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| Number | Title | Issue Date |
| 7207575 | Suspension with torsion-resisting cylinder A rear tractor suspension for a tractor includes a suspension arm pivotally coupled to the chassis of the tractor, and a hydraulic cylinder coupled to the suspension arm to support it. The hydraulic cylinder conveys only longitudinal forces in a first mode of operat... | 04/24/2007 |
| 7072763 | Intelligent load distribution system A vehicle information system has a first load sensor for generating a first load signal based on a first vehicle load. A first position sensor generates a first position signal based on a position of a vehicle axle. A second position sensor generates a second positi... | 07/04/2006 |
| 6739611 | Force-sensing fifth wheel A sensing system employs multiple sensors utilizing mounting structure integrated into a fifth wheel hitch and which is protected from the environment, is capable of accurately measuring forces along longitudinal and vertical axes for providing information as to rol... | 05/25/2004 |
| 6302424 | Force-sensing fifth wheel A sensing system employs multiple sensors utilizing mounting structure integrated into a fifth wheel hitch and which is protected from the environment, is capable of accurately measuring forces along longitudinal and vertical axes for providing informatio... | 10/16/2001 |
| 6253627 | Thin-line towed-array force measurement apparatus and method An apparatus for measuring the force applied to a thin-line towed array having a towed array hose formed as part of a thin-line towed array. Coupling components divide the interior of the towed array hose into compartments. Axial tension measurement devic... | 07/03/2001 |
| 6073496 | Load hoisting apparatus A hoisting apparatus, includes a handle positioned above a load-engaging member for grabbing by an operator to manually move and guide a load, a lifting mechanism positioned above the handle and operatively connected to the handle via a flexible transmiss... | 06/13/2000 |
| 5584347 | Implement linkage draft force sensing arrangement An arrangement for sensing the draft force on a linkage such as a tractor three-point linkage comprises a backplate (12) with flexible webs (16) extending from it. Depending from the webs (16) are spurs (18) which, at their lower end, join each other and ... | 12/17/1996 |
| 5526702 | Arrangement of measuring devices on a semitrailer motor vehicle The present invention relates to an arrangement of measurement devices on a semitrailer motor vehicle having a tractive unit, a semitrailer unit, and a fifth wheel fastened to the tractive unit. The measuring arrangement includes a support structure for t... | 06/18/1996 |
| 5511812 | Fifth wheel coupling A vertical and longitudinal force sensor for use in a fifth wheel hitch. The sensor comprises a beam and transducers for measuring the horizontal and vertical deflections at true center of the beam. The beam comprises two outer parts and an inner part whi... | 04/30/1996 |
| 5501108 | Testing device for wipper hooks Testing device for wipper hooks on vessels. The testing device comprises a pontoon to be positioned against the vessel on which the wipper hooks have to be tested. The pontoon can be displaced relative to the vessel with the help of winches. On the pontoo... | 03/26/1996 |
| 5497669 | Force measuring device Force measuring device including a rigid, piston-type inner element (2) and a rigid, cylindrical outer element (4) having an interior conture complementary to the peripheral surfaces of the inner element (2); a narrow annular gap (3, 3a, 3b) between surfa... | 03/12/1996 |
| 5493920 | Arrangement of measuring devices on a semitrailer motor vehicle The present invention relates to an arrangement of measuring devices on a semitrailer motor vehicle having a tractive unit, a semitrailer unit and a fifth wheel fastened to the tractive unit. An intermediate plate is disposed between the fifth wheel, the ... | 02/27/1996 |
| 5477739 | Process for determining the overrun force of a trailer A process is disclosed for determining the overrun force which is produced by a trailer on a tractor during the braking operation without the requirement of a force sensor on the coupling. This process consists essentially of determining the equilibrium o... | 12/26/1995 |
| 5456122 | Cable load transducer An apparatus for measuring the loads, moments and torque at a constrained d of a cable created by the action of the cable in a fluid medium in which the cable is suspended. The cable is suspended in the medium by means of a strut. The apparatus connects t... | 10/10/1995 |
| 5452766 | Hydraulic control system for a tractor A control system for controlling a hydraulically operable link mechanism mounted on a working vehicle. The link mechanism includes lift arms, a hydraulic actuator for controlling the lift arms, a first and a second lower links each connected at one end th... | 09/26/1995 |
| 5438881 | Arrangement of measuring devices on a semitrailer motor vehicle The present invention relates to the arrangement of measuring devices on a semitrailer motor vehicle having a tractive unit, a semitrailer unit and a fifth wheel fastened to the tractive unit. The measuring devices(s) in each arrangement are disposed betw... | 08/08/1995 |
| 5435194 | Arrangement of measuring devices on a semitrailer motor vehicle The present invention relates to an arrangement of measuring devices on a semitrailer motor vehicle having a tractive unit, a semitrailer unit and a fifth wheel fastened to the tractive unit. The fifth wheel has a coupling plate which is pivotally dispose... | 07/25/1995 |
| 5178220 | Device for controlling the attitude of an implement drawn by an agricultural machine The device is mounted in an agricultural machine comprising two links for drawing an implement, a lifter member and a central control unit for controlling the member. The device comprises: two horizontal bars carried in the form of brackets from the chass... | 01/12/1993 |
| 5109707 | C-beam force sensor A draft force sensor includes a generally C-shaped member formed by a beam and a pair of lugs which both project to one side of the beam. Coupling holes are located in each lug and the centers of the holes are off-set from the centerline of the beam. One ... | 05/05/1992 |
| 5101909 | Bending shaft draft force sensor A draft force sensor includes a bendable shaft which extends laterally though a pair of spaced apart supports. Draft links are coupled to the ends of the shaft. A curved flexible strap is positioned between the supports and has its ends coupled to the sha... | 04/07/1992 |
| 5060965 | Trailer coupling with force sensing means A trailer coupling including an intermediate unit to be inserted between a standard-type connecting coupling and a trailing vehicle and having integrated therein a force measuring cell for determining vertical forces. Furthermore, horizontal pushing and p... | 10/29/1991 |
| 5042586 | Tractor draft force sensor An articulated tractor has left and right laterally spaced apart, fore-and-aft extending side frame members which are rigidly attached between front and rear drawbar supports. The tractor also includes left and right draft links, each draft link having a ... | 08/27/1991 |
| 5036714 | Coupling device for controlling axial thrust forces The present invention provides an apparatus for recording the axial force exerted by a coupling device. This apparatus measures the pressure which the axial force exerts on an elastomer-type spring-like element and for this purpose a pressure sensor is mo... | 08/06/1991 |
| 4982613 | Force sensor A force sensor has a hollow flexible body with a fixed end and a free end. The force to be measured is applied perpendicular to the axis of the flexible body by a link coupled to the free end. A rigid gauge rod is connected to the free end of the flexible... | 01/08/1991 |
| 4864874 | Force measuring device A novel force measuring device of simple design is provided with complementary stop surfaces protecting the device against over-loading. Alternatively, overloading is prevented by duplicating the force measuring device with two portions operating in oppos... | 09/12/1989 |
| 4858475 | Apparatus and method for measuring strain Apparatus and method for measuring strain on a pin with one or more strain gage elements disposed within an open-ended axial bore formed in the pin, wherein the strain gage element or elements is or are mounted on a plug that is inserted into the bore wit... | 08/22/1989 |
| 4721001 | Arrangement for mechanical measurement and regulation of pulling force of tractor An arrangement for mechanical measurement and for regulation of a pulling force of a tractor, has a bending-elastic element whose bending is sensed by a sensing device which acts on a lifting device for a three-point linkage of the tractor, wherein the be... | 01/26/1988 |
| 4640368 | Draft sensor including strain sensor coupled to load strap A draft force sensor includes a bracket fixed to a tractor frame part. The bracket includes a pair of laterally-spaced legs which support a shaft to which is coupled the fore-end of a draft link. An end of the shaft is coupled to one end of a load strap. ... | 02/03/1987 |
| 4628583 | Strain transducers A strain transducer is adapted to measure strain at a chosen depth below the surface of a workpiece, such as at the neutral axis of a draft bar. The transducer has a hollow cylindrical plug (6) projecting from a co-axial shoulder (7) of slightly larger di... | 12/16/1986 |
| 4510814 | Snap-in force sensor with bellows A snap-in LVDT force sensor includes a housing having separate chambers for enclosing an LVDT and an assembly of circuit components. One end of the housing is coupled for movement with one link of a two-link frame which is subject to the forces to be meas... | 04/16/1985 |
| 4499775 | Tractor draft sensing apparatus with sensing unit positioned outboard of each link A tractor draft sensing apparatus in which a shaft (14) is supported at laterally spaced locations (15) on a tractor and carries at locations (22) outboard of the shaft supports a pair of lower draft links (10) so that the imposition of a draft link (10) ... | 02/19/1985 |
| 4497375 | Force measuring apparatus mounted on tractor including Hall sensor detecting deformation of flex rod to control tractor power hoist A force measuring procedure and a force measuring apparatus are used to control the power hoist of an agricultural tractor. The force measuring procedure operates in such a manner that the relative displacement of a point on an elastic system is detected ... | 02/05/1985 |
| 4456074 | Force measurement device for controlling the position of an implement for towing by an agricultural machine A force measuring device for an implement for towing an agricultural machine comprising at least one connection arm between the implement and a flexure bar mounted on said agricultural machine, at least one lever connecting the arm to a control system, wh... | 06/26/1984 |
| 4422341 | Snap-in draft sensor A draft sensor includes a frame with an opening between a pair of spaced-apart portions which have a variable separation depending upon the force applied to the ends of the frame. Recesses or bores in the spaced-apart portions receive projections which pr... | 12/27/1983 |
| 4420755 | Telemetry load link assembly A mid-way recovery system having an aircraft with a winch and cable system for recovering parachute descending objects wherein a telemetry load link system monitors the strain placed upon a cable by having a telemetry load link assembly connected into the... | 12/13/1983 |
| 4386533 | Capacitance transducer A load transducer for sensing longitudinal tension includes a pair of deformable members with spaced-apart central portions, the spacing between which varies as a function of the longitudinal tension applied to the ends of the deformable members. The plat... | 06/07/1983 |
| 4367656 | Single axis force transducer A transducer for sensing forces in a single axis. A beam (14) which may be the draft link of a tractor is provided with an intermediate central beam (32) defined by two relatively narrow parallel slots (30) disposed closely adjacent to the neutral plane (... | 01/11/1983 |
| 4319766 | Vehicle trailer hitch The ball element of a ball type trailer hitch is separated along a horizontal plane of bisection and into two substantially hollowed out ball halves. The threaded outer perimeter of a wheel type vertical load measuring transducer is threaded to the inside... | 03/16/1982 |
| 4253331 | Force measuring device This lower link for a three-bar hitch provides a practical way to determine the tension force present in a lower link independent of any bending or other loadings. The link is formed of two bars which are bent out from each other to an intermediate point ... | 03/03/1981 |
| 4160485 | Tractor with draft load control system A tractor draft load monitoring system responsive to tractor and associated implement load changes. The system is particularly adapted for a tractor having an engine/transmission power unit coupled to its drive shaft. The power unit is mounted on the fram... | 07/10/1979 |
