Patent ID: 11873908
Assignee: MCWANE, INC.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 3:
4. A butterfly valve comprising:
a body having a fluid conduit and a gear platform, the gear platform supported on and over the fluid conduit, the gear platform formed integrally with the body;
a gear assembly configured to actuate a valve disk between an open position and a closed position, the gear assembly directly mounted to the gear platform, the gear assembly including:
a valve stem supported on the gear platform, the valve stem having a first threaded portion; and
a pin nut having a second threaded portion engaging the first threaded portion;

a shaft passing through the gear platform;
a Scotch yoke actuator on the shaft, the Scotch yoke actuator engaging the pin nut; and
a gear box cover defining an internal cavity, the internal cavity sized to house the gear assembly, the gear box cover having an open side configured to receive the gear assembly into the internal cavity, the open side of the gear box cover configured to be removably mounted to the gear platform to enclose the gear assembly in the internal cavity.