Patent US3211183A successfully refreshed from Google Patents.
US3211183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic or pneumatic controller
Assignee: Individual
•
Filing: 1963-02-04
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Granted: 1965-10-12
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Eickmann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702; Y10T137/86879
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
225 words
CONTROLLER FOR CONTROL OF FLUID THROUGH AT LEAST ONE FLOW PATH WHICH COMPRISES A CONTROL CASING HAVING A LONGITUDINAL CASING CHANNEL WITH CASING END WALLS CLOSING LATERALLY THE ENDS OF SAID CHANNEL, A CONTROL PISTON HAVING A LONGITUDINAL PISTON CHANNEL, SAID PISTON BEING OF SMALLER LENGTH THAN SAID CASING CHANNEL AND BEINB DISPOSED LONGITUDINALLY SLIDABLY WITHIN SAID CASING CHANNEL, A SEPARATE LONGITUDINAL DRIVE SHAFT HAVING A SMALLER TRANSVERSE DIMENSION THAN THAT OF SAID PISTON CHANNEL, SAID SHAFT PASSING THROUGH SAID CASING CHANNEL AND SAID PISTON CHANNEL AND HAVING SHAFT END PORTIONS EXTENDING LONGITUDINALLY SLIDABLY THROUGH THE CORRESPONDING END WALLS OF SAID CASING TO THE EXTERIOR THEREOF, SAID PISTON HAVING SHAFT ENGAGING MEANS, SAID SHAFT HAVING A LONGITUDINAL AXIS SPACED FROM THE LONGITUDINAL AXIS OF SAID PISTON CHANNEL AND PISTON ENGAGING MEANS POSITIONED SUBSTANTIALLY IN ABUTMENG WITH SAID SHAFT ENGAGING MEANS OF SAID PISTON FOR ENGAGING OPERATIVELY SAID SHAFT ENGAGING MEANS OF SAID PISTON TO DISPLACE LONGITUDINALLY SLIDABLY SAID PISTON WITH IN SAID CASING CHANNEL UPON THE CORRESPONDING LONGITUDINALLY SLIDABLE DISPLACEMENT OF SAID SHAFT ENDS EXTENDING THROUGH SAID END WALLS, SAID SHAFT AND PISTON BEING SLIGHTLY TRANSVERSELY DISPLACEABLY POSITIONED WITH RESPECT TO ONE ANOTHER TO PERMIT SLIGHT RELATIVE TRANSVERSE MOVEMENTS WITH RESPECT TO ONE ANOTHER YET WITH SAID SHAFT ENGAGING MEANS AND SAID PISTON ENGAGING MEANS REMAINING IN ABUTMENT WITH ONE ANOTHER, AT LEAST TWO SEPARATE
Claim 2
Dependent Claim
225 words
CONTROLLER FOR CONTROL OF FLUID THROUGH AT LEAST ONE FLOW PATH WHICH COMPRISES A CONTROL CASING HAVING A LONGITUDINAL CASING CHANNEL WITH CASING END WALLS CLOSING LATERALLY THE ENDS OF SAID CHANNEL, A CONTROL PISTON HAVING A LONGITUDINAL PISTON CHANNEL, SAID PISTON BEING OF SMALLER LENGTH THAN SAID CASING CHANNEL AND BEINB DISPOSED LONGITUDINALLY SLIDABLY WITHIN SAID CASING CHANNEL, A SEPARATE LONGITUDINAL DRIVE SHAFT HAVING A SMALLER TRANSVERSE DIMENSION THAN THAT OF SAID PISTON CHANNEL, SAID SHAFT PASSING THROUGH SAID CASING CHANNEL AND SAID PISTON CHANNEL AND HAVING SHAFT END PORTIONS EXTENDING LONGITUDINALLY SLIDABLY THROUGH THE CORRESPONDING END WALLS OF SAID CASING TO THE EXTERIOR THEREOF, SAID PISTON HAVING SHAFT ENGAGING MEANS, SAID SHAFT HAVING A LONGITUDINAL AXIS SPACED FROM THE LONGITUDINAL AXIS OF SAID PISTON CHANNEL AND PISTON ENGAGING MEANS POSITIONED SUBSTANTIALLY IN ABUTMENG WITH SAID SHAFT ENGAGING MEANS OF SAID PISTON FOR ENGAGING OPERATIVELY SAID SHAFT ENGAGING MEANS OF SAID PISTON TO DISPLACE LONGITUDINALLY SLIDABLY SAID PISTON WITH IN SAID CASING CHANNEL UPON THE CORRESPONDING LONGITUDINALLY SLIDABLE DISPLACEMENT OF SAID SHAFT ENDS EXTENDING THROUGH SAID END WALLS, SAID SHAFT AND PISTON BEING SLIGHTLY TRANSVERSELY DISPLACEABLY POSITIONED WITH RESPECT TO ONE ANOTHER TO PERMIT SLIGHT RELATIVE TRANSVERSE MOVEMENTS WITH RESPECT TO ONE ANOTHER YET WITH SAID SHAFT ENGAGING MEANS AND SAID PISTON ENGAGING MEANS REMAINING IN ABUTMENT WITH ONE ANOTHER, AT LEAST TWO SEPARATE
Claim 3
Dependent Claim
91 words
CONTROLLER ACCORDING TO CLAIM 1 WHEREIN A PLURALITY OF SEPARATE PASSAGE EXTENDING THROUGH SAID CASING TO THE CASING CHANNEL AND A PLURALITY OF PERIPHERAL PISTON GROOVES DEFINED IN THE OUTSIDE PERIPHERY OF SAID PISTON ARE PROVIDED, SAID PASSAGES AND GROOVES BEING LONGITUDINALLY POSITIONED WITH RESPECT TO ONE ANOTHER FOR COMMUNICATING DIFFERENT PAIRS OF SAID PASSAGES AT DIFFERENT LONGITUDINAL POSITIONS OF SAID PISTON WITHIN SAID CASING AND FOR MISREGISTERING SAID PASSAGES AND GROOVES TO BLOCK COMMUNICATION BETWEEN ANY TWO PASSAGES IN AT LEAST ONE LONGITUDINAL POSITION OF SAID PISTON WITHIN SAID CASING.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |