Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn...
Patent
1994-11-21
1996-08-20
Kannan, Philip C.
Movable or removable closures
Up-and-over type; e.g., moves from vertical to withdrawn...
49203, 49381, 49388, 49506, E05D 1538
Patent
active
055467032
ABSTRACT:
A pivotable safety gate having a pair of spaced apart parallel support frames which each have a distal end and a proximal end. The frames each have a support stanchion which is disposed adjacent the proximal end of the frame. The stanchions support a pivotable pair of gates. When one gate is down, the other gate is up. This gate assembly is utilizable at mezzanine floors where security and safety at edges of those floors are important. The gates prevent accidents and improper entry into areas which should be off limits to passage.
REFERENCES:
patent: 2874819 (1959-02-01), Nutter
patent: 3497998 (1970-03-01), Thomas
patent: 4041646 (1977-08-01), Mittag
patent: 4150510 (1979-04-01), Harrison et al.
patent: 4422264 (1983-10-01), Harris
patent: 4538379 (1985-05-01), Vargo
patent: 5241789 (1993-04-01), Vacelet
Halgren Don
Kannan Philip C.
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