US3078720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for balancing vehicle wheels
Assignee: Gebr Hofmann GmbH and Co KG Maschinenfabrik
•
Filing: 1960-02-01
•
Granted: 1963-02-26
•
Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Dionys Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:13
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
APPARATUS FOR DETERMINING THE IMBALANCE OF A WHEEL WHICH IS SUPPORTED BY THE SUSPENSION SYSTEM OF A VEHICLE AND IS FREE TO ROTATE, COMPRISING A MOVABLE HOUSING HAVING A SEAT FOR THE OPERATOR, AN ELECTRIC MOTOR IN DRIVING CONNECTION WITH A FRICTION ROLLER ADAPTED TO BE PLACED IN CONTACT WITH THE WHEEL TO ROTATE SAME, A STROBOSCOPE LAMP FIXED TO THE HOUSING AND ABLE TO ILLUMINATE THE WHEEL WHEN THE APPARATUS IS IN POSITION, AN ELECTROMECHANICAL TRANSDUCER ADAPTED TO BE SUPPORTED BY A MEMBER OF THE WHEEL SUSPENSION SYSTEM FOR CONVERTING INTO AN ALTERNATING CURRENT THE MECHANICAL VIBRATIONS ARISING ON ROTATION OF THE WHEEL, AN INDICATOR INSTRUMENT MOUNTED ON THE HOUSING AND CONNECTED TO THE ELECTROMECHANICAL TRANSDUCER BY MEANS OF A LEAD, THE INSTRUMENT BEING EFFECTIVE TO MEASURE THE AMPLITUDE OF THE ALTERNATING CURRENT, CONTROL MEANS CONNECTED TO AND DESIGNED TO CONTROL THE STROBOSCOPE LAMP AND BEING CONTROLLED BY THE ALTERNATING CURRENT OF THE ELECTROMECHANICAL TRANSDUCER SO THAT THE STROBOSCOPE LAMP PERIODICALLY FLASHES IN PHASED RELATIONSHIP TO THE ALTERNATING CURRENT.
Claim 2
Dependent Claim
170 words
APPARATUS FOR DETERMINING THE IMBALANCE OF A WHEEL WHICH IS SUPPORTED BY THE SUSPENSION SYSTEM OF A VEHICLE AND IS FREE TO ROTATE, COMPRISING A MOVABLE HOUSING HAVING A SEAT FOR THE OPERATOR, AN ELECTRIC MOTOR IN DRIVING CONNECTION WITH A FRICTION ROLLER ADAPTED TO BE PLACED IN CONTACT WITH THE WHEEL TO ROTATE SAME, A STROBOSCOPE LAMP FIXED TO THE HOUSING AND ABLE TO ILLUMINATE THE WHEEL WHEN THE APPARATUS IS IN POSITION, AN ELECTROMECHANICAL TRANSDUCER ADAPTED TO BE SUPPORTED BY A MEMBER OF THE WHEEL SUSPENSION SYSTEM FOR CONVERTING INTO AN ALTERNATING CURRENT THE MECHANICAL VIBRATIONS ARISING ON ROTATION OF THE WHEEL, AN INDICATOR INSTRUMENT MOUNTED ON THE HOUSING AND CONNECTED TO THE ELECTROMECHANICAL TRANSDUCER BY MEANS OF A LEAD, THE INSTRUMENT BEING EFFECTIVE TO MEASURE THE AMPLITUDE OF THE ALTERNATING CURRENT, CONTROL MEANS CONNECTED TO AND DESIGNED TO CONTROL THE STROBOSCOPE LAMP AND BEING CONTROLLED BY THE ALTERNATING CURRENT OF THE ELECTROMECHANICAL TRANSDUCER SO THAT THE STROBOSCOPE LAMP PERIODICALLY FLASHES IN PHASED RELATIONSHIP TO THE ALTERNATING CURRENT.
References Cited (Backward Citations)
US2050073A
Cited
US2383405A
Cited
US2341443A
Cited
US2565577A
Cited
US2604558A
Cited
US2700892A
Cited
US2722829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |