| 摘要 |
The present invention concerns a mechanism for adjusting the angle of an auxiliary support mounted on an auxiliary support mechanism. The mechanism may have a first member having a plurality of surfaces mounted on the end of an auxiliary support mechanism. The mechanism may also have a second member having a plurality of surfaces slideably enveloping said first member. The mechanism may still further have a third member movably connected to the auxiliary support mechanism as well as a spring member.
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