Patents by Inventor Andre Leger

Andre Leger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240025477
    Abstract: A steering knuckle gearbox assembly comprises a body having a housing portion having a cavity defined in the housing portion; a mating portion connected to the housing portion and being pivotably mountable an axle frame of a vehicle; and a mounting portion for having a steering link of the vehicle pivotably mounted to the mounting portion. An input shaft is rotationally supported by the housing portion and extends into the cavity at its one end and is operatively connectable to a drive axle of the vehicle at its other end. An output shaft is rotationally supported by the housing portion and extends into the cavity at its one end and is operatively connected to the input shaft at its other end. The output shaft is offset in height from the input shaft. A steerable track system for a vehicle is also described.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: Pierre-Yves PEPIN, Steve FRECHETTE, Keven BOUTIN, Charles ST-ARNAUD, Frederik MARTEL, Nicolas DUBUC, Andre LEGER, Pascal LAFRENIERE
  • Patent number: 11772702
    Abstract: A steering knuckle gearbox assembly (138) comprises a body having a housing portion (140) having a cavity defined in the housing portion (140); a mating portion (142) connected to the housing portion (140) and being pivotably mountable an axle frame (106a) of a vehicle; and a mounting portion (144) for having a steering link (90) of the vehicle pivotably mounted to the mounting portion (144). An input shaft (176) is rotationally supported by the housing portion (140) and extends into the cavity at its one end and is operatively connectable to a drive axle (94) of the vehicle at its other end. An output shaft (187) is rotationally supported by the housing portion (140) and extends into the cavity at its one end and is operatively connected to the input shaft (176) at its other end. The output shaft (187) is offset in height from the input shaft (176). A steerable track system for a vehicle is also described.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: October 3, 2023
    Assignee: SOUCY INTERNATIONAL INC.
    Inventors: Pierre-Yves Pepin, Steve Frechette, Keven Boutin, Charles St-Arnaud, Frederik Martel, Nicolas Dubuc, Andre Leger, Pascal Lafreniere
  • Patent number: 11286013
    Abstract: A track system comprising a dynamic tensioning device located between an idler wheel and the support frame as to apply proper tension in the track. The dynamic tensioning device is adapted to block at its current length upon the occurrence of a determined condition. The dynamic tensioner is adapted to substantially maintain its length when an acceleration and or deceleration of the track system reaches a predetermined value. For instance, such characteristic is relevant in an event of emergency braking. A dynamic tensioner would become contracted and the tension in the endless track would become too low. A low tension could cause the endless track to ratchet.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: March 29, 2022
    Assignee: SOUCY INTERNATIONAL INC.
    Inventors: Yves Sauvageau, Andre Leger
  • Publication number: 20200307727
    Abstract: A track system comprising a dynamic tensioning device located between an idler wheel and the support frame as to apply proper tension in the track. The dynamic tensioning device is adapted to block at its current length upon the occurrence of a determined condition. The dynamic tensioner is adapted to substantially maintain its length when an acceleration and or deceleration of the track system reaches a predetermined value. For instance, such characteristic is relevant in an event of emergency braking. A dynamic tensioner would become contracted and the tension in the endless track would become too low. A low tension could cause the endless track to ratchet.
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Inventors: Yves SAUVAGEAU, Andre LEGER
  • Publication number: 20200223480
    Abstract: A steering knuckle gearbox assembly (138) comprises a body having a housing portion (140) having a cavity defined in the housing portion (140); a mating portion (142) connected to the housing portion (140) and being pivotably mountable an axle frame (106a) of a vehicle; and a mounting portion (144) for having a steering link (90) of the vehicle pivotably mounted to the mounting portion (144). An input shaft (176) is rotationally supported by the housing portion (140) and extends into the cavity at its one end and is operatively connectable to a drive axle (94) of the vehicle at its other end. An output shaft (187) is rotationally supported by the housing portion (140) and extends into the cavity at its one end and is operatively connected to the input shaft (176) at its other end. The output shaft (187) is offset in height from the input shaft (176). A steerable track system for a vehicle is also described.
    Type: Application
    Filed: August 16, 2017
    Publication date: July 16, 2020
    Inventors: Pierre-Yves PEPIN, Steve FRECHETTE, Keven BOUTIN, Charles ST-ARNAUD, Frederik MARTEL, Nicolas DUBUC, Andre LEGER, Pascal LAFRENIERE
  • Patent number: 10640162
    Abstract: Endless track system tensioning system comprising: Tensioner having a cylinder and a piston within the cylinder forming a variable volume chamber containing liquid. Reservoir containing liquid and gas fluidly connected to the cylinder chamber. Conduit fluidly connected between the chamber and the reservoir allowing liquid to flow therebetween to move a position of the piston. The gas applying hydrostatic pressure to liquid biasing the piston toward an extended position, biasing an idler wheel assembly against an endless track. Valve disposed along the conduit for controlling liquid flow through the conduit, movable between: Open position in which liquid is allowed to flow, rendering piston movable, allowing for relative movement between a frame and an idler wheel assembly. Closed position in which liquid is prevented from flowing rendering piston effectively immovable within the chamber, effectively preventing relative movement between frame and idler wheel assembly.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: May 5, 2020
    Assignee: SOUCY INTERNATIONAL INC.
    Inventors: Yves Sauvageau, Andre Leger
  • Patent number: 10633044
    Abstract: A track system comprising a dynamic tensioning device located between an idler wheel and the support frame as to apply proper tension in the track. The dynamic tensioning device is adapted to block at its current length upon the occurrence of a determined condition. The dynamic tensioner is adapted to substantially maintain its length when an acceleration and or deceleration of the track system reaches a predetermined value. For instance, such characteristic is relevant in an event of emergency braking. A dynamic tensioner would become contracted and the tension in the endless track would become too low. A low tension could cause the endless track to ratchet.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: April 28, 2020
    Assignee: SOUCY INTERNATIONAL INC.
    Inventors: Yves Sauvageau, Andre Leger
  • Publication number: 20180118287
    Abstract: Endless track system tensioning system comprising: Tensioner having a cylinder and a piston within the cylinder forming a variable volume chamber containing liquid. Reservoir containing liquid and gas fluidly connected to the cylinder chamber. Conduit fluidly connected between the chamber and the reservoir allowing liquid to flow therebetween to move a position of the piston. The gas applying hydrostatic pressure to liquid biasing the piston toward an extended position, biasing an idler wheel assembly against an endless track. Valve disposed along the conduit for controlling liquid flow through the conduit, movable between: Open position in which liquid is allowed to flow, rendering piston movable, allowing for relative movement between a frame and an idler wheel assembly. Closed position in which liquid is prevented from flowing rendering piston effectively immovable within the chamber, effectively preventing relative movement between frame and idler wheel assembly.
    Type: Application
    Filed: October 13, 2017
    Publication date: May 3, 2018
    Inventors: Yves SAUVAGEAU, Andre LEGER
  • Publication number: 20180118291
    Abstract: A track system comprising a dynamic tensioning device located between an idler wheel and the support frame as to apply proper tension in the track. The dynamic tensioning device is adapted to block at its current length upon the occurrence of a determined condition. The dynamic tensioner is adapted to substantially maintain its length when an acceleration and or deceleration of the track system reaches a predetermined value. For instance, such characteristic is relevant in an event of emergency braking. A dynamic tensioner would become contracted and the tension in the endless track would become too low. A low tension could cause the endless track to ratchet.
    Type: Application
    Filed: April 11, 2016
    Publication date: May 3, 2018
    Inventors: Yves SAUVAGEAU, Andre LEGER
  • Patent number: 9505432
    Abstract: A steering knuckle to be used with the steering assembly of a vehicle such as a farming tractor is disclosed. The steering knuckle comprises preconfigured attachment areas where attachment element(s) or bracket(s) can be releasably yet rigidly secured. The attachment areas may be further reinforced with additional knuckle material (e.g. metal, metallic alloy). The steering knuckle therefore provides predetermined and preconfigured attachment location(s) where a wheel-replacing track system can be secured, thereby allowing the track system to be mounted to the vehicle while avoiding attachment at inconvenient or weak locations.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: November 29, 2016
    Inventors: Steeve Pare, Steve Frechette, Serge Latulippe, William Gasse, Andre Leger, Andre Todd, Nicolas Dubuc
  • Publication number: 20160107685
    Abstract: A steering knuckle to be used with the steering assembly of a vehicle such as a farming tractor is disclosed. The steering knuckle comprises preconfigured attachment areas where attachment element(s) or bracket(s) can be releasably yet rigidly secured. The attachment areas may be further reinforced with additional knuckle material (e.g. metal, metallic alloy). The steering knuckle therefore provides predetermined and preconfigured attachment location(s) where a wheel-replacing track system can be secured, thereby allowing the track system to be mounted to the vehicle while avoiding attachment at inconvenient or weak locations.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 21, 2016
    Inventors: Steeve PARE, Steve FRECHETTE, Serge LATULIPPE, William GASSE, Andre LEGER, Andre TODD, Nicolas DUBUC
  • Patent number: 4556657
    Abstract: New compounds of the formula: ##STR1## wherein X represents hydrogen, halogen, alkyl (1 to 4 C), alkoxy (1 to 4 C), cyano or nitro, R represents alkyl (1 to 4 C) optionally substituted by hydroxy, or alkenyl (2 to 4 C), and n represents 0 or 1, and one of the symbols m and p represents the figure 0 and the other represents the figure 1.The new compounds are therapeutically useful, more particularly as tranquillizers and anticonvulsants.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: December 3, 1985
    Assignee: Rhone-Poulenc Sante
    Inventors: Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4550110
    Abstract: New compounds of the formula ##STR1## wherein X represents hydrogen, halogen, alkyl (1 to 4 C), alkoxy (1 to 4 C), cyano or nitro, R represents hydrogen, alkyl (1 to 4 C) [unsubstituted or substituted by 1, 2 or 3 halogens, alkenyl (2 to 4 C), alkynyl (2 to 4 C) or alkoxy (1 to 4 C)], phenyl [unsubstituted or substituted by 1, 2 or 3 halogens, alkyl (1 to 4 C), alkoxy (1 to 4 C), nitro or trifluoromethyl] or phenylalkyl (1 to 4 C) or phenylalkynyl (2 to 4 C) in which the phenyl radicals are optionally substituted as indicated above, Z represents an oxygen or sulphur atom, and one of m and p represents the figure O and the other the figure 1.The new compounds are therapeutically useful, more particularly as tranquillizers and anticonvulsants.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: October 29, 1985
    Assignee: Rhone-Poulenc Sante
    Inventors: Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4327095
    Abstract: Compounds of the formula: ##STR1## wherein A represents pyrid-2-yl, quinol-2-yl or 1,8-naphthyridin-2-yl, each such radical being optionally substituted by a halogen atom, or an alkyl or alkoxy radical of 1 through 4 carbon atoms, and R represents hydrogen, an alkyl radical of 1 through 4 carbon atoms, an alkenyl radical of 2 through 4 carbon atoms or an alkanoyl radical of 1 through 4 carbon atoms, are new compounds possessing pharmacological properties. They are particularly active as tranquillizers, anti-convulsants, decontracturants and hypnogenic agents.
    Type: Grant
    Filed: March 13, 1980
    Date of Patent: April 27, 1982
    Assignee: Rhone-Poulenc Industries
    Inventors: Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4271167
    Abstract: New dithiocarbamates of the formula: ##STR1## in which R.sub.1 is hydrogen or halogen in the 4-, 5- or 6-position, n is equal to 0 or 1, R.sub.2 represents hydrogen or various aliphatic or aromatic radicals which may be substituted, R.sub.3 represents hydrogen or various aliphatic radicals, and R.sub.4 represents a hydrogen atom or an alkyl radical, their optically active forms, and their salts, when such salts exist, are valuable anthelmintic agents. They may be made inter alia by reduction of the corresponding ketones.
    Type: Grant
    Filed: November 14, 1979
    Date of Patent: June 2, 1981
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean-Dominique Bourzat, Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4271156
    Abstract: Compounds of the general formula: ##STR1## wherein R.sub.1 represents hydrogen or halogen in the 4-, 5- or 6-position of the pyridyl radical and R.sub.2 represents hydrogen, straight- or branched-chain alkyl of 1 to 4 carbon atoms or phenyl, possess anthelmintic activity, having a broad spectrum of activity against nematodes.
    Type: Grant
    Filed: November 14, 1979
    Date of Patent: June 2, 1981
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean-Dominique Bourzat, Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4185107
    Abstract: 4-Methyl-3-(pyrid-2-yl)-.DELTA..sup.4 -thiazoline-2-thione, a known compound, has been found to be useful as an anti-ulcer medicament.
    Type: Grant
    Filed: October 17, 1978
    Date of Patent: January 22, 1980
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean-Dominique Bourzat, Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4167571
    Abstract: New thiazoline derivaties of the formula: ##STR1## wherein R.sub.1 represents hydrogen, an alkyl radical of 1 or 2 carbon atoms or methoxymethyl, R.sub.2 represents an alkyl radical of 1 or 2 carbon atoms in the 4-, 5- or 6-position, and R.sub.3 represents methyl, or alternatively R.sub.3 represents hydrogen and either R.sub.1 represents hydrogen, an alkyl radical of 1 through 4 carbon atoms, or an alkoxymethyl radical in which the alkyl moiety contains 1 through 4 carbon atoms, and R.sub.2 represents an alkyl radical of 1 through 4 carbon atoms in the 4-, 5- or 6-position, or R.sub.1 represents cyclopropyl and R.sub.2 represents hydrogen are useful as medicaments and, more particularly, as anti-ulcer agents.
    Type: Grant
    Filed: October 17, 1978
    Date of Patent: September 11, 1979
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean D. Bourzat, Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4164579
    Abstract: Compounds of the formula: ##STR1## wherein R.sub.1 represents alkyl of 1 through 4 carbon atoms in the 4-, 5- or 6-position of the pyridyl radical, and R.sub.2 represents hydrogen or alkyl of 1 through 4 carbon atoms, are useful as anti-ulcer agents.
    Type: Grant
    Filed: May 16, 1978
    Date of Patent: August 14, 1979
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean D. Bourzat, Daniel Farge, Andre Leger, Gerard Ponsinet
  • Patent number: 4131674
    Abstract: Heterocyclic compounds of the formula: ##STR1## wherein the pyrroline ring and the symbols X.sub.1 and X.sub.2 together form an unsubstituted or substituted isoindoline nucleus, or a 6,7-dihydro-5H-pyrrolo[3,4-b]pyrazine, 6,7-dihydro-5H-pyrrolo[3,4-b]pyridine or 2,3,6,7-tetrahydro-5H-1,4-oxathiino[2,3-c]pyrrole nucleus, the 1,8-naphthyridin-2-yl nucleus is unsubstituted or substituted, and the grouping --NR.sub.1 R.sub.2 is an amino or substituted amino group, are new compounds which are active as tranquillizers, hypnotics, anti-convulsant agents and anti-spasmodics.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: December 26, 1978
    Assignee: Rhone-Poulenc Industries
    Inventors: Claude Cotrel, Cornel Crisan, Claude Jeanmart, Andre Leger