| 摘要 |
The apparatus has a hawk (1) with three sides (4-6), and closed by caps presenting fillets (8, 8`, 9, 9`) connected to the respective sides (4, 5). Threaded inserts (12, 12`) provided on the side (6) permit fixation of a detachable articulated device (2). The device has fixed and articulated pieces (17, 20) with toothed discs. The piece (20) has two sleeves (25, 25`) to receive telescopic arms (3, 3`) in work position. |
