Bridge laying device
Abstract
Abstract A BRIDGE LAYING DEVICE IN WHICH A VEHICLE CARRIES A TILTABLE AND EXTENSIBLE BEAM, AND CARRIED ON THE BEAM ARE AT LEAST TWO BRIDGE SECTIONS ADAPTED TO BE COUPLED IN END TO END RELATION TO FORM A BRIDGE. THE DEVICE INCLUDES AN ARRANGEMENT FOR MOVING ONE BRIDGE SECTION OUT ALONG THE BEAM WHEN THE LATTER IS EXTENDED AND AT THE END OF THE BEAM NEAREST THE VEHICLE IS A MECHANISM FOR MANIPULATING THE OTHER BRIDGE SECTION TO EFFECT COUPLING OF THE BRIDGE SECTIONS TOGETHER WHILE STILL RESTING ON THE EXTENDED BEAM. THEREAFTER, THE END OF THE BRIDGE FORMED BY THE COUPLED TOGETHER SECTIONS IS ENGAGED WITH A STATIONARY SUPPORT ON ONE SIDE OF THE SPACE TO BE BRIDGED AND THE BEAM IS THEN RETRACTED AND THE OTHER END OF THE BRIDGE FORMED BY THE COUPLED TOGETHER SECTIONS IS DEPOSITED ON A STATIONARY SUPPORT AT THE ADJACENT SIDE OF THE SPACE BEING BRIDGED. THE BRIDGE SECTIONS ARE OF THE SAME DIMENSIONS AND SUBSTANTIALLY IDENTICAL AND THE BRIDGE CAN BE RETURNED TO THE VEHICLE FROM EITHER END OF THE BRIDGE.
Inventors
- 👤 G Wagner
- 👤 W Kinzel
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |