Mobile base for a camera crane

摘要

A camera crane mobile base has a chassis including a front and rear wheel frames joined to a frame body via front and rear frame arms. Axle assemblies are pivotally attached at opposite ends of the wheel frames. A wheel is mounted onto each axle assembly. Front and rear steering systems have linkages pivotally attached to the axle assemblies and to upper and lower steering arms. A post frame is pivotally attached to a frame body with a center post pivotally attached to the post frame.

主权项

1. A camera crane mobile base comprising:
a chassis including a frame body having first, second, third and fourth sides, with the first side parallel to the third and the second side parallel to the fourth side; a first frame arm joined to the first side of the frame body; a second frame arm joined to the third side of the frame body; a first wheel frame joined to the first frame arm, with the first frame arm perpendicular to the first wheel frame and to the first side of the frame body; a second wheel frame joined to the second frame arm, with the second frame arm perpendicular to the second wheel frame and to the third side of the frame body; first and second axle assemblies pivotally attached at opposite ends of the first wheel frame; third and fourth axle assemblies pivotally attached at opposite ends of the second wheel frame; a first steering system having first and second linkages pivotally attached to the first and second axle assemblies and to first upper and lower steering arms, respectively; a second steering system having third and fourth linkages pivotally attached to the third and fourth axle assemblies and to second upper and lower steering arms, respectively; first, second, third and fourth wheels rotatably attached onto the first, second, third and fourth axle assemblies, respectively; a post frame pivotally attached to the second and fourth sides of the frame body; and a center post pivotally attached to the post frame.