US3173724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for automatically opening and closing platform walls
Assignee: Individual
•
Filing: 1963-09-06
•
Granted: 1965-03-16
•
Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 Sandberg Sven Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:13
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/26; B60P1/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A VEHICLE HAVING A CHASSIS, A TIPPING BODY COMPRISING BOTTOM PLATFORM AND WALLS MOUNTED FOR TIPPING MOVEMENT ON SAID CHASSIS, MEANS FOR TIPPING SAID BODY INTO DUMPING POSITION AND FOR LOWERING THE SAME, AND AT LEAST ONE MOVABLE GATE HINGED TO SAID BOTTOM PLATFORM OF SAID TIPPING BODY, ACTUATING MEANS ON SAID BODY, MEANS ON SAID CHASSIS ARRANGED TO BIAS SAID ACTUATING MEANS ON SAID BODY IN DEPENDENCE ON TIPPING MOTION OF SAID TIPPING BODY, AND OPERATING MEANS MOUNTED ON SAID BODY AND CONNECTED WITH SAID ACTUATING MEANS AND WITH SAID MOVABLE GATE TO AUTOMATICALLY OPEN AND CLOSE THE SAME IN RELATION TO THE TIPPING MOVEMENT OF SAID TIPPING BODY, SAID OPERATING MEANS INCLUDING AT LEAST TWO INTERCONNECTD ELEMENTS ARRANGED TO LOCK SAID BODY GATE IN ITS CLOSED POSITION INDEPENDENTLY OF FORCES EXERTED BY SAID ACTUATING MEANS.
Claim 2
Dependent Claim
138 words
IN A VEHICLE HAVING A CHASSIS, A TIPPING BODY COMPRISING BOTTOM PLATFORM AND WALLS MOUNTED FOR TIPPING MOVEMENT ON SAID CHASSIS, MEANS FOR TIPPING SAID BODY INTO DUMPING POSITION AND FOR LOWERING THE SAME, AND AT LEAST ONE MOVABLE GATE HINGED TO SAID BOTTOM PLATFORM OF SAID TIPPING BODY, ACTUATING MEANS ON SAID BODY, MEANS ON SAID CHASSIS ARRANGED TO BIAS SAID ACTUATING MEANS ON SAID BODY IN DEPENDENCE ON TIPPING MOTION OF SAID TIPPING BODY, AND OPERATING MEANS MOUNTED ON SAID BODY AND CONNECTED WITH SAID ACTUATING MEANS AND WITH SAID MOVABLE GATE TO AUTOMATICALLY OPEN AND CLOSE THE SAME IN RELATION TO THE TIPPING MOVEMENT OF SAID TIPPING BODY, SAID OPERATING MEANS INCLUDING AT LEAST TWO INTERCONNECTD ELEMENTS ARRANGED TO LOCK SAID BODY GATE IN ITS CLOSED POSITION INDEPENDENTLY OF FORCES EXERTED BY SAID ACTUATING MEANS.
References Cited (Backward Citations)
GB649202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |