Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1998-01-06
1999-08-17
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Scaffold external of shaft
A01M 3100
Patent
active
059379693
ABSTRACT:
A portable tree seat for temporary mounting to a tree includes a frame which has an upright stanchion and a lower fork mounted thereto for partly straddling a tree. An upper lug is mounted to an upper portion of the upright stanchion and a generally U-shaped armrest frame is mounted to the upright stanchion. A seat bottom is suspended from the armrest frame and a lanyard is coupled to the upper lug and adapted to be draped about and secured about the tree to suspend the frame from the tree. With this construction, the portable tree seat is suspended by the lanyard and is stabilized by the fork partly straddling the tree.
REFERENCES:
patent: 4120379 (1978-10-01), Carter
patent: 4474265 (1984-10-01), Shinkle
patent: 5086874 (1992-02-01), Treants
patent: 5143177 (1992-09-01), Smith
patent: 5234077 (1993-08-01), Sheriff
patent: 5297656 (1994-03-01), Amacker
Woller John A.
Woller Ronald R.
Chin-Shue Alvin
Summit Specialties, Inc.
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