Patent US4837118A successfully refreshed from Google Patents.
Patent US3172504A successfully refreshed from Google Patents.
US3172504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Programmed arrest gear tape
Assignee: All American Engineering Co
•
Filing: 1964-07-10
•
Granted: 1965-03-09
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles J Daniels
- 👤 Donald B Doolittle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:48
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/02; B64F1/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
MEANS FOR ARRESTING MOBILE OBJECTS HAVING AN OBJECT ARREST CABLE AND COMPRISING AN ENERGY ABSORBER HAVING A ROTATABLE FLUID IMMERSED ROTOR, A HOUSING FOR HOLDING FLUID ENCLOSING SAID ROTOR, A ROTOR SHAFT EXTENDING THROUGH SAID HOUSING, SAID HOUSING HAVING A TOP AND A BOTTOM WALL, SAID TOP AND BOTTOM WALL HAVING A PREDETERMINED NUMBER OF OPPOSITELY FACING STATOR BLADES, SAID ROTOR BEING FORMED WITH A PREDETERMINED NUMBER OF OPPOSITELY FACING ROTOR BLADES, SAID ROTOR SHAFT HAVING A HUB PORTION EXTENDING BEYOND THE TOP WALL OF SAID HOUSING, A TAPE STORAGE DRUM KEYED TO SAID HUB PORTION, AND TAPE WRAPPED AROUND SAID STORAGE DRUM HAVING A FREE END CONNECTABLE WITH THE ARREST CABLE, SAID TAPE BEING PULLED OUT ACCORDING TO THE LOAD RESULTING FROM THE WEIGHT AND VELOCITY OF A MOBILE OBJECT IMPARTED TO THE FREE END OF SAID TAPE AS SAID OBJECT ENGAGES SAID ARREST CABLE, SAID NUMBER OF STATOR BLADES BEING DIFFEENT FROM THE SAID NUMBER OR ROTOR BLADES TO MINIMIZE BEAT EFFECT DURING OPERATION, SAID TAPE BEING FORMED OF VARYING THICKNESS WRAPPED TAPE ON THE STORAGE DRUM.
Claim 2
Dependent Claim
179 words
MEANS FOR ARRESTING MOBILE OBJECTS HAVING AN OBJECT ARREST CABLE AND COMPRISING AN ENERGY ABSORBER HAVING A ROTATABLE FLUID IMMERSED ROTOR, A HOUSING FOR HOLDING FLUID ENCLOSING SAID ROTOR, A ROTOR SHAFT EXTENDING THROUGH SAID HOUSING, SAID HOUSING HAVING A TOP AND A BOTTOM WALL, SAID TOP AND BOTTOM WALL HAVING A PREDETERMINED NUMBER OF OPPOSITELY FACING STATOR BLADES, SAID ROTOR BEING FORMED WITH A PREDETERMINED NUMBER OF OPPOSITELY FACING ROTOR BLADES, SAID ROTOR SHAFT HAVING A HUB PORTION EXTENDING BEYOND THE TOP WALL OF SAID HOUSING, A TAPE STORAGE DRUM KEYED TO SAID HUB PORTION, AND TAPE WRAPPED AROUND SAID STORAGE DRUM HAVING A FREE END CONNECTABLE WITH THE ARREST CABLE, SAID TAPE BEING PULLED OUT ACCORDING TO THE LOAD RESULTING FROM THE WEIGHT AND VELOCITY OF A MOBILE OBJECT IMPARTED TO THE FREE END OF SAID TAPE AS SAID OBJECT ENGAGES SAID ARREST CABLE, SAID NUMBER OF STATOR BLADES BEING DIFFEENT FROM THE SAID NUMBER OR ROTOR BLADES TO MINIMIZE BEAT EFFECT DURING OPERATION, SAID TAPE BEING FORMED OF VARYING THICKNESS WRAPPED TAPE ON THE STORAGE DRUM.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |