US3103838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-speed spindle
Assignee: Devlieg Bullard Inc
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Filing: 1960-05-27
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Granted: 1963-09-17
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Beacom Robert
- 👤 Karl P Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:20
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/145; F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A MULTIPLE SPINDLE MACHINE TOOL THE PROVISION OF, IN COMBINATION, A FRAME, A SPINDLE CARRIER INDEXABLE ON SAID FRAME, A PLURALITY OF SPINDLE SHAFTS IN SAID SPINDLE CARRIER, A CENTRAL SHAFT IN SAID SPINDLE CARRIER, MEANS FOR DRIVING SAID CENTRAL SHAFT, A FIRST CLUTCH MEMBER ON EACH SAID SPINDLE SHAFT HAVING AN OUTPUT CONNECTED TO THE RESPECTIVE SPINDLE SHAFT AND HAVING AN INPUT, A SECOND CLUTCH MEMBER ON EACH SAID SPINDLE SHAFT HAVING AN OUTPUT CONNECTED TO THE RESPECTIVE SPINDLE SHAFT AND HAVING AN INPUT, A FIRST POWER TRAIN FROM SAID CENTRAL SHAFT TO THE INPUT OF EACH OF SAID FIRST CLUTCH MEMBERS, A SECOND POWER TRAIN FROM SAID CENTRAL SHAFT TO THE INPUT OF EACH OF SAID SECOND CLUTCH MEMBERS TO ROTATE SAID SECOND CLUTCH MEMBERS IN THE SAME DIRECTION OF ROTATION AS SAID FIRST CLUTCH MEMBERS BUT AT A SLOWER SPEED, A CLUTCH LEVER PIVOTED ON SAID SPINDLE CARRIER AND CONNECTED TO EACH SAID CLUTCH MEMBER, A SEPARATE BRAKE MEMBER ACTING BETWEEN EACH SAID SPINDLE SHAFT AND SAID SPINDLE CARRIER,
Claim 2
Dependent Claim
173 words
IN A MULTIPLE SPINDLE MACHINE TOOL THE PROVISION OF, IN COMBINATION, A FRAME, A SPINDLE CARRIER INDEXABLE ON SAID FRAME, A PLURALITY OF SPINDLE SHAFTS IN SAID SPINDLE CARRIER, A CENTRAL SHAFT IN SAID SPINDLE CARRIER, MEANS FOR DRIVING SAID CENTRAL SHAFT, A FIRST CLUTCH MEMBER ON EACH SAID SPINDLE SHAFT HAVING AN OUTPUT CONNECTED TO THE RESPECTIVE SPINDLE SHAFT AND HAVING AN INPUT, A SECOND CLUTCH MEMBER ON EACH SAID SPINDLE SHAFT HAVING AN OUTPUT CONNECTED TO THE RESPECTIVE SPINDLE SHAFT AND HAVING AN INPUT, A FIRST POWER TRAIN FROM SAID CENTRAL SHAFT TO THE INPUT OF EACH OF SAID FIRST CLUTCH MEMBERS, A SECOND POWER TRAIN FROM SAID CENTRAL SHAFT TO THE INPUT OF EACH OF SAID SECOND CLUTCH MEMBERS TO ROTATE SAID SECOND CLUTCH MEMBERS IN THE SAME DIRECTION OF ROTATION AS SAID FIRST CLUTCH MEMBERS BUT AT A SLOWER SPEED, A CLUTCH LEVER PIVOTED ON SAID SPINDLE CARRIER AND CONNECTED TO EACH SAID CLUTCH MEMBER, A SEPARATE BRAKE MEMBER ACTING BETWEEN EACH SAID SPINDLE SHAFT AND SAID SPINDLE CARRIER,
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |