US3130770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clinching tools and units
Assignee: British Federal Welder and Machine Co Ltd
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Filing: 1961-03-03
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Granted: 1964-04-28
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Tribe Thomas Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:41
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/02; B21D39/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A CLINCHING TOOL COMPRISING A FRAME, A TABLE TILTABLY MOUNTED ON THE FRAME, A MEMBER TO FOLD OVER AN UPSTANDING FLANGE OF A SHEET METAL PANEL SO THAT IT IS ACUTELY INCLINED TO THE PANEL SURFACE WHICH MEMBER IS PIVOTALLY MOUNTED ON SAID TABLE FOR MOVEMENT TOWARDS AND AWAY FROM THE UPSTANDING FLANGE, MEANS TO TILT SAID TABLE TO BRING THE PIVOTAL AXIS OF SUCH FOLD-OVER MEMBER TO A POSITION AT WHICH THE DIRECTION OF MOVEMENT OF SAID FOLDOVER MEMBER IS SUBSTANTIALLY NORMAL TO THE SURFACE OF THE UPSTANDING FLANGE, A MEMBER TO PRESS THE FOLDED-OVER FLANGE TOWARDS THE PANEL SURFACE WITH A CLINCHING ACTION WHICH MEMBER IS SWINGABLY MOUNTED ON THE TABLE FOR MOVEMENT TOWARDS AND AWAY FROM THE PANEL SURFACE, MEANS TO ACTUATE SUCH PRESSER MEMBER AND MEANS TO ACTUATE SAID FOLD-OVER MEMBER BY WAY OF SAID PRESSER MEMBER.
Claim 2
Dependent Claim
141 words
A CLINCHING TOOL COMPRISING A FRAME, A TABLE TILTABLY MOUNTED ON THE FRAME, A MEMBER TO FOLD OVER AN UPSTANDING FLANGE OF A SHEET METAL PANEL SO THAT IT IS ACUTELY INCLINED TO THE PANEL SURFACE WHICH MEMBER IS PIVOTALLY MOUNTED ON SAID TABLE FOR MOVEMENT TOWARDS AND AWAY FROM THE UPSTANDING FLANGE, MEANS TO TILT SAID TABLE TO BRING THE PIVOTAL AXIS OF SUCH FOLD-OVER MEMBER TO A POSITION AT WHICH THE DIRECTION OF MOVEMENT OF SAID FOLDOVER MEMBER IS SUBSTANTIALLY NORMAL TO THE SURFACE OF THE UPSTANDING FLANGE, A MEMBER TO PRESS THE FOLDED-OVER FLANGE TOWARDS THE PANEL SURFACE WITH A CLINCHING ACTION WHICH MEMBER IS SWINGABLY MOUNTED ON THE TABLE FOR MOVEMENT TOWARDS AND AWAY FROM THE PANEL SURFACE, MEANS TO ACTUATE SUCH PRESSER MEMBER AND MEANS TO ACTUATE SAID FOLD-OVER MEMBER BY WAY OF SAID PRESSER 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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |