US3090418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locating tool for sheet metal bending and process for locating a metal sheet for bending
Assignee: Individual
•
Filing: 1960-07-22
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Granted: 1963-05-21
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Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 Marak Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:57
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/02; Y; Y10; Y10S; Y10S33/00; Y10S33/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PROCESS OF LOCATING A SHEET OF METAL IN FORMING DIES FOR FORMING AN ANGLE BEND ON SAID SHEET, SAID DIES COMPRISING UPPER AND LOWER DIE MEMBERS, THE LOWER DIE MEMBER HAVING A CERTAIN TRANSVERSE WIDTH DIMENSION AND HAVING A CENTRAL VERTICAL BENDING PLANE, MEASURING INWARDLY FROM THE EDGE OF SAID SHEET THE TRANSVERSE WIDTH DIMENSION OF THE LOWER DIE AND SCRIBING A LINE ON SAID SHEET, PLACING SAID SHEET BETWEEN THE UPPER AND LOWER DIES, PLACING A PAIR OF POINTED END INDICATORS AGAINST SAID LOWER DIES WITH THE POINTED ENDS DISPOSED ABOVE THE SHEET AT OPPOSITE ENDS THEREOF WHEREBY THE DIMENSION BETWEEN THE BENDING PLANE AND SAID POINTED ENDS EQUALS ONE HALF THE WIDTH DIMENSION OF THE LOWER DIE, AND ALIGNING SAID POINTED ENDS WITH THE SCRIBED LINE WHEREBY A BEND LINE ON SAID SHEET IS COINCIDENT WITH SAID CENTRAL BENDING PLANE.
Claim 2
Dependent Claim
143 words
A PROCESS OF LOCATING A SHEET OF METAL IN FORMING DIES FOR FORMING AN ANGLE BEND ON SAID SHEET, SAID DIES COMPRISING UPPER AND LOWER DIE MEMBERS, THE LOWER DIE MEMBER HAVING A CERTAIN TRANSVERSE WIDTH DIMENSION AND HAVING A CENTRAL VERTICAL BENDING PLANE, MEASURING INWARDLY FROM THE EDGE OF SAID SHEET THE TRANSVERSE WIDTH DIMENSION OF THE LOWER DIE AND SCRIBING A LINE ON SAID SHEET, PLACING SAID SHEET BETWEEN THE UPPER AND LOWER DIES, PLACING A PAIR OF POINTED END INDICATORS AGAINST SAID LOWER DIES WITH THE POINTED ENDS DISPOSED ABOVE THE SHEET AT OPPOSITE ENDS THEREOF WHEREBY THE DIMENSION BETWEEN THE BENDING PLANE AND SAID POINTED ENDS EQUALS ONE HALF THE WIDTH DIMENSION OF THE LOWER DIE, AND ALIGNING SAID POINTED ENDS WITH THE SCRIBED LINE WHEREBY A BEND LINE ON SAID SHEET IS COINCIDENT WITH SAID CENTRAL BENDING PLANE.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |