Supports – Props and braces – Heads and bases
Patent
1995-06-27
1997-10-28
Chin-Shue, Alvin C.
Supports
Props and braces
Heads and bases
248237, 248300, 52639, 52640, E01G 2500
Patent
active
056810210
ABSTRACT:
A system for lifting and supporting a roof including a jack and a pair of jack mounting brackets. One of the mounting brackets is attached to a roof truss and the other of the mounting brackets is attached to a ceiling joist. The jack extends between the mounting brackets, and has reduced diameter ends which are received within enlarged openings in the mounting brackets.
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Chin-Shue Alvin C.
Smith Richard M.
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