B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
198/12.01, 198/4
B65G 35/00 (2006.01) A47H 5/06 (2006.01) B65G 35/06 (2006.01) F16K 1/12 (2006.01)
Patent
CA 1083514
ABSTRACT OF THE DISCLOSURE A device for moving a curtain between an open and a closed position comprising a rotatable shaft of circular cross section, means for rotating the shaft in one and in an opposite direction, and a plurality of suspension means arranged spaced from each other along and suspended on the shaft and each com- prising at least two rolls circumferentially spaced about and frictionally engaging the shaft, and a hook-shaped frame extend- ing only partly about the shaft and carrying the rolls whose axes of rotation are inclined to the longitudinal axis of the shaft at the same fixed angle, the frame having a lower end portion below and vertically aligned with the shaft axis and ending in a hook so that successive portions of a curtain may be connected to the hooks of successive suspension means and the curtain be moved between an open and a closed position during rotation of the shaft in the one and the opposite direction, the axes of the pairs of rolls on successive suspension means being angled to the shaft axis at a fixed angle which increases from one to the next suspension means so that successive suspension means move during rotation of the shaft with increasing speeds.
290077
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Uhing Joachim
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