US20060162624A1 - Pallet - Google Patents
Pallet Download PDFInfo
- Publication number
- US20060162624A1 US20060162624A1 US11/044,741 US4474105A US2006162624A1 US 20060162624 A1 US20060162624 A1 US 20060162624A1 US 4474105 A US4474105 A US 4474105A US 2006162624 A1 US2006162624 A1 US 2006162624A1
- Authority
- US
- United States
- Prior art keywords
- pallet
- foot
- feet
- interlocking features
- deck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
- B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
- B65D19/003—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces
- B65D19/0032—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element
- B65D19/0036—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming discontinuous or non-planar contact surfaces
- B65D19/004—Rigid pallets without side walls the load supporting surface being made of a single element forming discontinuous or non-planar contact surfaces the base surface being made of a single element forming discontinuous or non-planar contact surfaces and each contact surface having a discrete foot-like shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/0004—Rigid pallets without side walls
- B65D19/0006—Rigid pallets without side walls the load supporting surface being made of a single element
- B65D19/0008—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface
- B65D19/001—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element
- B65D19/0014—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces
- B65D19/0018—Rigid pallets without side walls the load supporting surface being made of a single element forming a continuous plane contact surface the base surface being made of a single element forming discontinuous or non-planar contact surfaces and each contact surface having a discrete foot-like shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00014—Materials for the load supporting surface
- B65D2519/00034—Plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00049—Materials for the base surface
- B65D2519/00069—Plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00263—Overall construction of the pallet
- B65D2519/00268—Overall construction of the pallet made of one piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00283—Overall construction of the load supporting surface
- B65D2519/00288—Overall construction of the load supporting surface made of one piece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00283—Overall construction of the load supporting surface
- B65D2519/00308—Overall construction of the load supporting surface grid type, e.g. perforated plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00313—Overall construction of the base surface
- B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
- B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base contact surface having a discrete foot-like shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00398—Overall construction reinforcements
- B65D2519/00402—Integral, e.g. ribs
- B65D2519/00412—Integral, e.g. ribs on the base surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00741—Dimensional aspects of the pallet
- B65D2519/00771—Dimensional aspects of the pallet smaller than "standard"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00776—Accessories for manipulating the pallet
- B65D2519/00786—Accessories for manipulating the pallet for lifting, e.g. hooks, loops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00776—Accessories for manipulating the pallet
- B65D2519/00786—Accessories for manipulating the pallet for lifting, e.g. hooks, loops
- B65D2519/00791—Accessories for manipulating the pallet for lifting, e.g. hooks, loops handles, handgrip holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00776—Accessories for manipulating the pallet
- B65D2519/00796—Guiding means for fork-lift
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00935—Details with special means for nesting or stacking
- B65D2519/00955—Details with special means for nesting or stacking stackable
- B65D2519/0096—Details with special means for nesting or stacking stackable when empty
Definitions
- This invention relates to a pallet.
- Pallets are often used to store and transport goods. Pallets maintain the goods at a distance above the floor such that they can readily be lifted and moved by a forklift. Plastic pallets are lighter and more durable than wooden pallets.
- Some pallets are half the size of standard-sized pallets and are known as “half-pallets.”
- the half-pallets include a deck and a plurality of spaced-apart feet extending down from the deck to form openings. These half-pallets are transported short distances, such as from a delivery truck into a store, by a person on a wheeled pallet lift jack.
- the pallet lift jack is first rolled into an opening between the feet of a loaded half-pallet.
- a pneumatic or mechanical lift mechanism on the pallet lift jack then lifts deck of the half-pallet upward until the feet of the half-pallet are off the ground and the loaded half-pallet can be freely rolled on the pallet lift jack.
- One known half-pallet includes a plurality of lateral projections protruding inwardly from lower portions of the feet. These lateral projections contact an underside of the pallet lift jack when the half-pallet is lifted, thereby assisting in locking the half-pallet in position on the pallet lift jack.
- the force exerted against the lateral projections can cause the feet to deflect outwardly, causing the lateral projections to slip off the pallet lift jack.
- the known half-pallet also includes recesses on the upper surface of the deck into which are received the feet of a similar pallet stacked thereon. Adjacent recesses (noncontiguous with the recesses that receive the feet) receive the lateral projections of the similar half pallet stacked thereon.
- the recesses help maintain the stability of a stack of the empty half pallets, but the arrangement of the recesses and do not permit cross-stacking of empty half pallets.
- the feet do not fit into the recesses when cross-stacked.
- a half pallet for use with a pallet lift jack includes a deck from which extends a plurality of feet.
- a lateral projection extends inwardly from the feet.
- a vertical projection protrudes upwardly from an inner end of the lateral projection and is spaced from the foot such that a portion of a frame of the pallet lift jack can be received between the vertical projection and the foot. This prevents the feet from being deflected outwardly when the half pallet is locked against the frame of the pallet lift jack, thereby improving the stability of the stacked half pallets on the pallet lift jack.
- the half pallet includes a plurality of interlocking features on the upper surface of the deck.
- each interlocking feature is a recess that receive both the foot and the lateral projection.
- the recess receives the foot and the lateral projection when in a stacked position and when in a cross-stacked position, thus providing increased stability to cross-stacked, empty half-pallets.
- FIG. 1 is a perspective view of a pallet according to the present invention.
- FIG. 2 is an end view of the pallet of FIG. 1 .
- FIG. 3 is a side view of the pallet.
- FIG. 4 is an end view of the pallet supported in a locked position on a pallet lift jack.
- FIG. 5 is a perspective view of the pallet stacked on a similar pallet.
- FIG. 6 is a sectional view of FIG. 5 looking down, taken just above the upper surface of the deck of the lower pallet.
- FIG. 7 is a perspective view of the pallet cross stacked on two similar pallets.
- FIG. 8 is a sectional view of FIG. 7 looking down, taken just above the upper surface of the deck of the lower pallet.
- FIG. 1 A pallet 10 of the half-pallet type is shown in FIG. 1 .
- the pallet 10 includes a deck 12 from which extend down four corner feet 14 a and two side feet 14 b. Side walls 16 extend partially down from the deck 12 and connect the feet 14 a, b to define fork-receiving openings 18 .
- a pallet lift jack opening 20 is defined at each end of the pallet by the deck 12 and side walls 16 .
- Each of the corner feet 14 a and side feet 14 b includes a lateral projection 24 extending inwardly toward an opposite foot 14 a, b.
- a vertical projection 26 protrudes upwardly from an inner end of each lateral projection 24 .
- the deck 12 includes a plurality of interlocking features 30 a, b on its upper surface.
- the interlocking features 30 a, b are recesses, but they could alternatively be formed as projections or a combination of projections and recesses.
- the interlocking features 30 a, b include L-shaped corner interlocking features 30 a and T-shaped side interlocking features 30 b.
- the corner interlocking features 30 a are shaped to receive in an interlocking manner the corner feet 14 a
- the side interlocking features 30 b are shaped to receive in an interlocking manner the side feet 14 b of a similar pallet stacked thereon.
- the interlocking features 30 a, b are also configured to receive the feet 14 a, b of a similar pallet cross-stacked thereon.
- the deck 12 may include one or more handles 40 formed thereon, such as adjacent the ends of the pallet 10 , as shown.
- FIG. 2 is an end view of the pallet 10 .
- the vertical projection 26 is spaced inwardly from the foot 14 a to define a frame receiving recess 44 among the lateral projection 24 , the vertical projection 26 and the foot 14 a.
- the frame receiving recess 44 includes an abutment surface 46 on the upper surface of the lateral projection 24 .
- the side feet 14 b include similar lateral projections 24 and vertical projections 26 .
- FIG. 3 is a side view of the pallet 10 .
- Fork receiving openings 18 are defined between each corner foot 14 a and the side foot 14 b and the side wall 16 .
- the fork-receiving openings 18 provide the ability to move the pallet 10 with a forklift in a generally known manner.
- FIG. 4 is an end view of the pallet 10 supported in a locked positin on a pallet lift jack 60 .
- the pallet lift jack 60 includes a base 62 having a lower frame 64 .
- the base 62 is supported on wheels 66 and includes a lift mechanism 70 for selectively raising and lowering a platform 72 .
- the lift mechanism 70 may be pneumatic or electric or it may otherwise provide mechanical leverage for manually lifting the platform 72 and the pallet 10 when loaded (although illustrated empty).
- the pallet lift jack 60 is wheeled into the pallet lift jack opening 20 of the pallet 10 until the platform 72 is aligned beneath the deck 12 .
- the lift mechanism 70 is then activated to bring the platform 72 into contact with the deck 12 and then raise the pallet 10 off the floor.
- the lower frame 64 As the deck 12 is raised, the lower frame 64 is received into the frame receiving recesses 44 of the pallet 10 . When the lateral projections 24 of the pallet 10 contact the lower frame 64 , the pallet 10 is locked in place on the pallet lift jack 60 for transport.
- the lower frame 64 is disposed between the vertical projection 26 and the foot 14 a. The vertical projection 26 prevents the foot 14 a from deflecting outwardly and releasing the lower frame 64 .
- the side feet 14 b are locked to the lower frame 64 in a similar manner.
- the lift mechanism 70 lowers the pallet feet 14 a, b to the floor and is removed from the pallet lift jack opening 20 .
- FIG. 5 is a perspective view of the pallet 10 stacked on a similar pallet 10 ′.
- the pallet 10 ′ is identical to the pallet 10 and corresponding features of pallet 10 ′ will be described with the same reference numerals with a prime designation.
- FIG. 6 is a sectional view of FIG. 5 through a plane just above the upper surface of the deck of the lower pallet to show the position of the feet 14 a, b of the upper pallet 10 in the interlocking features 30 a, b of the lower pallet 10 ′. Referring to FIGS.
- the corner feet 14 a of the upper pallet 10 are received in a portion of the corner interlocking features 30 a ′ of the lower pallet 10 ′ and the side feet 14 b are received in a portion of the side interlocking features 30 b ′ of the lower pallet 10 ′.
- the side interlocking features 30 b ′ include an enlarged portion 32 ′ into which is interlocked the side foot 14 b′. This interlocking maintains the stability of the stacked pallets 10 , 10 ′ when stored or transported empty.
- FIG. 7 is a perspective view of the pallet 10 cross-stacked on two similar pallets 10 ′, 10 ′′. In the cross-stacked position, the pallet 10 is supported equally by the two similar pallets 10 ′, 10 ′′.
- FIG. 8 is a sectional view of FIG. 7 through a plane just above the upper surface of the deck of the lower pallets to show the position of the feet 14 a, b of the upper pallet 10 in the interlocking features 30 a, b of the lower pallets 10 ′, 10 ′′.
- the interlocking features 30 a, b ′ and 30 a, b ′′ are configured such that they interlock with the corner feet 14 a and side feet 14 b in the cross-stacked orientation as well.
- Two of the corner feet 14 a are received in corner interlocking features 30 a′′, 30 a′, but rotated 90 degrees relative to the stacked position.
- the other two corner feet 14 a are received in side interlocking features 30 b′′, 30 b′.
- One of the side feet 14 b is receive in two adjacent side interlocking features 30 b′′, 30 b′.
- the other side foot 14 b is received in two adjacent corner interlocking features 30 a′′, 30 a ′ (not visible in FIG. 7 ).
- the interlocking between the feet 14 a, b and the decks 12 ′′, 12 ′ in a cross-stacked orientation increases the stability of the empty pallets 10 , 10 ′, 10 ′′ when transported or stored.
- the pallet 10 shown is injection molded of a plastic, such as polypropylene or HDPE.
- the entire pallet 10 shown, including the deck 12 , feet 14 a, b, and lateral projections 24 , is preferably integrally molded as a single piece, but could alternatively be molded as separate components that are snap-fit, welded or glued together.
Abstract
A half pallet for use with a pallet lift jack includes a deck from which extends a plurality of feet. A lateral projection extends inwardly from each of the feet. A vertical projection protrudes upwardly from an inner end of the lateral projection and is spaced from the foot such that a portion of a frame of the pallet lift jack can be received between the vertical projection and the foot to prevent outward deflection of the feet. A plurality of interlocking features is formed on the upper surface of the deck. In the example disclosed, each interlocking feature is a recess that receives both the foot and the lateral projection. The recess receives the foot and the lateral projection when in a stacked position and when in a cross-stacked position, thus providing increased stability to cross-stacked, empty half-pallets.
Description
- This invention relates to a pallet. Pallets are often used to store and transport goods. Pallets maintain the goods at a distance above the floor such that they can readily be lifted and moved by a forklift. Plastic pallets are lighter and more durable than wooden pallets.
- Some pallets are half the size of standard-sized pallets and are known as “half-pallets.” The half-pallets include a deck and a plurality of spaced-apart feet extending down from the deck to form openings. These half-pallets are transported short distances, such as from a delivery truck into a store, by a person on a wheeled pallet lift jack. The pallet lift jack is first rolled into an opening between the feet of a loaded half-pallet. A pneumatic or mechanical lift mechanism on the pallet lift jack then lifts deck of the half-pallet upward until the feet of the half-pallet are off the ground and the loaded half-pallet can be freely rolled on the pallet lift jack.
- One known half-pallet includes a plurality of lateral projections protruding inwardly from lower portions of the feet. These lateral projections contact an underside of the pallet lift jack when the half-pallet is lifted, thereby assisting in locking the half-pallet in position on the pallet lift jack. However, the force exerted against the lateral projections can cause the feet to deflect outwardly, causing the lateral projections to slip off the pallet lift jack.
- The known half-pallet also includes recesses on the upper surface of the deck into which are received the feet of a similar pallet stacked thereon. Adjacent recesses (noncontiguous with the recesses that receive the feet) receive the lateral projections of the similar half pallet stacked thereon. The recesses help maintain the stability of a stack of the empty half pallets, but the arrangement of the recesses and do not permit cross-stacking of empty half pallets. The feet do not fit into the recesses when cross-stacked.
- A half pallet for use with a pallet lift jack includes a deck from which extends a plurality of feet. A lateral projection extends inwardly from the feet. A vertical projection protrudes upwardly from an inner end of the lateral projection and is spaced from the foot such that a portion of a frame of the pallet lift jack can be received between the vertical projection and the foot. This prevents the feet from being deflected outwardly when the half pallet is locked against the frame of the pallet lift jack, thereby improving the stability of the stacked half pallets on the pallet lift jack.
- The half pallet includes a plurality of interlocking features on the upper surface of the deck. In the example disclosed, each interlocking feature is a recess that receive both the foot and the lateral projection. The recess receives the foot and the lateral projection when in a stacked position and when in a cross-stacked position, thus providing increased stability to cross-stacked, empty half-pallets.
- Other advantages of the present invention can be understood by reference to the following detailed description when considered in connection with the accompanying drawings wherein:
-
FIG. 1 is a perspective view of a pallet according to the present invention. -
FIG. 2 is an end view of the pallet ofFIG. 1 . -
FIG. 3 is a side view of the pallet. -
FIG. 4 is an end view of the pallet supported in a locked position on a pallet lift jack. -
FIG. 5 is a perspective view of the pallet stacked on a similar pallet. -
FIG. 6 is a sectional view ofFIG. 5 looking down, taken just above the upper surface of the deck of the lower pallet. -
FIG. 7 is a perspective view of the pallet cross stacked on two similar pallets. -
FIG. 8 is a sectional view ofFIG. 7 looking down, taken just above the upper surface of the deck of the lower pallet. - A
pallet 10 of the half-pallet type is shown inFIG. 1 . Thepallet 10 includes adeck 12 from which extend down fourcorner feet 14 a and twoside feet 14 b.Side walls 16 extend partially down from thedeck 12 and connect thefeet 14 a, b to define fork-receivingopenings 18. A palletlift jack opening 20 is defined at each end of the pallet by thedeck 12 andside walls 16. - Each of the
corner feet 14 a andside feet 14 b includes alateral projection 24 extending inwardly toward anopposite foot 14 a, b. Avertical projection 26 protrudes upwardly from an inner end of eachlateral projection 24. - The
deck 12 includes a plurality of interlocking features 30 a, b on its upper surface. In the embodiment shown, the interlocking features 30 a, b are recesses, but they could alternatively be formed as projections or a combination of projections and recesses. The interlocking features 30 a, b include L-shaped corner interlocking features 30 a and T-shaped side interlocking features 30 b. The corner interlocking features 30 a are shaped to receive in an interlocking manner thecorner feet 14 a, and theside interlocking features 30 b are shaped to receive in an interlocking manner theside feet 14 b of a similar pallet stacked thereon. As will be described in more detail below, the interlocking features 30 a, b are also configured to receive thefeet 14 a, b of a similar pallet cross-stacked thereon. Thedeck 12 may include one ormore handles 40 formed thereon, such as adjacent the ends of thepallet 10, as shown. -
FIG. 2 is an end view of thepallet 10. As shown, thevertical projection 26 is spaced inwardly from thefoot 14 a to define aframe receiving recess 44 among thelateral projection 24, thevertical projection 26 and thefoot 14 a. Theframe receiving recess 44 includes anabutment surface 46 on the upper surface of thelateral projection 24. Although not shown inFIG. 2 , theside feet 14 b include similarlateral projections 24 andvertical projections 26. -
FIG. 3 is a side view of thepallet 10.Fork receiving openings 18 are defined between eachcorner foot 14 a and theside foot 14 b and theside wall 16. The fork-receivingopenings 18 provide the ability to move thepallet 10 with a forklift in a generally known manner. -
FIG. 4 is an end view of thepallet 10 supported in a locked positin on apallet lift jack 60. Thepallet lift jack 60 includes abase 62 having alower frame 64. Thebase 62 is supported onwheels 66 and includes a lift mechanism 70 for selectively raising and lowering aplatform 72. The lift mechanism 70 may be pneumatic or electric or it may otherwise provide mechanical leverage for manually lifting theplatform 72 and thepallet 10 when loaded (although illustrated empty). To lift thepallet 10, thepallet lift jack 60 is wheeled into the pallet lift jack opening 20 of thepallet 10 until theplatform 72 is aligned beneath thedeck 12. The lift mechanism 70 is then activated to bring theplatform 72 into contact with thedeck 12 and then raise thepallet 10 off the floor. As thedeck 12 is raised, thelower frame 64 is received into the frame receivingrecesses 44 of thepallet 10. When thelateral projections 24 of thepallet 10 contact thelower frame 64, thepallet 10 is locked in place on thepallet lift jack 60 for transport. Thelower frame 64 is disposed between thevertical projection 26 and thefoot 14 a. Thevertical projection 26 prevents thefoot 14 a from deflecting outwardly and releasing thelower frame 64. - Although only the
corner feet 14 a are visible inFIG. 4 , theside feet 14 b are locked to thelower frame 64 in a similar manner. When thepallet 10 is wheeled to the desired location, the lift mechanism 70 lowers thepallet feet 14 a, b to the floor and is removed from the palletlift jack opening 20. -
FIG. 5 is a perspective view of thepallet 10 stacked on asimilar pallet 10′. Thepallet 10′ is identical to thepallet 10 and corresponding features ofpallet 10′ will be described with the same reference numerals with a prime designation.FIG. 6 is a sectional view ofFIG. 5 through a plane just above the upper surface of the deck of the lower pallet to show the position of thefeet 14 a, b of theupper pallet 10 in the interlocking features 30 a, b of thelower pallet 10′. Referring toFIGS. 5 and 6 , in the stacked position, thecorner feet 14 a of theupper pallet 10 are received in a portion of the corner interlocking features 30 a′ of thelower pallet 10′ and theside feet 14 b are received in a portion of the side interlocking features 30 b′ of thelower pallet 10′. The side interlocking features 30 b′ include anenlarged portion 32′ into which is interlocked theside foot 14 b′. This interlocking maintains the stability of thestacked pallets -
FIG. 7 is a perspective view of thepallet 10 cross-stacked on twosimilar pallets 10′, 10″. In the cross-stacked position, thepallet 10 is supported equally by the twosimilar pallets 10′, 10″.FIG. 8 is a sectional view ofFIG. 7 through a plane just above the upper surface of the deck of the lower pallets to show the position of thefeet 14 a, b of theupper pallet 10 in the interlocking features 30 a, b of thelower pallets 10′, 10″. As shown, the interlocking features 30 a, b′ and 30 a, b″ are configured such that they interlock with thecorner feet 14 a andside feet 14 b in the cross-stacked orientation as well. Two of thecorner feet 14 a are received in corner interlocking features 30 a″, 30 a′, but rotated 90 degrees relative to the stacked position. The other twocorner feet 14 a are received in side interlocking features 30 b″, 30 b′. One of theside feet 14 b is receive in two adjacent side interlocking features 30 b″, 30 b′. Theother side foot 14 b is received in two adjacent corner interlocking features 30 a″, 30 a′ (not visible inFIG. 7 ). The interlocking between thefeet 14 a, b and thedecks 12″, 12′ in a cross-stacked orientation increases the stability of theempty pallets - The
pallet 10 shown is injection molded of a plastic, such as polypropylene or HDPE. Theentire pallet 10 shown, including thedeck 12,feet 14 a, b, andlateral projections 24, is preferably integrally molded as a single piece, but could alternatively be molded as separate components that are snap-fit, welded or glued together. - While embodiments of the invention have been illustrated and described, it is not intended that these embodiments illustrate and describe all possible forms of the invention. Rather, the words used in the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention.
Claims (21)
1. A pallet including:
a deck; and
a plurality of feet extending downwardly from the deck, a first foot of the plurality of feet including a first lateral projection having an upper abutment surface and a vertical projection protruding upwardly from the upper abutment surface.
2. The pallet of claim 1 wherein the first lateral projection projects from the first foot toward another one of the plurality of feet and wherein the vertical projection is spaced inwardly from the first foot, thereby defining a receiving area therebetween.
3. The pallet of claim 2 wherein a second foot of the plurality of feet includes a second lateral projection extending toward the first foot.
4. The pallet of claim 3 wherein the first lateral projection projects from the first foot toward the second foot.
5. The pallet of claim 4 wherein the first foot and the second foot define a pallet jack opening therebetween, the first foot and a third foot defining a forklift opening therebetween.
6. The pallet of claim 5 further including a side wall extending downwardly from the deck between the first foot and the third foot, the forklift opening defined by the first foot, third foot and the side wall.
7. The pallet of claim 6 wherein the pallet jack opening is defined between the first foot, the second foot and the deck.
8. The pallet of claim 1 wherein the upper abutment surface is a recessed surface.
9. The pallet of claim 1 wherein the deck includes an upper surface having a plurality of interlocking features, each aligned with one of the plurality of feet.
10. The pallet of claim 11 wherein the plurality of feet can be interlocked with the plurality of interlocking features of a similar pallet stacked therebelow and can be interlocked with a subset of the plurality of interlocking features of a similar pallet cross-stacked therebelow.
11. The pallet of claim 1 stacked on a pallet lift jack including a lift mechanism mounted on a frame, the lift mechanism engaging an underside of the deck and causing the upper abutment surface of the pallet to bear against a portion of the frame, the portion of the frame disposed at least partially between the vertical projection and the first foot.
12. A pallet including:
a deck having an upper surface with a plurality of interlocking features;
a first pair of feet extending downwardly from the deck and defining a pallet lift jack opening therebetween, at least one of the first pair of feet including an upper abutment surface, the first pair of feet of the pallet configured to interlock with the interlocking features of a similar pallet in a stacked orientation and configured to interlock with the interlocking features of the similar pallet in a cross-stacked orientation.
13. The pallet of claim 12 wherein each of the first pair of feet includes a first lateral projection.
14. The pallet of claim 13 wherein the first lateral projections project toward one another.
15. The pallet of claim 13 wherein the plurality of interlocking features includes a plurality of recesses.
16. The pallet of claim 15 wherein the plurality of recesses are complementary in shape to the first pair of feet and the first lateral projections.
17. The pallet of claim 16 wherein each of the plurality of recesses includes a foot portion for receiving one of the first pair of feet of the similar pallet and a first contiguous projection portion for receiving the first lateral projection when the similar pallet is stacked on the pallet in the stacked orientation.
18. The pallet of claim 17 wherein each of the plurality of recesses further includes a second projection portion contiguous with the foot portion for receiving the first lateral projection when the similar pallet is stacked on the pallet in the cross stacked orientation.
19. The pallet of claim 13 wherein the plurality of interlocking features includes corner interlocking features and side interlocking features, the first pair of feet received in corner interlocking features when in the stacked orientation, at least one of the first pair of feet received in one of the side interlocking features when in the cross stacked orientation.
20. A pallet including:
a deck having an upper surface with a plurality of interlocking features, including a plurality of corner interlocking features and a plurality of side interlocking features; and
a plurality of laterally-spaced pairs of feet extending downwardly from the deck, the plurality of pairs of feet of the pallet configured to interlock with the interlocking features of a similar pallet in a stacked orientation and configured to interlock with the interlocking features of the one or more similar pallets in a cross-stacked orientation.
21. The pallet of claim 20 wherein the plurality of pairs of feet includes a first foot having a first lateral projection having an upper abutment surface and a vertical projection protruding upwardly from the upper abutment surface.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/044,741 US20060162624A1 (en) | 2005-01-26 | 2005-01-26 | Pallet |
CA002530844A CA2530844A1 (en) | 2005-01-26 | 2005-12-19 | Pallet |
MXPA06000884A MXPA06000884A (en) | 2005-01-26 | 2006-01-23 | Pallet. |
GB0601411A GB2422592A (en) | 2005-01-26 | 2006-01-25 | Stacking half-pallet for use with a lift jack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/044,741 US20060162624A1 (en) | 2005-01-26 | 2005-01-26 | Pallet |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060162624A1 true US20060162624A1 (en) | 2006-07-27 |
Family
ID=36060764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/044,741 Abandoned US20060162624A1 (en) | 2005-01-26 | 2005-01-26 | Pallet |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060162624A1 (en) |
CA (1) | CA2530844A1 (en) |
GB (1) | GB2422592A (en) |
MX (1) | MXPA06000884A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100095875A1 (en) * | 2008-10-20 | 2010-04-22 | Magline, Inc. | Pallet with floor clearance |
US10118731B2 (en) | 2015-06-08 | 2018-11-06 | Rehrig Pacific Company | Pallet assembly |
US10479661B2 (en) | 2016-02-16 | 2019-11-19 | Rehrig Pacific Company | Lift and pallet |
US10737832B2 (en) | 2018-04-05 | 2020-08-11 | Rehrig Pacific Company | Half pallet |
USD895223S1 (en) | 2020-05-20 | 2020-09-01 | Rehrig Pacific Company | Pallet |
USD895224S1 (en) | 2020-05-20 | 2020-09-01 | Rehrig Pacific Company | Pallet |
US11034371B2 (en) | 2019-08-19 | 2021-06-15 | Rehrig Pacific Company | Pallet sled |
US11174070B2 (en) | 2019-08-07 | 2021-11-16 | Rehrig Pacific Company | Stackable pallet |
WO2023030545A1 (en) * | 2021-08-30 | 2023-03-09 | 上海振华重工(集团)股份有限公司 | Storage mechanism, storage stack and storage center for lock pins |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7293509B2 (en) * | 2005-08-02 | 2007-11-13 | Rehrig Pacific Company | Pallet for use with lift jack |
USD932729S1 (en) | 2019-07-23 | 2021-10-05 | Signode Industrial Group Llc | Pallet |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100095875A1 (en) * | 2008-10-20 | 2010-04-22 | Magline, Inc. | Pallet with floor clearance |
WO2010048162A2 (en) * | 2008-10-20 | 2010-04-29 | Magline, Inc. | Pallet with floor clearance |
WO2010048162A3 (en) * | 2008-10-20 | 2010-08-12 | Magline, Inc. | Pallet with floor clearance |
US10118731B2 (en) | 2015-06-08 | 2018-11-06 | Rehrig Pacific Company | Pallet assembly |
US10479661B2 (en) | 2016-02-16 | 2019-11-19 | Rehrig Pacific Company | Lift and pallet |
US10737832B2 (en) | 2018-04-05 | 2020-08-11 | Rehrig Pacific Company | Half pallet |
US11174070B2 (en) | 2019-08-07 | 2021-11-16 | Rehrig Pacific Company | Stackable pallet |
US11034371B2 (en) | 2019-08-19 | 2021-06-15 | Rehrig Pacific Company | Pallet sled |
USD895223S1 (en) | 2020-05-20 | 2020-09-01 | Rehrig Pacific Company | Pallet |
USD895224S1 (en) | 2020-05-20 | 2020-09-01 | Rehrig Pacific Company | Pallet |
WO2023030545A1 (en) * | 2021-08-30 | 2023-03-09 | 上海振华重工(集团)股份有限公司 | Storage mechanism, storage stack and storage center for lock pins |
Also Published As
Publication number | Publication date |
---|---|
GB0601411D0 (en) | 2006-03-08 |
GB2422592A (en) | 2006-08-02 |
CA2530844A1 (en) | 2006-07-26 |
MXPA06000884A (en) | 2007-04-26 |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: REHRIG PACIFIC COMPANY, CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HASSELL, JON P.;REEL/FRAME:016143/0596 Effective date: 20050418 |
|
AS | Assignment |
Owner name: SWIFT WATER LOGISTICS, INC., NORTH CAROLINA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:REHRIG PACIFIC COMPANY;REEL/FRAME:021113/0841 Effective date: 20070824 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |