Patent US4643445A successfully refreshed from Google Patents.
US4643445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Children's push-chair or stroller
Assignee: Individual
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Filing: 1984-10-18
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Granted: 1987-02-17
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Expires: 2004-10-18
Abstract
Abstract A collapsible stroller of the type that has a pair of spaced front legs, and a pair of spaced rear legs, with the front legs each having the upper handle-bar branch pivotally connected thereto, with the upper handle-bar branch also connected to a rear leg. A pair of armrests are provided, with each armrest having one end pivotally connected to an associated upper handlebar branch between the location where the upper handlebar branch is connected to the front legs and where it is connected to the rear legs. An opposite end of each armrest is pivotally connected to a rigid rod which is directly pivotally connected to one of the front legs. In this way, the armrest will be collapsed only when the stroller is also collapsed.
Inventors
- 👤 Ramon Jane Cabagnero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:29
CPC Classifications
B; B62; B62B; B62B9/00; B62B9/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
149 words
In a collapsible stroller of the type having a pair of spaced front legs and a pair of spaced rear legs, said front legs each having an upper handlebar branch pivotally connected thereto at respective first pivot means, each said upper handlebar branch having an upper end pivotally connected to a rear leg, said stroller having a seat frame located between respective portions of said front and rear legs, the improvement comprising a pair of armrests with each armrest having one end pivotally connected to an associated upper handlebar branch at a second pivot means disposed between said first pivot means and said upper end of a respective upper handlebar branch, an opposite end of each armrest being pivotally connected by a third pivot means to a respective rigid rod means, with each said rigid rod means being directly pivotally connected to a respective one of said front legs.
Claim 2
Dependent Claim
149 words
In a collapsible stroller of the type having a pair of spaced front legs and a pair of spaced rear legs, said front legs each having an upper handlebar branch pivotally connected thereto at respective first pivot means, each said upper handlebar branch having an upper end pivotally connected to a rear leg, said stroller having a seat frame located between respective portions of said front and rear legs, the improvement comprising a pair of armrests with each armrest having one end pivotally connected to an associated upper handlebar branch at a second pivot means disposed between said first pivot means and said upper end of a respective upper handlebar branch, an opposite end of each armrest being pivotally connected by a third pivot means to a respective rigid rod means, with each said rigid rod means being directly pivotally connected to a respective one of said front legs.
Claim 3
Dependent Claim
40 words
The stroller as claimed in claim 1 wherein a front handrail is provided, said handrail having opposite ends with each end being pivotally connected to a head member, each said head member being mounted on a respective said rod means.
Claim 4
Dependent Claim
40 words
The stroller as claimed in claim 1 wherein said respective first, second and third pivot means are disposed such that, when the stroller is collapsed, each upper handlebar will be rotated about said second pivot means toward its associated armrest.
References Cited (Backward Citations)
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Cited
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US3443835A
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US4118052A
Cited
US4293144A
Cited
US4538830A
Cited
US4515389A
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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) | 1990-02-16 | 1990-08-18 | 1991-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-16 | 1994-08-18 | 1995-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-16 | 1998-08-18 | 1999-02-17 | $7700.00 | Window Closed / Lapsed |