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The leg attachment system has first component that has two plates that define a gap for receiving a plate of a second component therebetween in a snap-fit manner. The second component has a depending projection that receives a caster assembly and the lower plate of the first component has a slot to

The leg attachment system has first component that has two plates that define a gap for receiving a plate of a second component therebetween in a snap-fit manner. The second component has a depending projection that receives a caster assembly and the lower plate of the first component has a slot to receive the projection.

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1. A leg attachment system comprising: a first component having a first plate for securement to an appliance and a second plate spaced from said first plate to define a gap therebetween and resiliently secured to said first plate at one end thereof; said second plate having a slot extending from a s

1. A leg attachment system comprising: a first component having a first plate for securement to an appliance and a second plate spaced from said first plate to define a gap therebetween and resiliently secured to said first plate at one end thereof; said second plate having a slot extending from a second end of said second plate towards said one end thereof; anda second component having a third plate slidably mounted in said gap between said first plate and said second plate and a projection extending from said third plate and received in said slot. 2. A leg attachment system as set forth in claim 1 further comprising a caster mounted in said projection. 3. A leg attachment system as set forth in claim 1 wherein said projection is a longitudinally extending leg. 4. A leg attachment system as set forth in claim 1 wherein said first plate and said second plate are integral at said one end of said second plate. 5. A leg attachment system as set forth in claim 4 wherein said first plate and said second plate are made of metal. 6. A leg attachment system as set forth in claim 1 wherein said first plate has at least one barb for locking said second component within said gap. 7. A leg attachment system as set forth in claim 6 wherein said barb has an inclined forward face for guiding said second component into said gap. 8. A leg attachment system comprising a first component having a first plate for securement in a horizontal plane to an underside of an appliance and a second plate secured to said first plate at one end thereof, said second plate being spaced from said first plate to define a horizontally disposed gap therebetween and having a slot therein; anda second component having a third plate slidably mounted in said gap and a projection extending perpendicularly of said third plate and received in said slot of said second plate. 9. A leg attachment system as set forth in claim 8 further comprising a caster mounted in said projection. 10. A leg attachment system as set forth in claim 8 wherein said projection is a longitudinally extending leg. 11. A leg attachment system as set forth in claim 8 wherein said second plate is resilienty secured at said one end to said first plate. 12. A leg attachment system as set forth in claim 11 wherein said first plate and said second plate are integral at said one end of said second plate. 13. A leg attachment system as set forth in claim 11 wherein said first plate has at least one barb for locking said second component within said gap. 14. Ale attachment system as set forth in claim 13 wherein said barb has an inclined forward face for guiding said second component into said gap. 15. In combination a device having a base for mounting on a horizontal support surface, anda plurality of leg attachment systems mounted on said base of said device for supporting said device on the support surface, at least one of said leg attachment systems having a first component having a first plate secured to said base of said device and a second plate secured to said first plate at one end thereof, said second plate being spaced from said first plate to define a horizontally disposed gap therebetween and having a slot therein, and a second component having a third plate slidably mounted in said gap between said first plate and said second plate, and a projection extending vertically from said third plate onto the support surface and received in said slot of said second plate. 16. The combination as set forth in claim 15 wherein said at least one of said leg attachment systems has a caster mounted in said projection for rolling on the support surface. 17. The combination as set forth in claim 15 wherein said projection is a longitudinally extending leg for seating on the support surface. 18. The combination as set forth in claim 15 wherein said first component has at least one barb for locking said second component within said gap. 19. The combination as set forth in claim 15 wherein said device is a refrigerator. 20. The combination as set forth in claim 15 wherein said device is a cabinet.