Two-action gate requiring two steps to open

Details Two-action gate requiring two steps to open Two-action gate requiring two steps to open

2011-05-31

2011-05-31

Strimbu, Gregory J. (Department: 3634)

Movable or removable closures

With protective grille or safety guard

Removable

C049S056000, C049S050000, C049S463000

Reexamination Certificate

active

07950184

ABSTRACT:
To open a two-action gate, a sliding of a latch and a lifting of the gate to disengage a double stop is required. Performing one step without the other fails to open the gate. The gate is engaged in a frame which may in turn be engaged in a partition or doorway. Via a thumb tab, a portion of the latch can be slid out of the frame. Then the gate is lifted to lift the double stop up and clear of a lower portion of the frame such the gate is swingable. The gate is journaled to a vertically running frame member which serves as the swinging and sliding axis for the gate.

REFERENCES:
patent: 4611431 (1986-09-01), Lauro
patent: 4685247 (1987-08-01), Alam
patent: 5396732 (1995-03-01), Andersen
patent: 6446395 (2002-09-01), Rogers
patent: 7131235 (2006-11-01), Hicks
patent: 2003/0005643 (2003-01-01), Yang
patent: 2003/0009945 (2003-01-01), Cheng
patent: 2003/0110704 (2003-06-01), Cheng
patent: 2004/0045222 (2004-03-01), Hicks
patent: 2007/0074453 (2007-04-01), Flannery

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