Patent ID: 11898652
Assignee: FISHER CONTROLS INTERNATIONAL LLC
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 13:
14. A method of assembling a flow control device, comprising the steps of:
assembling a unitary trim cartridge assembly by:
installing a retaining element into an exterior groove of a cage;
inserting the cage into an overlapping portion of a bonnet until the retaining element extends into an interior groove formed in the overlapping portion of the bonnet, wherein a height of the interior groove in the bonnet and/or a height of the exterior groove of the cage is greater than a height of the retaining element to allow the cage to move longitudinally within the bonnet with the bonnet and cage assembled;

inserting the trim cartridge assembly into a valve body; and
securing the trim cartridge assembly to the valve body.