Fire escape – ladder – or scaffold – Scaffold external of shaft
182135, A47C 910
A tree stand is disclosed as having an seating unit and unit to assist in climbing. The tree stand includes a main frame that extends outwardly from a tree and has a seat frame thereon that engages the front of a tree. An engagement bar attaches to the mainframe, surrounds the tree and engages the rear of the tree. A horizontal frame having a platform section thereon is mounted to the main frame below the seat. This platform frame is mounted to the main frame such that it does not engage the tree during ascension of the tree. There is also a means for securing the platform frame against the tree which may include a cinch and rachet set. When a user reaches the desired height, the rachet and cinch is used to secure the platform to the tree so the tree stand has three engagement points stabilizing it against the tree. A rest frame may also be secured to the tree stand above the seat.
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patent: 5143176 (1992-09-01), Burdette
patent: 5205375 (1993-04-01), Shriver
Chin-Shue Alvin C.
Warren & Sweat Manufacturing Company
Wolter Robert L.
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