Patent US3220274A successfully refreshed from Google Patents.
US3220274A
Expired / Lapsed
US
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Automatic cycle control system
Assignee: Kearney and Trecker Corp
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Filing: 1963-10-18
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Granted: 1965-11-30
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 John G Osburn
- 👤 Richard E Stobbe
- 👤 Zankl Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:20
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q2701/00; B23Q2701/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
328 words
IN A MACHINE TOOL CONTROL SYSTEM; A RECIPROCABLE MEMBER; POWER DRIVEN REVERSE CLUTCH MEANS SELECTIVELY ENGAGEABLE FROM A NON-DRIVING NEUTRAL POSITION TO POSITIONS TRANSMITTING POWER TO SAID MEMBER FOR DRIVING SAID MEMBER IN A SELECTED ONE OF TWO DIRECTIONS; A POWER ACTUATOR MOUNTED FOR MOVEMENT IN EITHER DIRECTION FROM A NEUTRAL POSITION; POWER ACTUATING MEANS CONNECTED RELATIVE TO SAID REVERSE CLUTCH MEANS AND SAID POWER ACTUATOR TO NORMALLY MAINTAIN SAID REVERSE CLUTCH MEANS IN A NEUTRAL NON-DRIVING POSITION AND TO MAINTAIN SAID ACTUATOR IN NEUTRAL POSITION OR TO EFFECT SELECTIVE DIRECTIONAL MOVEMENT THEREOF; A MANUAL DIRECTIONAL LEVER CONNECTED TO SAID POWER ACTUATOR TO BE MOVED BY SAID POWER ACTUATOR WHEN IT IS MOVED IN EITHER DIRECTION OR TO NEUTRAL, SAID LEVER ITSELF BEING MOVABLE IN EITHER DIRECTION FROM NEUTRAL FOR MOVING SAID POWER ACTUATOR IN A SELECTED DIRECTION IN OPPOSITION TO SAID POWER ACTUATING MEANS; A SWITCH CONTROL CIRCUIT INCLUDING INTERCONNECTED CONTROL MEANS LOCATED TO BE ENGAGED AND ACTUATED UPON MOVEMENT OF SAID LEVER IN A SELECTED DIRECTION FROM NEUTRAL, SAID SWITCH MEANS DETERMINING THE SAID DIRECTIONAL MOVEMENT AND, WHEN ACTUATED, CONTROLLING SAID POWER ACTUATING MEANS TO MAINTAIN SAID ACTUATOR IN SELECTED DIRECTIONAL POSITION AND SIMULTANEOUSLY TO EFFECT ENGAGEMENT OF SAID REVERSE CLUTCH MEANS FOR MOVING SAID MEMBER IN A DIRECTION CORRESPONDING TO THE DIRECTIONAL POSITION OF SAID LEVER; CODE ACTUATED REVERSE SWITCH MEANS INTERCONNECTED IN SAID CONTROL CIRCUIT FOR PREDETERMINATE OPERATION IN RESPONSE TO MOVEMENT OF SAID MEMBER DURING MOVEMENT THEREOF TO SO OPERATE SAID POWER ACTUATING MEANS AS TO EFFECT MOVEMENT OF SAID ACTUATOR TO ITS OPPOSITE POSITION FROM NEUTRAL FOR REVERSING THE DIRECTIONAL POSITION OF SAID LEVER AND SIMULTANEOUSLY THEREWITH TO SO OPERATE SAID REVERSE CLUTCH MEANS AS TO EFFECT REVERSED ENGAGEMENT THEREOF FOR MOVING SAID MEMBER IN A REVERSED DIRECTION CORRESPONDING TO THE REVERSED DIRECTIONAL POSITION OF SAID LEVER; AND SWITCH ACTUATORS ADJUSTABLY SECURED RELATIVE TO SAID MEMBER IN POSITION TO EFFECT SELECTIVE ACTUATION OF SAID REVERSE SWITCH MEANS DURING MOVEMENT OF SAID MEMBER.
Claim 2
Dependent Claim
328 words
IN A MACHINE TOOL CONTROL SYSTEM; A RECIPROCABLE MEMBER; POWER DRIVEN REVERSE CLUTCH MEANS SELECTIVELY ENGAGEABLE FROM A NON-DRIVING NEUTRAL POSITION TO POSITIONS TRANSMITTING POWER TO SAID MEMBER FOR DRIVING SAID MEMBER IN A SELECTED ONE OF TWO DIRECTIONS; A POWER ACTUATOR MOUNTED FOR MOVEMENT IN EITHER DIRECTION FROM A NEUTRAL POSITION; POWER ACTUATING MEANS CONNECTED RELATIVE TO SAID REVERSE CLUTCH MEANS AND SAID POWER ACTUATOR TO NORMALLY MAINTAIN SAID REVERSE CLUTCH MEANS IN A NEUTRAL NON-DRIVING POSITION AND TO MAINTAIN SAID ACTUATOR IN NEUTRAL POSITION OR TO EFFECT SELECTIVE DIRECTIONAL MOVEMENT THEREOF; A MANUAL DIRECTIONAL LEVER CONNECTED TO SAID POWER ACTUATOR TO BE MOVED BY SAID POWER ACTUATOR WHEN IT IS MOVED IN EITHER DIRECTION OR TO NEUTRAL, SAID LEVER ITSELF BEING MOVABLE IN EITHER DIRECTION FROM NEUTRAL FOR MOVING SAID POWER ACTUATOR IN A SELECTED DIRECTION IN OPPOSITION TO SAID POWER ACTUATING MEANS; A SWITCH CONTROL CIRCUIT INCLUDING INTERCONNECTED CONTROL MEANS LOCATED TO BE ENGAGED AND ACTUATED UPON MOVEMENT OF SAID LEVER IN A SELECTED DIRECTION FROM NEUTRAL, SAID SWITCH MEANS DETERMINING THE SAID DIRECTIONAL MOVEMENT AND, WHEN ACTUATED, CONTROLLING SAID POWER ACTUATING MEANS TO MAINTAIN SAID ACTUATOR IN SELECTED DIRECTIONAL POSITION AND SIMULTANEOUSLY TO EFFECT ENGAGEMENT OF SAID REVERSE CLUTCH MEANS FOR MOVING SAID MEMBER IN A DIRECTION CORRESPONDING TO THE DIRECTIONAL POSITION OF SAID LEVER; CODE ACTUATED REVERSE SWITCH MEANS INTERCONNECTED IN SAID CONTROL CIRCUIT FOR PREDETERMINATE OPERATION IN RESPONSE TO MOVEMENT OF SAID MEMBER DURING MOVEMENT THEREOF TO SO OPERATE SAID POWER ACTUATING MEANS AS TO EFFECT MOVEMENT OF SAID ACTUATOR TO ITS OPPOSITE POSITION FROM NEUTRAL FOR REVERSING THE DIRECTIONAL POSITION OF SAID LEVER AND SIMULTANEOUSLY THEREWITH TO SO OPERATE SAID REVERSE CLUTCH MEANS AS TO EFFECT REVERSED ENGAGEMENT THEREOF FOR MOVING SAID MEMBER IN A REVERSED DIRECTION CORRESPONDING TO THE REVERSED DIRECTIONAL POSITION OF SAID LEVER; AND SWITCH ACTUATORS ADJUSTABLY SECURED RELATIVE TO SAID MEMBER IN POSITION TO EFFECT SELECTIVE ACTUATION OF SAID REVERSE SWITCH MEANS DURING MOVEMENT OF SAID MEMBER.
References 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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |