Patent ID: 8425177

Claim:
A method of emptying the contents of a refuse cart into a refuse collection vehicle with a refuse cart lifting device, the method comprising: rotatably displacing a lift arm of the refuse cart lifting device, a first end of the lift arm being operably attached to a liftplate of the refuse cart lifting device, the second end of the lift arm being operably connected to an actuator; rotatably displacing, by displacement of the lift arm, the liftplate from a recessed position to an intermediate position; displacing a pivot plate and a hook arm of the refuse cart lifting device, the hook arm having a first end and a second end, the first end of the hook arm being operably attached to the pivot plate, the second end of the hook arm being operably attached to a shaft, the shaft being operably attached to a hook; displacing a pull arm of the refuse cart lifting device as the liftplate is rotated to the intermediate position, the pull arm having a first end and a second end, the first end of the pull arm being pivotally attached to the liftplate; displacing a push arm of the refuse cart lifting device, the push arm having a first end and a second end, the second end of the push arm being operably attached to the shaft; engaging, during rotation of the liftplate to the intermediate position, a saddle on the liftplate with an upper lifting point on the refuse cart; lifting, during rotation of the liftplate to the intermediate position, the refuse cart; pivoting the hook into engagement with a lower lifting point on the refuse cart; and rotating the liftplate from the intermediate position to a dump position to empty the contents of the refuse cart into the refuse collection vehicle.