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DEVICE FOR DIGGING NARROW TRENCHES AND LAYING PREFABRICATED TONGUED AND GROOVED COMPONENTS

  • US 20040146360A1
  • Filed: 01/29/2003
  • Published: 07/29/2004
  • Est. Priority Date: 01/29/2003
  • Status: Active Grant
First Claim
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1. Device for digging narrow trenches and laying prefabricated tongued and grooved elements, of the kind composed of a cutting disc (2) and a prefabricated tongued and grooved element feeder, characterised in that the prefabricated tongued and grooved element feeder comprises:

  • a sweeper box (32) with a U-shaped transversal section, closed at the front by a rake (34);

    mounted in such a way that the excavated earth cannot fall inside it;

    means for pushing the prefabricated tongued and grooved elements (33), comprising a number of drive wheels (7) which transmit by friction to those elements a longitudinal thrust in order to keep the various prefabricated tongued and grooved elements (33) coupled together while they are deposited into the inside of the sweeper box (32).

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