Closure fasteners – Bolts – Emergency operating means
Patent
1997-01-22
1998-06-16
Meyers, Steven N.
Closure fasteners
Bolts
Emergency operating means
292240, 292252, E05B 6510
Patent
active
057658838
ABSTRACT:
A pressure relief latch for latching a first panel to a second panel and for release under pressure, including a housing for mounting on the first panel, a spring loaded detent carried in the housing, and a bolt having a pivot axis and pivotally mounted on the housing for latching engagement with the second panel, with the detent including a free roller and a compression spring positioned along a central spring axis perpendicular to the pivot axis, and with the bolt having a curved exterior shape with a detent notch for receiving the roller. The housing is closed about the spring except for a threaded opening at one end and a roller opening at the other end, and a threaded plug is positioned in the threaded end for loading adjustment. The roller may be spherical or cylindrical.
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Hartwell Catalog, pp. 6.1, 6.2, 6.3, 6.4 and 6.5.
Hartwell Drawing H2620.
Hartwell Drawing H2371.
Hartwell Drawing H3916.
Dessenberger Arthur W.
Jackson Frank Thomas
Estremsky Gary
Hartwell Corporation
Meyers Steven N.
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