Patent US5478135A successfully refreshed from Google Patents.
US5478135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child carrier with detachable base
Assignee: Evenflo Co Inc
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Filing: 1994-10-28
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Granted: 1995-12-26
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Expires: 2014-10-28
Abstract
Abstract A child carrier having a seat which may be attached and removed from a base. The base has a spring-loaded locking mechanism which automatically secures the seat in the base. The seat has a spring-loaded release trigger extending from its head end. The trigger is integral with an elongated member which engages a connection to the locking mechanism in the base so as to release the seat from the base. The base and seat comprise an infant car seat.
Inventors
- 👤 James M. Kain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:00
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2857; B60N2/286; B60N2/2803; B60N2/2806; B60N2/2821; B60N2/2842; B60N2/2845; B60N2/2863; B62; B62B; B62B3/00; B62B3/14; B62B3/144; B62B3/1444
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
237 words
A child carrier comprising seat means having a seat base including a foot end, head end, a back, and side walls; a spring-biased latch extending through said back of said seat means; a base geometrically configured so as to mate with the bottom of said seat means, said base having a bottom surface, a head end, foot end, and side walls; a frame movably mounted within said base and being configured at one end so as to mate with and move with said spring-biased latch; a pair of steel hooks pivotally mounted within said base, said hooks being of a substantially wear-resistant material; means for securing the other end of said frame to said hooks; a second spring for biasing said frame in a direction so as to maintain said hooks in a substantially upwardly extending position; a pair of orifices in the bottom of said seat means configured so as to mate with said hooks when said seat means is placed on said base; an L-shaped steel plate secured adjacent each of said orifices for mating with said hooks, said L-shaped plates being of a substantially wear-resistant material; whereby movement of said spring biased latch in one direction moves said frame so as to overcome the bias of said second spring and rotate said hooks to a position of non-engagement with said L-shaped plates so as to permit removal of said seat means from said base.
Claim 2
Dependent Claim
237 words
A child carrier comprising seat means having a seat base including a foot end, head end, a back, and side walls; a spring-biased latch extending through said back of said seat means; a base geometrically configured so as to mate with the bottom of said seat means, said base having a bottom surface, a head end, foot end, and side walls; a frame movably mounted within said base and being configured at one end so as to mate with and move with said spring-biased latch; a pair of steel hooks pivotally mounted within said base, said hooks being of a substantially wear-resistant material; means for securing the other end of said frame to said hooks; a second spring for biasing said frame in a direction so as to maintain said hooks in a substantially upwardly extending position; a pair of orifices in the bottom of said seat means configured so as to mate with said hooks when said seat means is placed on said base; an L-shaped steel plate secured adjacent each of said orifices for mating with said hooks, said L-shaped plates being of a substantially wear-resistant material; whereby movement of said spring biased latch in one direction moves said frame so as to overcome the bias of said second spring and rotate said hooks to a position of non-engagement with said L-shaped plates so as to permit removal of said seat means from said base.
Claim 3
Dependent Claim
29 words
The child carrier of claim 1 wherein each of said hooks has a camming surface which bears against said L-shaped plates when said hooks are inserted into said orifices.
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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) | 1998-12-25 | 1999-06-26 | 1999-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-12-25 | 2003-06-26 | 2003-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-12-25 | 2007-06-26 | 2007-12-26 | $7700.00 | Window Closed / Lapsed |