| 摘要 |
Within the guide brace(2) having support walls(17) and slot(20), the rectangular frame(6) of glide shoe(4) is connected to the piece(7) of the bracing system(3) with the hinze pin(5). The support plate(9) whichis extended to a couple of supporting body(11) towards the support walls of the guide brace is set up on the piece(7). The compression spring(12) which is set up on the gliding plate(13) is established on the supporting body. THe gliding plate glides tangential to the support walls.
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