Patent ID: 11867263
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 22:
23. A method to actuate a device, comprising:
linearly shifting a piston from a first piston position to a second piston position, the piston having a piston slot that is engaged with a retractable rail tab of a retractable rail while the piston shifts from the first piston position to the second piston position;
engaging the piston to a shoulder of an activating lever;
shifting the activating lever from a first activating lever position to a second activating lever position to disengage the retractable rail tab from the piston slot; and
linearly shifting the piston from the second piston position to a third piston position and away from the first piston position to actuate the device.