| 摘要 |
A tree stand of the present invention includes a base defining a tree area, at least one positioning jaw, and at least one securing jaw. The tree stand also includes a pneumatic actuator assembly that actuates the securing jaw in a first direction into the tree area. When the jaws are against the tree they form a clamp that holds the tree upright in the tree area. The tree stand also includes a pneumatic release valve assembly that actuates the securing jaw in a second direction out of the tree area.
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