US3229424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentric motor and cooling pulley assembly for abraders and the like
Assignee: Individual
•
Filing: 1963-05-31
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Granted: 1966-01-18
•
Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Andrew D Fairchok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:23
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/04; B24B21/12; B24B21/14; B24B55/00; B24B55/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN AN ABRADING AND POLISHING MACHINE, A DRIVING DRUM, AN IDLER ROLLER SPATIALLY RELATED TO SAID DRUM, A BELT EXTENDING AROUND SAID DRUM AND AROUND SAID IDLER ROLLER, MEANS FOR ROTATABLY DRIVING SAID DRUM FOR CONTAINUOSLY MOVING SAID BELT AROUND SAID DRUM AND IDLER ROLLER, A SHAFT EXTENDING FROM OPPOSITE ENDS OF SAID IDLER ROLLER, A HINGE MEMBER HAVING A PIVOT AXIS ADJACENT ONE END OF SAID SHAFT SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID SHAFT, ONE END OF SAID SHAFT JOURNALED TO SAID HINGE MEMBER FOR MOVEMENT ABOUT SAID PIVOT AXIS, A SUPPORT ARM CONNECTED FOR MOVEMENT LATERALLY OF SAID DRUM AND IDLER ROLLER AND SUBSTANTIALLY NORMAL TO THE AXIS OF SAID SHAFT JOURNALED TO THE OPPOSITE END OF SAID SHAFT, SAID SUPPORT ARM CONNECTED FOR MOVEMENT RELATIVE TO SAID HINGE MEMBER, WHEREBY SAID IDLER ROLLER CAN BE ACCURATELY ALIGNED BY LATERAL MOVEMENT OF SAID SUPPORT ARM FOR MAINTAINING SAID BELT IN POSITION AROUND SAID DRUM AND IDLER ROLLER.
Claim 2
Dependent Claim
160 words
IN AN ABRADING AND POLISHING MACHINE, A DRIVING DRUM, AN IDLER ROLLER SPATIALLY RELATED TO SAID DRUM, A BELT EXTENDING AROUND SAID DRUM AND AROUND SAID IDLER ROLLER, MEANS FOR ROTATABLY DRIVING SAID DRUM FOR CONTAINUOSLY MOVING SAID BELT AROUND SAID DRUM AND IDLER ROLLER, A SHAFT EXTENDING FROM OPPOSITE ENDS OF SAID IDLER ROLLER, A HINGE MEMBER HAVING A PIVOT AXIS ADJACENT ONE END OF SAID SHAFT SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF SAID SHAFT, ONE END OF SAID SHAFT JOURNALED TO SAID HINGE MEMBER FOR MOVEMENT ABOUT SAID PIVOT AXIS, A SUPPORT ARM CONNECTED FOR MOVEMENT LATERALLY OF SAID DRUM AND IDLER ROLLER AND SUBSTANTIALLY NORMAL TO THE AXIS OF SAID SHAFT JOURNALED TO THE OPPOSITE END OF SAID SHAFT, SAID SUPPORT ARM CONNECTED FOR MOVEMENT RELATIVE TO SAID HINGE MEMBER, WHEREBY SAID IDLER ROLLER CAN BE ACCURATELY ALIGNED BY LATERAL MOVEMENT OF SAID SUPPORT ARM FOR MAINTAINING SAID BELT IN POSITION AROUND SAID DRUM AND IDLER ROLLER.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |