. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . .; or whenthe clearance between the lowest moving part and thefloor is 8 in. or more, the guards shall be closed on thebottom, or extended on all exposed sides down to 6 the floor. (See Figs. 15, 26, 36-40, 42, 43, 49-54.) 10 Gears and Sprockets. All power-driven gears andsprockets shall be completely enclosed on exposedsides with standard guards as specified in Class A or B, 514 ELEVATORS except in cases where the d
. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . .; or whenthe clearance between the lowest moving part and thefloor is 8 in. or more, the guards shall be closed on thebottom, or extended on all exposed sides down to 6 the floor. (See Figs. 15, 26, 36-40, 42, 43, 49-54.) 10 Gears and Sprockets. All power-driven gears andsprockets shall be completely enclosed on exposedsides with standard guards as specified in Class A or B, 514 ELEVATORS except in cases where the design and operation of theparts to be guarded make a complete enclosure clearlyimpractical; in which case the face of the gears orsprockets shall be covered with a band guard surround-ing all exposed teeth, with flanges on both sides ex-tending inward beyond the roots of the teeth, and thereshall be a continuous smooth web cast or fitted betweenthe hubs and rims of the gears or sprockets. (SeeFigs. 1, 2, 3.) 11 Vertical and Inclined Belts, Ropes, Chains. Allvertical and inclined belts, ropes and chains used fortransmitting or distributing power (except belts trav-. (ZJ) hi) VERTICAL BELTS Figs. 4 to 27—Guards for Vertical Belts Floor-Cti) eling less than 120 feet per minute, or transmitting solittle power that accidental contact therewith couldcause no accident) shall be provided with standardguards as specified in Class A or B, 6 ft. high on ex-posed sides, or on exposed side and top, or with astandard handrail on exposed sides. (See Figs. 4 to 46,inclusive.) 12 Horizontal Belts, Ropes, Chains. All horizontalbelts, ropes and chains used for transmitting or distrib-uting power (except belts traveling less than 120 min., or transmitting so little power that accidentalcontact therewith could cause no accident) shall beguarded as follows: 13 Low Belts. If the upper part of the belt is lowerthan 6 ft. above the floor or working platform, it shallbe provided with standard g
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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjecthoistingmachinery
