Patent US4854639A successfully refreshed from Google Patents.
US4854639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child's safety seat
Assignee: Britax Excelsior Ltd
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Filing: 1989-01-23
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Granted: 1989-08-08
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Expires: 2009-01-23
Abstract
Abstract A child's safety seat comprises a seat body having a seat portion, a back rest and vertically extending side walls projecting forwardly from the side edges of the back rest. First and second guide means adjacent to the junction between the seat portion and the back rest for serve to locate a lap portion of an adult seat belt. A head rest is mounted on the back rest by means permitting adjustment of the distance between the head rest and the seat portion. Third guide means is positioned so as to guide a shoulder portion of an adult belt between the back rest and the head rest.
Inventors
- 👤 David W. Burleigh
- 👤 Andrew J. Assinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:03
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2866; B60N2/2803; B60N2/2851; B60N2/2857; B60N2/286; B60N2/80; B60N2/806; B60N2/809; B60N2/812; B60N2/821; B60N2/826
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
111 words
A child's safety seat comprising a seat body having a seat portion, a back rest, vertically extending side walls projecting forwardly from the side edges of the back rest, first and second guide means adjacent to the junction between the seat portion and the back rest for locating a lap portion of an adult seat belt, a head rest mounted on the back rest, means for mounting the head rest on the back rest so as to permit adjustment of the distance between the head rest and the seat portion, and third guide means for guiding the shoulder portion of an adult belt between the back rest and the head rest.
Claim 2
Dependent Claim
111 words
A child's safety seat comprising a seat body having a seat portion, a back rest, vertically extending side walls projecting forwardly from the side edges of the back rest, first and second guide means adjacent to the junction between the seat portion and the back rest for locating a lap portion of an adult seat belt, a head rest mounted on the back rest, means for mounting the head rest on the back rest so as to permit adjustment of the distance between the head rest and the seat portion, and third guide means for guiding the shoulder portion of an adult belt between the back rest and the head rest.
Claim 3
Dependent Claim
39 words
A child's safety seat according to claim 1, wherein the third guide means includes means for restricting movement of the shoulder portion of said adult seat belt relative to the guide means in the transverse direction of the belt.
Claim 4
Dependent Claim
40 words
A child's safety seat according to claim 2, wherein the third guide means includes blocking means for restricting movement of the shoulder portion of said adult seat belt relative to the guide means in the longitudinal direction of the belt.
Claim 5
Dependent Claim
43 words
A child's safety seat according to claim 3, wherein the blocking means comprises a wedging cam arranged to inhibit movement of the shoulder portion of said adult seat belt through the guide means in one direction while allowing movement in the opposite direction.
Claim 6
Dependent Claim
111 words
A child's safety seat according to claim 3, wherein the third guide means comprises first and second pivotally interconnected base portions, a pair of spaced parallel formations on the second base portion and a complementary formation on the first base portion arranged so as to lie between the parallel formations so as to define a sinuous path therebetween when the first and second base portions are in a first relative angular position and to be clear of the parallel formations when the first and second base portions are in a second angular position, together with catch means for securing the first and second base portions in their first relative angular position.
Claim 7
Dependent Claim
30 words
A child's safety seat according to claim 1, wherein the headrest has a pair of side walls and the third guide means is mounted on one of the side walls.
Claim 8
Dependent Claim
31 words
A child's safety seat according to any of claim 6, wherein fourth guide means similar to the third guide means, is mounted on the other side wall of the head rest.
Claim 9
Dependent Claim
49 words
A child's safety seat according to any of claim 1, wherein the head rest is mounted on the seat body by two U-shaped slide bars, one limb of each slide bar being embedded in the head rest and the other limb engaging in guide means in the back rest.
Claim 10
Dependent Claim
35 words
A child's safety seat according to any of claim 1, wherein the head rest has by two slide shoes each of which engages in a respective guide track which is recessed into the back rest.
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) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |