| 摘要 |
<p>A mounting means for securing alternative grinding wheels to the output shaft (11) of a portable rotary grinding machine, comprises a threaded clamping means (28) for engaging a thread on the output shaft (11) and a support hub (10) rigidly mounted on the output shaft (11) and formed with two separate annular and axially facing contact surfaces (13, 14), and two alternatively applicable flanged clamping elements (20, 23), each formed with an annular contact surface (21 and 24, resp.) matching either of the contact surfaces (13, 14) of the hub (10) and intended to form a grinding wheel mounting means in cooperation with the threaded clamping means (28).</p> |
