Patent US4549748A successfully refreshed from Google Patents.
US4549748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportable and collapsable bag carrying cart
Assignee: Individual
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Filing: 1984-04-06
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Granted: 1985-10-29
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Expires: 2004-04-06
Abstract
Abstract A transportable and collapsable bag holding cart for use in collecting and conveying materials such as bedding, laundry or trash in a hotel, hospital or the like is presented. The cart is provided with a slidable cover assembly for easy opening and closing. Also, Velcro- type self-adhesive strips and bag retension safety bars are provided to prevent plastic and cloth bags from slipping under a load. Finally, the cart is foldable for easy storage and is self contained when folded or in use. Various attachments including a multi-cart connecting device and additional basket assemblies are also presented herein.
Inventors
- 👤 Thomas S. Haley, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:50
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/106; B62B3/02; B62B2205/00; B62B2205/06
Claims Analysis
Total Claims: 49
Claim 1
Independent Claim
144 words
A foldable bag holding cart comprising: first and second frame means, said first frame means pivotally connected to said second frame means, each of said first and second frame means having an inverted U-shape, said U-shape including two substantially vertical legs having a cross-piece member therebetween; collapsable base means pivotally attached to said first and second frame means; roller means connected to said first and second frame means whereby said cart is transportable; locking means whereby said cart is capable of being retained in a folded position; first and second bag retension bar means, said bar means being attached to said cross-piece members, each of said has retension bar means including two parallel straight portions interconnected at each end by a U-shape retaining member; slidable cover means, said cover means capable of being retained in at least an open position and a closed position.
Claim 2
Dependent Claim
144 words
A foldable bag holding cart comprising: first and second frame means, said first frame means pivotally connected to said second frame means, each of said first and second frame means having an inverted U-shape, said U-shape including two substantially vertical legs having a cross-piece member therebetween; collapsable base means pivotally attached to said first and second frame means; roller means connected to said first and second frame means whereby said cart is transportable; locking means whereby said cart is capable of being retained in a folded position; first and second bag retension bar means, said bar means being attached to said cross-piece members, each of said has retension bar means including two parallel straight portions interconnected at each end by a U-shape retaining member; slidable cover means, said cover means capable of being retained in at least an open position and a closed position.
Claim 3
Dependent Claim
18 words
The cart of claim 1 wherein said collapsable base means includes: a pair of pivotally connected grill portions.
Claim 4
Dependent Claim
11 words
The cart of claim 1 wherein said roller means comprises casters.
Claim 5
Dependent Claim
15 words
The cart of claim 1 wherein: said locking means is attached to said base means.
Claim 6
Dependent Claim
12 words
The cart of claim 4 wherein: said locking means is a hook.
Claim 7
Dependent Claim
36 words
The cart of claim 1 wherein at least one of said cross-piece members includes: at least one strip of Velcro-type fastener, said strip capable of mating with a corresponding strip of Velcro-type fastener on a bag.
Claim 8
Dependent Claim
16 words
The cart of claim 1 including: connecting means whereby two or more carts may be interconnected.
Claim 9
Dependent Claim
9 words
The cart of claim 1 including: basket attachment means.
Claim 10
Dependent Claim
42 words
The cart of claim 8 wherein said basket attachment means includes: at least one basket, said basket being connected to connecting bracket means; and end frame support means attached to said connecting bracket means, said end frame support means having roller means.
Claim 11
Dependent Claim
21 words
The cart of claim 9 including: support bar means whereby support is provided to the midsection of said basket attachment means.
Claim 12
Dependent Claim
53 words
The cart of claim 8 wherein said basket attachment means includes: plural baskets, said plural baskets being connected to connecting bracket means, said plural baskets being disposed over and vertically aligned with each other; and end frame support means attached to said connecting bracket means, said end frame support means having roller means.
Claim 13
Dependent Claim
153 words
A foldable bag holding cart comprising: first and second frame means, said first frame means pivotally connected to said second frame means, collapsable base means pivotally attached to said first and second frame means; roller means connected to said first and second frame means whereby said cart is transportable; locking means whereby said cart is capable of being retained in a folded position: first and second bag retension bar means, said bar means being attached to said first and second frame means; and slidable cover means, said cover means capable of being retained in at least an open position and a closed position, said slidable cover means including: lid means having at least two opposite depending side walls; pivoting shaft means rotatably attached between said side walls; and a pair of hinge means rigidly attached to said shaft, said hinge means being capable of sliding along at least one of said frame means.
Claim 14
Dependent Claim
153 words
A foldable bag holding cart comprising: first and second frame means, said first frame means pivotally connected to said second frame means, collapsable base means pivotally attached to said first and second frame means; roller means connected to said first and second frame means whereby said cart is transportable; locking means whereby said cart is capable of being retained in a folded position: first and second bag retension bar means, said bar means being attached to said first and second frame means; and slidable cover means, said cover means capable of being retained in at least an open position and a closed position, said slidable cover means including: lid means having at least two opposite depending side walls; pivoting shaft means rotatably attached between said side walls; and a pair of hinge means rigidly attached to said shaft, said hinge means being capable of sliding along at least one of said frame means.
Claim 15
Dependent Claim
29 words
The cart of claim 12 including: support stop means being attached to at least one of said frame means thereby allowing said lid means to retain an open position.
Claim 16
Dependent Claim
20 words
The cart of claim 13 wherein: said hinge means are capable of swinging over said support stop means during folding.
Claim 17
Dependent Claim
12 words
The cart of claim 13 wherein: said stop means are spherically shaped.
Claim 18
Dependent Claim
30 words
The cart of claim 12 wherein: each of said first and second frame means has an inverted U-shape, said U-shape including two substantially vertical legs having a cross-piece member therebetween.
Claim 19
Dependent Claim
23 words
The cart of claim 16 wherein: said first and second bag retension bar means are rigidly connected to each of said cross-piece members.
Claim 20
Dependent Claim
27 words
The cart of claim 17 wherein each of said bag retension bar means includes: two parallel straight portions interconnected at each end by a U-shape retaining member.
Claim 21
Dependent Claim
36 words
The cart of claim 16 wherein at least one of said cross-piece members includes: at least one strip of Velcro-type fastener, said strip capable of mating with a corresponding strip of Velcro-type fastener on a bag.
Claim 22
Dependent Claim
18 words
The cart of claim 12 wherein said collapsable base means includes: a pair of pivotally connected grill portions.
Claim 23
Dependent Claim
11 words
The cart of claim 12 wherein the roller means comprises casters.
Claim 24
Dependent Claim
15 words
The cart of claim 12 wherein: said locking means is attached to said base means.
Claim 25
Dependent Claim
12 words
The cart of claim 22 wherein: said locking means is a hook.
Claim 26
Dependent Claim
16 words
The cart of claim 12 including: connecting means whereby two or more carts may be interconnected.
Claim 27
Dependent Claim
41 words
The cart of claim 24 wherein said connecting means comprises: a pair of upper connecting bracket means; a pair of lower connecting bracket means; a pair of substantially rectangular rod pieces interconnecting said upper bracket means to said lower bracket means.
Claim 28
Dependent Claim
9 words
The cart of claim 12 including: basket attachment means.
Claim 29
Dependent Claim
42 words
The cart of claim 26 wherein said basket attachment means includes: at least one basket, said basket being connected to connecting bracket means; and end frame support means attached to said connecting bracket means, said end frame support means having roller means.
Claim 30
Dependent Claim
21 words
The cart of claim 24 including: support bar means whereby support is provided to the midsection of said basket attachment means.
Claim 31
Dependent Claim
53 words
The cart of claim 26 wherein said basket attachment means includes: plural baskets, said plural baskets being connected to connecting bracket means, said plural baskets being disposed over and vertically aligned with each other; and end frame support means attached to said connecting bracket means, said end frame support means having roller means.
Claim 32
Dependent Claim
149 words
A foldable bag holding cart comprising: first and second frame means, said first frame means pivotally connected to said second frame means; collapsable base means pivotally attached to said first and second frame means; roller means connected to said first and second frame means whereby said cart is transportable; locking means whereby said cart is capable of being retained in a folded position; first and second bag retension bar means, said bar means being attached to said first and second frame means; slidable cover means, said cover means capable of being retained in at least an open position and a closed position; and connecting means whereby two or more carts may be interconnected, said connecting means including: a pair of upper connecting brackets means; a pair of lower connecting bracket means; and a pair of substantially rectangular rod pieces interconnecting said upper bracket means to said lower bracket means.
Claim 33
Dependent Claim
149 words
A foldable bag holding cart comprising: first and second frame means, said first frame means pivotally connected to said second frame means; collapsable base means pivotally attached to said first and second frame means; roller means connected to said first and second frame means whereby said cart is transportable; locking means whereby said cart is capable of being retained in a folded position; first and second bag retension bar means, said bar means being attached to said first and second frame means; slidable cover means, said cover means capable of being retained in at least an open position and a closed position; and connecting means whereby two or more carts may be interconnected, said connecting means including: a pair of upper connecting brackets means; a pair of lower connecting bracket means; and a pair of substantially rectangular rod pieces interconnecting said upper bracket means to said lower bracket means.
Claim 34
Dependent Claim
30 words
The cart of claim 30 wherein: each of said first and second frame means has an inverted U-shape, said U-shape including two substantially vertical legs having a cross-piece member therebetween.
Claim 35
Dependent Claim
23 words
The cart of claim 31 wherein: said first and second bag retension bar means are rigidly connected to each of said cross-piece members.
Claim 36
Dependent Claim
27 words
The cart of claim 32 wherein each of said bag retension bar means includes: two parallel straight portions interconnected at each end by a U-shape retaining member.
Claim 37
Dependent Claim
36 words
The cart of claim 31 wherein at least one of said cross-piece members includes: at least one strip of Velcro-type fastener, said strip capable of mating with a corresponding strip of Velcro-type fastener on a bag.
Claim 38
Dependent Claim
18 words
The cart of claim 30 wherein said collapsable base means includes: a pair of pivotally connected grill portions.
Claim 39
Dependent Claim
11 words
The cart of claim 30 wherein said roller means comprises casters.
Claim 40
Dependent Claim
15 words
The cart of claim 30 wherein: said locking means is attached to said base means.
Claim 41
Dependent Claim
12 words
The cart of claim 37 wherein: said locking means is a hook.
Claim 42
Dependent Claim
55 words
The cart of claim 30 wherein said slidable cover means includes: lid means having at least two opposite depending side walls; pivoting shaft means rotatably attached between said side walls; a pair of hinge means rigidly attached to said shaft, said hinge means being capable of sliding along at least one of said frame means.
Claim 43
Dependent Claim
29 words
The cart of claim 39 including: support stop means being attached to at least one of said frame means thereby allowing said lid means to retain an open position.
Claim 44
Dependent Claim
20 words
The cart of claim 40 wherein: said hinge means are capable of swinging over said support stop means during folding.
Claim 45
Dependent Claim
12 words
The cart of claim 40 wherein: said stop means are spherically shaped.
Claim 46
Dependent Claim
9 words
The cart of claim 30 including: basket attachment means.
Claim 47
Dependent Claim
42 words
The cart of claim 43 wherein said basket attachment means includes: at least one basket, said basket being connected to connecting bracket means; and end frame support means attached to said connecting bracket means, said end frame support means having roller means.
Claim 48
Dependent Claim
21 words
The cart of claim 44 including: support bar means whereby support is provided to the midsection of said basket attachment means.
Claim 49
Dependent Claim
53 words
The cart of claim 43 wherein said basket attachment means includes: plural baskets, said plural baskets being connected to connecting bracket means, said plural baskets being disposed over and vertically aligned with each other; and end frame support means attached to said connecting bracket means, said end frame support means having roller means.
References Cited (Backward Citations)
US3000645A
Cited
US2967716A
Cited
US3149724A
Cited
US3443971A
Cited
US3633932A
Cited
US3999639A
Cited
US4281814A
Cited
US4318520A
Cited
US4339141A
Cited
US4418835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-28 | 1989-04-29 | 1989-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-28 | 1993-04-29 | 1993-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-28 | 1997-04-29 | 1997-10-29 | $7700.00 | Window Closed / Lapsed |