US 12,116,247 B2
Open column jib crane
Robert Kundel, Sr., Corland, OH (US)
Assigned to Kundel Industries, Inc., Vienna, OH (US)
Filed by Kundel Industries, Inc., Vienna, OH (US)
Filed on May 10, 2022, as Appl. No. 17/740,435.
Prior Publication US 2023/0365382 A1, Nov. 16, 2023
Int. Cl. B66C 23/02 (2006.01)
CPC B66C 23/022 (2013.01) 23 Claims
OG exemplary drawing
 
1. A jib crane, comprising:
an open column having a first end and a second end opposite to the first end, wherein the second end is adapted to directly attach to a ground surface;
at least one interior space collectively defined by the open column between the first end and the second end;
a crane beam operably engaged with the open column at the first end of the open column;
a bearing assembly operably engaged with the crane beam and the open column, the bearing assembly comprises a tube having a first end that operably engages with the crane beam and a second end opposite to the first end, at least one bearing positioned inside of the at least one interior space defined by the open column and operably engages with the tube and the open column, and a mounting plate directly attached to the first end of the tube; and
a trolley assembly operably engaged with the crane beam and the bearing assembly and directly attached to the mounting plate.