Patent US3871701A successfully refreshed from Google Patents.
US3871701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baby carriage
Assignee: Individual
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Filing: 1972-06-12
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Granted: 1975-03-18
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Expires: 1992-06-12
Abstract
Abstract A convertible baby carriage for accommodating a baby in the lying, sitting, kneeling and/or standing positions, having means to selectively increase the volume of a normally flat carriage body by raising its upper rim and/or lowering its bottom or part thereof at least at one body end which is preferably provided with coverable see-through portions.
Inventors
- 👤 Georg Gesslein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:47
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/12; B62B7/123; B62B9/00; B62B9/10; B62B9/102; B62B9/14
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
166 words
A convertible baby carriage for selective use as a flat perambulator or as a stroller, including a carriage body having walls and a bottom which latter can at least partly be lowered, comprising means for varying the overall height at least of one end of said carriage body, including a lowering unit arranged to be moved between the walls of said body, said lowering unit comprising side walls yieldingly connected to said carriage body a plane portion pivotally connected at the bottom of said carriage body for movement about a horizontal hinge, and an angled platform having a bottom portion and an inclined portion attached to said plane portion of said bottom by means of a pivot joint, whereby said angled platform is pivotable around said horizontal hinge between an upper position and a lower position, and a releasable detent for securing said inclined portion of said carriage body in said lower position, whereby said bottom portion remains substantially horizontal in said upper and lower positions.
Claim 2
Dependent Claim
166 words
A convertible baby carriage for selective use as a flat perambulator or as a stroller, including a carriage body having walls and a bottom which latter can at least partly be lowered, comprising means for varying the overall height at least of one end of said carriage body, including a lowering unit arranged to be moved between the walls of said body, said lowering unit comprising side walls yieldingly connected to said carriage body a plane portion pivotally connected at the bottom of said carriage body for movement about a horizontal hinge, and an angled platform having a bottom portion and an inclined portion attached to said plane portion of said bottom by means of a pivot joint, whereby said angled platform is pivotable around said horizontal hinge between an upper position and a lower position, and a releasable detent for securing said inclined portion of said carriage body in said lower position, whereby said bottom portion remains substantially horizontal in said upper and lower positions.
Claim 3
Dependent Claim
21 words
A convertible baby carriage according to claim 1 wherein said angled platform comprises a horizontal support and an upwardly inclined portion.
Claim 4
Dependent Claim
36 words
A convertible baby carriage according to claim 1, wherein said plane bottom portion comprises a base part extending from said pivot joint to said hinge and further comprises an outer part attached to said base part.
Claim 5
Dependent Claim
19 words
A convertible baby carriage according to claim 3, wherein said outer part is rigidly connected to said base part.
Claim 6
Dependent Claim
29 words
A convertible baby carriage according to claim 3, wherein said outer part is hingedly connected to said base portion and wherein means are provided for bracing said hinge connection.
Claim 7
Dependent Claim
19 words
A convertible baby carriage according to claim 5, wherein said hinge connection includes sleeve means enclosing said pivot joint.
Claim 8
Dependent Claim
56 words
A convertible baby carriage according to claim 3, wherein means are provided for attaching to said outer part a collapsible extension part which can be fastened to a stop so as to serve as a support for said plane bottom portion and which can be folded selectively in front of said outer part or behind it.
Claim 9
Dependent Claim
20 words
A convertible baby carriage according to claim 1, wherein said plane bottom portion is constructed of hingedly connected plate sections.
Claim 10
Dependent Claim
28 words
A convertible baby carriage according to claim 1, wherein said plane bottom portion or at least its outer part comprises a support frame carrying a taut backing web.
Claim 11
Dependent Claim
21 words
A convertible baby carriage according to claim 1, wherein means are provided for supporting said lowering means in its lowermost position.
Claim 12
Dependent Claim
45 words
A convertible baby carriage according to claim 1, wherein releasable locking means are provided for securing said bottom in its upper position such that by releasing said locking means said bottom can be lowered into its lower position where it is suspended by said walls.
Claim 13
Dependent Claim
42 words
A convertible baby carriage according to claim 11, wherein said releasable locking means comprise pivotable elements and wherein means are provided for securing said bottom in its lower position both in the directions of its plane and in the directions normal thereto.
Claim 14
Dependent Claim
21 words
The convertible baby carriage of claim 1, further comprising a detachable hood mounted for selectively covering portions of said carriage body.
Claim 15
Dependent Claim
27 words
The convertible baby carriage of claim 1, further comprising selectively movable bracket means mounted on said carriage body for holding said lowering unit in its upper position.
Claim 16
Dependent Claim
114 words
The convertible baby carriage of claim 14, wherein said side walls comprise plate sections hinged to the bottom of said carriage body, and wherein said bracket means are pivotally mounted to said carriage body to extend under said carriage body and further comprising actuator bar means pivotally connected to said bracket means for selectively holding said bracket means in upper and lower positions, whereby in its upper position said bracket means hold said plate sections horizontally and thus said lowering unit in its upper position, and whereby in its lower position said bracket means releases said plate sections to hinge downwardly and thereby to release said lowering unit for movement to its lower position.
Claim 17
Dependent Claim
69 words
The convertible baby carriage of claim 14, wherein said side walls comprise double walls, and said bracket means comprise U-shaped brackets having ends extending between the double walls at opposite sides of said body and a bottom extending beneath said carriage body to hold said lowering unit, and further comprising means in said double walls for holding said ends of said brackets at selected positions below said carriage body.
Claim 18
Dependent Claim
20 words
The convertible baby carriage of claim 1, wherein at least a portion of the walls of said body are transparent.
Claim 19
Dependent Claim
23 words
The convertible baby carriage of claim 17, wherein the portions of the walls of said carriage body adjacent said lowering unit are transparent.
Claim 20
Dependent Claim
40 words
The convertible baby carriage of claim 18, further comprising an opaque hood pivotally mounted to said carriage body at one eNd thereof to selectively cover said side walls of said lowering unit and the adjacent walls of said carriage body.
Claim 21
Dependent Claim
172 words
A convertible baby carriage for selective use as a flat perambulator or as a stroller, said baby carriage comprising a carriage body having side walls and a bottom, said bottom including a lowering unit comprised of an angled platform having a horizontal portion and an upwardly extending portion on one end thereof, and a plane bottom portion, one end of said plane bottom portion being pivotally connected to the other end of said horizontal portion, means pivotally mounting said plane portion to the bottom of said carriage about a horizontal axis spaced from said one end thereof, whereby said plane portion may be moved to a first horizontal position with said angled platform positioned within the side walls of said carriage, and a second inclined position with said angled platform extending below the side walls of said carriage, and a releasable detent positioned to hold the upper end of said upwardly extending portion of said angled platform to the bottom of said carriage in the inclined position of said plane bottom portion.
Claim 22
Dependent Claim
172 words
A convertible baby carriage for selective use as a flat perambulator or as a stroller, said baby carriage comprising a carriage body having side walls and a bottom, said bottom including a lowering unit comprised of an angled platform having a horizontal portion and an upwardly extending portion on one end thereof, and a plane bottom portion, one end of said plane bottom portion being pivotally connected to the other end of said horizontal portion, means pivotally mounting said plane portion to the bottom of said carriage about a horizontal axis spaced from said one end thereof, whereby said plane portion may be moved to a first horizontal position with said angled platform positioned within the side walls of said carriage, and a second inclined position with said angled platform extending below the side walls of said carriage, and a releasable detent positioned to hold the upper end of said upwardly extending portion of said angled platform to the bottom of said carriage in the inclined position of said plane bottom portion.
References Cited (Backward Citations)
US3466678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |