B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 23/00 (2006.01) B24B 23/02 (2006.01)
Patent
CA 2202981
The roller and belt assembly (10) for mounting on a spindle or drive shaft (20) comprises a closed loop belt (42) having an inner surface (50) and an outer surface (40), the inner surface (50) having an engaging material (52) thereon, and the outer surface having an abrasive or buffing material thereon. The assembly further includes a cylindrical roller (48) having an outer cylindrical surface, having a longitudinal axis and having a resilient, compressible material (60) attached to and covering the outer cylindrical surface. Sliding and engaging structure (62) is attached to the resilient, compressible material which, when the belt is rotated in the first direction, allows the belt (42) to slidingly rotate around and about the longitudinal axis of the roller and, when the belt is rotated in a second direction, the sliding and engaging structure (62) engages the engageable material (52) on the inner surface of the belt and prevents the belt from rotating about the roller.
Un ensemble rouleau et bande (10), destiné à être monté sur un arbre d'entraînement ou une broche (20), comprend une bande fermée (42) dotée d'une surface interne (50) et d'une surface externe (40), la surface interne (50) étant pourvue d'un matériau de contact (52) et la surface externe d'un matériau abrasif ou de polissage. L'ensemble comprend en outre un rouleau cylindrique (48) pourvu d'une surface cylindrique externe, présentant un axe longitudinal et comportant un matériau compressible souple (60) fixé à ladite surface et la recouvrant. Une structure de contact coulissante (62) est fixée au matériau compressible souple de sorte que, lors de la rotation de la bande (42) en une première direction, celle-ci peut tourner en glissant autour de l'axe longitudinal du rouleau, et, lors de la rotation de la bande en une deuxième direction, la structure de contact coulissante (62) met le matériau compressible souple en contact avec la surface interne de la bande et l'empêche de tourner autour du rouleau.
Ridout & Maybee Llp
S-B Power Tool Company
LandOfFree
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