In an electric motor-pump assembly, two working diaphragms, each delimiting a working chamber, are cyclically driven by a crank drive via connecting rods. The crank drive includes eccentrics for each connecting rod, which are placed on an axial bearing journal in the extension of an output shaft of an electric motor. In order to ensure a rotationally fixed connection between the eccentrics and the bearing journal to be produced and in order to ensure an angularly precise position of the two eccentrics, each of the eccentrics is connected to the bearing journal by a positively locking engagement.

A composite bicycle crank with an integral spindle attachment structure provides a unique method for attaching a bicycle crank arm to a bicycle crank spindle, and also for attaching a bicycle crank arm to a crank arm insert. A light-weight crank arm is able to be manufactured separately from the crank spindle or insert, and then securely attached after both pieces have been made. This allows for the pieces of the crank assembly to be manufactured from one or more different materials, and securely connected after manufacturing, to create a lower weight assembly than would be possible otherwise.

A valve actuator assembly that include an actuator and an actuator mounting assembly. The actuator mounting assembly may be secured to a valve shaft without the actuator present, and the actuator may be secured to the actuator mounting assembly later. This can make it easier to mount the actuator mounting assembly, especially in cramped spaces. In some cases, the actuator may be wired where it is convenient, and then moved to the actuator mounting assembly and secured to the mounted actuator mounting assembly, sometimes with a simple snap attachment. In some cases, a button, lever or other mechanism may release the actuator from the actuator mounting assembly for easy removal.

The present invention relates to a rotational force driving assembly and a process cartridge used for being engaged with a rotational force driving head inside an electrophotographic image forming device. The rotational force driving assembly can comprise a hub, a rotational force receiving component, a side plate, and an axis offset adjusting mechanism. When the axis offset adjusting mechanism is not subjected to external force, the axis offset adjusting mechanism enables the axis of the rotational force receiving component to be parallel and offset to the axis of the hub. When the axis offset adjusting mechanism is subjected to external force, the rotational force receiving component extends out to be engaged with the rotational force driving head.

An agricultural combine including an agricultural harvester, a crop tank for harvested material, and an unloading auger assembly for unloading and discharging crop material. The auger assembly has inner and outer auger tubes pivotally connected to one another. The auger tubes pivot between a first position in which the auger tubes extend transversely and are coaxial and a second position in which the auger tubes form an angle. The auger tubes contain augers having first and second couplings at cooperating ends. The first coupling has two projections extending to cooperate with a single radial projection on the second coupling to provide improved engagement.

An electrical submersible pump assembly has modules, including a pump, a seal section and a motor. A rotatable first drive shaft in a first one of the modules has a splined end that mates with a splined end of a rotatable second drive shaft in a second one of the modules. An external set of splines is on mating ends of the first drive shaft and the second drive shaft. A coupling has an internal set of splines that mesh with the external set to rotationally couple the first and second drive shafts to each other. A polymer coating is selectively bonded on one of the sets and in sliding engagement with the other set. The coating is a solid polymer material having a lower coefficient of friction than steel alloys of the internal set and the external set.

A torque transmission and sealing assembly includes a ring gear having a first axial end, a second axial end opposite the first axial end, an inner surface including a plurality of teeth and an axial-facing surface at the first axial end, a barrel portion joined to the second axial end of the ring gear, and a plurality of annular, axial extending fingers integrally formed with the ring gear and extending from the axial-facing surface.

A vehicle includes a first drivetrain component and a second drivetrain component. The first drivetrain component defines a splined orifice. The second drivetrain component has a shaft that includes splines that are configured to clearance-fit the splined orifice upon engagement up to a first length and interference-fit the splined orifice upon engagement beyond the first length. Engagement of the splines and the splined orifice at substantially the first length counteracts loads perpendicular to an axis of the shaft preventing disengagement of the first and second drivetrain components.

A gear-tooth system can be produced on a component of a shaft/hub connection. The component can have a first axis of rotation and a gear-tooth system; wherein the gear-tooth system of the component comprises a plurality of teeth, disposed next to one another along a circumference direction, wherein a tooth interstice is disposed between two teeth, in each instance, and each tooth has a head region and a flank region, in each instance, between head region and a foot region disposed in the tooth interstice, wherein the tooth interstice has a tooth gap width in the flank region; wherein the gear-tooth system has at least a first region and subsequently a second region along an axial direction parallel to the first axis of rotation; wherein the first region has a first tooth gap width and the second region has a second tooth gap width, which is less in comparison.

A planetary transmission includes at least two planetary stages. A sun shaft of a planetary stage of the at least two planetary stages is connected for transmission of torque via a coupling toothing system to a planetary carrier of a second transmission stage of the at least two planetary stages that follows the first transmission stage. The coupling toothing system is a flat notch toothing system. A drive train of a wind power plant, in which a corresponding planetary transmission is used as transmission, is also provided. A wind power plant that is equipped with a corresponding drive train is provided. An industrial application that has a corresponding planetary transmission as transmission is also provided.