| 摘要 |
Universal window structure which may be used as a single hung window, as a hopper window and as a right or left hand glider window without alteration is disclosed. Mulling means for securing a plurality of the window structures together, retaining clips for securing a screen thereto, false muntin structure, hurricane clips and piggyback storm window structure therefor and window trim structure for use therewith are specifically disclosed along with unique glazing strips, an insert for supporting sash balance structure, sealing strips and corner inserts, sash pivot structure, lock structure, sash guide and tilt release structure and hopper lock means for retaining the window sash in a plurality of separate tilted hopper positions. The frame of the window structure is constructed to permit rapid, accurate assembly with a minimum of low tolerance parts and to this end includes frame jamb adaptor extrusions. In addition, the total frame design allows many design variations whereby the universal window structure may be applied to and fit different building needs without additional job working or processing. |
