Patent US1309966A successfully refreshed from Google Patents.
Patent US2839398A successfully refreshed from Google Patents.
Patent US2276316A successfully refreshed from Google Patents.
← Back to Patent Explorer
US5192091A Expired / Lapsed US ⏱️ 0.0 years remaining

Folding toy baby cart

Assignee: Individual
•
Filing: 1992-04-09
•
Granted: 1993-03-09
•
Expires: 2012-04-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A folding toy baby cart comprising a folding frame having two handle rods, two front wheel rods, two rear wheel rods, two side rods, two center-pivoted bottom rods, two center-pivoted back rods, two end-pivoted connecting plates, two connections, two front wheel assemblies, two rear wheel assemblies, and a plurality of bolts to connecting the parts together. All of the parts of the folding frame assembly are made from an impact resistant acrylonitrile-butadiene-styrene or polypropylene. The handle rods, and the front and rear wheel tubes have each unitary U-shaped and/or L-shaped connections for connecting the corresponding parts. The front and rear wheel assemblies each include two side-matched wheels.

Inventors

  • 👤 Kun-Hei Liu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 08:30
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B2205/00; B62B2205/02; B62B7/064

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 482 words
A folding toy baby cart which comprises of a canvass stretched on a folding frame assembly, said folding frame assembly comprised of a pair of handle rods, a pair of front wheel rods respectively having a top connected by a first U-shaped connection and a first fastening bolt to said handle rods and a bottom holding a front wheel assembly, a pair of rear wheel rods respectively having a top connected to said handle rods by a second U-shaped connection and a second fastening bolt and a bottom holding a rear wheel assembly, a pair of side rods respectively connecting said front wheel rods and said rear wheel rods by third fastening bolts, two bottom rods pivoted together at respective centers thereof by a fourth fastening bolt and crossedly connecting between said front wheel rods and said rear wheel rods by first L-shaped connections and fifth fastening bolts, two back rods pivoted together at respective centers thereof by a sixth fastening bolt and crossedly connecting said handle rods by second L-shaped connections and seventh fastening bolts and said rear wheel rods by eighth fastening bolts, two connecting plates with one end thereof foldably connected to each other by a ninth fastening bolt and an opposite end thereof respectively connected to said back rods by a tenth fastening bolt, two connections with one end thereof respectively connected to said connecting plates and said back rods by eleventh fastening bolts and an opposite end thereof respectively connected to said side rods by twelfth fastening bolts, wherein said handle rods; said front wheel rods; said rear wheel rods; said side rods; said bottom rods; said back rods; said connecting plates; said two connections; said first and second U-shaped connections; said first and second L-shaped connections; said first, second, third, fourth, fifth, sixth, seventh, eight, ninth, tenth, eleventh and twelfth fastening bolts are made of impact resistant plastic material; said first, second, third, fourth, fifth, sixth, seventh, eight, ninth, tenth and eleventh and twelfth fastening bolts having a shape of a cylindrical rod with heads at each end thereof with a larger diameter than said cylindrical rod, one of said heads having a cone shape with a pointed end thereof facing outward relative to said cylindrical rod, and said first U-shaped connections are respectively integrally formed with said front wheel rod, said second U-shaped connections are respectively integrally formed with said handle rod, said first L-shaped connections are respectively integrally formed with said front wheel rods and said rear wheel rods, said first L-shaped connections respectively surround said front wheel rods and said front wheel rods and have an extended tab with a hole for receiving said fifth fastening bolts, and said second L-shaped connections are respectively integrally formed with said handle rods, said second L-shaped connections respectively surround said handle rods and have an extended tab with a hole for receiving said seventh fastening bolts.
Claim 2
Dependent Claim 482 words
A folding toy baby cart which comprises of a canvass stretched on a folding frame assembly, said folding frame assembly comprised of a pair of handle rods, a pair of front wheel rods respectively having a top connected by a first U-shaped connection and a first fastening bolt to said handle rods and a bottom holding a front wheel assembly, a pair of rear wheel rods respectively having a top connected to said handle rods by a second U-shaped connection and a second fastening bolt and a bottom holding a rear wheel assembly, a pair of side rods respectively connecting said front wheel rods and said rear wheel rods by third fastening bolts, two bottom rods pivoted together at respective centers thereof by a fourth fastening bolt and crossedly connecting between said front wheel rods and said rear wheel rods by first L-shaped connections and fifth fastening bolts, two back rods pivoted together at respective centers thereof by a sixth fastening bolt and crossedly connecting said handle rods by second L-shaped connections and seventh fastening bolts and said rear wheel rods by eighth fastening bolts, two connecting plates with one end thereof foldably connected to each other by a ninth fastening bolt and an opposite end thereof respectively connected to said back rods by a tenth fastening bolt, two connections with one end thereof respectively connected to said connecting plates and said back rods by eleventh fastening bolts and an opposite end thereof respectively connected to said side rods by twelfth fastening bolts, wherein said handle rods; said front wheel rods; said rear wheel rods; said side rods; said bottom rods; said back rods; said connecting plates; said two connections; said first and second U-shaped connections; said first and second L-shaped connections; said first, second, third, fourth, fifth, sixth, seventh, eight, ninth, tenth, eleventh and twelfth fastening bolts are made of impact resistant plastic material; said first, second, third, fourth, fifth, sixth, seventh, eight, ninth, tenth and eleventh and twelfth fastening bolts having a shape of a cylindrical rod with heads at each end thereof with a larger diameter than said cylindrical rod, one of said heads having a cone shape with a pointed end thereof facing outward relative to said cylindrical rod, and said first U-shaped connections are respectively integrally formed with said front wheel rod, said second U-shaped connections are respectively integrally formed with said handle rod, said first L-shaped connections are respectively integrally formed with said front wheel rods and said rear wheel rods, said first L-shaped connections respectively surround said front wheel rods and said front wheel rods and have an extended tab with a hole for receiving said fifth fastening bolts, and said second L-shaped connections are respectively integrally formed with said handle rods, said second L-shaped connections respectively surround said handle rods and have an extended tab with a hole for receiving said seventh fastening bolts.
Claim 3
Dependent Claim 17 words
The folding toy baby cart of claim 1, wherein said impact resistant material is impact resistant acrylonitrile-butadiene-styrene.
Claim 4
Dependent Claim 17 words
The folding toy baby cart of claim 1, wherein said impact resistant material is impact resistant polypropylene.
Claim 5
Dependent Claim 54 words
The folding toy baby cart of claim 1, wherein said front and rear wheel assemblies each have a first wheel matched to a second wheel, said first wheel having a center bolt passing through a hole on a respective front or rear wheel rod and inserted into an axle hole in said second wheel.

References Cited (Backward Citations)

FR1507446A Cited
US3917302A Cited
US4062555A Cited
US4108468A Cited
US4157839A Cited
US4457535A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-03-08 1996-09-07 1997-03-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-03-08 2000-09-07 2001-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-03-08 2004-09-07 2005-03-09 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag