US4294464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Child's stroller
Assignee: Individual
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Filing: 1979-02-14
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Granted: 1981-10-13
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Expires: 1999-02-14
Abstract
Abstract A child's stroller, pusher, pram which folds into a compact unit. The handle, seat, frame and undercarriage are interconnected by a linkage so that the components fold down towards the wheels as the wheels move towards each other.
Inventors
- 👤 John P. Ettridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:29
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B2205/00; B62B2205/06; B62B2205/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
111 words
A child's stroller comprising an upper horizontal frame, a lower horizontal seat frame, a pantograph linkage connecting the said frames, an articulated handle connected to the upper frame and also to a first arm of the pantograph linkage, a second arm of the pantograph linkage connected to a first wheel frame having wheels, a second wheel frame having wheels and link means extending between and interconnecting said wheel frames, so that on collapsing said stroller said handle folds onto the upper frame and said upper frame moves in parallel manner to be adjacent said seat frame, said link means moving said first wheel frame wheels towards the second wheel frame wheels.
Claim 2
Dependent Claim
111 words
A child's stroller comprising an upper horizontal frame, a lower horizontal seat frame, a pantograph linkage connecting the said frames, an articulated handle connected to the upper frame and also to a first arm of the pantograph linkage, a second arm of the pantograph linkage connected to a first wheel frame having wheels, a second wheel frame having wheels and link means extending between and interconnecting said wheel frames, so that on collapsing said stroller said handle folds onto the upper frame and said upper frame moves in parallel manner to be adjacent said seat frame, said link means moving said first wheel frame wheels towards the second wheel frame wheels.
Claim 3
Dependent Claim
51 words
A child's stroller as defined in claim 1 characterised in that said first arm of said pantograph linkage is pivoted to the forward portion of said seat frame and to said second arm where the said arms cross, said second arm being pivoted to the forward portion of said upper frame.
Claim 4
Dependent Claim
93 words
A child's stroller as defined in claim 2 characterised in that said first wheel frame is suspended from a pivot rod by a seat frame link from the rear of the seat frame, said second arm of said pantograph linkage pivoted to said pivot rod, and said sevond wheel frame being pivoted to said pivot rod, a first bracing link extending from the forward portion of the seat frame to said first wheel frame, and a second bracing link extending from the forward portion of said seat frame to said second wheel frame.
Claim 5
Dependent Claim
77 words
A child's stroller as defined in claim 1 characterised in that said handle comprises an upper handle portion, a lower handle portion connected to said upper handle portion and pivoted to said upper frame, and a handle link connected to said upper handle portion and pivoted to said first arm of said pantograph linkage, whereby the upper handle portion folds rearwardly while said lower portion and handle link fold forwardly as stroller collapses to a folded condition.
Claim 6
Dependent Claim
98 words
A child's stroller as defined in claim 1 characterised by brake means adapted to brake a pair of wheels of said stroller, a pivot rod supporting said wheel frames beneath said seat, said pivot rod having a handle at one end, a crank intermediate the ends of said pivot rod, a push rod pivoted to said crank, said push rod being connected to a transverse brake rod centrally thereof adapted at its ends to engage said wheels by a controlled slide movement, whereby on actuation of said handle said push rod applies said brake rod to said wheels.
Claim 7
Dependent Claim
81 words
A child's stroller as defined in claim 1 characterised by brake means adapted to brake a pair of wheels of said stroller, said means including a transverse brake rod adapted to contact both wheels of said pair, a push rod attached to said brake rod to move said brake rod vertically to apply said brake rod to said wheels slotted guide members engaging said brake rod to guide its movement by said push rod, and means to move said push rod.
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) | 1984-10-12 | 1985-04-13 | 1985-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-12 | 1989-04-13 | 1989-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-12 | 1993-04-13 | 1993-10-13 | $7700.00 | Window Closed / Lapsed |