Patent ID: 8690514
Filing Date: 2014-04-08
Classification: B60P

Abstract:
1. A crane assembly comprising: a vehicle chassis; a main beam assembly disposed on said chassis comprising an elongated beam with a pair of longitudinally spaced supports, said supports comprising struts which project generally away from said beam and are fixed with respect to said beam; an upright assembly pivotally connected to one support and positionable in a first position supported on said second support in a generally horizontal position above and parallel to said main beam assembly and positionable in a second position generally perpendicular to said main beam assembly; and a boom assembly pivotally connected to said upright assembly and having a first member and an extension slidably received by said first member and extendable to an extended position from a retracted position, said boom assembly being pivotal to a stable inclined position at an angle to said upright assembly wherein said boom assembly is entirely disposed above said main beam assembly in said extended position when said upright assembly is in said first position and when said upright assembly is in said second position, said boom assembly being capable of operative deployment at a level above the chassis or at a level below the chassis for engagement of an object to be supported.