Patent US3157971A successfully refreshed from Google Patents.
US3157971A
Expired / Lapsed
US
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Size control device adaptable to different diameters
Assignee: Landis Tool Co
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Filing: 1963-02-07
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Granted: 1964-11-24
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Glenn M Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:51
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/08; B; B24; B24B; B24B49/00; B24B49/02; B24B49/04; B24B49/045; B24B49/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A MACHINE TOOL FOR SUCCESSIVELY MACHINING AXIALLY SPACED PORTIONS OF A WORKPIECE, EACH HAVING A DIFFERENT DIAMETER, MEANS FOR ROTATABLY SUPPORTING SAID WORKPIECE, A CUTTING TOOL, A FEED MECHANISM FOR ADVANCING AND RETRACTING SAID CUTTING TOOL RELATIVE TO SAID WORKPIECE, A CALIPER MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID PORTIONS OF SAID WORKPIECE, MEANS FOR EXERTING A UNIFORM PRESSURE OF SAID CALIPER AGAINST SUCCESSIVE PORTIONS OF A WORKPIECE REGARDLESS OF DIAMETER, COMPRISING A CALIPER SUPPORT MEMBER MOVABLE TOWARD AND AWAY FROM SAID WORKPIECE AND MEANS FOR MOVING SAID CALIPER SUPPORT MEMBER, RESILIENT ELEMENTS FOR SUPPORTING SAID CALIPER ON SAID SUPPORT MEMBER, AND CO-ACTING CONTROL ELEMENTS ON SAID SUPPORT MEMBER AND ON SAID RESILIENT ELEMENTS OPERABLE AFTER SAID CALIPER ENGAGES SAID WORKPIECE AND IN RESPONSE TO CONTINUED MOVEMENT OF SAID SUPPORT MEMBER AGAINST SAID RESILIENT ELEMENTS, TO STOP SAID MEANS FOR MOVING SAID SUPPORT MEMBER.
Claim 2
Dependent Claim
146 words
IN A MACHINE TOOL FOR SUCCESSIVELY MACHINING AXIALLY SPACED PORTIONS OF A WORKPIECE, EACH HAVING A DIFFERENT DIAMETER, MEANS FOR ROTATABLY SUPPORTING SAID WORKPIECE, A CUTTING TOOL, A FEED MECHANISM FOR ADVANCING AND RETRACTING SAID CUTTING TOOL RELATIVE TO SAID WORKPIECE, A CALIPER MOVABLE INTO AND OUT OF ENGAGEMENT WITH SAID PORTIONS OF SAID WORKPIECE, MEANS FOR EXERTING A UNIFORM PRESSURE OF SAID CALIPER AGAINST SUCCESSIVE PORTIONS OF A WORKPIECE REGARDLESS OF DIAMETER, COMPRISING A CALIPER SUPPORT MEMBER MOVABLE TOWARD AND AWAY FROM SAID WORKPIECE AND MEANS FOR MOVING SAID CALIPER SUPPORT MEMBER, RESILIENT ELEMENTS FOR SUPPORTING SAID CALIPER ON SAID SUPPORT MEMBER, AND CO-ACTING CONTROL ELEMENTS ON SAID SUPPORT MEMBER AND ON SAID RESILIENT ELEMENTS OPERABLE AFTER SAID CALIPER ENGAGES SAID WORKPIECE AND IN RESPONSE TO CONTINUED MOVEMENT OF SAID SUPPORT MEMBER AGAINST SAID RESILIENT ELEMENTS, TO STOP SAID MEANS FOR MOVING SAID SUPPORT MEMBER.
References Cited (Backward Citations)
US2603043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |