| 摘要 |
992,228. Excavator buckets. CLEVELAND TRENCHER CO. April 24, 1964 [May 2, 1963], No. 17156/64. Heading E1F. Each of the cylindrical sockets 20 by which rods forming the semi-open back of an excavator bucket are mounted on the bucket is at the end 24 remote from the rod-receiving bore of the socket formed with a planar surface disposed obliquely to the axis of the socket so that the socket, when suitably positioned for correct inclination of the rod mounted therein, has a substantially surface to surface contact with the shell of the bucket when secured thereto. A number of preferred forms of socket are described, each form having a different means for permitting of securing of the rod in the socket. |
