Abstract: A bull wheel is disclosed for applying a tensioning or retarding force to cable. The bull wheel has a center drum having a peripheral rim. A series of groove defining segments of resilient material are detachably secured to the rim to form the traction wheel for convenient assembly and repair. In one embodiment the segments are curved and define a single groove. In another embodiment the segments are flat and define multiple grooves and are wrapped at assembly to conform to the curvature of the bull wheel rim.
Type:
Grant
Filed:
October 9, 1973
Date of Patent:
March 30, 1976
Assignee:
Superior Iron Works & Supply Company, Inc.
Abstract: A cable stringing device having a rotating bull wheel operative to take up and payout cable is disclosed. The bull wheel is pivotally operated by a hydraulic cylinder. A level wind control system includes limit sensing pilot valves which are actuated by adjustable cams to actuate a control valve to cause the cylinder to oscillate to level wind cable on the reel during take up and to cause the bull wheel to track the cable during payout.
Type:
Grant
Filed:
September 20, 1973
Date of Patent:
March 2, 1976
Assignee:
Superior Iron Works & Supply Company, Inc.