US3075716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed brake
Assignee: Unisys Corp
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Filing: 1959-05-15
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Granted: 1963-01-29
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Expires: 1979-05-15
Abstract
No abstract record available.
Inventors
- 👤 Norman D Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:42
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN TAPE APPARATUS INCLUDING, A PAIR OF TAPE REELS MOUNTED TO TRANSPORT TAPE BETWEEN SAME, A PAIR OF VACUUM COLUMNS ADAPTED TO LOOSELY RECEIVE THE TAPE TRANSPORTED BETWEEN THE REELS, TRANSDUCING MEANS ARRANGED INTERMEDIATE THE VACUUM COLUMNS, AN INDIVIDUAL DRIVE MOTOR COUPLED TO DRIVE EACH OF SAID REELS TO WIND AND UNWIND TAPE ONTO THE REEL, AN INDIVIDUAL BRAKE DRUM ROTATABLY MOUNTED WITH EACH OF THE DRIVE MOTORS, A BRAKE BAND ENCIRCLING EACH OF SAID BRAKE DRUMS AND ARRANGED IN FRICTIONAL BRAKING ENGAGEMENT WITH THE BRAKE DRUMS WHEN THE TAPE APPARATUS IS INOPERATIVE, CONTROL ARMS CONNECTED TO THE BRAKE BANDS FOR ACTUATING THE BANDS INTO AND OUT OF BRAKING RELATIONSHIP WITH SAID DRUMS, SPRING MEANS CONNECTED TO SAID CONTROL ARMS FOR CONSTANTLY URGING THE ARMS WHEREBY THE BRAKE BANDS ARE PLACED IN A BRAKING RELATIONSHIP, MEANS FOR LATCHING THE CONTROL ARMS OUT OF SAID BRAKING RELATIONSHIP, A MOTOR COUPLED TO THE CONTROL ARMS AND OPERATIVE FOR ACTUATING
Claim 2
Dependent Claim
157 words
IN TAPE APPARATUS INCLUDING, A PAIR OF TAPE REELS MOUNTED TO TRANSPORT TAPE BETWEEN SAME, A PAIR OF VACUUM COLUMNS ADAPTED TO LOOSELY RECEIVE THE TAPE TRANSPORTED BETWEEN THE REELS, TRANSDUCING MEANS ARRANGED INTERMEDIATE THE VACUUM COLUMNS, AN INDIVIDUAL DRIVE MOTOR COUPLED TO DRIVE EACH OF SAID REELS TO WIND AND UNWIND TAPE ONTO THE REEL, AN INDIVIDUAL BRAKE DRUM ROTATABLY MOUNTED WITH EACH OF THE DRIVE MOTORS, A BRAKE BAND ENCIRCLING EACH OF SAID BRAKE DRUMS AND ARRANGED IN FRICTIONAL BRAKING ENGAGEMENT WITH THE BRAKE DRUMS WHEN THE TAPE APPARATUS IS INOPERATIVE, CONTROL ARMS CONNECTED TO THE BRAKE BANDS FOR ACTUATING THE BANDS INTO AND OUT OF BRAKING RELATIONSHIP WITH SAID DRUMS, SPRING MEANS CONNECTED TO SAID CONTROL ARMS FOR CONSTANTLY URGING THE ARMS WHEREBY THE BRAKE BANDS ARE PLACED IN A BRAKING RELATIONSHIP, MEANS FOR LATCHING THE CONTROL ARMS OUT OF SAID BRAKING RELATIONSHIP, A MOTOR COUPLED TO THE CONTROL ARMS AND OPERATIVE FOR ACTUATING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |