ROTATIONAL GRAPPLE

摘要

82 FED 261 Relates to a rotation bearing for a grapple which is interposed between the main stationary and rotational parts of the grapple which permits the motor for rotating the grapple to be located internally of an elongated housing and permits the hydraulic swivel for actuating the grapple to be formed as an integral part of the structure in a manner such that the swivel is not effected by loads being transmitted through the rotational bearing.