US3146386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepping motor drive
Assignee: Gerber Systems Corp
•
Filing: 1963-07-10
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Granted: 1964-08-25
•
Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Gerber Heinz Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:28
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/27; G05B19/40; G05B2219/00; G05B2219/30; G05B2219/41; G05B2219/41264; G05B2219/41326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A STEPPING MOTOR DRIVE FOR MOVING A PART IN RESPONSE TO A SINGLE PRIMARY TRAIN OF ELECTRICAL PULSES, SAID DRIVE COMPRISING A PLURALITY OF STEPPING MOTORS EACH HAVING A ROTATABLE OUTPUT MEMBER AND BEING OF THE PULSE RESPONSIVE TYPE WHEREIN SAID OUTPUT MEMBER IS MOVED BY A GIVEN ANGULAR DISPLACEMENT IN RESPONSE TO EACH PULSE APPLIED THERETO, A SUMMING DIFFERENTIAL DRIVE MECHANISM HAVING A PLURALITY OF ROTATABLE INPUT MEMBERS EACH DRIINGLY CONNECTED WITH A RESPECTIVE ONE OF THE OUTPUT MEMBERS OF SAID STEPPING MOTORS AND ALSO HAVING A ROTATABLE OUTPUT MEMBER DRIVINGLY CONNECTED WITH SAID PART, MEANS COUPLED WITH THE SOURCE OF SAID SINGLE PRIMARY TRAIN OF PULSES WHICH MEANS IS OPERABLE TO TRANSFORM SAID SINGLE PRIMARY TRAIN PULSES INTO A PLURALITY OF SECONDARY TRAINS OF PULSES EACH OF WHICH SECONDARY TRAINS CONTAINS A NUMBER OF PULSES PROPORTIONALLY RELATED TO THE NUMBER OF PULSES IN SAID PRIMARY TRAIN, AND MEANS FOR TRANSMITTING EACH OF SAID SECONDARY TRAINS OF PULSES TO A RESPECTIVE ONE OF SAID STEPPING MOTORS WITH THE RESULT THAT THE OUTPUT MEMBER OF EACH STEPPING MOTOR IS DRIVEN AT A SLOWER SPEED THAN WOULD BE OBTAINED BY DIRECTLY APPLYING SAID PRIMARY TRAIN OF PULSES THERETO.
Claim 2
Dependent Claim
197 words
A STEPPING MOTOR DRIVE FOR MOVING A PART IN RESPONSE TO A SINGLE PRIMARY TRAIN OF ELECTRICAL PULSES, SAID DRIVE COMPRISING A PLURALITY OF STEPPING MOTORS EACH HAVING A ROTATABLE OUTPUT MEMBER AND BEING OF THE PULSE RESPONSIVE TYPE WHEREIN SAID OUTPUT MEMBER IS MOVED BY A GIVEN ANGULAR DISPLACEMENT IN RESPONSE TO EACH PULSE APPLIED THERETO, A SUMMING DIFFERENTIAL DRIVE MECHANISM HAVING A PLURALITY OF ROTATABLE INPUT MEMBERS EACH DRIINGLY CONNECTED WITH A RESPECTIVE ONE OF THE OUTPUT MEMBERS OF SAID STEPPING MOTORS AND ALSO HAVING A ROTATABLE OUTPUT MEMBER DRIVINGLY CONNECTED WITH SAID PART, MEANS COUPLED WITH THE SOURCE OF SAID SINGLE PRIMARY TRAIN OF PULSES WHICH MEANS IS OPERABLE TO TRANSFORM SAID SINGLE PRIMARY TRAIN PULSES INTO A PLURALITY OF SECONDARY TRAINS OF PULSES EACH OF WHICH SECONDARY TRAINS CONTAINS A NUMBER OF PULSES PROPORTIONALLY RELATED TO THE NUMBER OF PULSES IN SAID PRIMARY TRAIN, AND MEANS FOR TRANSMITTING EACH OF SAID SECONDARY TRAINS OF PULSES TO A RESPECTIVE ONE OF SAID STEPPING MOTORS WITH THE RESULT THAT THE OUTPUT MEMBER OF EACH STEPPING MOTOR IS DRIVEN AT A SLOWER SPEED THAN WOULD BE OBTAINED BY DIRECTLY APPLYING SAID PRIMARY TRAIN OF PULSES THERETO.
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |