US4813741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car seat
Assignee: Ikeda Corp
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Filing: 1987-12-01
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Granted: 1989-03-21
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Expires: 2007-12-01
Abstract
Abstract A car seat having a forward and rearward sliding mechanism for sliding a seat cushion in a horizontal direction, a reclining mechanism for inclining a seat back in a forward or rearward direction and a walk-in mechanism comprising means to associate the forward and rearward sliding mechanism with the reclining mechanism so that when the reclining mechanism inclines the seat back in the forward direction, the seat cushion is urged to move in a forward direction.
Inventors
- 👤 Fumio Miyauchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:17
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
358 words
A car seat comprising: a seat cushion frame; a seat cushion attached to said seat cushion frame; a seat back frame; a seat back attached to said seat back frame; a movable rail attached to said cushion frame for being adjustably slidably mounted on a stationary rail mounted in a car for allowing said car seat to be moved forwardly and rearwardly in a car; a locking means attached to said movable rail for locking said movable rail relative to a stationary rail in a car, said locking means including a sliding lever pivotably attached to said movable rail for locking and unlocking said locking means for locking and unlocking said movable rail relative to a stationary rail in a car, an engagement pin means attached to said sliding lever for moving said sliding lever for causing said sliding lever to lock and unlock said locking means; a reclining mechanism attached to said seat cushion frame and to said seat back frame, said reclining mechanism rotatably connecting said seat cushion frame and said seat back frame for inclining said seat back forwardly and rearwardly relative to said seat cushion; and connecting means attached to said locking means and to said reclining mechanism for unlocking said locking means only when said seat back is inclined forwardly relative to said seat cushion, said connecting means including a first link member having first and second ends, said first end of said first link member being fixedly connected to said seat back frame for rotation therewith, engaging means attached to said second end of said first link member for engaging said engagement pin means of said sliding lever for moving said engagement pin means for moving said sliding lever for unlocking said movable rail relative to a stationary rail on a car, said engaging means including a slot having first and second ends for engaging and moving said engagement pin means of said sliding lever, and said first end of said slot engaging and moving said engagement pin means for moving said sliding lever for unlocking said movable rail only when said seat back is inclined forwardly relative to said seat cushion.
Claim 2
Dependent Claim
358 words
A car seat comprising: a seat cushion frame; a seat cushion attached to said seat cushion frame; a seat back frame; a seat back attached to said seat back frame; a movable rail attached to said cushion frame for being adjustably slidably mounted on a stationary rail mounted in a car for allowing said car seat to be moved forwardly and rearwardly in a car; a locking means attached to said movable rail for locking said movable rail relative to a stationary rail in a car, said locking means including a sliding lever pivotably attached to said movable rail for locking and unlocking said locking means for locking and unlocking said movable rail relative to a stationary rail in a car, an engagement pin means attached to said sliding lever for moving said sliding lever for causing said sliding lever to lock and unlock said locking means; a reclining mechanism attached to said seat cushion frame and to said seat back frame, said reclining mechanism rotatably connecting said seat cushion frame and said seat back frame for inclining said seat back forwardly and rearwardly relative to said seat cushion; and connecting means attached to said locking means and to said reclining mechanism for unlocking said locking means only when said seat back is inclined forwardly relative to said seat cushion, said connecting means including a first link member having first and second ends, said first end of said first link member being fixedly connected to said seat back frame for rotation therewith, engaging means attached to said second end of said first link member for engaging said engagement pin means of said sliding lever for moving said engagement pin means for moving said sliding lever for unlocking said movable rail relative to a stationary rail on a car, said engaging means including a slot having first and second ends for engaging and moving said engagement pin means of said sliding lever, and said first end of said slot engaging and moving said engagement pin means for moving said sliding lever for unlocking said movable rail only when said seat back is inclined forwardly relative to said seat cushion.
Claim 3
Dependent Claim
95 words
A device as in claim 1, wherein said first link member of said connecting means includes a rotary shaft having first and second ends, and said engaging means includes a link arm having first and second ends, said first end of said link arm being fixedly attached to said rotary shaft for movement therewith, a connecting arm having first and second ends, said first end of said connecting arm being pivotably attached to said second end of said link arm, and said second end of said connecting arm including said slot of said engaging means.
Claim 4
Dependent Claim
11 words
A device as in claim 2, wherein said slot is arcuate.
Claim 5
Dependent Claim
33 words
A device in claim 1, wherein said reclining mechanism includes a pivotal base pivotably mounted on said cushion frame, and a locking means for locking said pivotal base relative to said cushion frame.
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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) | 1992-03-20 | 1992-09-19 | 1993-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-20 | 1996-09-19 | 1997-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-20 | 2000-09-19 | 2001-03-21 | $7700.00 | Window Closed / Lapsed |