| 摘要 |
A support member includes a coupling piece that defines a support piece aperture extending through the coupling piece and that includes a coupling arm that extends from a location on the coupling piece that is spaced apart from the support piece aperture. The support member also includes a support piece that defines a coupling arm aperture, wherein the coupling arm is located in the coupling arm aperture. A support surface engagement member extends from the support piece and through the support piece aperture, wherein the support surface engagement member comprises an engagement surface and a stop member that extends from a surface on the support surface engagement member that is opposite from the engagement surface.
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