Abstract: A strain wave drive includes: an elliptical wave generator shaft rotatable about an axis (X); a flexible flex spline mounted around the wave generator shaft; a ring gear assembly mounted around the flex spline, the ring gear assembly comprising an output ring gear having a circular inner periphery and being sandwiched between two earth ring gears each having a circular inner periphery. The flex spline has a first set of a first number of radially outwardly extending teeth around its outer periphery. Each earth ring gear has the first number of radially inwardly extending teeth to engage with the first set of teeth of the flex spline. The flex spline has a second set of the first number of radially outwardly extending teeth around its outer periphery wherein the output ring gear has a second number of radially inwardly extending teeth.

Abstract: A planetary gear carrier assembly includes a plurality of planetary gears each rotatable about a respective planet axis defined by a respective pin through the gear, and a planetary gear carrier defining an annular housing having a front face and a back face defining a housing therebetween and an annulus axis. The planetary gears are located within and spaced circumferentially around the housing. A position balancing arrangement is provided for at least one of the plurality of planetary gears, including a slot formed in the front face and back face, extending circumferentially, to receive the pin of the respective at least one of the planetary gears for circumferential movement within the slot, and a resilient element in biased engagement with the pin to adjust the position of the pin in the slot towards a desired position responsive to movement of the pin away from the desired position in the slot.

Abstract: A planetary gear carrier assembly includes a plurality of planetary gears each rotatable about a respective planet axis defined by a respective pin through the gear, and a planetary gear carrier defining an annular housing having a front face and a back face defining a housing therebetween and an annulus axis. The plurality of planetary gears are located within and spaced circumferentially around the housing, the pin of each planetary gear passing from the front face to the back face at a location such that the planetary gear partially extends radially outwards of the carrier periphery. The carrier is provided with compliance, the compliance provided by one or more portions of reduced stiffness in the front and back faces adjacent the location of the pin of one or more of the planetary gears.

Abstract: A strain wave drive includes an elliptical wave generator shaft rotatable about an axis (X), a flexible flex spline mounted around the wave generator shaft and a ring gear assembly mounted around the flex spline. The ring gear assembly includes an output ring gear having a circular inner periphery and is sandwiched between two earth ring gears each having a circular inner periphery. The flex spline has a first number of radially outwardly extending teeth around its outer periphery and each earth ring gear has the first number of radially inwardly extending teeth to engage with the teeth of the flex spline.

Abstract: Apparatuses, methods, and systems for controlling views of a website. One method includes generating selected variant data including data of an A view and data of a B view, downloading to each web browser of each of a plurality of computing devices, a payload of all possible variants including data of the A view the B view, selecting data of the A view or the B view, providing the selected variant data including the data of the A view or the B view to a state management library of each of the web browsers, wherein each variant selector obtains a corresponding data of the A view or the B view and overwrites data for a page in each state management library with the data of the A view or the B view.

Abstract: A strain wave drive includes an elliptical wave generator shaft rotatable about an axis (X), a flexible tubular flex spline mounted around the wave generator shaft and a ring gear assembly mounted around the flex spline. The ring gear assembly includes an output ring gear having a circular inner periphery and is sandwiched between two earth ring gears each having a circular inner periphery. The flex spline has a first number of radially outwardly extending teeth around its outer periphery; and wherein each earth ring gear has the first number of radially inwardly extending teeth to engage with the teeth of the flex spline; and wherein the output ring gear has a second number of radially inwardly extending teeth, wherein the second number is greater than the first number.

Abstract: A rotary actuator mounting system configured to attach a rotary actuator to and between two relatively moveable parts, the rotary actuator being attached to a first of the two relatively moveable parts and to a second of the relatively moveable parts such that operation of the actuator causes one of the first and second relatively movable parts to rotate relative to the other of the first and second relatively movable parts about an axis of the rotary actuator. The system includes a compliant attachment component connecting the actuator to the first relatively moveable part, the compliant attachment component having a first end attached to the first movable part and a second end attached to the actuator, and wherein at least one of the first and the second end is in the form of a ball bearing arranged to be received in a complementary socket on the actuator and/or the first movable part.

Abstract: Apparatuses, methods, and systems for controlling views of a website. One method includes generating selected variant data including data of the A view and data of the B view, providing the selected variant data including data of an A view or data of a B view to a state management library, generating, by the state management library, a UI (user interface) of a website based on the data of the A view data or the data of the B provided to the state management library, controlling displaying underlying data of a website view on a user browser based on the UI generated by the state management library, wherein the website view is generated by a front-end framework, wherein the front-end framework provides input to a website DOM which controls the website view on the user browser, and manipulating views of the website with the front-end framework based on the selected variant data.

Abstract: A strain wave drive includes: an elliptical wave generator shaft rotatable about an axis (X); a flexible flex spline mounted around the wave generator shaft; a ring gear assembly mounted around the flex spline, the ring gear assembly comprising an output ring gear having a circular inner periphery and being sandwiched between two earth ring gears each having a circular inner periphery. The flex spline has a first set of a first number of radially outwardly extending teeth around its outer periphery. Each earth ring gear has the first number of radially inwardly extending teeth to engage with the first set of teeth of the flex spline. The flex spline has a second set of the first number of radially outwardly extending teeth around its outer periphery wherein the output ring gear has a second number of radially inwardly extending teeth.

Abstract: Apparatuses, methods, and systems for controlling views of a website. One method includes generating selected variant data including data of the A view and data of the B view, providing the selected variant data including data of an A view or data of a B view to a state management library, generating, by the state management library, a UI (user interface) of a website based on the data of the A view data or the data of the B provided to the state management library, controlling displaying underlying data of a website view on a user browser based on the UI generated by the state management library, wherein the website view is generated by a front-end framework, wherein the front-end framework provides input to a website DOM which controls the website view on the user browser, and manipulating views of the website with the front-end framework based on the selected variant data.

Abstract: A strain wave drive includes an elliptical wave generator shaft rotatable about an axis (X), a flexible tubular flex spline mounted around the wave generator shaft and a ring gear assembly mounted around the flex spline. The ring gear assembly includes an output ring gear having a circular inner periphery and is sandwiched between two earth ring gears each having a circular inner periphery. The flex spline has a first number of radially outwardly extending teeth around its outer periphery; and wherein each earth ring gear has the first number of radially inwardly extending teeth to engage with the teeth of the flex spline; and wherein the output ring gear has a second number of radially inwardly extending teeth, wherein the second number is greater than the first number.

Abstract: A strain wave drive includes an elliptical wave generator shaft rotatable about an axis (X), a flexible flex spline mounted around the wave generator shaft and a ring gear assembly mounted around the flex spline. The ring gear assembly includes an output ring gear having a circular inner periphery and is sandwiched between two earth ring gears each having a circular inner periphery. The flex spline has a first number of radially outwardly extending teeth around its outer periphery and each earth ring gear has the first number of radially inwardly extending teeth to engage with the teeth of the flex spline.

Abstract: A thrust bearing seal for radially sealing a gap between a first component and a second component. The seal includes an external sealing cap that extends circumferentially around an outer circumferential surface of at least a section of said first component and a projection that extends radially inwardly from said external sealing cap and into said gap.

Abstract: A rotary actuator assembly for moving a first relatively movable part relative to a second relatively movable part. The assembly includes a rotary actuator having a plurality of circumferential earth members for attachment to one of the first and the second relatively movable parts and a plurality of circumferential output members for attachment to the other of the first and second relatively movable parts. At least the plurality of circumferential earth members or the plurality of circumferential output members is provided with radially outwardly extending locking features around their circumference configured to be received in a mounting sleeve having complementary locking features to engage with the radially outwardly extending locking features.

Abstract: A rotary actuator mounting system configured to attach a rotary actuator to and between two relatively moveable parts, the rotary actuator being attached to a first of the two relatively moveable parts and to a second of the relatively moveable parts such that operation of the actuator causes one of the first and second relatively movable parts to rotate relative to the other of the first and second relatively movable parts about an axis of the rotary actuator. The system includes a compliant attachment component connecting the actuator to the first relatively moveable part, the compliant attachment component having a first end attached to the first movable part and a second end attached to the actuator, and wherein at least one of the first and the second end is in the form of a ball bearing arranged to be received in a complementary socket on the actuator and/or the first movable part.

Abstract: There is provided an indicator for a torque limiter, comprising one or more resilient members configured to move from an initial, compressed state during normal operation of the torque limiter, to a subsequent, expanded state upon tripping of the torque limiter, to provide a visual indication that the torque limiter has tripped.

Abstract: A thrust bearing seal for radially sealing a gap between a first component and a second component. The seal includes an external sealing cap that extends circumferentially around an outer circumferential surface of at least a section of said first component and a projection that extends radially inwardly from said external sealing cap and into said gap.

Abstract: A disc spring assembly comprises a disc spring support having a radially outer surface and a plurality of annular disc springs arranged in a stack over the radially outer surface of the disc spring support. Each annular disc spring comprises a substantially frusto-conical or dished shape and has a radially inner edge region mounted on the radially outer surface of the disc spring support and a radially outer edge region. At least one separator disc is arranged between two axially adjacent disc springs and has a radially outer portion having opposed axially facing surfaces for receiving the radially outer edge regions of the two axially adjacent disc springs. The radially outer portion of the separator disc have at least one drainage passage for allowing drainage of a liquid from a cavity between the disc springs.

Abstract: A disc spring assembly comprises a disc spring support having a radially outer surface and a plurality of annular disc springs arranged in a stack over the radially outer surface of the disc spring support. Each annular disc spring comprises a substantially frusto-conical or dished shape and has a radially inner edge region mounted on the radially outer surface of the disc spring support and a radially outer edge region. At least one separator disc is arranged between two axially adjacent disc springs and has a radially outer portion having opposed axially facing surfaces for receiving the radially outer edge regions of the two axially adjacent disc springs. The radially outer portion of the separator disc have at least one drainage passage for allowing drainage of a liquid from a cavity between the disc springs.

Abstract: There is provided an indicator for a torque limiter, comprising one or more resilient members configured to move from an initial, compressed state during normal operation of the torque limiter, to a subsequent, expanded state upon tripping of the torque limiter, to provide a visual indication that the torque limiter has tripped.