| 摘要 |
PCT No. PCT/SE83/00224 Sec. 371 Date Jan. 25, 1984 Sec. 102(e) Date Jan. 25, 1984 PCT Filed Jun. 3, 1983 PCT Pub. No. WO83/04277 PCT Pub. Date Dec. 8, 1983.A digging apparatus (5) attachable to a bucket loader e.g. a tractor loader (1) of the type used for smaller digging work, such as excavating trenches, e.g. in agriculture, park management or the like, and incorporating a connecting device (4), intended to be connected to said bucket loader and with a pivot axle (8) connected thereto and extending mainly perpendicularly to the extension of the digging beam, a digging beam (11) pivotably supported about the pivot axle and having an overhead stay bar (13) and a bucket (17) attached to the free end of the digging beam, which bucket is operable by means of a driving device (15), and having at least one hydraulic piston (20) adapted to bring about the pivoting of the digging beam about the pivot axle and arranged to transfer pivot force to the digging beam at a short distance from the pivot axle, and wherein the digging beam (11) and the stay bar (13) are both designed as telescopic tubular profiles (11a, 11b and 13a, 13b resp.), which are individually adjustable in length by aid of individually operable attachment members (18), in order easily to adapt the apparatus for attachment to different bucket loaders and for rapid adjustment of the geometry of the digging beam in relation to varying digging conditions and positions. |
