Fire escape – ladder – or scaffold – Scaffold external of shaft
Patent
1974-07-10
1976-04-13
Frazier, Roy D.
Fire escape, ladder, or scaffold
Scaffold external of shaft
108152, 248221F, A47C 910
Patent
active
039498352
ABSTRACT:
A foldable stool which may be compactly folded for carrying and storage, and which may be quickly unfolded and mounted on a tree trunk, comprising a pair of spaced-apart lateral frame members having a seat mounted at one end and a tree-engaging supporting member pivotally connected at one end to the other ends of the lateral frame members, a chain adapted to engage the end of the lateral frame members at the pivotal connection on one side and to be wrapped around a tree trunk and fastened to the other side of the ends of the lateral frame members at the pivotal connection, and stop means to maintain said lateral frame members and said supporting member in fixed relationship in the operative position, while permitting said supporting member to pivot upwardly and to fold over the top of the lateral frame members for storage.
REFERENCES:
patent: 2394203 (1946-02-01), Pruder
patent: 2512174 (1950-06-01), Roeder
patent: 2855980 (1958-10-01), Konieczka
patent: 2959297 (1960-11-01), Larson
patent: 3358789 (1967-12-01), Laun
patent: 3392802 (1968-07-01), Moore
patent: 3598201 (1971-08-01), Thurmond
patent: 3729160 (1973-04-01), D'Imperio
Frazier Roy D.
Hueschen Gordon W.
Marquette Darrell
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