Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1985-04-15
1986-07-15
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Scaffold external of shaft
108152, 182 92, A01M 3102, A45F 326, A47C 910
Patent
active
046000810
ABSTRACT:
An improved portable tree seat for hunters and outdoorsmen comprising two symetrical and substantially triangular tree engaging support members whose frontal or vertical face protrusions engage the tree at four distinct locations, and whose rearward horizontal top edges support and interconnect with the seat which in conjunction with two lateral interconnecting members, provide separation and permanent attachment of two tree engaging support members. The entire seat device is held tightly against the tree and locked thereunto by a steel chain which can be adjusted to varying tree diameters by selection of the appropriate link. One end of the chain is permanently affixed to the upper exterior face of one tree engaging support members by means of a free wheeling steel eyelet bolt and with the chain encircling the tree, is then selectively secured to the opposing tree engaging support member's upper exterior face by means of a free wheeling swivel hook. The seat device is initially positioned to the tree in a vertical orientation and with the chain attached is then forced downward into a locked horizontal attitude to the tree. In this position, the invention may be utilized by itself as a tree seat, or as a seat used in combination with stationary tree platforms or climbing tree platforms, or as an aid-assit to tree climbing platforms. It may also be used as a horizontal support for heavy loads or as a platform to support a camping stove or latern etc.
REFERENCES:
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patent: 4109761 (1978-08-01), Matlock
patent: 4113057 (1978-09-01), Bessinger
patent: 4113058 (1978-09-01), Kobosh
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