US3193976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool feed system
Assignee: Milacron Inc
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Filing: 1962-07-23
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Granted: 1965-07-13
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Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Harry E Luebkemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:22
CPC Classifications
B; B24; B24B; B24B51/00; B23; B23Q; B23Q15/00; B24B47/00; B24B47/02; B24B47/04; B24B47/20; B24B47/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
IN A GRINDING MACHINE, THE COMBINATION COMPRISING: (A) A WHEELHEAD HAVING A NUT THEREIN, (B) A FEED SCREW THREADEDLY RECEIVED IN SAID NUT, (C) A REVERSIBLE FEED MOTOR CONNECTED TO THE FEED SCREW TO MOVE THE SCREW AXIALLY WITHOUT ROTATION THROUGH A PREDETERMINED FEED CYCLE, (D) A TWO SPEED HANDWHEEL OPERABLE TO EFFECT FAST AND SLOW RELATIVE ROTATION BETWEEN THE FEED SCREW AND THE NUT FOR MOVEMENT OF THE WHEELHEAD ON THE SCREW. (E) A READOUT UNIT SETTABLE TO A WORKPIECE SIZE INDICATING READING CORRESPONDING TO ANY GIVEN POSITION OF THE WHEELHEAD ON THE SCREW. (F) A PULSE GENERATOR OPERABLE IN RESPONSE TO RELATIVE ROTATION BETWEEN THE NUT AND SCREW TO PRODUCE PULSES PROPORTIONAL IN QUANTITY TO THE EXTENT OF MOVEMENT OF THE WHEELHEAD ON THE SCREW AND INDICATIVE OF THE DIRECTION OF SAID MOVEMENT, (G) A REVERSIBLE ELECTRONIC COUNTER OPERABLE IN RESPONSE TO PULSES PRODUCED BY THE PULSE GENERATOR TO CHANGE SAID READING AS THE WHEELHEAD IS MOVED FROM A GIVEN POSITION ON THE SCREW IN ACCORDANCE WITH THE DIRECTION AND EXTENT OF WHEELHEAD MOVEMENT ON THE SCREW.
Claim 2
Dependent Claim
179 words
IN A GRINDING MACHINE, THE COMBINATION COMPRISING: (A) A WHEELHEAD HAVING A NUT THEREIN, (B) A FEED SCREW THREADEDLY RECEIVED IN SAID NUT, (C) A REVERSIBLE FEED MOTOR CONNECTED TO THE FEED SCREW TO MOVE THE SCREW AXIALLY WITHOUT ROTATION THROUGH A PREDETERMINED FEED CYCLE, (D) A TWO SPEED HANDWHEEL OPERABLE TO EFFECT FAST AND SLOW RELATIVE ROTATION BETWEEN THE FEED SCREW AND THE NUT FOR MOVEMENT OF THE WHEELHEAD ON THE SCREW. (E) A READOUT UNIT SETTABLE TO A WORKPIECE SIZE INDICATING READING CORRESPONDING TO ANY GIVEN POSITION OF THE WHEELHEAD ON THE SCREW. (F) A PULSE GENERATOR OPERABLE IN RESPONSE TO RELATIVE ROTATION BETWEEN THE NUT AND SCREW TO PRODUCE PULSES PROPORTIONAL IN QUANTITY TO THE EXTENT OF MOVEMENT OF THE WHEELHEAD ON THE SCREW AND INDICATIVE OF THE DIRECTION OF SAID MOVEMENT, (G) A REVERSIBLE ELECTRONIC COUNTER OPERABLE IN RESPONSE TO PULSES PRODUCED BY THE PULSE GENERATOR TO CHANGE SAID READING AS THE WHEELHEAD IS MOVED FROM A GIVEN POSITION ON THE SCREW IN ACCORDANCE WITH THE DIRECTION AND EXTENT OF WHEELHEAD MOVEMENT ON THE SCREW.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |