Tire building machine
Abstract
Abstract A tire building machine including an expandable drum having a plurality of radially movable drum segments which are simultaneously moved drum segments which are simultaneously moved a predetermined amount by controlled axial movement of an annular rack having external teeth in meshing engagement with a plurality of pinions for driving radial racks associated with each of the drum segments. An adjustable stop means may also be provided on the annular rack for limiting axial movement of the rack in the direction of expansion of the radially movable segments, and the ply turn-up and side wall applying mechanism amy comprise an inflatable bladder having an axial inner marginal porion clamped to the radially movable drum segments for radial movement therewith into engagement with the tire bead disposed thereabout for uniform and concentric clamping of the tire bead while the remaining porion of the bladder is supported by a rigid support adjacent the end of the drum.
Inventors
- 👤 A Cantarutti
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |