Patent US2350837A successfully refreshed from Google Patents.
Patent US4506907A successfully refreshed from Google Patents.
US4506907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby carriage
Assignee: Withone Co Ltd
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Filing: 1983-06-06
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Granted: 1985-03-26
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Expires: 2003-06-06
Abstract
Abstract A baby carriage which essentially comprises a pair of wheeled front legs, a pair of wheeled rear legs, sliders having said front legs pivoted thereto and slidable along said rear legs, transverse rods pivoted at one end to said rear legs, rear bars having the other ends of said transverse rods pivoted thereto, rocker bars pivoted at the opposite ends to said rear legs and rear bars, rear rods pivoted at one end to said rocker bars, L-shaped levers pivoted to said rear legs between the mounting points of said rocker bars and rear wheels, pull bars pivoted to said levers and sliders, connector bars pivoted to said front legs and said rear legs between the mounting points of said rocker bars and rear wheels, intersecting pipes pivoted to said sliders and rear legs and each other in intermediate portions of said pipes, and a pusher bar.
Inventors
- 👤 Takeshi Miyagi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:52
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B2205/00; B62B2205/02; B62B2205/26; B62B9/00; B62B9/20; B62B9/203
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
329 words
A baby carriage comprising a pair of front legs having front wheels mounted at the lower ends, a pair of rear legs having rear wheels mounted at the lower ends, sliders having the upper ends of said front legs pivoted to said sliders and slidable along said rear legs, transverse rods pivoted at one end to the upper ends of said rear legs, rear bars having the other ends of said transverse rods pivoted to the upper ends of said rear bars, rocker bars pivoted at the opposite ends to said rear legs and said rear bars, rear rods pivoted at one end to intermediate portions of said rocker bars, L-shaped levers pivoted in intermediate portions to the junctions between the mounting areas of said rocker bars and said rear wheels on said rear legs and having the other ends of said rear bars pivoted to one end of said L-shaped levers, pull bars pivoted at the lower ends to the other ends of said L-shaped levers and at the upper ends to said sliders, connector bars pivoted at one end to intermediate portions of said front legs and at the other ends to said rear legs between the mounting points of said rocker bars and said rear wheels on the rear legs, intersecting pipes pivoted to each other in intermediate portions and arranged in X-configuration, one of said pipes being pivoted at the upper end to the slider on one side of said baby carriage and at the lower end to a lower portion of the rear leg on the other side of said baby carriage and the other of said pipes being pivoted at the upper end to a lower portion of said rear leg on the other side of said baby carriage and at the lower end to the slider on said one side of the baby carriage and a pusher bar having a folding manipulation member and foldable in both the fore-and-aft and widthwise directions.
Claim 2
Dependent Claim
329 words
A baby carriage comprising a pair of front legs having front wheels mounted at the lower ends, a pair of rear legs having rear wheels mounted at the lower ends, sliders having the upper ends of said front legs pivoted to said sliders and slidable along said rear legs, transverse rods pivoted at one end to the upper ends of said rear legs, rear bars having the other ends of said transverse rods pivoted to the upper ends of said rear bars, rocker bars pivoted at the opposite ends to said rear legs and said rear bars, rear rods pivoted at one end to intermediate portions of said rocker bars, L-shaped levers pivoted in intermediate portions to the junctions between the mounting areas of said rocker bars and said rear wheels on said rear legs and having the other ends of said rear bars pivoted to one end of said L-shaped levers, pull bars pivoted at the lower ends to the other ends of said L-shaped levers and at the upper ends to said sliders, connector bars pivoted at one end to intermediate portions of said front legs and at the other ends to said rear legs between the mounting points of said rocker bars and said rear wheels on the rear legs, intersecting pipes pivoted to each other in intermediate portions and arranged in X-configuration, one of said pipes being pivoted at the upper end to the slider on one side of said baby carriage and at the lower end to a lower portion of the rear leg on the other side of said baby carriage and the other of said pipes being pivoted at the upper end to a lower portion of said rear leg on the other side of said baby carriage and at the lower end to the slider on said one side of the baby carriage and a pusher bar having a folding manipulation member and foldable in both the fore-and-aft and widthwise directions.
Claim 3
Dependent Claim
29 words
The baby carriage as set forth in claim 1, further including a reclining device the tilting angle of which is adjustable by rotating manipulation rod means to one position.
Claim 4
Dependent Claim
45 words
The baby carriage as set forth in claim 2, further including a hood having at least one framework comprising a central frame and lower and upper frames, said baby carriage being capable of being folded and unfolded without removing said hood from the baby carriage.
Claim 5
Dependent Claim
74 words
The baby carriage as set forth in claim 3, in which said pusher bar comprises lower bar members attached to said rear bars, L-shaped upper bar members rotatable relative to said lower bar members and operation means, and operation means having operation members connected between said L-shaped upper bar members, actuation members, a spring and a spring pusher member whereby when said operation member is operated said spring locks or closes said operation means.
Claim 6
Dependent Claim
74 words
The baby carriage as set forth in claim 2 in which said pusher bar comprises lower bar members attached to said rear bars, L-shaped upper bar members rotatable relative to said lower bar members and operation means, and operation means having operation members connected between said L-shaped upper bar members, actuation members, a spring and a spring pusher member whereby when said operation member is operated said spring locks or closes said operation means
Claim 7
Dependent Claim
45 words
The baby carriage as set forth in claim 1, further including a hood having at least one framework comprising a central frame and lower and upper frames, said baby carriage being capable of being folded and unfolded without removing said hood from the baby carriage.
Claim 8
Dependent Claim
73 words
The baby carriage as set forth in claim 6 in which said pusher bar comprises lower members attached to said rear bars, L-shaped upper bar members rotatable relative to said loer bar members and operation means, and operation means having operation members connected between said L-shaped upper bar members, actuation members, a spring and a spring pusher member whereby when said operation member is operated said spring locks or closes said operation means.
Claim 9
Dependent Claim
74 words
The baby carriage as set forth in claim 1, in which said pusher bar comprises lower bar members attached to said rear bars, L-shaped upper bar members rotatable relative to said lower bar members and operation means, said operation means having operation members connected between said L-shaped upper bar members, actuation members, a spring and a spring pusher member whereby when said operation member is operated said spring locks or closes said operation means.
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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) | 1988-03-25 | 1988-09-24 | 1989-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-03-25 | 1992-09-24 | 1993-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-03-25 | 1996-09-24 | 1997-03-26 | $7700.00 | Window Closed / Lapsed |