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A robotic surgery system comprises a mounting base, a plurality of surgical instruments, and an articulate support assembly. Each instrument is insertable into a patient through an associated minimally invasive aperture to a desired internal surgical site. The articulate support assembly movably supports the instruments relative to the base. The support generally comprises an orienting platform, a platform linkage movably supporting the orienting platform relative to the base, and a plurality of manipulators mounted to the orienting platform, wherein each manipulator movably supports an associated instrument.

A ratchet pliers with adjustable jaw includes a working head, an integrated retractable handle arrangement, a ratchet stepping arrangement and a rapid adjusting arrangement. The ratchet pliers with adjustable jaw has several advantages. Firstly, the rapid adjusting arrangement with simple operation and convenient use is capable of micro-adjusting a closure error of the jaw opening after clamping. Secondly, the integrated retractable handle arrangement is capable of adjusting a length of the handle according to different demands for a jaw clamping force so as to save energy of a user.

A machine for machining optical workpieces, in particular plastic spectacle lenses, which has a workpiece spindle, which drives the workpiece in rotation about a workpiece rotation axis (B), and a fast tool arrangement, which moves a turning tool in a fast tool movement plane (X-F1), wherein the workpiece spindle and the fast tool arrangement can moreover be moved relative to one another in a plane (X-Y) which contains the workpiece rotation axis (B). The fast tool movement plane (X-F1) is positioned obliquely (work angle α) with respect to the plane (X-Y) containing the workpiece rotation axis (B). As a result, a machine is provided in which the working point of the cutting edge of the turning tool can be aligned in a particularly simple and highly precise manner on the rotation axis (B) of the workpiece spindle.

A process for producing a friction plate having a flat friction surface includes a step of provisionally arranging a plurality of sector-shaped lining segments punched out of a friction lining tape material, in a generally annular form on an index table so as not to overlap with each other, a step of correcting the provisional arrangement of the lining segments into an annular form having no gaps between the lining segments by moving together the plurality of lining segments, provisionally arranged on the index table, towards the centre of the index table and a step of adhering the plurality of lining segments, correctly arranged in the annular form, to a surface of a core plate. A friction plate having a flat friction surface can thereby be obtained with low cost.

We disclose an apparatus for improving passing skills in soccer, consisting of one or more triangles that can be placed on the ground to demarcate regions and boundaries on a playing field within which player movement is constrained or otherwise guided. The triangle edges are made from a flexible or extensible material and are attached at the triangle vertices by some type of joining device. The triangles can be placed on any surface suitable for soccer and held in place with stakes or other means. Multiple triangles can be placed on the ground to create a variety of demarcated regions and boundaries. This apparatus can be used for basic practice or to play various skill-enhancing games in which the ball is passed into and out of, or between, a triangle or a set of triangles.

A machine for machining workpieces, for example plastic spectacle lenses, has a workpiece spindle which rotates the workpiece about a workpiece rotation axis, and a fast tool arrangement which moves a turning tool in the direction to and from the workpiece, wherein the workpiece spindle and the fast tool arrangement can moreover be moved relative to one another in a direction transverse to the workpiece rotation axis. A tool holder is connected to the fast tool arrangement and carries the turning tool. An engraving tool is spaced from the workpiece rotation axis and has an essentially point-shaped end facing towards the workpiece. The engraving tool can be moved in the direction of the workpiece and away therefrom in a highly dynamic manner via the tool holder, so that a marking can be produced on the workpiece in particular by a needling engagement of the engraving tool with the workpiece.

A process for producing a friction plate having a flat friction surface includes a step of provisionally arranging a plurality of sector-shaped lining segments punched out of a friction lining tape material, in a generally annular form on an index table so as not to overlap with each other, a step of correcting the provisional arrangement of the lining segments into an annular form having no gaps between the lining segments by moving together the plurality of lining segments, provisionally arranged on the index table, towards the centre of the index table and a step of adhering the plurality of lining segments, correctly arranged in the annular form, to a surface of a core plate. A friction plate having a flat friction surface can thereby be obtained with low cost.

To provide a simple seat fastening device with enhanced flexibility and the possibility of an easy movement of vehicle seats, a seat fastening device for fastening vehicle seats in a vehicle is provided comprising a seat track and a slider in a sliding engagement with the seat track. The slider includes a seat fixation element to fix a foot of a vehicle seat, wherein the seat track includes a C-shaped profile and the slider includes a base inserted in the C-shaped profile and wherein the slider includes a clamp to clamp the slider against an inner surface of the C-shaped profile. At least one linear roller contact bearing is located between the C-shaped profile and the slider.

To provide a simple seat fastening device with enhanced flexibility and the possibility of an easy movement of vehicle seats, a seat fastening device for fastening vehicle seats in a vehicle is provided comprising a seat track and a slider in a sliding engagement with the seat track. The slider includes a seat fixation element to fix a foot of a vehicle seat, wherein the seat track includes a C-shaped profile and the slider includes a base inserted in the C-shaped profile and wherein the slider includes a clamp to clamp the slider against an inner surface of the C-shaped profile. At least one linear roller contact bearing is located between the C-shaped profile and the slider.