US3341980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding machine
Assignee: Heald Machine Co
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Filing: 1964-07-07
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Granted: 1967-09-19
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Klar John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:14
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; B; B24; B24B; B24B41/00; G05B2219/00; G05B2219/20; G05B2219/23; G05B2219/23349; G05B2219/26; G05B2219/2627
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A GRINDING MACHINE, COMPRISING (A) OPERATIVE APPARATUS HAVING PARTS INCLUDING A BASE, A WORKHEAD SLIDE, A WHEELHEAD TABLE HAVING AN ABRASIVE WHEEL, AND A DRESSER, (B) A CONTROL APPARATUS TO PRODUCE RELATIVE MOVEMENT BETWEEN CERTAIN OF THE PARTS OF THE APPARATUS INCLUDING A "TABLE IN" MOVEMENT RELAY, A "SLIDE INDEX" MOVEMENT RELAY, A "ROUGH GRIND" RELAY, A "FINISH GRIND" RELAY, A SPARKOUT RELAY, A "SLIDE RETRACTION" MOVEMENT RELAY , A "TABLE OUT" MOVEMENT RELAY, A "DRESSER INDEX FRONT" MOVEMENT RELAY, A "DRESSER INDEX REAR" MOVEMENT RELAY, A "TABLE INDEX IN" MOVEMENT RELAY, A "TABLE INDEX OUT" MOVEMENT RELAY, AND A "LOADING OPERATION" RELAY, (C) A PLURALITY OF ELECTRICAL LINES EXTENDING FROM SAID RELAYS OF THE CONTROL APPARATUS TO A PERMANENT RECEPTACLE, (D) A PLUG-IN UNIT INSERTABLE IN THE RECEPTACLE FOR CONNECTING VARIOUS LINES FROM THE RELAYS TOGETHER, AND (E) INTERENGAGEABLE MEANS EXTENDING BETWEEN THE PERMANENT RECEPTACLE AND THE PLUG-IN UNIT, INCLUDING A PLURALITY OF CONNECTORS ON THE PERMANENT RECEPTACLE, EACH CONNECTED TO ONE OF THE SAID LINES, INCLUDING A PLURALITY OF CONNECTORS ON THE PLUG-IN UNIT EXACTLY MATCHING THOSE ON THE PERMANENT RECEPTACLE, AND INCLUDING BRIDGING LINES WITHIN THE PLUG-IN UNIT JOINING CERTAIN OF ITS CONNECTORS SO THAT, BY INSERTION OF THE PLUG-IN UNIT IN THE PERMANENT RECEPTACLE, CERTAIN CONNECTORS OF THE PERMANENT RECEPTACLE ARE ELECTRICALLY JOINED.
Claim 2
Dependent Claim
217 words
A GRINDING MACHINE, COMPRISING (A) OPERATIVE APPARATUS HAVING PARTS INCLUDING A BASE, A WORKHEAD SLIDE, A WHEELHEAD TABLE HAVING AN ABRASIVE WHEEL, AND A DRESSER, (B) A CONTROL APPARATUS TO PRODUCE RELATIVE MOVEMENT BETWEEN CERTAIN OF THE PARTS OF THE APPARATUS INCLUDING A "TABLE IN" MOVEMENT RELAY, A "SLIDE INDEX" MOVEMENT RELAY, A "ROUGH GRIND" RELAY, A "FINISH GRIND" RELAY, A SPARKOUT RELAY, A "SLIDE RETRACTION" MOVEMENT RELAY , A "TABLE OUT" MOVEMENT RELAY, A "DRESSER INDEX FRONT" MOVEMENT RELAY, A "DRESSER INDEX REAR" MOVEMENT RELAY, A "TABLE INDEX IN" MOVEMENT RELAY, A "TABLE INDEX OUT" MOVEMENT RELAY, AND A "LOADING OPERATION" RELAY, (C) A PLURALITY OF ELECTRICAL LINES EXTENDING FROM SAID RELAYS OF THE CONTROL APPARATUS TO A PERMANENT RECEPTACLE, (D) A PLUG-IN UNIT INSERTABLE IN THE RECEPTACLE FOR CONNECTING VARIOUS LINES FROM THE RELAYS TOGETHER, AND (E) INTERENGAGEABLE MEANS EXTENDING BETWEEN THE PERMANENT RECEPTACLE AND THE PLUG-IN UNIT, INCLUDING A PLURALITY OF CONNECTORS ON THE PERMANENT RECEPTACLE, EACH CONNECTED TO ONE OF THE SAID LINES, INCLUDING A PLURALITY OF CONNECTORS ON THE PLUG-IN UNIT EXACTLY MATCHING THOSE ON THE PERMANENT RECEPTACLE, AND INCLUDING BRIDGING LINES WITHIN THE PLUG-IN UNIT JOINING CERTAIN OF ITS CONNECTORS SO THAT, BY INSERTION OF THE PLUG-IN UNIT IN THE PERMANENT RECEPTACLE, CERTAIN CONNECTORS OF THE PERMANENT RECEPTACLE ARE ELECTRICALLY JOINED.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |