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US 4,998,023 AGranted
Portable utility cart
AssigneeLakeside Manufacturing, Inc.
InventorKeith D. Kitts
Life of this patent
Estimating the term…
Abstract
A portable utility cart having a number of blow molded shelf members, supports on corner post members, wheel connector members and wheel members. A slip sleeve and bayonet hook assembly interconnect the various pieces thereby making the assembly of the cart simple and expedient. The portable utility cart has no small loose pieces which can be lost or misplaced during shipment or assembly. The assembly of the cart, therefore, requires no tools.
Claims16
A portable utility cart comprising:
- a plurality of blow molded shelf members having a plurality of corners, said shelf members having openings proximate to each of their corners;
- a plurality of corner post members arranged between said shelf members;
- a plurality of wheel connector members each attached to a first end of a respective one of said corner post members;
- a plurality of wheel members each attached to a respective one of said wheel connector members so as to allow rolling of said cart;
- a plurality of post cap members each attached to a respective one of said corner post members at a second end thereof;
- said corner post members having connecting means for attachment to at least one of a group comprising a second one of said corner post members, said wheel connector members, said post cap members and said blow molded shelf members;
- said connecting means comprising a slip sleeve at said first end of said corner post members and a tapered arm at said second end of said corner post members and sized for telescopic interconnection with at least one of said group;
- and said connecting means further including slotted openings oppositely disposed on two sides of said slip sleeves of said first end of said corner post members and two pressure sensitive bayonet hooks oppositely disposed and integral with two corresponding sides of said tapered arm of said second end of said post members whereby said second ends of said post members can be inserted into said first ends of another of said corner post members for telescopic interconnection therebetween so that said pressure sensitive bayonet hooks latch into said slotted openings of said first ends of said corner post members, thereby creating a positive connection therebetween;
- and
- said openings in said shelf members being sized for reception of said slip sleeves and said tapered arms so as to provide for swift and easy assembly of said portable utility cart.
7 more elements
A portable utility cart comprising:
- a plurality of blow molded shelf corners having a plurality of corners, said shelf members having openings proximate to each of their corners, the bottom of at least one of said shelf members comprising a series of alternating arches and cavities and wherein rows of dimples form a grid type pattern within said cavities and said dimples come in contact with an undersurface of a topside of said shelf member, said alternating arches, cavities and dimples therein providing increased support strength and structural integrity to said shelf members, said shelf members having openings proximate to each of their corners;
- a plurality of corner post members arranged between said shelf members;
- a plurality of wheel connector members each attached to a first end of a respective one of said corner post members;
- a plurality of wheel members each attached to a respective one of said wheel connector members so as to allow rolling of said cart;
- a plurality of post cap members each attached to a respective one of said corner post members at a second end thereof;
- said corner post members having connecting means for attachment to at least one of a group comprising a second one of said corner post members, said wheel connector members, said post cap members and said blow molded shelf members;
- said connecting means comprising a slip sleeve at said first end of said corner post members and a tapered arm at said second end of said corner post members and sized for telescopic interconnection with at least one of said group and further including means for supporting said shelf members on said cart;
- and
- said openings in said shelf members being sized for reception of said slip sleeves and said tapered arms so as to provide for swift and easy assembly of said portable utility cart.
6 more elements
Dependencies are inferred from the claim text.