Endless Belt Power Transmission Systems Or Components Patents (Class 474)
- Members are gripping jaws actuated during each rotation of pulley (Class 474/9)
- Speed responsive (Class 474/11)
- Load responsive (Class 474/17)
- Temperature responsive (Class 474/22)
- Adjusted by power from pulley drive train (Class 474/23)
- And member has plural, relatively axially movable drive faces (Class 474/24)
- And pulley shiftable laterally of its axis of rotation (Class 474/25)
- Fluid pressure actuator for adjustment of member (Class 474/28)
- Including actuator interconnecting plural pulleys on spaced shafts for simultaneous adjustment (Class 474/29)
- Plural members forming plural belt-receiving grooves on common axis (Class 474/32)
- By manual actuator for one or both confronting members (Class 474/37)
- Including lubrication or particular guide or bearing for movable member (Class 474/43)
- With spring device (Class 474/46)
- Condition responsive (e.g., responsive to speed, load, etc.) (Class 474/70)
- Cyclical or sequential (e.g., machine controlled, etc.) (Class 474/71)
- Including intermeshing gears in one drive train (Class 474/72)
- Including separate belt on each of coaxial pulleys selectively engaged in drive train (Class 474/73)
- Including coaxial pulleys shiftable axially to align selected pulley with drive belt (Class 474/77)
- Including belt shiftable axially from one to another surface of stepped pulley or coaxial pulleys of different diameter (Class 474/78)
- Including mechanism for shifting belt axially on spaced pulleys with tapering drive face (Class 474/83)
- With sensor for controlling operation of shifter to correct belt training deviation (Class 474/102)
- Load responsive tension adjuster or shifter (Class 474/109)
- Tension adjuster or shifter driven by electrical or fluid motor (Class 474/110)
- Tension adjuster has surface in sliding contact with belt (Class 474/111)
- Pulley or guide roll has eccentric mount for shifting or tensioning movement (Class 474/112)
- Pulley shifter (Class 474/113)
- Belt shifter for shifting belt laterally or for selective engagement and supported disengagement of belt with pulley (Class 474/119)
- Guide roll forms belt-thickness gap with pulley (Class 474/131)
- Gravity actuated guide roll for tensioning belt (Class 474/132)
- Guide roll mounted for movement of its axis along arcuate path to tension belt (Class 474/133)
- Guide roll mounted for movement of its axis along rectilineal path to tension belt (Class 474/136)
- With particular belt (Class 474/153)
- And additional coaxial surface for engaging same belt in shifted condition or for engaging auxiliary belt, brake, or clutch member (Class 474/158)
- Having nonmetallic component (Class 474/161)
- Having belt-engaging surfaces on discrete circumferentially spaced, relatively movable or replaceable members (Class 474/162)
- Having axially spaced sets of belt-engaging surfaces (Class 474/164)
- With stationary support for pulley or guide roll (Class 474/165)
- With particular belt (Class 474/167)
- Including plural, coaxial, circumferential belt-receiving grooves (Class 474/168)
- And additional coaxial surface for engaging same belt in shifted condition or for engaging auxiliary belt, brake, or clutch member (Class 474/171)
- Guide roll on axis perpendicular to top surface of belt for engaging side of belt (Class 474/172)
- Pulley or guide roll including circumferential belt-receiving groove (Class 474/174)
- Pulley or guide roll having plural, discrete belt-engaging faces for engaging flat belt (Class 474/184)
- Including grooves or openings in cylindrical belt-engaging surface (e.g., for escape of air, etc.) (Class 474/188)
- Including nonmetallic belt-engaging surface portion (Class 474/190)
- With spokes connecting rim to hub (Class 474/195)
- Cylindrical rim interconnected to axially spaced support members (Class 474/197)
- With stationary support for pulley or guide roll (Class 474/198)
- Including plural interconnected and transversely spaced pairs of oppositely facing side-drive surfaces (e.g., plural "V-belts", etc.) (Class 474/238)
- Having drive surface on helically coiled wire or cord (Class 474/239)
- Including plural interconnected members each having a drive surface facing in a common direction (Class 474/240)
- Including link-chain coextensive with continuous surface belt (Class 474/248)
- Including groove, openings or pockets formed in belt surface and arranged along entire length of belt (e.g., for flexibility, air escape, etc.) (Class 474/249)
- Including particular means connecting opposite ends to form loop (Class 474/253)
- Drive surface on single sheet or web wound in plural, completely overlying convolutions (Class 474/259)
- Including embedded elongated strand having multiple components or layers of diverse materials (Class 474/260)
- Including plural superposed layers each having strands particularly oriented relative to belt dimension (Class 474/261)
- Including discrete embedded fibers (Class 474/263)
- Including plural layers of different elastomeric materials (Class 474/264)
- Having trapezoidal cross section (e.g., "V-belt", etc.) (Class 474/265)
- Including fabric web (e.g., knit, woven, etc.) (Class 474/266)
- Including metallic drive face (Class 474/272)
