Apparatus for opening and holding a frame and a method of...

Details Apparatus for opening and holding a frame and a method of... Apparatus for opening and holding a frame and a method of...

G - Physics

02

B

269/10, 40/61.5

G02B 27/00 (2006.01) G02B 7/00 (2006.01)

Patent

CA 1324157

ABSTRACT Apparatus for opening and holding a frame of the type that is flexible between open and closed positions and that forms an opening. The apparatus comprises a mounting member defining a seating surface adapted to seat against the frame; and an expansion member connected to the mounting member, and adapted to extend into the opening of the frame to force the frame into the open position, and to hold the frame in the open position when the frame is seated on the mounting member. In operation, the frame is placed on the mounting member, the expansion member is forced through the opening in the frame to spread the frame from its closed position to its open position, and an optical plate is placed in or removed from the frame. Once this is done, the expansion member is withdrawn from the opening in the frame to return the frame to its closed position, and the frame is removed from the mounting member.

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