Canadian machinery and metalworking (July-December 1917) . ical and concen-tric with shafting. (See Figs. 68-73.) Belt Clearance—The clearance onshafting between pulleys and pulleys, col-lars, couplings or other revolving attach-ments shall be wider than the widest belt FIGS. 28 TO 46. GUARDS FOR INCLINEDBELTS. used, or the pulleys shall have flanges orguards to prevent the belt from droppinginto the clearance. (See Figs. 68-73.) Abandoned Pulleys—Pulleys withoutbelts shall be guarded as though belted,or removed from revolving shafts. Clutches—Friction clutches, jawclutches and compression clu
Canadian machinery and metalworking (July-December 1917) . ical and concen-tric with shafting. (See Figs. 68-73.) Belt Clearance—The clearance onshafting between pulleys and pulleys, col-lars, couplings or other revolving attach-ments shall be wider than the widest belt FIGS. 28 TO 46. GUARDS FOR INCLINEDBELTS. used, or the pulleys shall have flanges orguards to prevent the belt from droppinginto the clearance. (See Figs. 68-73.) Abandoned Pulleys—Pulleys withoutbelts shall be guarded as though belted,or removed from revolving shafts. Clutches—Friction clutches, jawclutches and compression clutches withinseven feet of the floor or working plat-form or within thirty-six inches of abearing shall have their operating me-chanism completely enclosed in station-ary guards as specified in Class A or B,or in smooth, concentric revolving guardsof solid construction with no projectingparts or attachments. Couplings—All couplings within sevenfeet of the floor or working platform orwithin thirty-six inches of a bearing shallbe guarded as follows:.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmachinery, bookyear19
