B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 1/14 (2006.01)
Patent
CA 2069830
Device for raising and lowering a modular aircraft window having an interpane, outerpane, frame assembly securing the inner and outer pane, collapsible shade with a fixed and movable end, the device comprising a block and tackle having a movable pulley and more than one fixed pulley, the movable pulley and fixed pulleys connected by a cable fixed at one end and attached at second end to the moving end of the collapsible shade. Moving the movable pulley effects a movement, through the cable, through the moving end of the collapsible shade, and creates a mechanical advantage multiplying the distance moved by the lever.
Msa Aircraft Products Inc.
Ridout & Maybee Llp
LandOfFree
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