Patent ID: 9695631
Date: 2017-07-04
CPC Classifications: E06B

Claim:
1. A built-in blind assembly, comprising: light-transmissive first and second outer panels spaced apart from and facing each other in a front-rear direction; a blind unit disposed between said first and second outer panels; a frame unit disposed between said first and second outer panels and including a top frame disposed above said blind unit; a top rail unit disposed between said first and second outer panels and between said top frame and said blind unit, said top rail unit including a top rail seat that is removably connected to said top frame and that defines a top accommodating cavity having an open side adjacent to said second outer panel, and a top cover that is removably connected to said top rail seat for covering and uncovering said open side of said top accommodating cavity; and a cord-driving unit that is disposed in said top accommodating cavity, that is coupled to said blind unit, and that is operable to control operation of said blind unit; wherein said top rail seat has a base wall that extends between said top frame and said blind unit and that is disposed adjacent to said first outer panel, a first compartment wall that extends from a top end of said base wall toward said second outer panel, and a second compartment wall that extends from a bottom end of said base wall toward said second outer panel, and that cooperates with said base wall and said first compartment wall to define said top accommodating cavity; wherein said top rail unit further includes a top connecting seat that interconnects said top frame and said first compartment wall; wherein said top connecting seat has a pair of positioning structures that project away from said blind unit and that are spaced apart from each other in the front-rear direction, each of said positioning structures defining a positioning groove that opens toward an adjacent one of said first and second outer panels; and wherein said top frame has a pair of positioning segments each releasably interlocking with a respective one of said positioning structures at said positioning groove.