Sash frame

Claim 1

A SASH FRAME ASSEMBLY COMPRISING UPER AND LOWER MOUNTING CHANNEL MEMBERS HAVING OPPOSED INNER SURFACES AND ADAPTED FOR FASTENING TO A WINDOW OPENINGG FRAME WITH THEIR CHANNEL OPENINGS IN OPPOSED RELATION A PANE HOLDING ELEMENT OF LESS THICKNESS THAN THE INTERIOR WIDTH OF SAID CHANNEL MEMBERS FOR INSERTION THEREIN, SAID PANE HOLDING ELEMENT BEING FORMED OF A SUBSTANTIALLY RIGID MATERIAL AND IN CROSS SECTION HAVING A BODY PORTION, A RIGID FIRST WALL EXTENDING FROM SAID BODY PORTION AT RIGHT ANGLES THERETO AND HAVING A STRAIGHT PANE ENGAGING SURFACE ADAPTED FOR FLUSH ABUTMENT BY A PANE TO BE MOUNTED IN SAID ELEMENT, A SECOND WALL EXTENDING FROM SAID BODY PORTION IN THE SAME GENERAL DIRECTION AS SAID FIRST WALL BUT INCLINED INWARDLY TOWARD SAID FIRST WALL, SAID SECOND WALL FORMING A PANE RECEIVING CHANNEL WITH SAID FIRST WALL AND TERMINATING IN AN ENLARGEMENT PROVIDED WITH A FLAT END EDGE ANGULARLY DISPOSED RELATIVE TO SAID SECOND WALL FOR DIRECTING A PANE INTO THE PANE RECEIVING CHANNEL, SAID SECOND WALL HAVING AN OUTER SURFACE AND SAID ENLARGEMENT PROJECTING OUTWARDLY BEYOND SAID OUTER SURFACE, MEANS DEFINING A CUTOUT PORTION IN SAID SECOND WALL ADJACENT ITS JUNCTURE WITH SAID BODY MEMBER WHEREBY SAID WALL IS YIELDABLE FOR VARYING THE WIDTH OF THE PANE RECEIVING CHANNEL ADJACENT THE END OF THE SECOND WALL TO ENGAGE PANES OF VARYING THICKNESSES, A THRID WALL EXTENDING AT RIGHT ANGLES FROM SAID BODY PORTION IN A DIRECTION OPPOSITE FROM SAID FIRST AND SECOND WALLS AND HAVING AN OUTER SURFACE, SAID THIRD WALL HAVING A GROOVE OPENING THROUGH ITS OUTER SURFACE AND BEING DISPOSED NORMAL TO THE PANE RECEIVING CHANNEL, A RESILIENT SEALING MEMBER MOUNTED IN THE GROOVE IN SAID THIRD WALL HAVING A FLEXIBLE TONGUE PROJECTING OUTWARDLY INTO ENGAGEMENT WITH ONE OF SAID INNER SURFACES OF SAID MOUNTING CHANNEL MEMBERS, AND A FOURTH WALL EXTENDING FROM SAID BODY PORTION IN PARALLEL SPACED RELATION TO SAID THIRD WALL, SAID FOURTH WALL HAVING AN OUTER SURFACE ENGAGEABLE WITH THE OTHER INNER SURFACE OF SAID MOUNTING CHANNEL MEMBERS.