Patent ID: 7448637

Claim:
A step device for use in accessing a truck bed, said step device comprising: a telescopic boom assembly attachable to the truck bed for movement between retracted and extended configurations; a plurality of steps movable between collapsed and deployed configurations; linkage coupling at least one said step with said boom assembly; wherein; at least one said step is above said boom assembly when said steps are at said deployed configuration; at least one said step is below said boom assembly when said steps are at said deployed configuration; said linkage includes a common link connecting said step above said boom assembly with said step below said boom assembly; said boom assembly includes first and second ends, said steps being adjacent said second end when said steps are at said deployed configuration; and said linkage is configured to rotate said step above said boom assembly toward said first end of said boom assembly when said steps move toward said deployed configuration and away from said first end of said boom assembly when said steps move toward said collapsed configuration.