Patents Assigned to John V. R. Krummell
  • Latching device for a push-back cart system
    Patent number: 5598934
    Abstract: A latching mechanism for a push-back cart storage system includes an outer side member having a notch, and a cart frame section having a wheel assembly supported on the outer side member and a latch assembly engageable with said notch. The mechanism 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.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: February 4, 1997
    Assignee: John V. R. Krummell
    Inventors: John V. R. Krummell, Kenneth E. Davison
  • Push-back retrofit system for a storage rack assembly
    Patent number: 5312004
    Abstract: An apparatus and a method for retrofitting a storage rack assembly with a push-back system. Rail structures on which a push-back cart will travel are attached to an existing storage rack assembly with no or slight modification of the existing storage rack assembly. The push-back storage system may be retrofitted to a variety of different prior art storage racks; for example, a selective rack assembly or drive-in rack assembly.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: May 17, 1994
    Assignee: John V. R. Krummell
    Inventors: John V. R. Krummell, Kenneth E. Davison