US3799567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible baby cart
Assignee: TOKYO BABY Inc
•
Filing: 1972-06-21
•
Granted: 1974-03-26
•
Expires: 1992-06-21
Abstract
Abstract A collapsible baby cart has a substantially U-shaped tubular hammock supporting frame defining a pair of substantially horizontal arms, a pair of front legs each extending donwwardly from the forward end of a respective arm and a back rest extending upwardly from the rear ends of the arms. A substantially U-shaped rear leg member is pivotally secured to the arms of the frame to project rearwardly and downwardly therefrom, and a U-shaped control handle is pivotally secured to the back rest to project upwardly substantially parallel thereto and therebeyond. Links connect the control handle to the rear leg member, and releasable latch means connect the control handle to the back rest to retain the baby cart in erected position. The lower ends of the legs rotatably support wheels, and a wire basket is rockably mounted on the rear leg member and connected by links to the arms, the basket being permanently connected to the baby cart.
Inventors
- 👤 T Toda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:15
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B9/00; B62B9/26; B62B2205/00; B62B2205/20; B62B2205/22
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
172 words
A collapsible baby cart comprising, in combination, a hammock support frame including a pair of laterally spaced members each having a horizontal arm portion, a front leg extending downwardly from the forward end of said arm portion, and a back rest portion extending upwardly from the rear of said arm portion; a rear leg member including a pair of laterally spaced rear legs each pivoted to a respective arm portion to project rearwardly and downwardly therefrom; a control handle including a pair of laterally spaced handle arms each pivotally secured to a respective back rest portion and projecting upwardly substantially parallel thereto and therebeyond; respective links each articulatedly interconnecting one of said handle arms and a respective one of said rear legs, and releasable latch means connecting each handle arm to the adjacent back rest portion to retain the baby cart in erected position; said baby cart being collapsible by releasing said latch means, and swinging said control handle rearwardly and downwardly to juxtapose said rear leg member to said front legs.
Claim 2
Dependent Claim
172 words
A collapsible baby cart comprising, in combination, a hammock support frame including a pair of laterally spaced members each having a horizontal arm portion, a front leg extending downwardly from the forward end of said arm portion, and a back rest portion extending upwardly from the rear of said arm portion; a rear leg member including a pair of laterally spaced rear legs each pivoted to a respective arm portion to project rearwardly and downwardly therefrom; a control handle including a pair of laterally spaced handle arms each pivotally secured to a respective back rest portion and projecting upwardly substantially parallel thereto and therebeyond; respective links each articulatedly interconnecting one of said handle arms and a respective one of said rear legs, and releasable latch means connecting each handle arm to the adjacent back rest portion to retain the baby cart in erected position; said baby cart being collapsible by releasing said latch means, and swinging said control handle rearwardly and downwardly to juxtapose said rear leg member to said front legs.
Claim 3
Dependent Claim
46 words
A collapsible baby cart, as claimed in claim 1, in which each of said hammock support frame, said rear leg member and said control handle is a U-shaped tubular element including a pair of elongated portions extending from opposite ends of a transverse substantially rectilinear bight.
Claim 4
Dependent Claim
45 words
A collapsible baby cart, as claimed in claim 2, in which said releasable latch means comprises hook members secured to each back rest portion and a latching member mounted for sliding movement along said control handle and having latch means engageable in said hook members.
Claim 5
Dependent Claim
27 words
A collapsible baby cart, as claimed in claim 3, including means biasing said latching member in a direction to engage its latch means in said hook members.
Claim 6
Dependent Claim
101 words
A collapsible baby cart, as claimed in claim 4, in which said latching member is a substantially U-shaped element including a bight extending transversely between the arms of said control handle and a pair of legs each extending downwardly parallel to a respective leg of said control handle; guide means on each arm of said control handle slidably receiving the associated leg of said latching member; the legs of said control handle being formed with relatively elongated slots; said latch means comprising outwardly bent ends of the legs of said latching member extending through said slots to engage said hook members.
Claim 7
Dependent Claim
40 words
A collapsible baby cart, as claimed in claim 5, in which said hook members comprise plates each secured to a respective back rest portion and each formed with an upwardly opening notch arranged to have said bent ends engaged therein.
Claim 8
Dependent Claim
37 words
A collapsible baby cart, as claimed in claim 2, in which the bight of said rear leg member interconnects the bottom ends of said rear legs; and a basket oscillatably mounted, intermediate its ends, on said bight.
Claim 9
Dependent Claim
33 words
A collapsible baby cart, as claimed in claim 7, including a pair of links articulatedly interconnecting said basket and said horizontal arm portions to rock said basket when said baby cart is folded.
Claim 10
Dependent Claim
40 words
A collapsible baby cart, as claimed in claim 2, including arm rests having portions extending along said back rest portions and pivotally secured thereto, and including horizontal portions extending along said horizontal arms; and protective means covering said horizontal portions.
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |