Sash element for metal pivoted windows

Claim 1

IN A METAL WINDOW FRAME, A SASH ELEMENT COMPRISING A BASE SECTION, HAVING A CROSS SECTIONAL U SHAPED CHARACTERISTIC WITH PARALLEL SIDE WALLS AND A CONNECTING TRANSVERSE BOTTOM PORTION, SAID BASE SECTION FURTHER COMPRISING A PAIR OF INWARDLY EXTENDING ALIGNED WEBS INTEGRAL WITH THE PARALLEL SIDE WALLS OF THE SAID U SHAPED CROSS SECTION AND SPACED FROM THE ENDS THEREOF, SAID WEBS AND THE END PORTIONS OF EACH OF THE PARALLEL SIDE WALLS FORMING A PAIR OF SINGLE SIDED LONGITUDINAL CHANNELS; A PAIR OF WEATHER-STRIP ELEMENTS HAVING A BOTTOM AND SIDES, THE SAID WEATHER-STRIP ELEMENTS EACH DISPOSED IN THE SAID SINGLE SIDED CHANNELS WHEREIN THE BOTTOM OF EACH OF THE WEATHER-STRIP ELEMENTS RESTS UPON THE SAID WEBS AND ONE SIDE OF EACH WEATHER-STRIP ELEMENT ENGAGES THE SAID END PORTION OF THE U SHAPED BASE SECTION; RETAINER MEANS COMPRISING AN ELONGATED STRIP HAVING TWO PARALLEL EDGES, SAID STRIP DISPOSED INTERMEDIATE THE WEATHER-STRIP ELEMENTS AND IN ABUTTING ENGAGEMENT THEREWITH; AND MEANS SECURING SAID STRIP TO THE BASE SECTION, WHEREBY THE STRIP MAINTAINS THE WEATHER-STRIP ELEMENTS POSITIONED IN THE SINGLE SIDED CHANNELS BY PROVIDING A RETAINING SIDE FOR EACH CHANNEL RESPECTIVELY WITH THE TWO PARALLEL EDGES OF THE STRIP.