US3224657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blind anvil fastening device
Assignee: SPEEDFAST CORP
•
Filing: 1962-05-31
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Granted: 1965-12-21
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Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Zike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:49
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/02; B25C5/0221; B25C5/0257; B25C5/0264; B25C5/0271; B25C5/0278; B25C5/04; B25C5/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
FEED MECHANISM FOR FASTENING DEVICE UTILIZING A PLURALITY OF INTERCONNECTED FASTENER BLANKS AND HAVING FORMING AND DRIVING MEANS THEREUPON, COMPRISING A FORMER BLOCK FRONT AND REAR PORTIONS AND PROVIDED WITH AN OPENING THEREWITHIN, A CAM RETRACTABLE MOVABLE BY THE ACTION OF SAID DRIVING MEANS, SAID CAM HAVING LATERAL PORTIONS THEREUPON NORMALLY STRADDLING AND LATERALLY ALIGNED WITH THE FRONT PORTION OF SAID FORMER BLOCK BUT DISPOSED REARWARDLY THEREOF WHEN SAID CAM IS MOVED RETRACTABLY, SAID CAM ALSO HAVING A PORTION WITHIN SAID OPENING, SPRING MEANS NORMALLY URGING SAID CAMI EXTENDABLY, SAID FORMING MEANS FORMING LEG PORTIONS UPON A FASTENER BLANK WHILE SAID BLANK IS CONNECTED TO THE REMAINING BLANKS, SAID FORMED LEGS BEING INTERPOSED IN ADVANCE OF SAID LATERAL PORTIONS OF SAID CAM WHEN SAID CAM IS IN A REARWARD POSITION, SAID CAM BEING THENCE RELEASED SO THAT SAID FORMED STAPLE PULLS THE REMAINDER OF FASTENER BLANKS FORWARDLY.
Claim 2
Dependent Claim
147 words
FEED MECHANISM FOR FASTENING DEVICE UTILIZING A PLURALITY OF INTERCONNECTED FASTENER BLANKS AND HAVING FORMING AND DRIVING MEANS THEREUPON, COMPRISING A FORMER BLOCK FRONT AND REAR PORTIONS AND PROVIDED WITH AN OPENING THEREWITHIN, A CAM RETRACTABLE MOVABLE BY THE ACTION OF SAID DRIVING MEANS, SAID CAM HAVING LATERAL PORTIONS THEREUPON NORMALLY STRADDLING AND LATERALLY ALIGNED WITH THE FRONT PORTION OF SAID FORMER BLOCK BUT DISPOSED REARWARDLY THEREOF WHEN SAID CAM IS MOVED RETRACTABLY, SAID CAM ALSO HAVING A PORTION WITHIN SAID OPENING, SPRING MEANS NORMALLY URGING SAID CAMI EXTENDABLY, SAID FORMING MEANS FORMING LEG PORTIONS UPON A FASTENER BLANK WHILE SAID BLANK IS CONNECTED TO THE REMAINING BLANKS, SAID FORMED LEGS BEING INTERPOSED IN ADVANCE OF SAID LATERAL PORTIONS OF SAID CAM WHEN SAID CAM IS IN A REARWARD POSITION, SAID CAM BEING THENCE RELEASED SO THAT SAID FORMED STAPLE PULLS THE REMAINDER OF FASTENER BLANKS FORWARDLY.
References Cited (Backward Citations)
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Cited
US1442857A
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US2722001A
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GB788632A
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US2897502A
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US2987725A
Cited
US3029436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |