Method and apparatus for extending a frame

Details Method and apparatus for extending a frame Method and apparatus for extending a frame

E - Fixed Constructions

06

B

E06B 3/00 (2006.01) E06B 1/34 (2006.01) E06B 1/62 (2006.01) E06B 3/54 (2006.01)

Patent

CA 2203111

The present invention provides an assembly for extending the effective depth of a frame (510) secured within an opening having a depth greater than that of the frame (501-504) itself. A channel (515) is associated with each segment of the frame (501-504) and opens in the direction in which added frame depth is desired. Each channel (515) has a similar, half-dovetail profile, and a frame extending member (550a-b, 650a-b) is associated with each channel (515). Each frame extending member (550a-b, 650a-b) has a profile that includes a first portion (560, 660) which is rotatable into engagement with a respective channel (515), and a second portion (553-554, 653-654) which extends in the desired direction when the first portion (560, 660) is retained within the channel (515).

La présente invention concerne un ensemble permettant d'accroître la profondeur effective d'un châssis (510) scellé dans une embrasure dont l'épaisseur est supérieure à la profondeur du châssis (501-504) lui-même. A chaque segment du châssis (501-504) correspond une rainure (515) ouvrant dans la direction dans laquelle on souhaite donner plus de profondeur au châssis. Toutes les rainures (515) présentent un même profil en demi-queue-d'aronde. Le profil de tous les éléments d'approfondissement (520) du châssis comporte une première partie (501) s'engageant par rotation dans la rainure correspondante, et une seconde partie (650a) débordant dans le sens voulu lorsque la première partie (501) est maintenue dans la rainure (515).

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