US 12,404,730 B2
Modular pipe loader assembly
Pete Ramos, Enid, OK (US); Rick G. Porter, Perry, OK (US); and Aleksander S. Wolfe, Stillwater, OK (US)
Assigned to The Charles Machine Works, Inc., Perry, OK (US)
Filed by The Charles Machine Works, Inc., Perry, OK (US)
Filed on Feb. 13, 2023, as Appl. No. 18/168,014.
Application 18/168,014 is a continuation of application No. 16/901,409, filed on Jun. 15, 2020, granted, now 11,578,541.
Claims priority of provisional application 62/861,190, filed on Jun. 13, 2019.
Prior Publication US 2023/0193702 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 19/15 (2006.01); E21B 7/04 (2006.01); E21B 19/20 (2006.01)
CPC E21B 19/15 (2013.01) [E21B 7/046 (2013.01); E21B 19/20 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
an elongate frame having a longitudinal axis;
a first shuttle arm supported by the frame and movable along a first shuttle path transverse to the longitudinal axis of the frame;
a second shuttle arm supported by the frame and movable along a second shuttle path spaced from, but parallel to, the first shuttle path;
a first actuator configured to power movement of the first shuttle arm along the first shuttle path; and
a second actuator configured to power movement of the second shuttle arm along the second shuttle path;
in which each of the first and second actuators comprises a pinion; and
in which the pinion of the first actuator is not connected to the pinion of the second actuator, apart from any removable load transported by both the first and second shuttle arms.