| 摘要 |
<p>The invention relates to a brake actuation mechanism having first (25) and second (35) adjusting mechanism. The first adjusting mechanism (25) includes a cam member (27) that engages a portion of a lever member (20). The cam member (27) includes a plurality of cam surfaces (27c - i). Each of the cam surfaces (27c - i) is configured so that, when engaged with the lever member (20), they define a different brake disengagement position for the lever member (20). Each brake disengagement position corresponds to a corresponding position of brake shoes.</p> |
