Movable or removable closures – Closures interconnected for concurrent movement – Closures mounted for swinging
Patent
1996-11-26
1998-01-20
Redman, Jerry
Movable or removable closures
Closures interconnected for concurrent movement
Closures mounted for swinging
49104, 49203, E05C 706
Patent
active
057090505
ABSTRACT:
A staging area for an elevated mezzanine or platform includes side railings and elevated center stanchions providing a pivot for a gate assembly alternately closing the ends of the side railings enclosing at all time at least three sides of the staging area. The two gates of the assembly extend at right angles to each other and when one is vertical and down, the other is horizontal and up. The main side frames of the gate assembly are M-shape with splayed legs, and the assembly is pivoted to the tops of the stanchions at the vertex of the center V of the M.
REFERENCES:
patent: 4014133 (1977-03-01), Brown
patent: 4041646 (1977-08-01), Mittag
patent: 4150510 (1979-04-01), Harrison et al.
patent: 4422264 (1983-12-01), Harris
patent: 4538379 (1985-09-01), Vargo
patent: 4580413 (1986-04-01), Klee
patent: 5546703 (1996-08-01), Conway
Benko Engineering, Inc.
Redman Jerry
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