| 摘要 |
<p>Improved cable-passing guide, comprising a filament (2), whereof the threaded ends (3) and (4) are fit for coupling terminals, each with differently coloured metric scales (7) and (8) printed externally, in opposite directions and two electric conducting wires (9) and (10) run through the inside thereof, connecting the threaded ends (3) and (4), one by the internal portion of the threads and the other by the outer portion. Coupled to threaded end (3) is a locating terminal head (6), comprising a connector thread (11), hoop (12) and micro buzzer (13) which emits an acoustic signal when it strikes an obstacle; and coupled to the end (4) is a supply terminal (14), comprising a connector thread (15) and a battery (16) which supplies said buzzer (13). An intermediate connector terminal (17) with threads (18) and (19) is coupled to the threaded ends (3) or (4).</p> |
