Patent US3144653A successfully refreshed from Google Patents.
US3144653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapling machine
Assignee: Swingline Inc
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Filing: 1962-09-19
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Granted: 1964-08-18
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Sheldon I Kohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:53
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0242; B25C5/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
319 words
A STAPLING MACHINE COMPRISING A BASE, AN ANVIL UPON SAID BASE, A MAGAZINE PIVOTALLY CONNECTED TO SAID BASE, SAID MAGAZINE HAVING AN INWARDLY OFFSET FRONT PORTION AND PROVIDED WITH A SUBSTANTIALLY VERTICAL STAPLE DISCHARGE OPENING THEREWITHIN; A SPRING LOADED FOLLOWER WITHIN SAID MAGAZINE, AN OPENABLE COVER HAVING OPPOSITELY DISPOSED SPACED SIDE PORTIONS NORMALLY OVERLYING SAID MAGAZINE AND PIVOTALLY CONNECTED THERETO, A CAP OVERLYING SAID COVER AND PIVOTALLY CONNECTED THERETO, A PAIR OF FIRST SPACED LEAF SPRING MEMBERS SECURED TO SAID CAP NORMALLY HOLDING SAID CAP AWAY FROM SAID COVER, EACH OF SAID SPRING MEMBERS ABUTTING AN OPPOSITE SIDE PORTION OF SAID COVER, A DRIVER BLADE SECURED TO SAID CAP, SAID DRIVER BLADE HAVING A DRIVING PORTION ADAPTED TO MOVE WITHIN THE STAPLE DISCHARGE OPENING WITHIN SAID MAGAZINE AND A SECURING PORTION AT SUBSTANTIALLY RIGHT ANGLES TO SAID DRIVING PORTION, THE SECURING PORTION OF SAID DRIVER BLADE NORMALLY OVERLYING THE OFFSET FRONT PORTION OF SAID MAGAZINE AND FORWARD OF SAID STAPLE DISCHARGE OPENING, A DOWNWARDLY EXTENDING SECOND CURVED LEAF SPRING MEMBER SECURED TO SAID CAP ADJACENT THE SECURING PORTION OF SAID DRIVER BLADE, SAID SPRING PROVIDED WITH AN OPENING WITHIN ITS FORWARD PORTION, A TOP MEMBER OVERLYING SAID CAP, SAID TOP MEMBER HAVING SEPARATE FIRST AND SECOND PORTIONS ADJACENT ONE ANOTHER, THE FIRST PORTION OF SAID CAP BEING MADE OF FLEXIBLE MATERIAL AND HAVING A PAIR OF SIDE MEMBERS STRADDLING THE ADJACENT SIDE PORTIONS OF SAID CAP AND EXTENDING THEREBENEATH, AN INWARDLY EXTENDING BOSS UPON THE INTERIOR OF EACH OF THE EXTENDING PORTIONS OF SAID SIDE MEMBERS, THE SECOND PORTION OF SAID TOP MEMBER HAVING AN OPENING AT ITS FORWARD PORTION AND BACKING MEANS BEHIND SAID OPENING, A CURVED INSERT MEMBER LARGER THAN SAID OPENING NORMALLY COMPRESSIBLY DISPOSED BETWEEN SAID OPENING AND SAID BACKING MEANS, SAID SECOND PORTION OF SAID TOP MEMBER ALSO HAVING AN INTERMEDIATE HOLDING PORTION NORMALLY SECURED WITHIN THE OPENING WITHIN SAID SECOND CURVED LEAF SPRING MEMBER.
Claim 2
Dependent Claim
319 words
A STAPLING MACHINE COMPRISING A BASE, AN ANVIL UPON SAID BASE, A MAGAZINE PIVOTALLY CONNECTED TO SAID BASE, SAID MAGAZINE HAVING AN INWARDLY OFFSET FRONT PORTION AND PROVIDED WITH A SUBSTANTIALLY VERTICAL STAPLE DISCHARGE OPENING THEREWITHIN; A SPRING LOADED FOLLOWER WITHIN SAID MAGAZINE, AN OPENABLE COVER HAVING OPPOSITELY DISPOSED SPACED SIDE PORTIONS NORMALLY OVERLYING SAID MAGAZINE AND PIVOTALLY CONNECTED THERETO, A CAP OVERLYING SAID COVER AND PIVOTALLY CONNECTED THERETO, A PAIR OF FIRST SPACED LEAF SPRING MEMBERS SECURED TO SAID CAP NORMALLY HOLDING SAID CAP AWAY FROM SAID COVER, EACH OF SAID SPRING MEMBERS ABUTTING AN OPPOSITE SIDE PORTION OF SAID COVER, A DRIVER BLADE SECURED TO SAID CAP, SAID DRIVER BLADE HAVING A DRIVING PORTION ADAPTED TO MOVE WITHIN THE STAPLE DISCHARGE OPENING WITHIN SAID MAGAZINE AND A SECURING PORTION AT SUBSTANTIALLY RIGHT ANGLES TO SAID DRIVING PORTION, THE SECURING PORTION OF SAID DRIVER BLADE NORMALLY OVERLYING THE OFFSET FRONT PORTION OF SAID MAGAZINE AND FORWARD OF SAID STAPLE DISCHARGE OPENING, A DOWNWARDLY EXTENDING SECOND CURVED LEAF SPRING MEMBER SECURED TO SAID CAP ADJACENT THE SECURING PORTION OF SAID DRIVER BLADE, SAID SPRING PROVIDED WITH AN OPENING WITHIN ITS FORWARD PORTION, A TOP MEMBER OVERLYING SAID CAP, SAID TOP MEMBER HAVING SEPARATE FIRST AND SECOND PORTIONS ADJACENT ONE ANOTHER, THE FIRST PORTION OF SAID CAP BEING MADE OF FLEXIBLE MATERIAL AND HAVING A PAIR OF SIDE MEMBERS STRADDLING THE ADJACENT SIDE PORTIONS OF SAID CAP AND EXTENDING THEREBENEATH, AN INWARDLY EXTENDING BOSS UPON THE INTERIOR OF EACH OF THE EXTENDING PORTIONS OF SAID SIDE MEMBERS, THE SECOND PORTION OF SAID TOP MEMBER HAVING AN OPENING AT ITS FORWARD PORTION AND BACKING MEANS BEHIND SAID OPENING, A CURVED INSERT MEMBER LARGER THAN SAID OPENING NORMALLY COMPRESSIBLY DISPOSED BETWEEN SAID OPENING AND SAID BACKING MEANS, SAID SECOND PORTION OF SAID TOP MEMBER ALSO HAVING AN INTERMEDIATE HOLDING PORTION NORMALLY SECURED WITHIN THE OPENING WITHIN SAID SECOND CURVED LEAF SPRING MEMBER.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |