← Back to Patent Explorer
US3166245A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric revolution counter

Assignee: Mannesmann VDO AG
•
Filing: 1964-03-05
•
Granted: 1965-01-19
•
Expires: 1984-03-05
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Maschke Edgar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:52
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/02; G; G01; G01C; G01C22/00; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G06; G06M; G06M1/00; G06M1/27; G06M1/276; G07; G07B; G07B13/00; G07B13/005

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 187 words
AN ELECTRIC REVOLUTION COUNTER, PARTICULARLY A COUNTER OF COVERED DISTANCES BY AUTOMOTIVE VEHICLES, COMPRISING AN IMPULSE SENDER INCLUDING A DRIVEN SHAFT, A COUNTER MECHANISM, INCLUDING A COUNTER, TWO FEEDING LINES FOR ALTERNATE CONNECTION OF SAID IMPULSE SENDER WITH SAID COUNTER MECHANISM, SAID COUNTER MECHANISM INCLUDING AN ELECTRIC MOTOR, SAID ELECTRIC MOTOR DRIVING STEPWISE SAID COUNTER AND BEING CONTROLLED BY SAID IMPULSE SENDER IN RESPONSE TO PREDETERMINED NUMBER OF REVOLUTIONS OF SAID DRIVEN SHAFT, A FIRST SWITCHING CONTACT COORDINATED TO SAID IMPULSE SENDER, A SECOND SWITCHING CONTACT COORDINATED TO SAID COUNTER MECHANISM, SAID SWITCHING CONTACTS SWITCHING ALTERNATELY SAID ELECTRIC MOTOR FROM ONE TO THE OTHER OF SAID FEEDING LINES, SAID FIRST SWITCHING CONTACT SWITCHING ON SAID ELECTRIC MOTOR ALTERNATELY TO ONE OF SAID FEEDING LINES WITHIN A CYCLE OF PREDETERMINED NUMBERS OF REVOLUTIONS, AND SAID SECOND SWITCHING CONTACT AUTOMATICALLY DISCONNECTING SAID ELECTRIC MOTOR FROM SAID ONE OF SAID FEEDING LINES UPON FURTHER ROTATION OF SAID COUNTER FOR ONE COUNTING STEP CORRESPONDING WITH THE VALUE OF THE PREDETERMINED NUMBER OF REVOLUTIONS AND SWITCHING OVER TO THE OTHER OF SAID FEEDING LINES FOR THE PREPARATION OF THE NEXT COUNTING STEP.
Claim 2
Dependent Claim 187 words
AN ELECTRIC REVOLUTION COUNTER, PARTICULARLY A COUNTER OF COVERED DISTANCES BY AUTOMOTIVE VEHICLES, COMPRISING AN IMPULSE SENDER INCLUDING A DRIVEN SHAFT, A COUNTER MECHANISM, INCLUDING A COUNTER, TWO FEEDING LINES FOR ALTERNATE CONNECTION OF SAID IMPULSE SENDER WITH SAID COUNTER MECHANISM, SAID COUNTER MECHANISM INCLUDING AN ELECTRIC MOTOR, SAID ELECTRIC MOTOR DRIVING STEPWISE SAID COUNTER AND BEING CONTROLLED BY SAID IMPULSE SENDER IN RESPONSE TO PREDETERMINED NUMBER OF REVOLUTIONS OF SAID DRIVEN SHAFT, A FIRST SWITCHING CONTACT COORDINATED TO SAID IMPULSE SENDER, A SECOND SWITCHING CONTACT COORDINATED TO SAID COUNTER MECHANISM, SAID SWITCHING CONTACTS SWITCHING ALTERNATELY SAID ELECTRIC MOTOR FROM ONE TO THE OTHER OF SAID FEEDING LINES, SAID FIRST SWITCHING CONTACT SWITCHING ON SAID ELECTRIC MOTOR ALTERNATELY TO ONE OF SAID FEEDING LINES WITHIN A CYCLE OF PREDETERMINED NUMBERS OF REVOLUTIONS, AND SAID SECOND SWITCHING CONTACT AUTOMATICALLY DISCONNECTING SAID ELECTRIC MOTOR FROM SAID ONE OF SAID FEEDING LINES UPON FURTHER ROTATION OF SAID COUNTER FOR ONE COUNTING STEP CORRESPONDING WITH THE VALUE OF THE PREDETERMINED NUMBER OF REVOLUTIONS AND SWITCHING OVER TO THE OTHER OF SAID FEEDING LINES FOR THE PREPARATION OF THE NEXT COUNTING STEP.

References Cited (Backward Citations)

US3123293A Cited
US2243738A Cited
US2448643A Cited
US2357199A Cited
US2916569A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-01-19 1968-07-20 1969-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-01-19 1972-07-20 1973-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-01-19 1976-07-20 1977-01-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag