. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . (fl) («> INCLINED BELTS ,..,5) Figs. 28 to 46—Guards for Inclined Belts all tight- and loose-pulley belts, and shall be so de-signed and constructed that ordinary vibrations or acci-dental contact will not alter the set position, and shallhave a controlling handle conveniently located. (SeeFigs. 61-63.) 19 Pulleys. Pulleys belted from above or from theside in such a way as to allow passage beneath thepulley, and within 7 f
. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . (fl) («> INCLINED BELTS ,..,5) Figs. 28 to 46—Guards for Inclined Belts all tight- and loose-pulley belts, and shall be so de-signed and constructed that ordinary vibrations or acci-dental contact will not alter the set position, and shallhave a controlling handle conveniently located. (SeeFigs. 61-63.) 19 Pulleys. Pulleys belted from above or from theside in such a way as to allow passage beneath thepulley, and within 7 ft. of the floor or working platformand not completely enclosed by standard belt guards orhandrails, shall be guarded to the top of the pulley or A CODE OF SAFETY STANDARDS 515 to a height of 7 ft. above the floor or working platformon exposed sides and beneath by guards as specifiedin Class A or B, or be enclosed on exposed sides bystandard handrails. (See Figs. 64-67). 20 Bearing Clearance. The clearance on shaftingbetween pulleys and bearings or between pulleys and. tsj) (to) HORIZONTAL BELTS Figs. 47 to 60—Guards for Horizontal Belts fixed objects shall be not less than 36 in. and widerthan the belt, or the pulleys shall be guarded on thenear side with stationary guards as specified in ClassA or B, and all revolving objects in the clearance shallbe smooth, cylindrical and concentric with guards shall be required when a runway is installed.(See Figs. 68-73.) 21 Belt Clearance. The clearance on shafting be-^tween pulleys and pulleys, collars, couplings or otherrevolving attachments shall be wider than the widestbelt used, or the pulleys shall have flanges or guards toprevent the belt from dropping into the clearance. (SeeFigs. 68-73.) 22 Abandoned Pulleys. Pulleys without belts shallbe guarded as though belted, or removed from revolv-ing shafts. 23 Clutches. Friction clutches, jaw clutches andcompression clutches within 7 ft. of the floor or work-ing platform
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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjecthoistingmachinery
