Patent US4700982A successfully refreshed from Google Patents.
US4700982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open-top vehicle having a power operated roof structure
Assignee: Mazda Motor Corp
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Filing: 1986-04-25
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Granted: 1987-10-20
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Expires: 2006-04-25
Abstract
Abstract An open-top vehicle including a foldable hood supported by a U-shaped pillar and a linkage for extending and folding the hood and pillar. At each side, a reversible motor is provided for actuating the linkage. There is provided a motor control circuit which prohibits motor operation when the vehicle speed is above a predetermined value.
Inventors
- 👤 Koji Kuraoka
- 👤 Morio Umeda
- 👤 Takeshi Konishi
- 👤 Takanori Tuchiya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:41
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/10; B60J7/106; B60J7/108
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
250 words
An open-top vehicle including a body section, retractable pillar means movable between an extended position where the pillar means extends above a rear portion of the body section and a retracted position where the pillar means is retracted into the rear portion of the body section, drive means for moving the pillar means between the extended position and the retracted position, vehicle speed detecting means for detecting running speed of the vehicle, prohibiting means responsive to the running speed of the vehicle for prohibiting the drive means to move said pillar means at least from one of the extended position and the retracted position to the other, said pillar means being of a substantially inverted U-shape having leg portions pivotably connected with said body section for movement between an erected position which corresponds to said extended position of the roof means and a retracted position, foldable hood means connected with said pillar means and adapted for covering a rear top portion of said body section, said foldable hood means having transparent means providing rear window means, roof panel means of a rigid structure for covering a front top portion of the body section, said drive means including motor means having output shaft means and link means including a link having one end articulatedly connected with the output shaft means and the other end pivotably connected with said leg portion of the pillar means at a position rearward of a position where said leg portion is connected with the body section.
Claim 2
Dependent Claim
250 words
An open-top vehicle including a body section, retractable pillar means movable between an extended position where the pillar means extends above a rear portion of the body section and a retracted position where the pillar means is retracted into the rear portion of the body section, drive means for moving the pillar means between the extended position and the retracted position, vehicle speed detecting means for detecting running speed of the vehicle, prohibiting means responsive to the running speed of the vehicle for prohibiting the drive means to move said pillar means at least from one of the extended position and the retracted position to the other, said pillar means being of a substantially inverted U-shape having leg portions pivotably connected with said body section for movement between an erected position which corresponds to said extended position of the roof means and a retracted position, foldable hood means connected with said pillar means and adapted for covering a rear top portion of said body section, said foldable hood means having transparent means providing rear window means, roof panel means of a rigid structure for covering a front top portion of the body section, said drive means including motor means having output shaft means and link means including a link having one end articulatedly connected with the output shaft means and the other end pivotably connected with said leg portion of the pillar means at a position rearward of a position where said leg portion is connected with the body section.
Claim 3
Dependent Claim
29 words
A vehicle in accordance with claim 1 which includes limit switch means adapted to be operated by said link means when the pillar means is in the erected position.
Claim 4
Dependent Claim
29 words
A vehicle in accordance with claim 1 which includes limit switch means adapted to be operated by said link means when the pillar means is in the retracted position.
Claim 5
Dependent Claim
30 words
A vehicle in accordance with claim 1 in which said motor means includes a pair of motors adapted for driving respective one of said leg portions of the pillar means.
Claim 6
Dependent Claim
16 words
A vehicle in accordance with claim 1 in which said roof panel means is removably mounted.
Claim 7
Dependent Claim
46 words
A vehicle in accordance with claim 1 which includes upper hood stretching means for engaging the hood means between the movable pillar means and said transparent means and for stretching an upper portion of the hood means when said pillar means is in the erected position.
Claim 8
Dependent Claim
76 words
A vehicle in accordance with claim 1 in which sid hood means has side and rear edge portions secured to said body section beneath a peripheral portion of recess means where said hood means is to be folded, peripheral hood stretching means for engaging the hood means in the vicinity of the peripheral portion of the recess means for stretching the peripheral portion of the hood means when the pillar means is in the erected position.
Claim 9
Dependent Claim
46 words
A vehicle in accordance with claim 1 in which said drive means includes electric motor means and motor control means which comprises manual switch means and relay means responsive to operations of the manual switch means for reversibly controlling electric current flow to said motor means.
Claim 10
Dependent Claim
42 words
A vehicle in accordance with claim 8 in which said motor control means includes limit switch means for cutting an electric current supply when the roof means is moved to a desired position which is one of said extended and retracted position.
Claim 11
Dependent Claim
25 words
A vehicle in accordance with claim 8 in which said prohibiting means includes relay means provided between power source means and said motor control means.
Claim 12
Dependent Claim
32 words
A vehicle in accordance with claim 1 in which said vehicle speed detecting means includes pulse generating means which produces output pulses of a frequency representing the running speed of the vehicle.
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Cited
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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) | 1990-10-19 | 1991-04-20 | 1991-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-19 | 1995-04-20 | 1995-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-19 | 1999-04-20 | 1999-10-20 | $7700.00 | Window Closed / Lapsed |