US5499831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding stroller for child's car seat
Assignee: Worth Pfaff Innovations Inc
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Filing: 1993-10-01
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Granted: 1996-03-19
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Expires: 2013-10-01
Abstract
Abstract A stroller that accepts and supports various child's car seats is easily collapsible by actuating the locking hinge using one hand. The collapsible stroller includes a lever whereby the child's car seat can be easily removed from the stroller by activating the lever with one hand and lifting the child's car seat with the other. The stroller is adaptable to receive a multitude of existing child's car seats.
Inventors
- 👤 Ronald K. Worth
- 👤 Eric G. Pfaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:57
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B7/14; B62B7/145; B62B2205/00; B62B2205/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
174 words
A stroller for accepting and supporting a child's car seat comprising a collapsible frame, said collapsible frame comprising a locking hinge assembly, said locking hinge assembly comprising at least one locking hinge defining an indenture, at least one locking tab, at least one pivot pin, at least one spring, at least one restricting tab and a locking hinge bar, said at least one locking hinge being connected to said collapsible frame by said at least one pivot pin, said at least one spring is connected to said at least one locking hinge thereby placing a rotational force on said at least one locking hinge creating movement around said at least one pivot pin, said movement being limiting by said at least one restricting tab, said at least one locking tab fitting into said indenture when said at least one locking hinge is placed into a locking position, such that said collapsible frame can be converted from an operational state to a storage state by actuating said locking hinge assembly utilizing a single, one-handed motion.
Claim 2
Dependent Claim
174 words
A stroller for accepting and supporting a child's car seat comprising a collapsible frame, said collapsible frame comprising a locking hinge assembly, said locking hinge assembly comprising at least one locking hinge defining an indenture, at least one locking tab, at least one pivot pin, at least one spring, at least one restricting tab and a locking hinge bar, said at least one locking hinge being connected to said collapsible frame by said at least one pivot pin, said at least one spring is connected to said at least one locking hinge thereby placing a rotational force on said at least one locking hinge creating movement around said at least one pivot pin, said movement being limiting by said at least one restricting tab, said at least one locking tab fitting into said indenture when said at least one locking hinge is placed into a locking position, such that said collapsible frame can be converted from an operational state to a storage state by actuating said locking hinge assembly utilizing a single, one-handed motion.
Claim 3
Dependent Claim
33 words
The stroller defined in claim 1 wherein said at least one locking hinge is placed into a locking position automatically upon conversion of the stroller from said storage state to said operational state.
Claim 4
Dependent Claim
31 words
The stroller defined in claim 1 wherein said at least one locking hinge is prohibited from moving from said locking position when said child's car seat is received by said stroller.
Claim 5
Dependent Claim
166 words
A stroller for accepting and supporting a child's car seat comprising a collapsible frame, said collapsible frame comprising a locking hinge assembly, such that said collapsible frame can be converted from an operational state to a storage state by actuating said locking hinge assembly utilizing a single, one-handed motion, said collapsible frame comprises a lever assembly, said lever assembly comprising a hinge rod, a release lever, a right pivoting cap and a left pivoting cap, said hinge rod being connected to said collapsible frame, said right and left pivoting caps are relatively connected to said hinge rod, said release lever having said right and left pivoting caps connected at each end of said release lever such that said release lever can rotate around said hinge rod such that said lever assembly is capable of being actuated to simultaneously depress a plurality of movable tabs, said tabs residing on said child's car seat, thus releasing said child's car seat from said stroller utilizing a single, one-handed motion.
Claim 6
Dependent Claim
166 words
A stroller for accepting and supporting a child's car seat comprising a collapsible frame, said collapsible frame comprising a locking hinge assembly, such that said collapsible frame can be converted from an operational state to a storage state by actuating said locking hinge assembly utilizing a single, one-handed motion, said collapsible frame comprises a lever assembly, said lever assembly comprising a hinge rod, a release lever, a right pivoting cap and a left pivoting cap, said hinge rod being connected to said collapsible frame, said right and left pivoting caps are relatively connected to said hinge rod, said release lever having said right and left pivoting caps connected at each end of said release lever such that said release lever can rotate around said hinge rod such that said lever assembly is capable of being actuated to simultaneously depress a plurality of movable tabs, said tabs residing on said child's car seat, thus releasing said child's car seat from said stroller utilizing a single, one-handed motion.
References Cited (Backward Citations)
US2438829A
Cited
US3083997A
Cited
US3829113A
Cited
US4435012A
Cited
US4537414A
Cited
US4606550A
Cited
US4770437A
Cited
US4570956A
Cited
US4750783A
Cited
US4872693A
Cited
US4768795A
Cited
US4907818A
Cited
US4834403A
Cited
US4874182A
Cited
US4822064A
Cited
US4852894A
Cited
US4915401A
Cited
US4878680A
Cited
US4896894A
Cited
US4921261A
Cited
US5201535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-03-19 | 1999-09-18 | 2000-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-03-19 | 2003-09-18 | 2004-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-03-19 | 2007-09-18 | 2008-03-19 | $7700.00 | Window Closed / Lapsed |