Transport system for transport of products

{
  "publication_number": "US11198564B2",
  "country": "US",
  "kind": "B2",
  "title": "Transport system for transport of products",
  "abstract": "A transport system has a mobile carriage for transport of products along a guide path that has a first guide profile and a second guide profile. A first pair of rollers is mounted rotatably on a first rotation shaft borne by the carriage, so as to engage the first guide profile. A second pair of rollers rotatably mounted on the second rotation shaft engages the second guide profile. For each roller of the first pair of rollers and for each roller of the second pair of rollers, a reinforcing element is provided which is friction-coupled to at least a part of the main portions of external lateral walls of the rollers.",
  "claims": [
    "1. A transport system for transport of products, comprising: a guide path and at least a mobile carriage for transport of products movable along the guide path, wherein the guide path is conformed in such a way as to comprise a first guide profile and a second guide profile; the first guide profile being conformed in such a way as to have a first rolling wall and a second rolling wall, the second guide profile being conformed in such a way as in turn to have a first rolling wall and a second rolling wall; wherein the mobile carriage comprises: at least a first pair of rollers being mounted rotatably on a first rotation shaft borne by the carriage, the rollers of the at least the first pair of rollers being made of a plastic material and having a shape that is such as to have an internal wall for coupling with the first rotation shaft and a lateral external wall having a main portion and a contact portion and being mounted on the first rotation shaft so that a first roller is in contact via the relative contact portion with the first rolling wall of the first guide profile and so that a second roller is in contact via the relative contact portion with the second rolling wall of the first guide profile so that when the mobile carriage is moved along the guide path, the first roller can roll along the first rolling wall of the first guide profile and the second roller can roll along the second rolling wall of the first guide profile; and at least a second pair of rollers which are mounted rotatably on a second rotation shaft borne by the carriage, the rollers of the at least the second pair of rollers being made of a plastic material and having a shape that is such as to have an internal wall for coupling with the second rotation shaft and a lateral external wall having a main portion and a contact portion and being mounted on the second rotation shaft so that a first roller is in contact via the relative contact portion with the first rolling wall of the second guide profile and so that a second roller is in contact via the relative contact portion with the second rolling wall of the second guide profile so that when the mobile carriage is moved along the guide path, the first roller can roll along the first rolling wall of the second guide profile and the second roller can roll along the second rolling wall of the second guide profile; further comprising: for each roller of the first pair of rollers and for each roller of the second pair of rollers, a reinforcing element which is friction-coupled to at least a part of the main portions of the external lateral walls of the rollers.",
    "2. The transport system of claim 1, wherein each reinforcing element is conformed in such a way as to comprise a relative friction-coupling seating having a shape and dimensions such as to receive in friction-coupling a corresponding roller of the rollers at least at a part of the main portions of the relative external lateral walls of the rollers.",
    "3. The transport system of claim 2, wherein each reinforcing element is conformed in such a way as to comprise an abutting base and a first lateral wall having a shape and dimensions such as to define there-between the friction-coupling seating, the abutting base which is in contact with and abutment against a head of the roller and the first lateral wall which is in contact with and abutment against a part of the main portion of the roller once the reinforcing element is friction-coupled to the roller.",
    "4. The transport system of claim 3, wherein each reinforcing element friction-coupled to the rollers of the first pair of rollers comprises a central axial hole at the relative abutting base to enable passage of the first rotation shaft and wherein each reinforcing element friction-coupled to the rollers of the second pair of rollers comprises a central axial hole at the relative abutting base for enabling passage of the second rotation shaft.",
    "5. The transport system of claim 4, wherein each reinforcing element further comprises a second lateral wall, coaxial and delimiting the central axial hole, the second lateral wall having such dimensions as to be in contact with and abutment against the internal wall of the roller once the reinforcing element is friction-coupled to the roller.",
    "6. The transport system of claim 1, wherein each reinforcing element is made of metal.",
    "7. The transport system of claim 1, wherein the rollers of the first pair of rollers are rotatably mounted on the first rotation shaft independently of one another, and wherein the rollers of the second pair of rollers are rotatably mounted on the second rotation shaft independently of one another.",
    "8. The transport system of claim 1, wherein the first rotation shaft and the second rotation shaft are predisposed and mounted on the mobile carriage so as to be parallel to one another.",
    "9. The transport system of claim 1, wherein the rollers of the first pair of rollers are rotatably mounted on the first rotation shaft by means of relative bearings and wherein a first spacer member is mounted on the first rotation shaft sous to be interposed between the bearings so as to maintain the rollers reciprocally distanced in relation to the distance between the first rolling wall and the second rolling wall of the first guide profile; wherein the rollers of the second pair of rollers are mounted on the second rotation shaft by means of relative bearings and wherein a second spacer member is mounted on the second rotation shaft so as to be interposed between the bearings so as to maintain the rollers of the second pair of rollers reciprocally distanced in relation to the distance between the first rolling wall and the second rolling wall of the second guide profile.",
    "10. The transport system of claim 9 wherein: the rollers of the first pair of rollers are mounted on the first rotation shaft in such a way that at least one thereof is demountable from the first rotation shaft so as to enable replacement of the first spacer member with a further spacer member having different dimensions; the rollers of the second pair of rollers are mounted on the second rotation shaft in such a way that at least one thereof is demountable from the second rotation shaft so as to enable replacement of the second spacer member with a further spacer member having different dimensions.",
    "11. The transport system of claim 1, wherein: the contact portion of the rollers of the first pair of rollers has a truncoconical shape or a spherical cap shape; and wherein the contact portion of the rollers of the second pair of rollers has a truncoconical shape or a spherical cap shape.",
    "12. The transport system of claim 1 wherein each reinforcing element is made of stainless steel."
  ],
  "description_excerpt": "The present invention relates to a transport system for transport of products. In the sector of automatic work machines, there is a known need to transport products, objects, articles, components etc. along a predefined pathway so as to be able to know, exactly and precisely, the position and orientation thereof in relation to specific working steps which are to be carried out.\n\nA type of transport system at present used for transport of products comprises at least a mobile carriage, for transport of at least a relative product, and a guide path along which the mobile carriage is moved, by relative actuator means, such as for example linear motors or conveyor belts, or other systems, for example of movement by magnetic coupling. These transport systems are made in such a way that the guide path, along which the mobile carriage is to be moved, is structured and configured in such a way as to have a first guide profile and a second guide profile which, for example, extend parallel to one another and which have straight portions and curved portions. The guide path is structured and configured so that the first guide profile and the second guide profile identify a looped guide path for the movement of the carriage, thus comprising a succession of straight portions connected by curved portions. The first guide profile is conformed in such a way as to have a first rolling wall and a second rolling wall, for example arranged inclined to one another, and likewise the second guide profile is in turn conformed so as to have a first rolling wall and a second rolling wall, for example arranged inclined to one another.",
  "cpc": [
    "B65G 54/02",
    "B65G 39/18",
    "B65G 39/20",
    "F16C 13/006",
    "F16C 2326/00",
    "F16C 29/005",
    "F16C 29/045",
    "F16C 29/048",
    "F16C 31/04"
  ],
  "ipc": [
    "B65G 21/22",
    "B65G 39/18",
    "B65G 54/02",
    "F16C 13/00",
    "F16C 29/00"
  ],
  "assignees": [
    "MARCHESINI GROUP SPA"
  ],
  "inventors": [
    "MONTI GIUSEPPE"
  ],
  "filing_date": "2019-07-15",
  "publication_date": "2021-12-14",
  "grant_date": "2021-12-14",
  "priority_date": "2018-07-20",
  "application_number": "US-201917254607-A",
  "family_id": "63834546",
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}