← Back to Patent Explorer
US3280811A Expired / Lapsed US ⏱️ 0.0 years remaining

Starting mechanism for internal combustion engines

Assignee: ZF International UK Ltd
•
Filing: 1964-08-04
•
Granted: 1966-10-25
•
Expires: 1984-08-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Baker Alfred Dickens
  • 👤 Clarke John Stanley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:24
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F02N15/06; F02N15/067; Y; Y10; Y10T; Y10T74/00; Y10T74/13

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 195 words
AN ENGINE STARTING MECHANISM COMPRISING IN COMBINATION A HOUSING, A ROTOR MOUNTED FOR ROTATION WITHIN THE HOUSING, SAID ROTOR HAVING AN EXTENDED ROTOR SHAFT, A PINION MOUNTED ON SAID SHAFT AND DRIVABLE THEREBY, SAID PINION BEING MOVABLE AXIALLY UPON SAID SHAFT, AN ABUTMENT PLATE DISPOSED ABOUT SAID SHAFT AND CONNECTED TO SAID PINION, SAID ABUTMENT PLATE BEING DISPOSED INTERMEDIATE THE PINION AND THE ROTOR AND DEFINING A PAIR OF ABUTMENT SURFACES ON OPPOSITE SIDES THEREOF, A PIVOT MOUNTED WITHIN THE CASING, A PAIR OF LEVERS MOUNTED UPON SAID PIVOT AND HAVING FREE ENDS DISPOSED TO BEAR UPON THE ABUTMENT SURFACES RESPECTIVELY, A SOLENOID MOUNTED UPON THE CASING, AN ARMATURE MOVABLE BY SAID SOLENOID, RESILIENT MEANS ACTING TO MOVE THE ARMATURE IN OPPOSITION TO THE SOLENOID, LINK MEANS OPERATIVELY CONNECTING THE ARMATURE TO THE LEVER WHICH IS DISPOSED TO CONTACT THE ABUTMENT SURFACE OF THE ABUTMENT PLATE WHICH IS PRESENTED TO THE PINION, FURTHER RESILIENT MEANS ACTING INTERMEDIATE THE TWO LEVERS FOR BIASING THE FREE ENDS THEREOF TOWARDS EACH OTHER AND STOP MEANS ACTING BETWEEN THE TWO LEVERS SO AS TO ENSURE THAT THE FREE ENDS THEREOF CANNOT CONTACT THE ABUTMENT SURFACES AT THE SAME TIME.
Claim 2
Dependent Claim 195 words
AN ENGINE STARTING MECHANISM COMPRISING IN COMBINATION A HOUSING, A ROTOR MOUNTED FOR ROTATION WITHIN THE HOUSING, SAID ROTOR HAVING AN EXTENDED ROTOR SHAFT, A PINION MOUNTED ON SAID SHAFT AND DRIVABLE THEREBY, SAID PINION BEING MOVABLE AXIALLY UPON SAID SHAFT, AN ABUTMENT PLATE DISPOSED ABOUT SAID SHAFT AND CONNECTED TO SAID PINION, SAID ABUTMENT PLATE BEING DISPOSED INTERMEDIATE THE PINION AND THE ROTOR AND DEFINING A PAIR OF ABUTMENT SURFACES ON OPPOSITE SIDES THEREOF, A PIVOT MOUNTED WITHIN THE CASING, A PAIR OF LEVERS MOUNTED UPON SAID PIVOT AND HAVING FREE ENDS DISPOSED TO BEAR UPON THE ABUTMENT SURFACES RESPECTIVELY, A SOLENOID MOUNTED UPON THE CASING, AN ARMATURE MOVABLE BY SAID SOLENOID, RESILIENT MEANS ACTING TO MOVE THE ARMATURE IN OPPOSITION TO THE SOLENOID, LINK MEANS OPERATIVELY CONNECTING THE ARMATURE TO THE LEVER WHICH IS DISPOSED TO CONTACT THE ABUTMENT SURFACE OF THE ABUTMENT PLATE WHICH IS PRESENTED TO THE PINION, FURTHER RESILIENT MEANS ACTING INTERMEDIATE THE TWO LEVERS FOR BIASING THE FREE ENDS THEREOF TOWARDS EACH OTHER AND STOP MEANS ACTING BETWEEN THE TWO LEVERS SO AS TO ENSURE THAT THE FREE ENDS THEREOF CANNOT CONTACT THE ABUTMENT SURFACES AT THE SAME TIME.

References Cited (Backward Citations)

US1974985A Cited
US1942573A Cited
DE923883C Cited
GB755594A Cited
US3177728A Cited
GB964675A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-24 1970-04-25 1970-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-24 1974-04-25 1974-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-24 1978-04-25 1978-10-25 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag