US3282489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable solenoid driven stapler
Assignee: THOMAS COLLATORS Inc
•
Filing: 1965-01-12
•
Granted: 1966-11-01
•
Expires: 1985-01-12
Abstract
No abstract record available.
Inventors
- 👤 Earl T March
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:09
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0228; B25C5/10; B25C5/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A MACHINE FOR FASTENING TOGETHER A GROUP OF SHEETS, A FASTENING DEVICE HAVING A KNOB AND AN ANVIL, A CAGE MOUNTED ON SAID BASE ENCLOSING SAID KNOB, A PULLER LINK HAVING A ROLLER JOURNALED THEREIN ENGAGING SAID STAPLER KNOB, A TOGGLE LINK HAVING AT ONE END A FIXED PIVOT IN SAID CAGE ABOVE SAID KNOB AND THE OTHER END CONNECTED TO SAID ROLLER, AND A SOLENOID MOUNTED ON SAID BASE IN BACK OF SAID ANVIL FOR PULLING SAID ROLLER JOURNALED PULLER LINK TO CAUSE SAID TOGGLE LINK TO SWING ABOUT ITS FIXED PIVOT AND THRUST AGAINST THE JOURNAL OF SAID ROLLER TO PUSH DOWN THE FRONT END OF SAID STAPLER KNOB AND SLIDE REARWARDLY THEREALONG AS ITS GOES DOWN TO EXERT AN INCREASING PRESSURE ON THE STAPLER KNOB.
Claim 2
Dependent Claim
129 words
IN A MACHINE FOR FASTENING TOGETHER A GROUP OF SHEETS, A FASTENING DEVICE HAVING A KNOB AND AN ANVIL, A CAGE MOUNTED ON SAID BASE ENCLOSING SAID KNOB, A PULLER LINK HAVING A ROLLER JOURNALED THEREIN ENGAGING SAID STAPLER KNOB, A TOGGLE LINK HAVING AT ONE END A FIXED PIVOT IN SAID CAGE ABOVE SAID KNOB AND THE OTHER END CONNECTED TO SAID ROLLER, AND A SOLENOID MOUNTED ON SAID BASE IN BACK OF SAID ANVIL FOR PULLING SAID ROLLER JOURNALED PULLER LINK TO CAUSE SAID TOGGLE LINK TO SWING ABOUT ITS FIXED PIVOT AND THRUST AGAINST THE JOURNAL OF SAID ROLLER TO PUSH DOWN THE FRONT END OF SAID STAPLER KNOB AND SLIDE REARWARDLY THEREALONG AS ITS GOES DOWN TO EXERT AN INCREASING PRESSURE ON THE STAPLER KNOB.
References Cited (Backward Citations)
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Cited
US2650360A
Cited
US2656537A
Cited
US2936454A
Cited
US2879510A
Cited
US3022512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |