Fire escape – ladder – or scaffold – Suspended platform
Patent
1997-06-27
1999-09-28
Brown, Peter R.
Fire escape, ladder, or scaffold
Suspended platform
403388, 403398, 411401, E04G 314
Patent
active
059572396
ABSTRACT:
A deck-retaining clamp assembly secures a corrugated deck panel to a support cable that underlies and supports the deck panel, the deck panel having in a lower web portion an elongated opening that overlies a segment of the support cable and extends transversely of the support cable. A U-bolt engages the cable from below, and a clamp plate is tightened against the upper surface of the deck panel by at least one nut threaded onto one leg of the U-bolt. A handle attached to one of the legs of the U-bolt permits manipulation of the U-bolt to engage it with the support cable. The handle has a grip portion that is shaped and dimensioned such that it cannot pass through the hole in the clamp plate and a shank portion that is movable through the hole in the clamp plate and is of a length such that the U-bolt can be moved down relative to the clamp plate to a position such that the upper end of the U-bolt is at a level below the lowermost extremity of the support cable. Thus, the U-bolt can be engaged with the cable segment by inserting it through the opening in the deck panel laterally adjacent the cable segment, lowering it relative to the clamp plate, displacing it and the clamp plate along the opening in the deck plate, and lifting it by the handle to engage the cable segment in nested relation in the loop portion.
REFERENCES:
patent: 629935 (1899-08-01), Sturgis
patent: 2422841 (1947-06-01), McClain
patent: 4046480 (1977-09-01), Leensvaart
patent: 4079487 (1978-03-01), Coop, Sr.
patent: 4295765 (1981-10-01), Burke
patent: 4940271 (1990-07-01), Steffes
patent: 5730248 (1998-03-01), Apostolopoulos
Brown Peter R.
Tran Hanh V.
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