Interlock for sliding window or door frame assemblies

Details Interlock for sliding window or door frame assemblies Interlock for sliding window or door frame assemblies

1997-02-18

2000-03-28

Redman, Jerry

Movable or removable closures

With means mounting closure for reciprocation

Interengaging meeting rails

E05D 1506

Patent

active

060415525

ABSTRACT:
An two-piece interlock for sliding window or door frame assemblies comprises a glazing bead secured to a sash frame for engaging a sealed glass unit; and an elongated seal having a T-shaped rail slidable to a limited extent within a longitudinal slot formed in the glazing bead. The seal extends between the sash frames when they are moved to closed positions. The glazing bead and seal on one of the sash frames together define an elongated slot for receiving a tongue formed on the other sash frame in the closed position. The sash frame carrying the glazing bead and seal is slidable to a limited extent relative to the seal to facilitate installation or removal of the sash frame from the outer window or door frame.

REFERENCES:
patent: 3566950 (1971-03-01), Collins
patent: 4064653 (1977-12-01), Randall et al.
patent: 4151682 (1979-05-01), Schmidt
patent: 4202137 (1980-05-01), Randall
patent: 4580366 (1986-04-01), Hardy
patent: 4831781 (1989-05-01), Morton

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