| 摘要 |
<p>A saw chain drive device includes a clutch drum (21) and a fixed drive sprocket (1). The clutch drum (21) comprises an end wall (22) provided with apertures (26) which are radially spaced from the axis of rotation of the saw chain drive device and are located so as to receive projections (6) extending from teeth (4) on the drive (1). The fixed drive sprocket (1) is then rotationally immovable relative to the clutch drum (21).</p> |
