Patent US3724133A successfully refreshed from Google Patents.
US3724133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for opening and closing a window assembly of a vehicle
Assignee: Denso Corp
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Filing: 1971-03-25
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Granted: 1973-04-03
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Expires: 1991-03-25
Abstract
Abstract Means for automatically opening and closing a window assembly of a vehicle comprising an X-shaped linkage assembly, a power unit and three rollers rotatably secured to the linkage assembly, the rotation of power unit being transmitted to an internal gear provided at an arm forming the linkage, thereby moving up or down the arm and opening and closing the window assembly.
Inventors
- 👤 K Oshikawa
- 👤 T Shirai
- 👤 M Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:20
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/44; E05F11/445; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
245 words
Means for automatically opening and closing a window assembly of a vehicle, said means comprising an X-shaped linkage assembly having a first arm and a second arm, a power unit incorporated into said first arm and having a motor and gear means for reducing the number of revolutions per minute of the output of said motor, one end portion of said first arm being rotatably secured to a framework of a door and another end portion being rotatably attached to a second and third arms, said second arm being attached at its central portion to said first arm and having a roller rotatably secured to each end thereof, each of which is operatively associated with a slider, one of said sliders being fixed to said door framework and the other being fixed to said window framework, said third arm being attached at one end portion to said first arm and having another end portion with a roller rotatably attached thereto and operatively associated with a slider fixed to a window framework, said first arm having an enlarged portion wherein said power unit is incorporated and having an internal gear cut in a central portion of said enlarged portion, said internal gear being meshed with said gear means, said enlarged portion being rotatably supported around a periphery of a housing receiving said power unit, stop ring means positioned where said enlarged portion is rotatably mounted to said housing for preventing said first arm from axial movement.
Claim 2
Dependent Claim
245 words
Means for automatically opening and closing a window assembly of a vehicle, said means comprising an X-shaped linkage assembly having a first arm and a second arm, a power unit incorporated into said first arm and having a motor and gear means for reducing the number of revolutions per minute of the output of said motor, one end portion of said first arm being rotatably secured to a framework of a door and another end portion being rotatably attached to a second and third arms, said second arm being attached at its central portion to said first arm and having a roller rotatably secured to each end thereof, each of which is operatively associated with a slider, one of said sliders being fixed to said door framework and the other being fixed to said window framework, said third arm being attached at one end portion to said first arm and having another end portion with a roller rotatably attached thereto and operatively associated with a slider fixed to a window framework, said first arm having an enlarged portion wherein said power unit is incorporated and having an internal gear cut in a central portion of said enlarged portion, said internal gear being meshed with said gear means, said enlarged portion being rotatably supported around a periphery of a housing receiving said power unit, stop ring means positioned where said enlarged portion is rotatably mounted to said housing for preventing said first arm from axial movement.
Claim 3
Dependent Claim
80 words
Means according to claim 1 being characterized in that the end portion of the arm which is not provided with a roller is enlarged, an internal gear being provided at the central portion of the enlarged portion, and said internal gear being meshed with the train of gears so as to transmit the rotation of the motor located on the inside of the door to the internal gear, thereby angularly displacing said arms and opening or closing the window assembly.
Claim 4
Dependent Claim
33 words
Means according to claim 2 being characterized in that a motor housing is so arranged as to be fitted in said enlarged portion of the arm fixed to the inside of the door.
Claim 5
Dependent Claim
208 words
Means for automatically opening and closing a window assembly of a vehicle, said means comprising an X-shaped linkage assembly having a first arm and a second arm, a power unit incorporated into said first arm and having a motor and gear means for reducing the number of revolutions per minute of the output of said motor; one end portion of said first arm being rotatably secured to a framework of a door and another end thereof having a roller rotatably secured thereto and operatively associated with a slider fixed to a window framework; said second arm having a roller rotatably secured to each end thereof each of which is operatively associated with a slider, one of said sliders being fixed to said door framework and the other being fixed to said window framework; said first arm having an enlarged portion thereof wherein said power unit is incorporated and having an internal gear cut in a central portion of said enlarged portion, said internal gear being meshed with said gear means, said enlarged portion being rotatably supported around a periphery of a housing receiving said power unit; stop ring means positioned where said enlarged portion is rotatably mounted to said housing, for preventing said first arm from axial movement.
Claim 6
Dependent Claim
208 words
Means for automatically opening and closing a window assembly of a vehicle, said means comprising an X-shaped linkage assembly having a first arm and a second arm, a power unit incorporated into said first arm and having a motor and gear means for reducing the number of revolutions per minute of the output of said motor; one end portion of said first arm being rotatably secured to a framework of a door and another end thereof having a roller rotatably secured thereto and operatively associated with a slider fixed to a window framework; said second arm having a roller rotatably secured to each end thereof each of which is operatively associated with a slider, one of said sliders being fixed to said door framework and the other being fixed to said window framework; said first arm having an enlarged portion thereof wherein said power unit is incorporated and having an internal gear cut in a central portion of said enlarged portion, said internal gear being meshed with said gear means, said enlarged portion being rotatably supported around a periphery of a housing receiving said power unit; stop ring means positioned where said enlarged portion is rotatably mounted to said housing, for preventing said first arm from axial movement.
Claim 7
Dependent Claim
24 words
Means according to claim 4 being characterized in that a motor housing being so arranged as to be loosely fitted in said first arm.
References Cited (Backward Citations)
US3359684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |