Patent US6422897B1 successfully refreshed from Google Patents.
US3380198A
Expired / Lapsed
US
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Parallel plane honing equipment
Assignee: Individual
•
Filing: 1966-02-24
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Granted: 1968-04-30
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Expires: 1986-02-24
Abstract
No abstract record available.
Inventors
- 👤 Takada Susumu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:25
CPC Classifications
B; B24; B24B; B24B37/00; B24B37/04; B24B37/07; B24B37/08; B24B7/00; B24B7/10; B24B7/16; B24B7/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PARALLEL PLANE HONING EQUIPMENT, COMPRISING A BED, A THREADED SPINDLE ROTATABLY MOUNTED IN SAID BED, GUIDE POLES SECURED IN SAID BED AND DISPOSED PARALLEL WITH SAID THREADED SPINDLE, TWO SLIDING ARMS MOVABLE TOWARD AND FROM EACH OTHER, RESPECTIVELY, BY ROTATION OF SAID THREADED SPINDLE AND GUIDED IN THE MOVEMENTS BY SAID GUIDE POLES, ROTATING MEMBERS HAVING A FLANGE DISPOSED IN SAID SLIDING ARMS AND HAVING A PASSAGE, DISKS INCLUDING A WHEEL GRINDER SLIDABLY DISPOSED IN SAID PASSAGE, ECCENTRIC MEANS FOR RECIPROCATING SAID DISKS IN SAID PASSAGE, MEANS FOR TURNING SAID ROTATING MEMBERS, MEANS FOR ADDING PRESSING TORQUE TO THE SURFACES OF SAID WHEEL GRINDER, AND A HOLDER SECURED IN SAID BED AND ADAPTED TO SUPPORT A WORKPIECE TO BE GROUND.
Claim 2
Dependent Claim
121 words
A PARALLEL PLANE HONING EQUIPMENT, COMPRISING A BED, A THREADED SPINDLE ROTATABLY MOUNTED IN SAID BED, GUIDE POLES SECURED IN SAID BED AND DISPOSED PARALLEL WITH SAID THREADED SPINDLE, TWO SLIDING ARMS MOVABLE TOWARD AND FROM EACH OTHER, RESPECTIVELY, BY ROTATION OF SAID THREADED SPINDLE AND GUIDED IN THE MOVEMENTS BY SAID GUIDE POLES, ROTATING MEMBERS HAVING A FLANGE DISPOSED IN SAID SLIDING ARMS AND HAVING A PASSAGE, DISKS INCLUDING A WHEEL GRINDER SLIDABLY DISPOSED IN SAID PASSAGE, ECCENTRIC MEANS FOR RECIPROCATING SAID DISKS IN SAID PASSAGE, MEANS FOR TURNING SAID ROTATING MEMBERS, MEANS FOR ADDING PRESSING TORQUE TO THE SURFACES OF SAID WHEEL GRINDER, AND A HOLDER SECURED IN SAID BED AND ADAPTED TO SUPPORT A WORKPIECE TO BE GROUND.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |