US3822652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary air cushion transporter
Assignee: ROLAIR SYST Inc
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Filing: 1972-12-07
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Granted: 1974-07-09
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Expires: 1992-12-07
Abstract
Abstract A low profile rotary transporter having a turntable supported by a plurality of air bearings. A separate tubular platform section underlying each air bearing and having a supply portion for carrying air under pressure from a supply line to the air bearing and a damping portion communicating with the air bearing. Each air bearing and its associated platform are fixedly mounted on a ground surface and the turntable is removably mounted on a positioning rod in the ground surface.
Inventors
- 👤 R Burdick
- 👤 B Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:36
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
127 words
A rotary air cushion transporter comprising: a plurality of air bearings; platform means communicating with said air bearings for carrying air under pressure; means attached to said air bearings and said platform means for fixedly mounting them on a ground surface with said air bearings circumferentially displaced relative to a central reference point and overlying said platform means; air supply means connected to said platform means for providing air under pressure; a turntable overlying said air bearings; and positioning means engaging said turntable for allowing said turntable to rotate about said central reference point when said air bearings are inflated; said platform means including a supply tank portion for carrying air under pressure to said air bearings, and a damping tank portion communicating with said air bearings.
Claim 2
Dependent Claim
127 words
A rotary air cushion transporter comprising: a plurality of air bearings; platform means communicating with said air bearings for carrying air under pressure; means attached to said air bearings and said platform means for fixedly mounting them on a ground surface with said air bearings circumferentially displaced relative to a central reference point and overlying said platform means; air supply means connected to said platform means for providing air under pressure; a turntable overlying said air bearings; and positioning means engaging said turntable for allowing said turntable to rotate about said central reference point when said air bearings are inflated; said platform means including a supply tank portion for carrying air under pressure to said air bearings, and a damping tank portion communicating with said air bearings.
Claim 3
Dependent Claim
33 words
The transporter of claim 1 wherein said platform means includes a separate section associated with each of said air bearings, said separate section including a supply tank portion and a damping tank portion.
Claim 4
Dependent Claim
24 words
The transporter of claim 2 wherein said damping tank portion includes a plurality of tubes attached together and having aligned openings for communication therebetween.
Claim 5
Dependent Claim
26 words
The transporter of claim 1 wherein said turntable includes vertical bar Means for supporting said turntable on said ground surface when said air bearings are deflated.
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) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |