Quick-release attachment for core body in concrete casting formwork
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United States of America Patent
Stats
-
May 17, 1983
Grant Date -
N/A
app pub date -
Oct 5, 1981
filing date -
Oct 4, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quick-release bayonet-type attachment between a core body and a plank of a concrete casting formwork, the core body being of oblong arcuate outline and holding in a central groove the eye portion of an anchor member, the bayonet-type attachment including a bayonet lock plate embedded in the core body and a cooperating threaded rod with a bayonet lock head. The lock plate and the cooperating head have non-circular cross sections, the lock plate being accessible through an upper bore portion of matching cross section, the bore portion below the lock plate having flexible walls and a rotationally offset non-circular cross section.
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