US4538659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safe tire inflator
Assignee: Crowell Corp
•
Filing: 1983-03-07
•
Granted: 1985-09-03
•
Expires: 2003-03-07
Abstract
Abstract Vehicular tires, mounted on wheel rims, are more safely inflated in rugged box enclosing entire tire-and-wheel-rim assembly, using inflating line that penetrates through wall of box, with pressure gauge visible from outside of box. Interlocks can be provided to help assure that box must be closed before inflation can be started, and that box cannot be opened for 3 to 10 minutes after inflation is completed. Window can be provided for visually inspecting tire-and-wheel-rim assembly during or after inflation, and deflation valve permits deflation if the inflation appears unsafe. Box can have welded-on re-enforcements.
Inventors
- 👤 Robert W. Adelman
- 👤 Daniel W. Blevins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:57
CPC Classifications
B; B60; B60C; B60C25/00; B60C25/14; B60C25/147; B60C25/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A rugged enclosure for tire inflation having opposing side walls connected by top, bottom and end walls shaped and dimensioned to receive a tire-and-wheel assembly, the walls being steel plate, steel reinforcing members welded on completely across the outer surfaces of the side walls to make the enclosure highly resistant to inflation accidents, viewing windows cut in the side walls to permit close observation of the tire-and-wheel assembly, transparent panels fitted in the viewing windows and sufficiently thick to withstand inflation accidents, inflating controls are fitted on the outer surfaces of the side walls, and an inflation conduit extends from those inflating controls through an opening in an adjacent transparent panel to a tire valve connector line inside the enclosure, that line being self-coiling and located so that it is out of the way in the event of a wheel failure.
Claim 2
Dependent Claim
141 words
A rugged enclosure for tire inflation having opposing side walls connected by top, bottom and end walls shaped and dimensioned to receive a tire-and-wheel assembly, the walls being steel plate, steel reinforcing members welded on completely across the outer surfaces of the side walls to make the enclosure highly resistant to inflation accidents, viewing windows cut in the side walls to permit close observation of the tire-and-wheel assembly, transparent panels fitted in the viewing windows and sufficiently thick to withstand inflation accidents, inflating controls are fitted on the outer surfaces of the side walls, and an inflation conduit extends from those inflating controls through an opening in an adjacent transparent panel to a tire valve connector line inside the enclosure, that line being self-coiling and located so that it is out of the way in the event of a wheel failure.
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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) | 1988-09-02 | 1989-03-04 | 1989-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-02 | 1993-03-04 | 1993-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-02 | 1997-03-04 | 1997-09-03 | $7700.00 | Window Closed / Lapsed |