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US3568372A
Expired / Lapsed
US
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Sizing device for effecting sizing over a wide range
Assignee: Toyoda Koki KK
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Filing: 1968-12-04
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Granted: 1971-03-09
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Expires: 1988-12-04
Abstract
Abstract A SIZING DEVICE FOR GRINDERS OR THE LIKE WHICH USES A FEELER OR FEELERS MOUNTED ON A SIZING HEAD FOR CONTACTING A WORKPIECE, AND A DISPLACEMENT DETECTOR FOR SENSING THE DISPLACEMENT OF THE FEELER OR FEELERS CAUSED BY A CHANGE IN THE OUTER CIRCUMFERENTIAL DIMENSION OF THE WORKPIECE SO AS TO CONTROL THE FEED OF WHEEL SLIDE. THE DISPLACEMENT DETECTOR IS MOVED IN ACCORDANCE WITH NUMERICAL DATA PREVIOUSLY STORED, SO THAT THE POINT OF GENERATION OF A SIZING SIGNAL BY THE DISPLACEMENT DETECTOR CAN BE MOVED. THE SIZING DEVICE MEASURES THE DIAMETER OF A WORKPIECE ACCURATELY AND OVER A WIDE RANGE BY ELIMINATING MASTER SETING.
Inventors
- 👤 Hiroaki Asano
- 👤 Hideo Nishimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:36
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/12
Claims Analysis
Total Claims: 0
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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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |