E - Fixed Constructions – 06 – B
Patent
E - Fixed Constructions
06
B
160/11
E06B 3/38 (2006.01) E05F 15/16 (2006.01) E06B 9/11 (2006.01)
Patent
CA 1307193
Abstract The invention relates to a drive for closures of apertures, more particularly sectional gates. The sectional gate is made up of slats directly hinged to one another and guided in vertical and horizontal rails on both longitudinal edges. In the deflecting zone between the vertical portion and the horizontal portion of the aperture closure, associated with each edge of the aperture closure is a sprocket wheel engaging with a roller chain. The rollers of the roller chain are disposed on pivot pins borne by locking members. The locking members are inserted in the ends of every second hollow slat. The pivot pins are so arranged as to be in alignment with the hinge points of the slats hinged to one another.
595420
Firma Johann Henkenjohann
Kirby Eades Gale Baker
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