US3322255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-element pneumatic actuator
Assignee: International Business Machines Corp
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Filing: 1966-01-24
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Granted: 1967-05-30
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Expires: 1986-01-24
Abstract
No abstract record available.
Inventors
- 👤 Joues John Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:16
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/10; F15B15/103; B; B41; B41J; B41J23/00; B41J23/20; B41J23/22; B41J5/00; B41J5/08; B41J5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN OPERATOR FOR A PLURALITY OF INDEPENDENTLY OPERABLE LOAD DEVICES AND INCLUDING A PLURALITY OF OPERABLY INDEPENDENT, PRESSURIZEABLE, EXPANSIBLE BOUNDARY CHAMBERS AND FLUID INLET MEANS COPERATING THEREWITH, WHEREIN THE IMPROVEMENT COMPRISES: A PLURALITY OF INDEPENDENT FLEXIBLE TAPES, EACH DEFINING A LOOP HAVING A SURFACE PORTION BOUNDED BY SUBSTANTIALLY PARALLEL SIDE EDGES AND EACH DEFINING A PORTION OF ONE OF THE CHAMBER BOUNDARIES, MEANS FOR OPERATIVELY CONNECTING EACH OF SAID TAPES IN FORCE TRANSMITTING RELATIONSHIP TO RESPECTIVE ONES OF SAID PLURALITY OF LOAD DEVICES, A PAIR OF SUBSTANTIALLY PARALLEL SIDEWALLS COMMON TO ALL SAID TAPE LOOPS AND EMBRACING THE SIDE EDGES THEREOF, SAID PAIR OF SIDEWALLS FORMING ADDITIONAL PORTIONS OF THE CHAMBERS BOUNDARIES, AND A STATIONARY REACTION MEMBER SLIDABLY ENGAGING SAID SURFACE PORTION OF EACH OF SAID TAPE LOOPS TO ENCLOSE THE CHAMBER BOUNDARY PORTION DEFINED THEREBY.
Claim 2
Dependent Claim
136 words
AN OPERATOR FOR A PLURALITY OF INDEPENDENTLY OPERABLE LOAD DEVICES AND INCLUDING A PLURALITY OF OPERABLY INDEPENDENT, PRESSURIZEABLE, EXPANSIBLE BOUNDARY CHAMBERS AND FLUID INLET MEANS COPERATING THEREWITH, WHEREIN THE IMPROVEMENT COMPRISES: A PLURALITY OF INDEPENDENT FLEXIBLE TAPES, EACH DEFINING A LOOP HAVING A SURFACE PORTION BOUNDED BY SUBSTANTIALLY PARALLEL SIDE EDGES AND EACH DEFINING A PORTION OF ONE OF THE CHAMBER BOUNDARIES, MEANS FOR OPERATIVELY CONNECTING EACH OF SAID TAPES IN FORCE TRANSMITTING RELATIONSHIP TO RESPECTIVE ONES OF SAID PLURALITY OF LOAD DEVICES, A PAIR OF SUBSTANTIALLY PARALLEL SIDEWALLS COMMON TO ALL SAID TAPE LOOPS AND EMBRACING THE SIDE EDGES THEREOF, SAID PAIR OF SIDEWALLS FORMING ADDITIONAL PORTIONS OF THE CHAMBERS BOUNDARIES, AND A STATIONARY REACTION MEMBER SLIDABLY ENGAGING SAID SURFACE PORTION OF EACH OF SAID TAPE LOOPS TO ENCLOSE THE CHAMBER BOUNDARY PORTION DEFINED THEREBY.
References Cited (Backward Citations)
US848207A
Cited
US1005793A
Cited
US1003279A
Cited
US1842883A
Cited
US2795668A
Cited
US2991763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |