Fire escape – ladder – or scaffold – Self-sustaining
Patent
1984-06-18
1986-12-30
Britts, Ramon S.
Fire escape, ladder, or scaffold
Self-sustaining
182178, 403 49, 403385, E04G 116, F16B 700
Patent
active
046322213
ABSTRACT:
Ladder frames for shoring structures are assembled into towers using cross-braces clamped to the columns of the frames. The towers several tiers high are braced one to another by secondary braces, also clamped to the columns of the frames. Disclosed is a connector that permits two secondary braces to be joined to the column at a single location. The connector is such that one secondary brace is set to lie horizontally, whereas the other may lie diagonally. The connector includes bands which may be clamped and tightened onto the columns and braces, and the tightening means is not detachable from the connector; clamping wedges and bolts are provided which are all captive.
REFERENCES:
patent: 2461762 (1949-02-01), O'Donnell
patent: 2477696 (1949-08-01), Kohnke
patent: 3385545 (1968-05-01), Patton
patent: 4011638 (1977-03-01), Holt
patent: 4059872 (1977-11-01), Delesanri
Britts Ramon S.
Chin-Shue Alvin
Hewson Donald E.
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