Patent US3339670A successfully refreshed from Google Patents.
US3339670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas supported cam follower system
Assignee: General Electric Co
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Filing: 1964-08-25
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Granted: 1967-09-05
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Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Jr John M Mcgrew
- 👤 Gerald R Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:52
CPC Classifications
F; F16; F16H; F16H53/00; F16H53/06; Y; Y10; Y10S; Y10S200/00; Y10S200/44; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
126 words
A CAM FOLLOWER COMPRISING A TUBULAR MEMBER HAVING A HOLLOW CAVITY THEREIN WITH AN ENTRANCE OPENING ON ONE SIDE THEREOF, A BASE MEMBER HAVING AN OPENING IN WHICH SAID TUBULAR MEMBER IS POSITIONED, A ROUNDED END OF SAID TUBULAR MEMBER HAVING A PLURALITY OF APERTURES THEREIN, A GAS SUPPLY SOURCE IN SAID BASE MEMBER FOR SUPPLYING PRESSURIZED GAS INTO SAID OPENING IN SAID BASE MEMBER FOR SUPPORTING SAID TUBULAR MEMBER IN A VERTICAL POSITION AND FOR SUPPLYING THIS SAME GAS THROUGH SAID ENTRANCE OPENING AND OUT SAID PLURALITY OF APERTURES TO FORM A FILM BETWEEN SAID TUBULAR MEMBER AND A CAM ASSOCIATED THEREWITH TO PROVIDE PROPER LUBRICATION BETWEEN THE TWO, AND RESILIENT MEANS FOR MAINTAINING SAID END OF SAID TUBULAR MEMBER ADJACENT A CAM ASSOCIATED THEREWITH,
Claim 2
Dependent Claim
126 words
A CAM FOLLOWER COMPRISING A TUBULAR MEMBER HAVING A HOLLOW CAVITY THEREIN WITH AN ENTRANCE OPENING ON ONE SIDE THEREOF, A BASE MEMBER HAVING AN OPENING IN WHICH SAID TUBULAR MEMBER IS POSITIONED, A ROUNDED END OF SAID TUBULAR MEMBER HAVING A PLURALITY OF APERTURES THEREIN, A GAS SUPPLY SOURCE IN SAID BASE MEMBER FOR SUPPLYING PRESSURIZED GAS INTO SAID OPENING IN SAID BASE MEMBER FOR SUPPORTING SAID TUBULAR MEMBER IN A VERTICAL POSITION AND FOR SUPPLYING THIS SAME GAS THROUGH SAID ENTRANCE OPENING AND OUT SAID PLURALITY OF APERTURES TO FORM A FILM BETWEEN SAID TUBULAR MEMBER AND A CAM ASSOCIATED THEREWITH TO PROVIDE PROPER LUBRICATION BETWEEN THE TWO, AND RESILIENT MEANS FOR MAINTAINING SAID END OF SAID TUBULAR MEMBER ADJACENT A CAM ASSOCIATED THEREWITH,
Claim 3
Dependent Claim
137 words
A CAM FOLLOWER COMPRISING A TUBULAR MEMBER HAVING A HOLLOW CAVITY THEREIN WITH AN ENTRANCE OPENING ON ONE SIDE THEREOF, A BASE MEMBER HAVING AN OPENING IN WHICH SAID TUBULAR MEMBER IS POSITIONED, A CONCAVE END OF SAID TUBULAR MEMBER BEING OF THE SAME CURVATURE AS THE CAM ASSOCIATED THEREWITH AND HAVING A PLURALITY OF APERTURES THEREIN, A GAS SUPPLY SOURCE IN SAID BASE MEMBER FOR SUPPLYING PRESSURIZED GAS INTO SAID OPENING IN SAID BASE MEMBER FOR SUPPORTING SAID TUBULAR MEMBER IN A VERTICAL POSITION AND FOR SUPPLYING THIS SAME GAS THROUGH SAID ENTRANCE OPENING AND OUT SAID PLURALITY OF APERTURES TO FORM A FILM BETWEEN SAID TUBULAR MEMBER AND A CAM ASSOCIATED THEREWITH TO PROVIDE PROPER LUBRICATION BETWEEN THE TWO, AND RESILIENT MEANS FOR MAINTAINING SAID END OF SAID TUBULAR MEMBER ADJACENT A CAM ASSOCIATED THEREWITH.
Claim 4
Dependent Claim
137 words
A CAM FOLLOWER COMPRISING A TUBULAR MEMBER HAVING A HOLLOW CAVITY THEREIN WITH AN ENTRANCE OPENING ON ONE SIDE THEREOF, A BASE MEMBER HAVING AN OPENING IN WHICH SAID TUBULAR MEMBER IS POSITIONED, A CONCAVE END OF SAID TUBULAR MEMBER BEING OF THE SAME CURVATURE AS THE CAM ASSOCIATED THEREWITH AND HAVING A PLURALITY OF APERTURES THEREIN, A GAS SUPPLY SOURCE IN SAID BASE MEMBER FOR SUPPLYING PRESSURIZED GAS INTO SAID OPENING IN SAID BASE MEMBER FOR SUPPORTING SAID TUBULAR MEMBER IN A VERTICAL POSITION AND FOR SUPPLYING THIS SAME GAS THROUGH SAID ENTRANCE OPENING AND OUT SAID PLURALITY OF APERTURES TO FORM A FILM BETWEEN SAID TUBULAR MEMBER AND A CAM ASSOCIATED THEREWITH TO PROVIDE PROPER LUBRICATION BETWEEN THE TWO, AND RESILIENT MEANS FOR MAINTAINING SAID END OF SAID TUBULAR MEMBER ADJACENT A CAM ASSOCIATED THEREWITH.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |