US3735996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable luggage dolly
Assignee: Individual
•
Filing: 1972-02-15
•
Granted: 1973-05-29
•
Expires: 1992-02-15
Abstract
Abstract A portable wheeled vehicle for moving luggage such as suitcases, trunks and the like. The vehicle has a pair of elongate side support elements connected by a pair of flexible attaching straps which encircle the luggage. The side support elements each have a pair of wheels which are retractable into a protective wheel assembly housing.
Inventors
- 👤 V Rath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:01
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0083; B62B2202/00; B62B2202/24
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
184 words
A portable luggage dolly comprising: a. a pair of separate elongate side support elements, b. means for operatively connecting said side support elements in a luggage supporting position, said means constituting at least one strap slidably engaging and extending between said side support elements, said strap extending substantially above said side support elements for engagement about a piece of luggage supported on and between said side support elements, c. a pair of open-bottomed protective wheel assembly housings on each of said side support elements, d. a pair of guide channels in each of said protective wheel assembly housings, e. a wheel mounting plate carrying a wheel thereon mounted for vertical reciprocation in each of said pair of guide channels for movement between a lower working position wherein said wheel extends from said protective wheel assembly housing and an upper rest position wherein said wheel is retracted within said protective wheel assembly housing, and f. a pair of spring-biased slides on each of said sidE support elements engageable with said wheel mounting plates for locking said wheels in their extended working and retracted rest positions.
Claim 2
Dependent Claim
184 words
A portable luggage dolly comprising: a. a pair of separate elongate side support elements, b. means for operatively connecting said side support elements in a luggage supporting position, said means constituting at least one strap slidably engaging and extending between said side support elements, said strap extending substantially above said side support elements for engagement about a piece of luggage supported on and between said side support elements, c. a pair of open-bottomed protective wheel assembly housings on each of said side support elements, d. a pair of guide channels in each of said protective wheel assembly housings, e. a wheel mounting plate carrying a wheel thereon mounted for vertical reciprocation in each of said pair of guide channels for movement between a lower working position wherein said wheel extends from said protective wheel assembly housing and an upper rest position wherein said wheel is retracted within said protective wheel assembly housing, and f. a pair of spring-biased slides on each of said sidE support elements engageable with said wheel mounting plates for locking said wheels in their extended working and retracted rest positions.
Claim 3
Dependent Claim
20 words
The portable luggage dolly as specified in claim 1 having a protective sleeve encompassing each pair of said spring-biased slides.
Claim 4
Dependent Claim
47 words
The portable luggage dolly as specified in claim 1 wherein each of said side support elements is substantially Z-shaped in end profile, each of said side support elements having a substantially upright wall portion integrally connecting an inwardly turned bottom flange and an outwardly turned top flange.
Claim 5
Dependent Claim
27 words
The portable luggage dolly as specified in claim 3 wherein said attaching strap extends through openings in each of said bottom flanges, wall portions, and top flanges.
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |