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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Chagnot; Philippe
Address:
Nanterre, FR
No. of patents:
7
Patents:












Patent Number Title Of Patent Date Issued
8128178 Cutter head for a ground cutter machine having rotary cutters March 6, 2012
The invention relates to a cutter head for a ground cutter machine having at least one cutter motor. Each cutter motor comprises: two hydraulic motors, each comprising a stator and a rotor and having a common axis; a single shaft extending along said common axis and having two ends; tw
8020323 Drilling tool September 20, 2011
The invention relates to a drilling tool comprising: two pairs of rotary drums in axial alignment on parallel axes; a motor mechanism for driving rotation of the drums; a support element; and a support structure on which the drums are mounted to rotate and serving to connect the drums to
7765723 Cutter head for an excavator machine August 3, 2010
The invention relates to a cutter head for an excavator machine including at least one cutter motor, each cutter motor comprising: a fastener plate; a mounting structure secured to the fastener plate and presenting a central portion and two mounting assemblies disposed on either side o
7591514 Cutter head for an excavator machine September 22, 2009
The invention relates to a cutter head for an excavator machine having at least one cutter motor, each cutter motor comprising: a fastener plate; a mounting structure comprising an end portion and a mounting assembly; a single hydraulic motor mounted in said mounting assembly and having
7591329 Auger with a movable gouge for making a borehole September 22, 2009
The invention relates to an auger for making a borehole that presents in its inside wall a groove that is substantially helical, said auger comprising: a hollow core provided with an outer helical blade; a movable cutter gouge suitable for taking up an active position in which the gouge
7114271 Cutting tool for digging trenches, and enabling the cutter head to be changed quickly October 3, 2006
The invention relates to a cutting tool for digging vertical trenches, the tool comprising: a jib (B); a cutter structure (34; C) suspended from the jib via a cable; a plurality of cutter members (18) disposed on at least one cylindrical surface; a motor assembly (12); power supply mea
6839988 Drilling apparatus for hard ground January 11, 2005
An apparatus for drilling trenches in the ground comprising a main frame having two vertical main faces, a drilling assembly comprising a support disposed at the bottom of said frame, means for causing said drilling assembly to move in vertical translation relative to said main frame by










 
 
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