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US3103840A Expired / Lapsed US ⏱️ 0.0 years remaining

Steady rest

Assignee: Devlieg Bullard Inc
•
Filing: 1960-02-02
•
Granted: 1963-09-17
•
Expires: 1980-02-02
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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 01:38
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)

US1401131A Cited
US1955220A Cited
US2316010A Cited
US2718168A Cited
US2592229A Cited

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

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