B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
271/52
B41F 13/02 (2006.01) B41F 13/03 (2006.01) F16G 3/02 (2006.01) F16G 13/00 (2006.01) F16G 13/02 (2006.01) F16G 13/24 (2006.01)
Patent
CA 1279337
ABSTRACT OF THE DISCLOSURE. To permit a threading roller chain for a printing machine to flex outside of a plane, for example parallel to the printing machine, and permit passage of the threading mechanism about turning bars and the like, the roller chain is formed of a plurality of bolt elements (1, 16) retaining rollers (2, 19) thereon, and rotatable within the guide track (15, 29). The bolt elements (1, 16) are connected by flexible, preferably steel cables or ropes (4, 5, 22), passed through holes (11, 23) in the bolts and retained therein by pinch or clamp deformation of the bolts. The cables or ropes accept tension forces between adjacent bolts and rollers. To accept compression forces, essentially non-compressible spacer elements (6, 24) are placed between adjacent bolts, preferably in form of tightly wound spiral springs, surrounding the respective cables or ropes. The cables or ropes, with the spacers thereabout, can be passed alongside a single roller (Figs. 1, 2) or centrally through the bolts and between a pair of rollers located on the bolts (Figs. 5, 6).
573348
Man Roland Druckmaschinen Ag
Ridout & Maybee Llp
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