US3089344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starter for internal combustion engines
Assignee: —
•
Filing: —
•
Granted: 1963-05-14
•
Expires: 1980-05-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:22
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
117 words
IN A SELF-CONTAINED AN AXIALLY SELF-BALANCED STARTER FOR ENGINES, A STARTING MOTOR HAVING AN EXTENDED DRIVE SHAFT, A DRIVE SLEEVE SLIDABLY KEYED ON THE DRIVE SHAFT, CLUTCH TEETH ON THE DRIVE SLEEVE, A FLANGED COLLAR SLIDABLY MOUNTED ON THE DRIVE SHAFT, MEANS FOR RESILIENTLY CONNECTING THE DRIVE SLEEVE WITH THE COLLAR, A GEAR SLIDABLY CONNECTED TO THE COLLAR, AND CLUTCH TEETH ON THE GEAR ADAPTED TO BE ENGAGED BY THE CLUTCH TEETH ON THE DRIVE SLEEVE TO BE DRIVEN THEREBY, EACH OF SAID CLUTCH TEETH PRESENTING A SLIDING FACE AND A DRIVING FACE, BOTH OF WHICH FACES ARE HELICOIDAL IN SHAPE AND OF THE SAME CHIRALITY BUT OF DIFFERENT PITCH SO AS TO FORM A SELF-TIGHTENING RATCHET.
Claim 2
Dependent Claim
117 words
IN A SELF-CONTAINED AN AXIALLY SELF-BALANCED STARTER FOR ENGINES, A STARTING MOTOR HAVING AN EXTENDED DRIVE SHAFT, A DRIVE SLEEVE SLIDABLY KEYED ON THE DRIVE SHAFT, CLUTCH TEETH ON THE DRIVE SLEEVE, A FLANGED COLLAR SLIDABLY MOUNTED ON THE DRIVE SHAFT, MEANS FOR RESILIENTLY CONNECTING THE DRIVE SLEEVE WITH THE COLLAR, A GEAR SLIDABLY CONNECTED TO THE COLLAR, AND CLUTCH TEETH ON THE GEAR ADAPTED TO BE ENGAGED BY THE CLUTCH TEETH ON THE DRIVE SLEEVE TO BE DRIVEN THEREBY, EACH OF SAID CLUTCH TEETH PRESENTING A SLIDING FACE AND A DRIVING FACE, BOTH OF WHICH FACES ARE HELICOIDAL IN SHAPE AND OF THE SAME CHIRALITY BUT OF DIFFERENT PITCH SO AS TO FORM A SELF-TIGHTENING RATCHET.
References Cited (Backward Citations)
US895152A
Cited
US1974985A
Cited
FR908130A
Cited
DE903051C
Cited
DE923883C
Cited
US2969134A
Cited
US2876644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |