Patent US5794412A successfully refreshed from Google Patents.
Patent US3705522A successfully refreshed from Google Patents.
US3705522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed change mechanism
Assignee: Motors Liquidation Co
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Filing: 1971-06-30
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Granted: 1972-12-12
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Expires: 1991-06-30
Abstract
Abstract A speed change mechanism for providing a high gear ratio between the input and output members in which all of the gear members have a standard gear tooth form. A carrier member is drivingly connected to one of the members and rotatably supports a pair of pinion gears eccentrically mounted relative to each other on the carrier. One ring gear is secured to a stationary housing and meshes with one of the pinions and a second ring gear drivingly connected to the other member and meshes with the other pinion. A third pinion gear which is an idler member in the system meshes with both of the other pinions through dual tangencies at the pitch diameters of the pinion gears.
Inventors
- 👤 Fremont T Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
162 words
A speed change mechanism comprising; a stationary housing; an input shaft rotatably mounted in said housing; planet carrier means drivingly connected with said input shaft and including first and second mounting means eccentric to each other; an output shaft rotatably journaled in said housing; a first ring gear drivingly connected with said output shaft; a second ring gear secured to said housing; a first planet pinion rotatably on said first mounting means and meshing with said first ring gear; a second planet pinion rotatably mounted on said second mounting means with the center line thereof in a position eccentric with said first planet pinion and meshing with said second ring gear; and a third planet pinion rotatably mounted on said carrier means and meshing with said first and second planet pinions at points tangent to the pitch diameters of said first and second planet pinions to transmit rotary motion from one of said planet pinions to said other of said planet pinions.
Claim 2
Dependent Claim
162 words
A speed change mechanism comprising; a stationary housing; an input shaft rotatably mounted in said housing; planet carrier means drivingly connected with said input shaft and including first and second mounting means eccentric to each other; an output shaft rotatably journaled in said housing; a first ring gear drivingly connected with said output shaft; a second ring gear secured to said housing; a first planet pinion rotatably on said first mounting means and meshing with said first ring gear; a second planet pinion rotatably mounted on said second mounting means with the center line thereof in a position eccentric with said first planet pinion and meshing with said second ring gear; and a third planet pinion rotatably mounted on said carrier means and meshing with said first and second planet pinions at points tangent to the pitch diameters of said first and second planet pinions to transmit rotary motion from one of said planet pinions to said other of said planet pinions.
Claim 3
Dependent Claim
150 words
A speed change mechanism comprising housing means; input means; output means; carrier means drivingly connected with said input means including eccentric pinion mounting shaft means, first pinion means having a standard tooth form rotatably mounted on said eCcentric pinion mounting shaft means; second pinion means having a standard tooth form rotatably mounted on said eccentric pinion mounting shaft means eccentrically relative to said first pinion means; first ring gear means having a standard tooth form and meshing with said first pinion means and secured to said housing means; second ring gear means having a standard tooth form and meshing with said second pinion means and being drivingly connected with said output means; and idler gear means having a standard tooth form and meshing with said first and second pinion means at points tangent to the pitch diameters thereof to transmit rotation from one pinion means to the other pinion means.
Claim 4
Dependent Claim
150 words
A speed change mechanism comprising housing means; input means; output means; carrier means drivingly connected with said input means including eccentric pinion mounting shaft means, first pinion means having a standard tooth form rotatably mounted on said eCcentric pinion mounting shaft means; second pinion means having a standard tooth form rotatably mounted on said eccentric pinion mounting shaft means eccentrically relative to said first pinion means; first ring gear means having a standard tooth form and meshing with said first pinion means and secured to said housing means; second ring gear means having a standard tooth form and meshing with said second pinion means and being drivingly connected with said output means; and idler gear means having a standard tooth form and meshing with said first and second pinion means at points tangent to the pitch diameters thereof to transmit rotation from one pinion means to the other pinion means.
Claim 5
Dependent Claim
172 words
A speed change mechanism comprising a stationary housing; an input shaft rotatably mounted in said housing; planet carrier means drivingly connected with said input shaft and including an eccentric shaft having eccentric mounting means; an output shaft rotatably journaled in said housing; a first ring gear drivingly connected with said output shaft; a second ring gear secured to said housing; a first planet pinion rotatably on said eccentric shaft and meshing with said first ring gear; a second planet pinion rotatably mounted on said eccentric shaft with the center line thereof in a position eccentric with said first planet pinion and meshing with said second ring gear; a third planet pinion rotatably mounted on said carrier means and meshing with said first and second planet pinions at points tangent to the pitch diameters of said first and second planet pinions to transmit rotary motion from one of said planet pinions to said other of said planet pinions; and all of said gears having a standard tooth profile and the same diametral pitch.
Claim 6
Dependent Claim
172 words
A speed change mechanism comprising a stationary housing; an input shaft rotatably mounted in said housing; planet carrier means drivingly connected with said input shaft and including an eccentric shaft having eccentric mounting means; an output shaft rotatably journaled in said housing; a first ring gear drivingly connected with said output shaft; a second ring gear secured to said housing; a first planet pinion rotatably on said eccentric shaft and meshing with said first ring gear; a second planet pinion rotatably mounted on said eccentric shaft with the center line thereof in a position eccentric with said first planet pinion and meshing with said second ring gear; a third planet pinion rotatably mounted on said carrier means and meshing with said first and second planet pinions at points tangent to the pitch diameters of said first and second planet pinions to transmit rotary motion from one of said planet pinions to said other of said planet pinions; and all of said gears having a standard tooth profile and the same diametral pitch.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |