US3740996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press brake die structure incorporating gate means
Assignee: Individual
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Filing: 1971-03-17
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Granted: 1973-06-26
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Expires: 1991-03-17
Abstract
Abstract Die structures for press brakes are disclosed, in which the actual dies are elongated structures having a substantially uniform cross section, and further include a support structure, to which a gage means is affixed for supporting stops or guides to establish the position of a workpiece with reference to the dies.
Inventors
- 👤 A Hix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
126 words
A press brake die structure for use in a press to form a workpiece of substantially flat stock, comprising: first and second elongated, mating die members adapted to be received in said press for engagingly forming a said workpiece, at least one of said die members integrally defining an elongated form including a pair of opposed shoulders; gage means including a gage bar defining a channel along the length thereof and clamp means for engagement with said opposed shoulders affixed to said support structure said gage means extending normally away from said die members; and stop means affixed to lie in said channel defined in said gage bar for receivably engaging a said workpiece, to limit the extent said workpiece is inserted between said die member.
Claim 2
Dependent Claim
126 words
A press brake die structure for use in a press to form a workpiece of substantially flat stock, comprising: first and second elongated, mating die members adapted to be received in said press for engagingly forming a said workpiece, at least one of said die members integrally defining an elongated form including a pair of opposed shoulders; gage means including a gage bar defining a channel along the length thereof and clamp means for engagement with said opposed shoulders affixed to said support structure said gage means extending normally away from said die members; and stop means affixed to lie in said channel defined in said gage bar for receivably engaging a said workpiece, to limit the extent said workpiece is inserted between said die member.
Claim 3
Dependent Claim
34 words
A die structure according to claim 1 wherein said stop means includes an abutment member and a pivot means for movably supporting said abutment member to move into and out of said gage means.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |