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US 6,607,199 B2Granted
Tray and dolly assembly
AssigneeRehrig Pacific Company
InventorRobert V. Gruber
Life of this patent
Estimating the term…
Abstract
A dolly and a tray and dolly assembly are provided. The dolly has a floor with upper and lower surfaces and with one or more features such that when the tray floor is received on the dolly floor, the feature interlocks the tray with the dolly. One feature is a plurality of protruding members extending upwardly from the dolly floor upper surface into openings in the tray floor to interlock the tray with the dolly. Another features is the presence of dolly side wall locking portions configured to abut and mate with corresponding tray side wall bottom locking portions on the tray to interlock the dolly with the tray.
Claims26
A tray and dolly assembly comprising:
- a dolly having a floor with upper and lower surfaces and with a plurality of diamond-shaped protruding members extending upwardly from the upper surface;
- and
- a tray having a floor with upper and lower surfaces, the tray floor comprising a lattice structure defining a plurality of openings, the tray having a pair of opposed side walls wherein when the tray floor is received on the dolly floor, the plurality of protruding members extends into the plurality of openings through the tray floor but does not extend beyond the tray floor upper surface to interlock the tray with the dolly.
A tray and dolly assembly comprising:
- a dolly having a floor with upper and lower surfaces, and a pair of opposed side walls wherein each side wall has a locking portion;
- and
- a tray having a floor with upper and lower surfaces, the tray having a pair of opposed side walls wherein each side wall has a bottom locking portion and a top locking portion and wherein each tray side wall top locking portion is configured to abut and mate with a corresponding tray side wall bottom locking portion of a next tray to allow a stack of trays to be placed on the dolly with adjacent trays interlocked with each other, each dolly side wall locking portion having a plurality of inwardly extending locking portions including a middle trapezoidal inwardly extending locking portion, wherein each dolly side wall locking portion is configured to abut and mate with a corresponding tray side wall bottom locking portion on the tray to interlock the dolly with the tray.
A tray and dolly assembly comprising:
- a dolly having a floor with upper and lower surfaces and with a plurality of protruding members extending upwardly from the upper surface, and a pair of opposed side walls wherein each side wall has a locking portion;
- and
- a tray having a floor with upper and lower surfaces and with a plurality of openings, the tray having a pair of opposed side walls wherein each side wall has a bottom locking portion and a top locking portion,
- wherein each dolly side wall locking portion has a plurality of inwardly extending locking portions and is configured to abut and mate with a corresponding tray side wall bottom locking portion on the tray to interlock the dolly with the tray such that the plurality of protruding members extends into the plurality of openings, each dolly side wall locking portion having a middle trapezoidal inwardly extending locking portion and a pair of outside triangular inwardly extending locking portions, and wherein each tray side wall top locking portion is configured to abut and mate with a corresponding tray side wall bottom locking portion of a next tray to allow a stack of trays to be placed on the dolly with adjacent trays interlocked with each other.
1 more element
A dolly assembly for receiving a tray having a tray floor, the dolly assembly comprising:
- a dolly having a rectangular floor with upper and lower surfaces, the dolly floor defining a central opening between a first portion of the upper surface and a second portion of the upper surface, the dolly having a plurality of protruding members extending upwardly from each portion of the upper surface and arranged in at least two transverse linear arrays on each of the first portion and the second portion, wherein the plurality of protruding members is adapted to extend into a plurality of openings in the tray floor when the tray floor is received on the dolly floor to interlock the tray with the dolly.
A tray and dolly assembly comprising:
- a dolly having a floor with upper and lower surfaces and with a plurality of protruding members extending upwardly from the upper surface;
- and
- a tray having a floor with upper and lower surfaces and with a plurality of openings and a plurality of cross frame members each defined between the openings, the tray having a pair of opposed side walls wherein when the tray floor is received on the dolly floor, the plurality of protruding members extends into the plurality of openings to interlock the tray with the dolly, at least one of the openings positioned between the protruding members when the tray floor is received on the dolly floor and wherein at least two cross frame members are received between an adjacent pair of the plurality of protruding members when the tray floor is received on the dolly floor.
Dependencies are inferred from the claim text.