B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
B07B 1/34 (2006.01) B07B 1/00 (2006.01) B07B 1/42 (2006.01) B07B 1/46 (2006.01)
Patent
CA 2228790
A mobile screening apparatus can be vibrated by two similarly-constructed vibration units that are mounted on or near the front and rear walls of the box that contains the vibrating screen assembly. Each vibration unit comprises an hydraulic motor having a stub drive shaft and a circular eccentric cam or weight carried on the shaft. The screen assembly has connections to the circular cams or weights, whereby motor rotation vibrates the screen assembly. The use of stub shafts eliminates whipping shaft motions associated with conventional elongated shafts spanning the screen assembly.
Dispositif de tamisage mobile pouvant vibrer sous l'action de deux unités de vibration, de construction semblable, montées sur les parois avant et arrière de la boîte contenant le tamis vibrant, ou à proximité. Chaque unité de vibration comprend un moteur hydraulique ayant un arbre court ainsi qu'une came excentrique circulaire, ou contrepoids, solidaire de l'arbre. Le tamis est relié aux cames circulaires ou contrepoids de façon que la rotation du moteur le fasse vibrer. L'utilisation de l'arbre court élimine le fouettement associé aux arbres classiques plus longs qui courent sur toute la longueur du tamis.
Finlayson & Singlehurst
Johnston Rafe
LandOfFree
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