Fire escape – ladder – or scaffold – Pole or strand grasping-type climber – Alternate grasping
Reexamination Certificate
2005-09-13
2005-09-13
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Pole or strand grasping-type climber
Alternate grasping
Reexamination Certificate
active
06942064
ABSTRACT:
A tree stand is provided having a main tubular structure for supporting the user, a contact blade assembly including a contact blade slidably coupled to said main structure, a gripping blade assembly including a gripping blade slidably coupled to the main tubular structure. The gripping blade assembly and the contact blade assembly are arranged to clamp the tree between the gripping blade and the contact blade, for engaging and abutting the tree stand against the surface of the tree. Furthermore, an adjusting device is coupled to the contact blade assembly and arranged to adjust the angular inclination of the main tubular structure.
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