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Class Number: 464 Class Title: ROTARY SHAFTS, GUDGEONS, HOUSING, AND FLEXIBLE COUPLINGS FOR ROTARY SHAFTS Subclass Subclass Number Title 1 SPEED RESPONSIVE DEVICE FOR ADJUSTING RELATIVE ROTATIONAL POSITION OF COUPLED MEMBERS 2 .Actuated by fluid or electricity 3 .Pivoted weight 4 ..Gear segment on pivoted weight 5 ..Pivotal movement opposed by compression of coil spring along its axis 6 ..Pivotal movement opposed by expansion of coil spring along its axis 7 HAVING LUBRICATING MEANS 8 .Lubricant impregnated into material 9 ..Metallic material 10 .For overload release coupling 11 .For coupling having torque transmitted via radially directed pin received in conforming aperture 12 ..Lubricant supplied to plural pins via common ring which encapsulates pins 13 ...Pin includes longitudinally extending internal passage 14 ..Pin includes longitudinally extending internal passage 15 .For coupling having torque transmitted via a ball 16 .For coupling having torque transmitted via intermeshing teeth 17 HAVING HEATING OR COOLING MEANS 18 FLEXIBLE COUPLING BETWEEN FLUID-CONDUCTING ROTARY SHAFTS (E.G., COUPLING BETWEEN SECTIONS OF DRILL STRING, ETC.) 19 .Relative angular displacement of axes of shafts 20 .Including member deformable by relative movement between shafts 21 ..Member is coiled spring 22 HAVING CLEANING MEANS 23 WITH AUXILLIARY INDICATOR OR ALARM 24 FLUID COUPLING 25 .For transmitting limited pulsating torque (e.g., fluid drive coupling for impulse tool) 26 .Including piston axially movable in cylinder having axis coextensive with axis of rotation of coupled members 27 .Including multiple piston-cylinder devices radially spaced from axis of rotation 28 .Fluid confined in enclosure having flexible walls 29 ELECTRICAL OR MAGNETIC COUPLING 30 OVERLOAD RELEASE COUPLING 31 .Including thermally responsive element 32 .Torque transmitted via frangible element 33 ..Axially extending pin 34 .Torque transmitted via radially spaced deformable roller 35 .Torque transmitted via a ball 36 ..Axially biased 37 .Torque transmitted via resiliently biased positive drive connection (e.g., cam and follower) 38 ..Axially biased 39 ...By spring coiled about axis of rotation 40 .Torque transmitted via frictional engagement of coil springg 41 .Torque transmitted via plural circumferentially spaced friction elements 42 .Torque transmitted via frictional engagement of conical or frustoconical surfaces 43 ..With separate resilient member for biasing surfaces into engagement 44 ...Coil spring 45 .Torque transmitted via frictional engagement of planar radially extending surfaces 46 ..With separate resilient member for biasing surfaces into engagement 47 ...Coil spring 48 ....Plural, circumferentially spaced coil springs 49 COUPLING DEVICE INCLUDES ENDLESS CHAIN ENGAGED WITH CIRCUMFERENTIAL TEETH ON COUPLED MEMBERS 50 COUPLING DEVICE INCLUDES ANGLED OR HINGED ROD HAVING OPPOSITE ENDS RELATIVELY RECIPROCABLE AXIALLY IN BORES IN SPACED COUPLED MEMBERS 51 TORQUE TRANSMITTED VIA FLEXIBLE ELEMENT 52 .With stationary housing 53 ..And threaded annulus surrounding terminal end of housing for attachment to auxiliary housing 54 .Element coiled sinusoidally about axially spaced driving and driven members 55 .Element is flaccid and operates in tension during torque transmission (e.g., belt, cable, etc.) 56 ..Element has circular cross section 57 .Element has plural convolutions wound about rotational axis 58 ..Plural radially overlapping convoluted elements 59 ..Single element has plural radially overlapping convolutions 60 ..Convoluted element has noncircular cross section 61 .Element is a spring coiled about centerline angularly related to or radially spaced from rotational axis 62 ..Plural springs 63 ...Centerline of springs axially spaced from each other along rotational axis 64 ...Plural superposed springs on common centerline 65 ...Centerline of springs radially spaced from and parallel to rotational axis 66 ...Opposite ends of spring are equidistant from rotational axis 67 ....Springs on circumferentially extending curved centerline 68 ....Springs positioned between axially spaced plates of one member and driven by other member extending radially between said plates 69 .Plural flexible links connected to circumferentially spaced axially directed pins on drive and driven members 70 .Element is annular liner within radially spaced pin-receiving opening 71 ..Axially directed pin 72 ...Plural axially spaced liners 73 .Element positioned between intermeshing teeth on driving and driven members 74 ..Teeth on radially overlapping surfaces 75 ...Element is a continuous annulus extending around rotational axis 76 ..Plurality of disparate elements 77 .Element is an open loop spring curved about rotational axis 78 .Element is tube with slot through wall to provide flexibilityy 79 .Element includes diverging wall portions defining annular groove completely surrounding rotational axis (e.g., bellows) 80 ..Nonmetallic 81 .Plural circumferentially spaced elements 82 ..Extending between radially overlapping surfaces on driving and driven members 83 ...Nonmetallic 84 ..Elements are bowed leaf springs 85 ..Nonmetallic 86 ..Axially extending torsion bars 87 .Nonmetallic element 88 ..Element is hollow sleeve surrounding rotational axis and connected at opposite ends to axially spaced torque transmitting surfaces on driving and driven members 89 ..Extending between radially overlapping surfaces on driving and driven members 90 ...Plural elements radially overlapping 91 ...Plural elements axially spaced along rotational axis 92 ..Annular element between and coincident with drive and driven members 93 ...Including means to receive radially spaced axially extending projection on drive and driven members 94 ....Laminated element or plural elements abutting or spaced along rotational axis 95 .....With disparate spacer between plural separable elements 96 ...Laminated element or plural elements abutting or spaced along axis of rotation 97 .Element is a torsion bar having a longitudinal axis coincident with the rotational axis 98 .Element is plate with external edge completely surrounding rotational axis (e.g., disc) 99 ..Plural axially spaced plates 100 .Element is leaf spring 101 ..Bowed 102 SEPARATE COUPLING DEVICE MOVABLE RADIALLY OF AXES OF TORQUE TRANSMITTING MEMBERS TO ACCOMMODATE PARALLEL, MISALIGNED AXES (E.G., OLDHAM COUPLING) 103 .Coupling device includes rolling body for transmitting torque 104 .Coupling device has aperture or groove for receiving complemenatry driving projection on torque transmitting members 105 ..Projection-receiving slot extends completely through thickness dimension of coupler 106 COUPLING ACCOMMODATES DRIVE BETWEEN MEMBERS HAVING MISALIGNED OR ANGULARLY RELATED AXES 107 .Coupling between wheel and vertically oriented shaft (e.g., millstone) 108 ..Wheel mounted on rolling body 109 .Coupling includes relatively movable gear segments 110 .Coupling transmits torque via semicylindrical segments separated by pivot pin (e.g., slipper bearing) 111 .Tripod coupling 112 .Coupling transmits torque via radially directed pin 113 ..With additional axially spaced torque-transmitting coupling which facilitates relative movement between members 114 ...Radially directed pin in each coupling 115 ....Pin slidable axially in slot 116 .....Axially spaced pin-carrying parts interconnected by pivotall head and socket centering joint 117 ....Plural pins in each coupling with pin ends spaced 90 degrees apart 118 .....Axially spaced pin-carrying parts interconnected by pivotal head and socket centering joint 119 ....Pins in sequential couplings oriented at right angles to each other 120 ..Pin slidable axially in slot 121 ...Pin carried by intermediate element and slidable axially in slots in both coupled members 122 ...Pin carries disparate sleeve engaged with slot walls 123 ....Sleeve rotatable about pin axis 124 .....Sleeve has spherical or semi-spherical bearing surface 125 ..Plural pins received in conforming apertures in ring 126 ...Split ring 127 ..With particular balancing means 128 ..With particular bearing cup surrounding pin end 129 ...Spherical or semi-spherical cup 130 ...And disparate device for securing cup to pin or receiver 131 ...And flexible seal 132 ..With particular bearing or bushing mounted on pin 133 ..With particular flexible seal 134 ..With particular yoke providing pin-receiving aperture 135 ...Split yoke 136 ..Plural pins carried by intermediate member with pin ends spaced 90 degrees apart 137 .Coupling transmits torque via axially directed pin radially spaced from rotational axis 138 ..Particular pivotal mounting for pin 139 .Coupling transmits torque via radially spaced ball 140 ..With additional axially spaced torque-transmitting coupling which facilitates relative movement between members 141 ..Ball mounted in groove for relative axial movement with respect to coupled member 142 ...Mounted for relative axial movement with respect to both coupled members 143 ....Grooves formed in radially overlapping elements 144 .....Intersecting grooves 145 .....With intermediate positioning cage for ball 146 ......Bottom wall of groove in outer member is parallel to axial centerline of outer member (e.g., internally grooved cylinder) 147 .Torque transmitted via intermediate element 148 ..Element carries or receives hook on opposite ends for connection to drive and driven members (e.g., link chain) 149 ..Axially intermeshing teeth 150 ..Intermediate element located between overlapping surfaces on drive and driven members 151 ...Intermediate element is externally grooved or ribbed sphere 152 ...Plural circumferentially spaced intermediate elements 153 ..Intermediate element includes internal openings at opposite ends for receiving axially spaced ends on drive and driven members 154 ...Intermeshing teeth on element and members 155 ..Intermediate element includes external surface at opposite ends received in complementary openings in axially spaced ends of driving and driven members driven members 156 ...Intermeshing teeth on element and memberss 157 .Torque transmitted via intermeshing teeth on drive and driven members 158 ..Teeth on radially overlapping surfaces 159 ...Spherical or semispherical surfaces 160 COUPLING FACILITATES RELATIVE ROTARY DISPLACEMENT BETWEEN COUPLED MEMBERS 161 .Members coupled via axially movable, resiliently biased intermediate element 162 COUPLING FACILITATES RELATIVE AXIAL MOTION BETWEEN COUPLED MEMBERS 163 .Coupling between rotary drive table and axially movable drill string 164 ..Coupler includes endless belt or chain run engageable with drill string and moveable in direction of axial advance 165 ..Coupler includes antifriction rolling body engageable with drill string 166 ...With screw device for adjusting radial position of rolling body 167 .Coupler includes antifriction rolling body engageable with axially moveable member 168 ..Recirculating rolling bodies 169 .Including spring to bias member in axial direction 170 HOUSING 171 .Rigid semispherical surface on one housing part slidably engaged with surface on mating housing part 172 .Telescoping cylindrical housing members 173 .Flexible housing 174 ..Helically coiled member 175 ..Corrugated structure 176 .Pivotally mounted housing supported for movement between open and closed positions 177 .Separably connected housings for separably connected shafts 178 .With rolling body supporting shaft in housing 179 SHAFTING 180 .Particular vibration dampening or balancing structure 181 .Nonmetalic shaft or component 182 .With disparate device for coupling shaft to additional shaft or rotary body 183 .Hollow or layered shaft 184 GUDGEONS 185 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 900 ELECTRICALLY INSULATIVE MEMBER 901 RAPID ATTACHMENT OR RELEASE 902 PARTICULAR MATERIAL 903 .Nonmetal 904 HOMOKINETIC COUPLING 905 .Torque transmitted via radially extending pin 906 .Torque transmitted via radially spaced balls