US4519261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting motor with planetary gear reduction gears
Assignee: Mitsubishi Electric Corp
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Filing: 1982-10-29
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Granted: 1985-05-28
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Expires: 2002-10-29
Abstract
Abstract This invention relates to a starting motor with planetary gear reduction gears having a spur gear provided at the front end of the rotational shaft of the starting motor, an internal gear secured fixedly to the front end of the yoke of the motor, a planetary gear for engaging the spur gear with the internal gear, an output rotational shaft for transmitting the rotary force of the motor to the planetary gear, and a pair of collars provided on the internal gear at both ends of the teeth of the internal gear.
Inventors
- 👤 Isao Hamano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:44
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F02N15/06; F02N15/043; F02N15/046; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/137; Y10T74/19; Y10T74/19949; Y10T74/19963
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A starting motor with planetary gear reduction gears comprising a spur gear provided at a front end of a rotational shaft of said starting motor, a ring shaped gear having internal gear teeth fixed to a front end of a yoke of said motor, a planetary gear for engaging said spur gear with said ring shaped gear, an output rotational shaft for transmitting the rotary force of said motor through said planetary gear, and a pair of collars integral with said ring shaped gear and both ends of the internal teeth of said ring shaped gear.
Claim 2
Dependent Claim
96 words
A starting motor with planetary gear reduction gears comprising a spur gear provided at a front end of a rotational shaft of said starting motor, a ring shaped gear having internal gear teeth fixed to a front end of a yoke of said motor, a planetary gear for engaging said spur gear with said ring shaped gear, an output rotational shaft for transmitting the rotary force of said motor through said planetary gear, and a pair of collars integral with said ring shaped gear and both ends of the internal teeth of said ring shaped gear.
References Cited (Backward Citations)
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Cited
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Cited
US1491836A
Cited
US2481783A
Cited
US2544061A
Cited
US3209603A
Cited
US4156817A
Cited
US4346615A
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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) | 1988-05-27 | 1988-11-26 | 1989-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-27 | 1992-11-26 | 1993-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-27 | 1996-11-26 | 1997-05-28 | $7700.00 | Window Closed / Lapsed |