US4525632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starter motor for an internal combustion engine
Assignee: Mitsubishi Electric Corp
•
Filing: 1983-01-26
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Granted: 1985-06-25
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Expires: 2003-01-26
Abstract
Abstract A reduction gear type D.C. starter motor for an internal combustion engine including a planetary type reduction gear system mounted in a front bracket at a faucet joint portion between it and a rear bracket, the rear bracket and the yoke being integrally formed.
Inventors
- 👤 Toshinori Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:41
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F02N15/06; F02N11/00; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/132; Y10T74/133
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
170 words
In a reduction gear type starter motor having a yoke and poles for an internal combustion engine having a rear, an intermediate and a front bracket, the motor being interposed between said rear and intermediate brackets, said intermediate bracket containing gear trains in mesh with the rotary shaft of said motor, said front bracket containing an overrunning clutch mounted to the output rotary shaft of said gear trains and a shift lever to actuate said overrunning clutch, a pinion secured to said overrunning clutch being adapted to be meshed with a gear of said internal combustion engine, the improvement comprising only one faucet joint, said front bracket and said intermediate bracket together integrally forming a first integral part containing said overrunning clutch, said shift lever and said pinion, and said rear bracket and said yoke of said motor together integrally forming a second integral part with said poles secured to the inner periphery thereof, said second integral part and said first integral part being connected together by said faucet joint.
Claim 2
Dependent Claim
170 words
In a reduction gear type starter motor having a yoke and poles for an internal combustion engine having a rear, an intermediate and a front bracket, the motor being interposed between said rear and intermediate brackets, said intermediate bracket containing gear trains in mesh with the rotary shaft of said motor, said front bracket containing an overrunning clutch mounted to the output rotary shaft of said gear trains and a shift lever to actuate said overrunning clutch, a pinion secured to said overrunning clutch being adapted to be meshed with a gear of said internal combustion engine, the improvement comprising only one faucet joint, said front bracket and said intermediate bracket together integrally forming a first integral part containing said overrunning clutch, said shift lever and said pinion, and said rear bracket and said yoke of said motor together integrally forming a second integral part with said poles secured to the inner periphery thereof, said second integral part and said first integral part being connected together by said faucet joint.
Claim 3
Dependent Claim
40 words
The improvement as claimed in claim 1, further comprising a number of through bolts, said first and second integral parts being connected together by said number of through bolts with the ends of said bolts being secured into them, respectively.
Claim 4
Dependent Claim
19 words
The improvement as claimed in claim 1, wherein the commutator of said motor is located near said faucet joint.
Claim 5
Dependent Claim
41 words
The improvement as in claim 1, wherein said first integral part comprises an annular groove in said faucet joint, said improvement further comprising a brush holder base mounted in said annular groove so as to directly abut said first integral bracket.
Claim 6
Dependent Claim
55 words
The improvement as in claim 3, wherein said first integral part comprises an annular groove in said faucet joint, said improvement further comprising a brush holder base mounted in said annular groove so as to directly abut said first integral bracket, and brushes mounted on said brush holder base so as to contact said commutator.
Claim 7
Dependent Claim
23 words
The improvement as in claim 5, further comprising a disc mounted in said groove between said gear train and said brush holder base.
Claim 8
Dependent Claim
26 words
The improvement as in claim 6, further comprising a spur gear mounted in said groove in abutment with said disc in mesh with said gear train.
References Cited (Backward Citations)
US2685042A
Cited
US3200272A
Cited
US3319093A
Cited
US3683219A
Cited
US3766453A
Cited
US4080541A
Cited
US4154117A
Cited
US4206656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-24 | 1988-12-24 | 1989-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-24 | 1992-12-24 | 1993-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-24 | 1996-12-24 | 1997-06-25 | $7700.00 | Window Closed / Lapsed |