Window vent

Details Window vent Window vent

1980-02-14

1986-06-17

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

With latch or lock

49 63, 98 9901, E05D 1300

Patent

active

045948135

ABSTRACT:
In a window sash of the kind which in use is vertically movable within a stationary frame, an assembly for holding the sash at an elevated, partially open position in the frame comprising: at least one stop element carried within a downwardly open recess in said sash and mounted in said recess for free sliding movement in the plane of the sash between a retracted position in the recess and an extended position in which a portion of the stop element protrudes out of said recess; and a manually operable latch carried by said sash selectively operable to hold said stop element in its extended position and to release said element for free sliding movement within said recess, whereby raising of said sash in its frame allows said stop element to move to its extended position and whereby said element may then be latched in its extended position.

REFERENCES:
patent: 1247622 (1917-11-01), Berrigan
patent: 4283883 (1981-08-01), Sterner, Jr.
patent: 4320597 (1982-03-01), Sterner, Jr.

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