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| Number | Title | Issue Date |
| 7867120 | Linear unit A linear unit having a main module unit and a drive unit in which the main module unit has a housing with a table part that a drive belt is able to move in the longitudinal direction; the drive belt is wound around a drive roller, which is connected to a drive unit,... | 01/11/2011 |
| 7290779 | Bicycle shift control apparatus that cancels a tentative shift A bicycle shift control apparatus comprises a threshold value setting unit that sets a threshold value of a running condition for shifting a bicycle transmission, a decision unit that decides if a current running condition value passes the threshold value, and a ten... | 11/06/2007 |
| 7210573 | Conveyor belt A thermoplastic endless belt (100, 150) has a smooth outer surface (105) substantially free of discontinuities and an inner surface (108) with a plurality of teeth (108) at a given belt pitch (112). The teeth (108) are adapt... | 05/01/2007 |
| 6227994 | Pulley, ball bearing and belt transmitting device Means are provided for effectively restricting or preventing occurrence of abnormal noise under cold ambient. The means are durable, cost effective and also keep the function of a pulley. A ball bearing 2 of a single row type includes an outer ring 2a and ball... | 05/08/2001 |
| 5957794 | Continuously variable all speed transmission A continuously variable all speed transmission apparatus employs a conically-shaped driven surface which is frictionally contacted by a taut endless compliant transmission member that extends to a circular power source such as the pedal hub of a bicycle. ... | 09/28/1999 |
| 5778287 | Electrophotographic imaging apparatus having an improved belt drive system An electrophotographic imaging apparatus including at least a first rotatable belt support roller and a second rotatable belt support roller, each of the first and second rotatable belt support rollers having an imaginary axis parallel to and spaced from ... | 07/07/1998 |
| 5683321 | Drive apparatus for converting linear motion to rotary motion A drive apparatus and method for continuously transmitting power to an axle, shaft and the like are disclosed. The drive apparatus includes a flexible ratch (414) such as flexible chain, belt or cable and cooperating first and second ratch engaging energy... | 11/04/1997 |
| 5662541 | Transmission with fixed transmission ratio A transmission with a fixed transmission ratio comprises a pliable endless member which is provided with a profile of mainly transversely oriented teeth, and at least two pulleys which are each provided, on their circumferential surface, with recesses whi... | 09/02/1997 |
| 5277668 | Gear transmissions, for textile machines A belt drive variable gear transmission system is provided. The system includes a drive disk which has a peripheral running surface for engagement with a drive belt. The peripheral running surface of the drive disk may include a toothed profile. A drive b... | 01/11/1994 |
| 5108349 | Belt driving mechanism for game machines The present invention comprises an endless belt which is provided with perforations at the edge on the opposite sides at a regular interval, a pair of belt pulleys around which said endless belt is suspended, a sprocket wheel which is disposed substantial... | 04/28/1992 |
| 5013284 | Variable ratio drive system A variable ratio drive mechanism which operates to adjust the path of an endless drive belt in response to a remotely located control input. A plurality of circumferentially spaced sheave segments are respectively mounted in a plurality of radially extend... | 05/07/1991 |
| 4702728 | Machine tool shaft drive system A machine tool with one or more axially movable tool-carrying spindles is provided with a drive system for transferring drive to the spindle(s) from a driving shaft parallel to the spindle(s). The driving shaft, e.g. a motor shaft, carries a plain cylindr... | 10/27/1987 |
| 4685898 | Variable speed transmission An endless chain-belt assembly for engagement around a pulley or tooth sprocket includes an intermediate portion comprising a plurality of center links for engaging the sprocket, the links being connected by transfer of pins. An edge portion defining the ... | 08/11/1987 |
| 4538516 | Torque-assist system for printing belts A printing belt extends around a rotatable cylinder having independently rotatable belt drive sprockets at the opposite ends thereof. A torque-assist drive connected with the cylinder is selectively operable for imparting supplemental traction to the belt... | 09/03/1985 |
| 4525119 | Apparatus for collecting and unloading hay bales and the like A wheeled vehicle mounts a rotary framework providing a plurality of longitudinally extending, peripheral and inner compartments for the removable storage of a multiplicity of hay bales or like objects. The framework is rotated by a driven endless chain w... | 06/25/1985 |
| 4515576 | Variable speed transmission A variable speed transmission (20) includes a sprocket (46) mounted on a first shaft (22) for rotation therewith. A variable effective diameter pulley (30) is mounted for rotation on a driven shaft (32). The pulley includes a pair of pulley halves (80, 82... | 05/07/1985 |
| 4099737 | Bicycle belt drive system A bicycle belt drive system is provided which employs a toothed endless power transmission belt made primarily of polymeric material wherein the teeth of such belt are employed during starting of the bicycle to provide a more positive interconnection betw... | 07/11/1978 |
