Patent US4293144A successfully refreshed from Google Patents.
US4293144A
Expired / Lapsed
US
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Protective handrail for folding baby carriage
Assignee: Manten Co Ltd
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Filing: 1980-03-04
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Granted: 1981-10-06
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Expires: 2000-03-04
Abstract
Abstract A folding baby carriage foldable into the shape of a walking stick is known. The folding baby carriage of this invention is provided with a folding protective frame or handrail to protect the baby from dropping out of the carriage.
Inventors
- 👤 Minoru Ida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:02
CPC Classifications
B; B62; B62B; B62B9/00; B62B9/24; B62B2205/00; B62B2205/02; B62B2205/06; B62B7/00; B62B7/04; B62B7/06; B62B7/064
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
173 words
A folding baby carriage or the like structure comprising a pair of side frames each having an upper bar and a lower bar pivoted to said upper bar and carrying a wheel at lower end thereof, a pair of leg members pivoted to said upper bar near the lower end thereof and carrying a wheel at lower end thereof, two X-shape coupling elements each having two intersecting members, said X-shape coupling elements each having their inner corresponding ends pivoted to said leg members near the lower end thereof and their outer end pivoted to said side frames, and a lockable toggle bar pivoted to and between said leg members for keeping said coupling elements extended, further comprising a protective means comprising a pair of first bars having their one end pivoted to said upper bars, a pair of second bars pivoted to the other end of the first bars, a coupling bar pivoted to and between said second bars, and a flexible tube for covering the protective means to protect the baby's finger.
Claim 2
Dependent Claim
173 words
A folding baby carriage or the like structure comprising a pair of side frames each having an upper bar and a lower bar pivoted to said upper bar and carrying a wheel at lower end thereof, a pair of leg members pivoted to said upper bar near the lower end thereof and carrying a wheel at lower end thereof, two X-shape coupling elements each having two intersecting members, said X-shape coupling elements each having their inner corresponding ends pivoted to said leg members near the lower end thereof and their outer end pivoted to said side frames, and a lockable toggle bar pivoted to and between said leg members for keeping said coupling elements extended, further comprising a protective means comprising a pair of first bars having their one end pivoted to said upper bars, a pair of second bars pivoted to the other end of the first bars, a coupling bar pivoted to and between said second bars, and a flexible tube for covering the protective means to protect the baby's finger.
Claim 3
Dependent Claim
44 words
The folding baby carriage or the like structure as claimed in claim 1 further comprising a pair of strut members each pivoted to the associated lower bar and the associated leg member, and seat means supported on said strut members and said upper bars.
Claim 4
Dependent Claim
29 words
The folding baby carriage or the like structure as claimed in claim 2 wherein said protective means is coupled to said seat means by means of a safety belt.
References Cited (Backward Citations)
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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) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |