Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1986-06-27
1988-03-01
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
108152, A45F 326, A47C 910
Patent
active
047279613
ABSTRACT:
A portable, foldable tree stand (10) upon which a hunter may be seated. The tree stand has a vertical rigid back support member (11) with means (22) for releasably securing the back support member to a tree trunk (20). A seat (23) is pivotally mounted to the back support member (11) intermediate its length and movable from a vertical to a horizontal position to support a hunter in a seated position. A foldable (50) footrest pivotally depends from the seat (23) with the seat (23) being provided with pivotable bracing means (40) releasably connected to the back support member, and footrest bracing means pivotally connected to the seat (23) and to the footrest (50). Flexible, adjustable web strap means (13,18) are secured to the back support member to encircle a tree trunk (20) and to encircle the torso of a hunter seated in the seat. In a second embodiment, a seat (104) pivots about an axis (125) such that the seat (104) travels over the top portion of a vertical back member (102) to alternate between an open configuration and a closed configuration. A foldable footrest (106) depends from the vertical back member (102) to support the feet of a hunter below the seat member. In a third embodiment, the vertical back member (102) of the second embodiment is lengthened to accommodate a backrest (200).
REFERENCES:
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patent: 3871482 (1975-03-01), Southard
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patent: 4236602 (1980-12-01), Leggett
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