Patent US3103840A successfully refreshed from Google Patents.
US3103840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steady rest
Assignee: Devlieg Bullard Inc
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Filing: 1960-02-02
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Granted: 1963-09-17
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Expires: 1980-02-02
Abstract
No abstract record available.
Inventors
- 👤 Beacom Robert
- 👤 Karl P Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:00
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/72; B23Q1/76; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2593; Y10T82/2597
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
STEADY REST MEANS FOR A SPINDLE OF A MULTIPLE SPINDLE AUTOMATIC MACHINE HAVING AN INDEXABLE SPINDLE CARRIER, THE SPINDLES OF SAID MACHINE HAVING A LOADING POSITION, MEANS TO SUPPORT AND DRIVE A PLURALITY OF WORKPIECES FROM THE PLURALITY OF SPINDLES, SAID STEADY REST MEANS COMPRISING, IN COMBINATION, SUPPORT MEANS INDEXABLE WITH THE SPINDLE CARRIER, STATIONARY RING CAM MEANS MOUNTED ON SAID MACHINE, STEADY REST ROLLER MEANS MOVABLY MOUNTED IN SAID SUPPORT MEANS FOR MOVEMENT IN A PLANE SUBSTANTIALLY NORMAL TO SAID MACHINE AXIS AND ADAPTED FOR ROLLING AND SUPPORTING ENGAGEMENT WITH ANY SAID WORKPIECE, AN ACTUATING ROLLER ENGAGEABLE WITH SAID RING CAM MEANS AND MOVABLE IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID MACHINE, MEANS INTERCONNECTING SAID ACTUATING ROLLER AND SAID STEADY REST ROLLER MEANS FOR CONCURRENT MOVEMENT, AND SAID RING CAM MEANS ACTUATING SAID ACTUATING ROLLER AT ANOTHER SPINDLE POSITION, WHEREBY UPON INDEXING OF THE SPINDLE CARRIER TO PLACE A SPINDLE IN SAID ANOTHER SPINDLE POSITION SAID ACTUATING ROLLER IS LONGITUDINALLY MOVED, AND HENCE, SAID STEADY REST ROLLER MEANS ARE MOVED INTO POSITION FOR PERIPHERAL ENGAGEMENT WITH THE WORKPIECE IN ONE SPINDLE.
Claim 2
Dependent Claim
185 words
STEADY REST MEANS FOR A SPINDLE OF A MULTIPLE SPINDLE AUTOMATIC MACHINE HAVING AN INDEXABLE SPINDLE CARRIER, THE SPINDLES OF SAID MACHINE HAVING A LOADING POSITION, MEANS TO SUPPORT AND DRIVE A PLURALITY OF WORKPIECES FROM THE PLURALITY OF SPINDLES, SAID STEADY REST MEANS COMPRISING, IN COMBINATION, SUPPORT MEANS INDEXABLE WITH THE SPINDLE CARRIER, STATIONARY RING CAM MEANS MOUNTED ON SAID MACHINE, STEADY REST ROLLER MEANS MOVABLY MOUNTED IN SAID SUPPORT MEANS FOR MOVEMENT IN A PLANE SUBSTANTIALLY NORMAL TO SAID MACHINE AXIS AND ADAPTED FOR ROLLING AND SUPPORTING ENGAGEMENT WITH ANY SAID WORKPIECE, AN ACTUATING ROLLER ENGAGEABLE WITH SAID RING CAM MEANS AND MOVABLE IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID MACHINE, MEANS INTERCONNECTING SAID ACTUATING ROLLER AND SAID STEADY REST ROLLER MEANS FOR CONCURRENT MOVEMENT, AND SAID RING CAM MEANS ACTUATING SAID ACTUATING ROLLER AT ANOTHER SPINDLE POSITION, WHEREBY UPON INDEXING OF THE SPINDLE CARRIER TO PLACE A SPINDLE IN SAID ANOTHER SPINDLE POSITION SAID ACTUATING ROLLER IS LONGITUDINALLY MOVED, AND HENCE, SAID STEADY REST ROLLER MEANS ARE MOVED INTO POSITION FOR PERIPHERAL ENGAGEMENT WITH THE WORKPIECE IN ONE SPINDLE.
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 |