Fabrica Machinale S.r.l.

S.m. Scienzia Machinale Srl

Qfusion Spine S.r.l.

Renzo Valleggi

Luca Bosio

Luca Ferretti

Gianluca Parrini

Lorenzo Fortuna

Gianni Garlatti

Luca Livaldi

Alessandro Marchini

A system for replacing an abrasive sheet in a sanding machine including a working head in which it is provided a support body having an engagement surface arranged to engage with an abrasive sheet. The sanding machine also includes a handling device arranged to actuate the support body in space according to at least two degrees of freedom. The system may include a computing device to compute the spatial orientation of the support body. Furthermore, the system may include a removal station having a gripping element configured to grip the abrasive sheet in order to disengage the abrasive sheet from the support body.

Apparatus for changing an abrasive sheet in an abrading machine

An apparatus () for carrying out the replacement of an abrasive element () in a machine () for finishing surfaces, comprises a support body () configured to reversibly engage the abrasive element (). The support body () and the abrasive element () provide, at respective engagement surfaces (), mutual engagement members of removable type () configured to move from an engagement position to a disengagement position by rotating about a rotational axis () in a first sense of rotation e, from the disengagement position to the engagement position, by rotating about the rotational axis () in a second sense of rotation opposite to the first one. The apparatus furthermore, comprises a displacement device () for moving the support body () in the space according to at least 1 degree of freedom. The apparatus (), furthermore, provides at least a removal station () for removing an abrasive element () from the support body (), or at least an application station () for engaging an abrasive element () to the support body ().

Method and apparatus for carrying out the replacement of an abrasive element in a machine for working surfaces

An interspinous fusion device includes a central body defining a longitudinal direction and configured to be inserted between two adjacent spinous processes; and a proximal body and a distal body, opposite to each other with respect to the central body and configured to relatively translate towards each other along the longitudinal direction. A pair of proximal jaws and a pair of distal jaws opposite to each other with respect to the central body are spaced apart from each other along the longitudinal direction, and have a first end connected by hinges to the proximal body or to the distal body and a second end configured to abut against a spinous process. An actuation system percutaneously actuates the proximal and distal bodies to cause relative translation and rotation of the jaws about the proximal body and the distal body, thereby opening and closing the jaws.

Interspinous fusion device

An apparatus for replacing an abrasive sheet in a sanding machine comprising a working head in which it is provided a support body having an engagement surface arranged to engage with an abrasive sheet. The sanding machine also comprises a handling device arranged to actuate the support body in space according to at least two degrees of freedom. The face of the abrasive sheet facing, in use, towards the support body and the engagement surface of this comprises a mutual engagement means of removable type. For example, the mutual engagement means can provide a layer of Velcro, i.e. a velvet layer on a face and a plurality of hooks on the other face, or an adhesive layer, in particular of reversible glue layer, or a plurality of projections and recesses mutually engageable with each other, or similar engagement elements. Furthermore, is provided a removal station in which it is installed a removal device having a sharp edge arranged to remove the sheet from the support body through a plurality of operations.

Apparartus for changing an abrasive sheet in an abrading machine

An apparatus () for detecting mechanical features of materials, in particular metal materials, comprising an indenter () adapted to be pushed against a sample material () in which it penetrates for a depth (h) and responsive to the hardness of the materials same. The apparatus () provides means for generating a measured force (F) and a transmission gear () which changes the rotational motion of shaft () of motor () into a linear reversible movement. The force generated is then amplified in a hydraulic way and transmitted to the indenter (). This solution allows to lighten and to reduce the size of the mechanisms for generating the force, reducing also wear and mechanical backlash, as well as costs and overall dimensions. An advantage is also to measure with precision the stroke of the indenter with corresponding control in precision of the penetration (h) of the indenter in the sample material.

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Pontedera, Italy

Renzo Valleggi