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Class Number: 474 Class Title: ENDLESS BELT POWER TRANSMISSION SYSTEMS OR COMPONENTS Subclass Subclass Number Title 1 CONTROL FOR FORWARD AND REVERSE 2 .Cyclical or sequential (e.g., machine controlled, etc.) 3 ..Including device for shifting belt laterally of its direction of run 4 .Including separate belts for forward and reverse 5 ..Belt selection by shifting or tightening belt 6 ...Including device for shifting belt laterally of its direction of run 7 .Including coaxial pulleys rotated in opposite directions by single endless belt simultaneously engaging both pulleys 8 PULLEY WITH BELT-RECEIVING GROOVE FORMED BY DRIVE FACES ON RELATIVELY AXIALLY MOVABLE COAXIAL CONFRONTING MEMBERS (E.G., EXPANSIBLE CONE PULLEY, ETC.) 9 .Members are gripping jaws actuated during each rotation of pulley 10 ..Via relatively rotating cam and follower 11 .Speed responsive 12 ..And load responsive 13 ..To centrifugal force 14 ...Via pivoted weight 15 ...Via ball 16 ...Via liquid 17 .Load responsive 18 ..With actuator driven by electrical or fluid motor 19 ..Via relatively rotating cam and follower 20 ...Including interengaged threads 21 ...Including plural separate cam and follower pairs for adjusting plural members 22 .Temperature responsive 23 .Adjusted by power from pulley drive train 24 .And member has plural, relatively axially movable drive faces 25 .And pulley shiftable laterally of its axis of rotation 26 ..Mounted on laterally shiftable motor 27 ..Mounted on laterally shiftable countershaft 28 .Fluid pressure actuator for adjustment of member 29 .Including actuator interconnecting plural pulleys on spaced shafts for simultaneous adjustment 30 ..For axial adjustment of each member on each pulley 31 ...By dual lever mechanism 32 .Plural members forming plural belt-receiving grooves on common axis 33 ..With member common to plural grooves 34 ...Plural members common to plural grooves 35 ..Axially spaced members simultaneously adjustable 36 ...On bolt radially spaced from pulley axis 37 .By manual actuator for one or both confronting members 38 ..With neutral condition of drive 39 ..Screw actuated 40 ...With additional linkage in actuator drive train 41 ...By opposite-handed screw threads engaging adjacent members 42 ...With means to positively lock members in adjusted position 43 .Including lubrication or particular guide or bearing forr movable member 44 ..Self-lubricated bearing 45 ..With lubrication of support for movable member 46 .With spring device 47 PULLEY WITH EXPANSIBLE RIM MEANS OR PULLEYS WITH ALTERNATELY USEABLE NESTABLE RIMS 48 .Nestable rims of diverse kind (e.g., one grooved and the other cylindrical, etc.) 49 .Structure for variably adjusting radius of rim section 50 ..By actuator responsive to speed or load 51 ..By fluid pressure actuator or inflatable rim 52 ..Including means interconnecting plural pulleys for simultaneous adjustment 53 ...Pulleys on spaced axes 54 ..By actuator having collar concentric with, and movable axially on, pulley axis 55 ...Collar interconnected with rim sections via pivoted link 56 ..By actuator having collar concentric with, and rotatable in plane perpendicular to pulley axis 57 ...Collar interconnected with rim sections via pivoted link 58 POWER OUTPUT PULLEY SELECTIVELY SHIFTABLE TO DIFFERENT POWER OUTPUT LOCATIONS RELATIVE TO INPUT PULLEY 59 .Pivotable about plural axes 60 ..Nonparallel axes 61 POWER INPUT AND OUTPUT PULLEYS ON NONPARALLEL AXES 62 .With common belt engaging both pulleys 63 ..And shiftable guide roll engaging belt run 64 PLURAL TURNS OF SAME BELT ABOUT PULLEY AXIS 65 .With flexible belt-tracking guide helically coiled about pulley 66 .Plural turns of same belt about axis of each of laterally spaced pulleys 67 ..With guide roll 68 ...Plural guide rolls 69 CONTROL FOR VARIABLE INPUT TO OUTPUT SPEED-RATIO 70 .Condition responsive (e.g., responsive to speed, load, etc.) 71 .Cyclical or sequential (e.g., machine controlled, etc.) 72 .Including intermeshing gears in one drive train 73 .Including separate belt on each of coaxial pulleys selectively engaged in drive train 74 ..With overrunning clutch 75 ..Selection by tightening belt on selected pulley 76 ..Selection by axially movable pin engaged in opening through selected pulley 77 .Including coaxial pulleys shiftable axially to align selected pulley with drive belt 78 .Including belt shiftable axially from one to another surface of stepped pulley or coaxial pulleys of different diameter 79 ..And pulley pivotally mounted to facilitate belt shift 80 ..And including belt-shifter mechanism 81 ...For shifting belt from both power input and power output pulleys 82 ...Shifter mechanism including parallelogram linkage 83 .Including mechanism for shifting belt axially on spaced pulleys with tapering drive face 84 PLURAL BELTS OR PLURAL OUTPUT LOADS 85 .Plural belts having interengaged drive surfaces 86 .Plural output loadss 87 ..With common belt concurrently engaging input and plural output pulleys 88 .Plural belts in series via countershaft 89 ..Countershaft laterally shiftable 90 STATIC ELECTRICITY ELIMINATOR 91 STRUCTURE FACILITATING LUBRICATION OF BELT, PULLEY, OR GUIDE ROLL 92 CLEANING DEVICE FOR BELT, PULLEY, OR GUIDE ROLL 93 FLUID-IMPELLING MEANS (E.G., FOR COOLING, ETC.) 94 RESILIENT CONNECTION BETWEEN PULLEY OR GUIDE-ROLL RIM AND MOUNT 95 HUB FORMED IN SECTIONS AND SEPARABLE BY MOVING SECTIONS RADIALLY APART (E.G., SPLIT PULLEY TO FACILITATE INSTALLATION, ETC.) 96 .And severance lines for separable rim sections diametrically opposite each other 97 ..With spokes connecting hub section and rim section 98 ...Plural integral spokes 99 ....With discrete means connecting outer ends of integral spokes to rim 100 AUXILIARY ENDLESS BAND FOR GUIDING BELT OR HOLDING BELT ENGAGED WITH PULLEY 101 MEANS FOR ADJUSTING BELT TENSION OR FOR SHIFTING BELT, PULLEY OR GUIDE ROLL 102 .With sensor for controlling operation of shifter to correct belt training deviation 103 ..Shifter driven by electrical or fluid motor 104 ...Fluid motor 105 ..Sensor actuates pawl-and-rachet mechanism to operate shifter 106 ..Sensor includes rotatable belt-engaging surface 107 ...Rotatable on same axis as shiftable guide roll or pulley 108 ....To initiate relative axial movement of belt-engaging surfaces of guide roll or pulley 109 .Load responsive tension adjuster or shifter 110 .Tension adjuster or shifter driven by electrical or fluid motor 111 .Tension adjuster has surface in sliding contact with belt 112 .Pulley or guide roll has eccentric mount for shifting or tensioning movement 113 .Pulley shifter 114 ..Pulley on shaft of adjustably mounted drive motor 115 ...Spring biased in belt-tensioning direction 116 ..Pulley is vehicle drive pulley (e.g., bicycle sprocket, etc.) 117 ..Spring biased in belt-tensioning direction 118 ..Pulley shiftable into engagement with exterior of belt surface 119 .Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt with pulley 120 ..Pulley has slot in groove-forming flange facilitating belt installation or removal 121 ..For shifting exterior surface of belt into engagement with pulley 122 ..For shifting belt laterally 123 ...By adjusting axial inclination of belt guide roll 124 ...With idler support having circumferentially spaced rollers to receive shifted belt 125 ...Including means for selectively clutching coaxial idler support to pulley 126 ...Shifter actuated by screw or gear drive 127 ...Shifter actuated by flexible cablee 128 ...Shifter actuated by handle pivoted about fixed axis 129 ....And connector link between handle and shifter pivotable about spaced fixed axis 130 ..Portable hand tool for removing or installing belt 131 .Guide roll forms belt-thickness gap with pulley 132 .Gravity actuated guide roll for tensioning belt 133 .Guide roll mounted for movement of its axis along arcuate path to tension belt 134 ..Plural guide rolls engaging single belt 135 ..Guide roll spring biased in belt-tensioning direction 136 .Guide roll mounted for movement of its axis along rectilineal path to tension belt 137 ..Plural guide rolls engaging single belt 138 ..Guide roll spring biased in belt-tensioning direction 139 PULLEY ENGAGES EXTERIOR SURFACE OF BELT 140 BELT GUIDE HAS SURFACE IN SLIDING CONTACT WITH BELT 141 PULLEY HAVING CIRCUMFERENTIALLY SPACED PORTIONS OF DRIVE FACE SPACED UNEQUAL DISTANCES FROM PULLEY AXIS OF ROTATION (E.G., ELLIPTICAL PULLEY, ETC.) 142 MAGNETIC ATTRACTION BETWEEN BELT AND PULLEY 143 FABRIC DRIVE FACE ON BELT AND PULLEY 144 GUARD OR HOUSING FOR BELT OR PULLEY 145 .Connected to belt 146 .Extending along entire length of belt run 147 ..Individual tubular housings for opposite belt run 148 SYSTEM INCLUDING SPACED PULLEYS INTERCONNECTED BY A BELT 149 .Positive drive pulley and friction drive pulley connected by same belt 150 .With frame or mount for system 151 AUXILIARY MEMBER REMOVABLY ATTACHED TO PULLEY OR GUIDE ROLL FOR PREVENTING LATERAL DISPLACEMENT OF BELT 152 POSITIVE DRIVE PULLEY OR GUIDE ROLL 153 .With particular belt 154 ..Belt has spherical or hemispherical drive faces 155 ..Belt formed of rigid links 156 ...With sequential links pivoted about discrete pivot pin 157 ....And each link has integral surfaces forming inwardly opening groove 158 .And additional coaxial surface for engaging same belt in shifted condition or for engaging auxiliary belt, brake, or clutch member 159 ..Coaxial surface is belt-engaging surface on friction drive pulley 160 ..Coaxial surface is belt-engaging surface on positive drive pulley of different circumference 161 .Having nonmetallic component 162 .Having belt-engaging surfaces on discrete circumferentially spaced, relatively movable or replaceable members 163 ..Movable with respect to each other during operation 164 .Having axially spaced sets of belt-engaging surfaces 165 .With stationary support for pulley or guide roll 166 FRICTION DRIVE PULLEY OR GUIDE ROLL 167 .With particular belt 168 .Including plural, coaxial, circumferential belt-receiving grooves 169 ..Plural grooves of different circumferences 170 ..Plural grooves formed in unitary member 171 .And additional coaxial surface for engaging same belt inn shifted condition or for engaging auxiliary belt, brake, or clutch member 172 .Guide roll on axis perpendicular to top surface of belt for engaging side of belt 173 ..And additional guide roll for engaging top or bottom surface of belt 174 .Pulley or guide roll including circumferential belt-receiving groove 175 ..Groove formed by rugate or circumferentially spaced drive surfaces 176 ..Groove formed by multiple, abutting, circumferentially connected members 177 ..And circumferentially continuous belt-engaging layer or insert of diverse material added on or between groove-forming flanges 178 ...Layer or insert of resilient material 179 ..Including connected discrete axially spaced groove-forming flanges 180 ...Connected via nesting cylindrical or conical surfaces integral with the flanges 181 ...And abutting radial surfaces integral with the flanges 182 ....Including connector extending through opening in abutting surfaces 183 .....Connector comprises tang integral with one of the surfaces 184 .Pulley or guide roll having plural, discrete belt-engaging faces for engaging flat belt 185 ..Circumferentially spaced faces 186 ...And axially spaced faces 187 ..Each face has continuous circumferential periphery 188 .Including grooves or openings in cylindrical belt-engaging surface (e.g., for escape of air, etc.) 189 ..Circumferentially extending grooves 190 .Including nonmetallic belt-engaging surface portion 191 ..Rubber 192 ...With embedded metal layer 193 ..Leather 194 ..Wood or paper 195 .With spokes connecting rim to hub 196 ..Plural spoke sets axially spaced 197 .Cylindrical rim interconnected to axially spaced support members 198 .With stationary support for pulley or guide roll 199 ..And ball or roller bearing for mounting pulley or guide roll on support 200 MOBIUS BELT 201 BELT HAVING DRIVE SURFACES ON OPPOSITE SIDE EDGES OF STACKED PLATES HAVING PLANAR FACES PERPENDICULAR TO DIRECTION OF BELT MOVEMENT 202 POSITIVE DRIVE BELT 203 .Drive surfaces on belt formed by spherical or hemispherical elements 204 .Drive surfaces on belt formed in or interconnected by continuous flexible member 205 ..Drive surfaces on longitudinally spaced teeth formed integral with flexible member 206 .Belt formed of rigid links 207 ..Including nonmetallic part 208 ..Including wire member coiled about pivotal axis between linkss 209 ..Including ball or roller bearing circumferentially spaced about pivotal axis between links 210 ..Links pivotable about diverse axes during operation (e.g., "universal" connection facilitating alignment with sprockets in diverse planes) 211 ...Ball-and-socket connection 212 ..Link including integral surfaces forming inwardly opening groove (e.g., silent chain, etc.) 213 ...Plural links having laterally aligned groove-forming surfaces 214 ....Connector or bearing member extending through or positioned in laterally aligned openings in adjacent links is noncircular in transverse cross section 215 .....Multiple connector or bearing members extend through or positioned in common opening 216 ......Concave surface of one connector or bearing member abuts convex surface of another connector or bearing members 217 .......Plural connector or bearing members with concave surface abut convex surface or surfaces on another connector or bearing member 218 ..Including diverse member for interconnecting opposite ends to complete loop (e.g., repair link for broken chain, etc.) 219 ..Including separate locking member for retaining link-connector in laterally aligned openings through adjacent links 220 ...Common locking member retains longitudinally spaced connectors 221 ....Strandlike locking member (e.g., wire, etc.) 222 ...Threaded connection between connector and locking member 223 ...Locking member received in annular groove extending entirely around circumference of connector 224 ...Locking member includes portion disposed within opening which receives connector 225 ....Locking member extends through all aligned openings 226 ..Link including discrete members forming laterally spaced sides of opening for pulley tooth 227 ...With particular structure facilitating disassembly of adjacent links 228 ...With discrete connector extending through laterally aligned apertures in adjacent links 229 ....Connector has bearing surface which is noncircular in transverse cross section 230 ....Connector connects sequential links each having discrete members forming laterally spaced sides 231 .....With sleeve rotatable with respect to each link for engaging pulley tooth 232 ..Link including common member forming laterally spaced sides of opening for pulley tooth 233 ...With discrete member interconnecting sequential pulley-tooth-receiving links 234 ....Connector member inserted through lateral opening in pulley-tooth-receiving links 235 ...Common member surrounds opening for pulley tooth on all sides 236 ....Member formed from sheet metal 237 FRICTION DRIVE BELT 238 .Including plural interconnected and transversely spaced pairs of oppositely facing side-drive surfaces (e.g., plural "V-belts", etc.)) 239 .Having drive surface on helically coiled wire or cord 240 .Including plural interconnected members each having a drive surface facing in a common direction 241 ..Forming imbricate structure 242 ..Belt has oppositely facing side drive surfaces (e.g., "V-belt", etc.) 243 ...Surfaces on ball or roller elements 244 ...Oppositely facing surfaces are on pair of discrete elements 245 ....And sequential pairs are interconnected longitudinally by distinct pivot elements 246 ..Plural, inwardly facing drive surfaces along the direction transverse to longitudinal extent of belt 247 ...And plural, inwardly facing drive surfaces along the direction parallel to longitudinal extent of belt 248 .Including link-chain coextensive with continuous surface belt 249 .Including groove, openings or pockets formed in belt surface and arranged along entire length of belt (e.g., for flexibility, air escape, etc.) 250 ..Grooves transversely extending on belt surface 251 ...And additional groove on opposite surface 252 ..Groove continuous and longitudinally extending 253 .Including particular means connecting opposite ends to form loop 254 ..Connected by adhering surface on one end to surface on other end (e.g., by adhesive, heat, seal, etc.) 255 ..Including discrete connector 256 ...Connector comprises element inserted into longitudinal openings in belt ends 257 ...Connector comprises plate clamped externally of belt ends 258 ...Connector comprises cord sewn through belt ends 259 .Drive surface on single sheet or web wound in plural, completely overlying convolutions 260 .Including embedded elongated strand having multiple components or layers of diverse materials 261 .Including plural superposed layers each having strands particularly oriented relative to belt dimension 262 ..Strands in the layers are oblique to longitudinal run of belt (e.g., plural layers of bias fabric, etc.) 263 .Including discrete embedded fibers 264 .Including plural layers of different elastomeric materials 265 .Having trapezoidal cross section (e.g., "V-belt", etc.) 266 .Including fabric web (e.g., knit, woven, etc.) 267 ..Fabric having particular knit or weave 268 ..And additional coating, layer, or reinforcement of diverse kind of material 269 ...Additional material is leather 270 ...Additional material is metal 271 ...Additional material is rubber 272 .Including metallic drive face 273 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 PHASE VARIATOR 901 PULLEY OR GUIDE ROLL FOR TRACK OF ENDLESS TRACK VEHICLE 902 PARTICULAR CONNECTION BETWEEN RIM AND HUB 903 PARTICULAR CONNECTION BETWEEN HUB AND SHAFT