Patent US4037873A successfully refreshed from Google Patents.
US4037873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car seat with slack roll-up mechanism
Assignee: Klippan NV SA
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Filing: 1976-03-09
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Granted: 1977-07-26
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Expires: 1996-03-09
Abstract
Abstract A car seat is provided with a roll-up belt collecting apparatus adapted to relieve tension on the belt. The apparatus has a mechanically released locking means actuated in response to movement of a back rest disposed in the seat. The apparatus is inexpensive to produce and highly reliable in operation.
Inventors
- 👤 Per Olof Weman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:29
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/18; B60R22/26; B60N; B60N2/00; B60N2/24; B60N2/42; B60N2/427; B60N2/42772; B60N2/42781; B60R22/34; B60R22/44; B60R2022/4486
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
75 words
A car seat having a tension-free, roll-up belt collecting apparatus adapted to be actuated through a device arranged in the seat, so that further belt strap cannot be rolled up, said apparatus comprising a mechanically released locking means (12, 13; 17, 18) adapted to be actuated in response to the swiveling movement of the back rest (2, 9), said locking means being disposed in a back rest (2, 9) which is moving at least partly.
Claim 2
Dependent Claim
75 words
A car seat having a tension-free, roll-up belt collecting apparatus adapted to be actuated through a device arranged in the seat, so that further belt strap cannot be rolled up, said apparatus comprising a mechanically released locking means (12, 13; 17, 18) adapted to be actuated in response to the swiveling movement of the back rest (2, 9), said locking means being disposed in a back rest (2, 9) which is moving at least partly.
Claim 3
Dependent Claim
63 words
Car seat according to claim 1, wherein said locking device (12, 13) is attached to the roll-up apparatus (4, 5, 15) in the back rest (2), and comprises a ratchet wheel (12) with reverse gearing pivotally attached on the swivel axis (15) of the locking wheel (5), with which a ratchet (13) attached to the back rest (2, 9) will engage to lock.
Claim 4
Dependent Claim
37 words
Car seat according to claim 1, wherein said locking means (17, 18) has a nose clamp (18) attached to the movable back rest (2, 9), and adapted to be brought directly into contact with belt strap (14).
Claim 5
Dependent Claim
52 words
Car seat according to claim 2, wherein the upper part (9) of the back rest (2) is adapted to be swiveled around a stationary swivel axis (8) through an elongated support bracket (11), on which a ratchet (13) is firmly attached which protrudes backwards to the circumference of the ratchet wheel (12).
Claim 6
Dependent Claim
46 words
Car seat according to claim 3, wherein said belt strap (14) is run along an approximately vertical support area (17) in the back rest (2) and at least one wedge-shaped nose clamp (18) is used to press the belt strap (14) against the support area (17).
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) | 1980-07-25 | 1981-01-24 | 1981-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-25 | 1985-01-24 | 1985-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-25 | 1989-01-24 | 1989-07-26 | $7700.00 | Window Closed / Lapsed |