Belt Or Chain Drive Patents (Class 172/106)
  • Patent number: 11122724
    Abstract: A tilling apparatus is disclosed. The tilling apparatus includes a central rotating assembly and multiple tiller blades. The tiller blades are attached to the circumference of the central rotating assembly. At least one surface of the tiller blades has an involute curve. A tilling apparatus is also disclosed including a central rotating assembly, multiple tiller blades in circumferential rows, a hitch assembly, and a frame. The central rotating assembly is mounted longitudinally on a horizontal shaft and has a fillable cavity. Each tiller blade has at least one surface with an involute curve. A ratio of the central rotating assembly's radius to a radial length of the tiller blades is at least about 1:1.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: September 21, 2021
    Inventor: Joshua Zulu
  • Patent number: 8866010
    Abstract: A differential signal transmission cable includes a pair of center conductors for transmitting a differential signal, an insulator covering peripheries of the center conductors, a shield tape longitudinally wrapped around the insulator, an insulating tape including an adhesive surface and spirally wrapped around the shield tape while the adhesive surface faces inside, and a non-adhesive tape provided between the shield tape and the insulating tape along a longitudinal direction, and non-adhesively covering a part of an outer periphery of the shield tape in a circumferential direction.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: October 21, 2014
    Assignee: Hitachi Metals Ltd.
    Inventors: Hideki Nonen, Takahiro Sugiyama
  • Patent number: 7861811
    Abstract: An implement drive arrangement for a wheel axle assembly pivotally connected to a housing. A drive element is supported on the axle for rotation with the wheel generally about the wheel axis. The housing rotatably supports a driven element for rotation about an axis generally fixed in relation to the housing. A free-floating connecting element is rotatably supported between the drive element and the driven element to facilitate relatively unimpeded pivoting of the axle and wheel relative to the housing. The connecting element has two degrees of freedom offset at 90° to one another and aligned radially relative to the axis of rotation to accommodate axle pivoting while assuring smooth transfer of power from the wheel to the driven element as the angular relationship changes between the axle and housing with movement of the wheel over irregular ground surfaces.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: January 4, 2011
    Assignee: Deere & Company
    Inventors: Rogerio Kroth, Ademar Gelbhar
  • Patent number: 5347939
    Abstract: Improved agricultural apparatus including a three-point hitch frame for attaching to a vehicle and to a tool bar assembly. Three-point hitch frame includes L-shaped retaining members for engaging the tool bar assembly and may be substantially U-shaped. The invention is also embodied in an agricultural apparatus with a hitch frame for attaching to a vehicle and to a tool bar assembly and including a metering hopper system attached to the upper side of the hitch frame. The invention is also embodied in an improved ground contact metering wheel assembly for maintaining contact with the ground even on uneven terrain. The present invention has particular applicability as an interseeding apparatus.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: September 20, 1994
    Assignee: Clemson University
    Inventors: Clarence E. Hood, Jr., Charles R. Dubose
  • Patent number: 4913241
    Abstract: A rod weeder attachment including a clamp arrangement for mounting upon a tool bar of an agricultural implement, an arm which extends rearwardly from the clamp and is spring biased downwardly toward the ground, a ground wheel mounted upon the rear end of the arm which is a peripheral surface for running upon the ground and for defining the height of the arm above the ground, a pair of shanks which extend downwardly from the arm, a rod support on a lower end of the shanks in bearings which allow rotation of the rod about its axis and a drive arrangement which communicates drive from the ground wheel to the rod to rotate the rod as it moves through the ground. The arm is formed in two parts a rear part of which carries the ground wheel and is freely pivotal. The free pivot action of the rear part allows the ground wheel to move forwardly when inoperative so that its periphery is below the level of the rod.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: April 3, 1990
    Inventor: Duane Haukaas
  • Patent number: 4259872
    Abstract: A ground wheel drive apparatus for producing rotational power to drive seed planters, fertilizer applicators or other devices of the type carried on a farm machine. The apparatus includes a fixed frame for mounting on the toolbar of the farm machine and that frame has a transverse drive shaft journaled thereon. A trailing frame is pivotably carried on the transverse drive shaft and has a ground engaging wheel journaled on its extending end. One end of the transverse drive shaft is coupled to the ground engaging wheel and the other end is coupled to the devices on the farm machine so that rotation of the wheel drives the transverse shaft which in turn drives the devices on the farm machine.
    Type: Grant
    Filed: June 29, 1979
    Date of Patent: April 7, 1981
    Inventor: Earl E. Chandler
  • Patent number: 4137853
    Abstract: A pull type folding grain drill driven by the gauge wheels including pivoting legs carrying the gauge wheels which drive a clutch shaft through a first chain and sprocket drive, the clutch shaft axis being offset from the pivoting leg axis. A second chain and sprocket drive between the dispensing seed shaft and the clutch shaft including an idler pulley having cam means on the end thereof for disengaging a clutch on the clutch shaft when the pivoting legs are rotated to lift the planter out of the ground in the transport position.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: February 6, 1979
    Inventor: Harley G. Peterson
  • Patent number: 4136744
    Abstract: A power tillage device is provided having a passive rolling coulter as the prime mover for a power tillage blade which is carried in the lead of the coulter on a transfer case mounted as a radius arm on the counter shaft. The tillage blade rotates in the opposite direction from the coulter and is designed for optimum efficiency for shearing and lifting soil from a furrow.
    Type: Grant
    Filed: July 12, 1977
    Date of Patent: January 30, 1979
    Assignee: The University of Kentucky Research Foundation
    Inventors: Daniel E. Hammett, Edward M. Smith
  • Patent number: 4117788
    Abstract: Seed sowing apparatus comprising a plurality of ground-engaging discs arranged in staggered relationship in two or more rows and driven from ground-engaging wheels, with individual seed metering devices carried by and driven by each disc to deposit seeds at regularly spaced intervals.
    Type: Grant
    Filed: April 6, 1977
    Date of Patent: October 3, 1978
    Inventor: Edward Whitehead
  • Patent number: 4077477
    Abstract: According to this invention there is provided a soil cultivating implement comprising a plurality of downwardly extending tines arranged in a transverse row and rotatable ground engaging members that are located in front of and behind the row of tines with respect to the intended direction of operative travel of the implement, at least one of the rotatable ground engaging members being in the form of a roller which is mechanically driven during operation, said roller being disposed to the rear of said row of downwardly extending tines and comprising a number of longitudinal elements which extend in the direction of the axis of rotation of the said roller.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: March 7, 1978
    Assignee: C. van der Lely N.V.
    Inventors: Cornelis van der Lely, Ary VAN DER Lely
  • Patent number: 4033416
    Abstract: A cutting blade is carried on a shaft rotatable about an axis positioned adjacent a row crop. The blade extends across the longitudinal centerline of the row and cuts plants as the machine moves forward until a sensing means registering on forwardly positioned plants actuates the knife and causes it to rotate rearwardly along the row and away from the next plant in the row to be retained. The rotation continues until a knife portion is now positioned on the front side of the plant to be retained and a portion of the knife extends rearwardly along the side opposite the axis of rotation of the blade. The machine continuing to move forward will again clear plants from the row until the sensing means actuates the blade to rotate again thereby causing predetermined plants to be retained while plants inbetween are thinned out.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: July 5, 1977
    Assignee: Orthman Manufacturing, Inc.
    Inventor: Henry K. Orthman
  • Patent number: 3941193
    Abstract: Disclosed is a tilling apparatus characterized by a regulating drive connection between the towing tractor drive axle and the tiller shaft, the tiller tines having a modified arcuate configuration which provide a pocketed, rather than a furrowed or channeled, tilling depth profile.
    Type: Grant
    Filed: October 10, 1974
    Date of Patent: March 2, 1976
    Inventor: Paul W. Shoemaker