| 摘要 |
<p>The upper end of the saddle support frame (1) of the bicycle is angled into a horizontal section, pressed into a solid part through which two vertical bores aredrilled. Adjusting bolts (2, 3) are set in the bores with the upper ends screwed into sprung clamps (8, 9) which grip the support frame of the saddle. A horizontal shaft is set through the frame to provide the tilt axis for the saddle.</p> |
