Press brake
Abstract
Abstract THE DISCLOSURE RELATES TO A PRESS BRAKE COMPRISING A FRAME, A BED MOUNTED ON THE FRAME AND A RAM ADAPTED TO MOVE TOWARDS THE BED. MECHANICAL LINKAGES ARE PROVIDED ONE AT EACH END OF THE RAM FOR INTERCONNECTING THE RAM TO THE FRAME OF THE PRESS BRAKE. SUCH MECHANICAL LINKAGES ARE OPERATED SIMULTANEOUSLY TO ENSURE PARALLEL MOVEMENT OF THE RAM TOWARDS THE BED REGARDLESS OF UNEVEN LOADING OF THE PRESS. IN A PREFERRED EMBODIMENT OF THE INVENTION, EACH MECHANICAL LINKAGE COMPRISES A LEVER MEMBER PIVOTALLY MOUNTED ON THE FRAME OF THE PRESS BRAKE AND HAVING ONE END THEREOF CONNECTED TO THE RAM BY MEANS OF TWO LINKS LOCATED ONE ON EACH SIDE OF THE RAM. THE OTHER END OF THE TWO LEVER MEMBERS ARE INTERCONNECTED BY MEANS OF A SUITABLE BAR AND SUCH BAR IS OPERATED BY A SINGLE OPERATING DEVICE. IN ADDITION, AN ADJUSTING WEDGE IS PROVIDED ADJACENT EACH END OF THE BED FOR TILTING THE BED.
Inventors
- 👤 Rezso Fritsch
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |