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US 6,648,573 B1Granted
Rack storage system with latching spring
AssigneeJohn V. R. Krummell, Jr.
InventorKen Davison
Life of this patent
Estimating the term…
Abstract
A latching spring for a push-back cart storage system includes a pair of spaced apart support rails, at least two cross members and a cart frame having a wheel assembly supported on the support rails and at least one latching spring. The latching spring is mounted on the cross members and engages with the cart frame. The spring latch prevents premature rearward rolling of unloaded carts in multiple cart push-back systems wherein the wheels of rearward rolling loaded carts roll on the unloaded carts.
Claims15
A storage rack system comprising:
- a pair of spaced apart support rails;
- at least two spaced apart cross members secured to the support rails;
- a cart frame having a wheel assembly on each side supported on a lower flange of each support rail;
- at least one spring member secured to the cross members engageable with the cart frame.
1 more element
A push back cart storage system comprising:
- a pair of spaced apart support rails;
- a first cart having wheels supported on the support rails, and having opposing side members;
- a second cart having front wheels supported on the side members of the first cart, and having rear wheels supported on the support rails;
- at least two spaced apart cross members secured to the pair of spaced apart support rails;
- at least on spring member secured to the spaced apart cross members for preventing the first cart from moving on the support rails due to rolling friction between the second cart and the first cart.
2 more elements
Dependencies are inferred from the claim text.