US5263727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable luggage carrier
Assignee: Individual
•
Filing: 1992-11-19
•
Granted: 1993-11-23
•
Expires: 2012-11-19
Abstract
Abstract A collapsible luggage cart which can be stored in a frame container with a spring biased door such that when the door is released spring biased wheels open the door and move to the extended position where they clear the door which then moves to the closed position and locks the wheels in the extended positions. A U-shaped telescoping handle is provided and a pivotal luggage shelf attaches to the frame.
Inventors
- 👤 Jeffrey M. Libit
- 👤 Sidney Libit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:52
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/12; B62B1/125; B62B2202/00; B62B2202/24; B62B2205/00; B62B2205/12; B62B2205/121
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
186 words
A collapsible luggage cart comprising: a container frame member with an upper wall, a lower wall, and side walls, a U-shaped handle having first and second legs with lower portions extending through said upper wall into opposite end portions of said frame member and being attached thereto, first and second wheel brackets pivotally connected to said lower portions within said opposite end portions, first and second wheels supported by said first and second wheel brackets, and a cover member having a front portion extending between said opposite end portions and a top portion overlapping said upper wall, said top portion having a pair of openings through which said legs extend, wherein the cover member is slidably mounted on the handle member and is movable upwardly relative to the frame member to permit the wheels to pivot between a stored position, in which the wheels are located in the frame member under the front portion of the cover member, and an extended position in which the wheels extend from the frame member and the front portion of the cover member extends between the brackets and the wheels.
Claim 2
Dependent Claim
186 words
A collapsible luggage cart comprising: a container frame member with an upper wall, a lower wall, and side walls, a U-shaped handle having first and second legs with lower portions extending through said upper wall into opposite end portions of said frame member and being attached thereto, first and second wheel brackets pivotally connected to said lower portions within said opposite end portions, first and second wheels supported by said first and second wheel brackets, and a cover member having a front portion extending between said opposite end portions and a top portion overlapping said upper wall, said top portion having a pair of openings through which said legs extend, wherein the cover member is slidably mounted on the handle member and is movable upwardly relative to the frame member to permit the wheels to pivot between a stored position, in which the wheels are located in the frame member under the front portion of the cover member, and an extended position in which the wheels extend from the frame member and the front portion of the cover member extends between the brackets and the wheels.
Claim 3
Dependent Claim
30 words
A collapsible luggage cart according to claim 1 including first and second spring biasing means attached to said first and second wheel brackets to bias them to the open position.
Claim 4
Dependent Claim
48 words
A collapsible luggage cart according to claim 2 wherein said first spring biasing means is a first coiled spring which fits about said first leg of said handle and said second spring biasing means is a second coiled spring which fits about said second leg of said handle.
Claim 5
Dependent Claim
43 words
A collapsible luggage cart according to claim 2 wherein said first and second legs of said U-shaped handle are formed of a plurality of sections which are telescopically connected together and locking means for locking said plurality of sections in the extended position.
Claim 6
Dependent Claim
30 words
A collapsible luggage cart according to claim 4 wherein said locking means comprises spring biased pins which are receivable in holes of said plurality of said sections to lock them.
Claim 7
Dependent Claim
42 words
A collapsible luggage cart according to claim 5 including a collar moveably mounted on at least one of said sections and formed with a tapered end engageable with the ends of said spring biased pins to depress them to unlock said sections.
Claim 8
Dependent Claim
45 words
A collapsible luggage cart according to claim 5 wherein said holes are formed as curved slots such that if adjacent sections of the handle are rotated relative to each other the pins are depressed so that the sections are unlocked and can be telescoped together.
Claim 9
Dependent Claim
22 words
A collapsible luggage cart according to claim 2 wherein said first and second wheels overlap each other when in the stored position.
References Cited (Backward Citations)
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US4315632A
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US4460189A
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US4506897A
Cited
US4761012A
Cited
US4845804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-11-22 | 1997-05-24 | 1997-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-22 | 2001-05-24 | 2001-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-22 | 2005-05-24 | 2005-11-23 | $7700.00 | Window Closed / Lapsed |