Replaceable carriage wheel assembly
Abstract
Abstract THIS DISCLOSURE RELATES TO A REPLACEABLE CARRIAGE WHEEL FOR USE, FOR EXAMPLE, IN AN OVERHEAD TROLLEY CONVEYOR SYSTEM. THE WHEEL HAS AN OUTER RACE MEMBER, AN INNER RACE MEMBER AND BEARING MEANS BETWEEN THE OUTER AND INNER RACE MEMBERS. AN ARM BRACKET DEPENDS FROM THE ASSEMBLY AND IS SECURED THERETO BY A STUD MEMBER. THE STUD MEMBER REMOVABLY ENGAGES THE INNER RACE MEMBER. THE ARM AND THE INNER RACE HAVE CO-OPERATING LOCKING SURFACES SUCH THAT THE TWO MEMBERS ARE IN A FIXED RELATIVE POSITION WHEN IN CONTACT WITH EACH OTHER. PREFERABLY A LUBRICATING PASSAGE IS PROVIDED AXIALLY OF THE STUD MEMBER AND A RECESSED GREASE FITTING IS PROVIDED ON THE END OF THE STUD. MEANS ARE PROVIDED TO LOCK THE STUD AGAINST THE ARM WHEN THE STUD IS SECURED TO THE INNER RACE MEMBER.
Inventors
- 👤 Ruben E Frost
Bibliographic Details
Claims Analysis
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |