Patent ID: 6851562
Filing Date: 2005-02-08
Classification: B65G

Abstract:
1. A push back storage rack system for storing multiple loads in a single inclined cart lane comprising: a storage rack structure forming a single inclined cart lane having a loading end at a lowest part of the inclined cart lane, a storage end at a highest part of the inclined cart lane, and a support beam located at said loading end of said inclined cart lane; a plurality of carts including a first cart having a structure which enables it to carry and move at least one load in said cart lane, said first cart including a leading end and a trailing end, said leading end of said first cart always being positioned farther away from said loading end of said inclined cart lane than said trailing end of said cart is positioned, said first cart having at least two parallel and elongated side plates, a leading cross piece extending between said side plates at about the leading end of said first cart, said cart contacting said support beam when said first cart is at said loading end of said inclined cart lane; at least one higher cart having a structure which enables said at least one higher cart to carry and move at least one load in said cart lane and causes said at least one higher cart to be spaced to a higher vertical position than said first cart, said at least one higher cart having a leading end and a trailing end, said leading end of said at least one higher cart always being positioned farther away from said loading end of said inclined cart lane than said trailing end of said at least one higher cart is positioned, said at least one higher cart having at least two parallel and elongated side plates; a leading cross piece extending between said side plates at about said leading end of said at least one higher cart, said leading cross piece of said at least one higher cart being positioned to contact a cart beneath it, said at least one higher cart when both said at least one higher cart and the cart beneath it are at the loading end of said inclined cart lane, so that the load of said at least one higher cart is transferred through said first cart to said support beam.