Fire escape – ladder – or scaffold – Pole or strand grasping-type climber
Reexamination Certificate
2007-05-03
2010-11-02
Mitchell, Katherine W (Department: 3634)
Fire escape, ladder, or scaffold
Pole or strand grasping-type climber
C182S187000
Reexamination Certificate
active
07823694
ABSTRACT:
A motorized, climbing tree stand ideal for hunting has a rigid elongated, track constructed from multiple, axially aligned sections attached to a tree trunk. A carriage supporting a seat and footrest is coupled to a shuttle assembly that engages the track. The shuttle assembly mounts a battery-powered motor and a motor-driven gear that engages a toothed rack on the elongated track, moving the carriage vertically upwardly or downwardly in response to motor operation. A hand switch controls a reversing relay to control motor direction. Each track section comprises a rigid, elongated flange with an elongated, tubular sleeve terminating in a reduced diameter coupling tube that coaxially mates with the base of the sleeve in the neighboring section. Alignment rods near the upper ends of each sleeve reinforce the assembly. Adjustable, L-brackets contact the tree for bracing. Track flanges are slidably constrained between suitable rollers secured to shuttle side walls.
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Bradford Candace L.
Carver Stephen O.
Mitchell Katherine W
Motes Outdoor Equipment, LLC
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