Static structures (e.g. – buildings) – With lifting or handling means for primary component or... – Construction or component having means to engage hand or...
Patent
1981-04-13
1983-06-07
Perham, Alfred C.
Static structures (e.g., buildings)
With lifting or handling means for primary component or...
Construction or component having means to engage hand or...
521277, 52514, 52701, 52716, F04G 2100, F04G 2112, B66C 166
Patent
active
043864864
ABSTRACT:
A plug frictionally fits within the lifting eye of an anchor insert of a tilt-up wall slab. The plug is provided with pin receiving passageways whereby a pin-bearing cover plate may be attached to the plug to cover over the access recess to the anchor insert.
REFERENCES:
patent: 1970860 (1934-08-01), Lowell
patent: 3200551 (1965-08-01), Jakeway
patent: 3531068 (1970-09-01), Fischer
patent: 4270328 (1981-06-01), Page et al.
Holt Neil L.
Olsen William G.
Perham Alfred C.
The Burke Company
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