y10T83/2027; Y10T83/2029; Y10T83/2092; Y10T83/2181; Y10T83/2198; Y10T83/22; Y10T83/2205; Y10T83/2209; Y10T83/2216
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A PRESS UNLOADER COMPRISING SUPPORT MEANS ADAPTED FOR ATTACHMENT TO A STATIONARY PORTION OF A PRESS, A DRIVE ASSEMBLY MOUNTED ON SAID SUPPORT MEANS AND INCLUDING A PINION GEAR JOURNALLED THEREON, A TRAY ASSEMBLY MOUNTED ON SAID SUPPORT MEANS AND INCLUDING TRAY MEANS RECIPROCAL IN A DIRECTION TRANSVERSE TO THE TRAVEL OF A RECIPROCATING PORTION OF THE PRESS, MEANS ROTATABLY COUPLING SAID PINION GEAR WITH SAID TRAY ASSEMBLY FOR CONVERTING ROTATIONAL MOVEMENT OF SAID PINION INTO THE RECIPROCAL MOVEMENT OF SAID TRAY MEANS, RACK MEANS RECIPROCABLY MOUNTED ON SAID DRIVE ASSEMBLY AND HAVING A TOOTHED PORTION IN DRIVING ENGAGEMENT WITH SAID PINION GEAR AND SELF-OPERATING LOST MOTION COUPLING MEANS FOR EFFECTING A POSITIVE CONNECTION BETWEEN SAID RECIPROCATING PORTION OF THE PRESS AND SAID RACK MEANS DURING THE PORTION OF THE
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |