| 摘要 |
<p>The assembly has upper and lower holder arms (2,4), and upper and lower fasteners (5,5') for the saw blade. It further comprises an adjusting seat (3) between one of the holder arms and the corresponding fastener. A compression spring (33) is located on the adjusting seat, and is under tension against the holder arms. The adjusting seat has a protrusion (31) at its upper side, on which the spring rests. There is a hole at the upper surface of the adjusting seat, in which a pin (24) is fed. The pin is guided through the holder arm and has an eccentric hole (241) in relation to the lower edge.</p> |
