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| Number | Title | Issue Date |
| 7591090 | Civil engineering loading machine A loading machine has working equipment which includes at least one arm, an actuator for displacing the arm, a working tool hingable with respect to the arm, a main kinematic chain forming together with the working tool part and the arm part a main deformable mechan... | 09/22/2009 |
| 7356949 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 04/15/2008 |
| 7326023 | Rear eject body for off-highway haulage units A rear eject body for a truck is provided. The body includes a floor and a pair of opposing sidewalls. A tailgate extends between the opposing sidewalls at a rear end of the rear eject body. The tailgate is pivotally supported for movement between an open position a... | 02/05/2008 |
| 7284346 | Systems and methods for controlling the removal of soil from an earth moving scraper Hydraulic systems for controlling movement of an apron and a bucket of earth moving apparatuses are disclosed. The hydraulic system includes a hydraulic fluid supply, a hydraulic cylinder for moving the apron, a hydraulic cylinder for moving the bucket and a valve f... | 10/23/2007 |
| 7117952 | Automated attachment vibration system One embodiment of the present invention pertains to a system, including a mechanical arm, an attachment member, an actuator, a power system, an electronic control, and an operator interface. The attachment member is tiltably mounted on the mechanical arm about a piv... | 10/10/2006 |
| 6968241 | Device and method for controlling the position for working devices of mobile machines The invention relates to a device for controlling the position for work devices (41) of mobile machines (40). The inventive device comprises a measuring device (1,2) for measuring an angle (α) which is formed between a level (42) that is... | 11/22/2005 |
| 6910289 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 06/28/2005 |
| 6356829 | Unified control of a work implement A control system for a backhoe apparatus is disclosed. Backhoe apparatus control system includes a kinematic optimal control including the augmentation of additional tasks that can be formulated into the optimal control problem. Further, the control syste... | 03/12/2002 |
| 6301808 | Earth moving equipment An earth moving and land grading machine includes a frame and road wheels mounted on the frame, with a forwardly directed device for permitting connection to a prime mover. The frame has a bin for receiving material. A rear wall is movable between a first... | 10/16/2001 |
| 6092316 | Ejector apparatus for an earth moving scraper bowl An earth mover includes a scraper bowl with an arcuate bottom wall and a pair of side walls attached to a frame. An ejector panel is supported by a pair of pivoting support links, each of which is pivotally attached to the frame above the upper limit of t... | 07/25/2000 |
| 6041528 | High performance ejector scraper An ejector-scraper comprising a hopper having an ejector assembly mounted therein for selectively discharging dirt and debris from the interior of the hopper. The ejector is displaced longitudinally through the hopper through a retractable scissors-actuat... | 03/28/2000 |
| 6032389 | Earth mover with leveling device or fixed cutting edge earth mover An earth mover includes a fixed scraper blade and a moveable floor section. The moveable floor section can be pulled rearwardly to provide an opening between the fixed scraper blade and the forward edge of the floor section. The floor section is mounted o... | 03/07/2000 |
| 5960378 | Excavation area setting system for area limiting excavation control in construction machines An excavation area setting system for area limiting excavation control in construction machines, with the excavation control being performed to calculate a target speed vector for control of a front device on the basis of a body, modify the target speed v... | 09/28/1999 |
| 5893225 | Mobile device for working and/or moving heaps of materials (ricks), and clearing apparatus preferably provided for it The invention relates to a mobile device for working and/or moving heaps, preferably stacked in the manner of an embankment, of compostable materials (ricks) or of materials which are suitable for a landfill, comprising travelling gear which can be moved ... | 04/13/1999 |
| 5839212 | Ejector apparatus for an earth moving scraper bowl A pair of links disposed at opposite sides and rearwardly of a scraper ejector panel pivotly support the panel from the upper limit of the bowl side walls and maintain it in substantially upright position as it moves forwardly in a downward arcuate path o... | 11/24/1998 |
| 4449733 | Elevationally adjustable fluid suspension system for a wheel tractor scraper or the like In a tractor-scraper combination having a single-axle two-wheel tractor and an earthmoving scraper articulately joined together, one or two hydraulic suspension jacks are operatively connected between the axle and main frame of the tractor for varying the... | 05/22/1984 |
| 4366635 | Pivoting ejector for elevator scraper A pivoting ejector for an elevator scraper including an ejector member pivotally attached to the scraper bowl capable of undergoing forward movement therein to urge earth material from the bowl for discharge, while undergoing pivotal movement to prevent c... | 01/04/1983 |
| 4308677 | Ejector type scraper There is disclosed an ejector type scraper wherein an ejector having a generally vertical front face is moved between rearward and forward positions, during loading and unloading of the bucket of the scraper, by means of hydraulically operated, extendible... | 01/05/1982 |
| 4307522 | Land Grading Machine A land grading machine comprising: a frame having support means supporting the frame for movement in a forward direction across a ground surface; a scraper blade for engaging the ground surface during such movement to effect grading by scraping ground material... | 12/29/1981 |
| 4255885 | Apparatus for controlling the position of the pivoting floor and strikeoff blade of an earthmoving scraper PCT No. PCT/US79/00927 Sec. 371 Date Nov. 1, 1979 Sec. 102(e) Date Nov. 1, 1979 PCT Filed Nov. 1, 1979 An earthmoving scraper has a pivoting floor which pivots from a closed position to an open position to dump and spread material previously loaded into t... | 03/17/1981 |
| 4188739 | Magnetic switch adjusting system A work vehicle has a frame, a movable first member, a first magnetic switch portion connected to the first member, and a second magnetic switch portion connected to the frame. Apparatus is provided for pivotally connecting the second magnetic switch porti... | 02/19/1980 |
| 4020574 | Pivoted scraper ejector with hydraulic means to provide level spread In earth-moving equipment wherein material is ejected from the bottom of a bowl through an open pivoted ejector floor and leveled by the front edge of the floor, the improvement wherein the bowl is automatically raised and lowered as the distance of the f... | 05/03/1977 |
| 3984927 | Automatic control of elevator height in scraper with manual setting and selection of alternate modes An elevating type scraper for earth moving purposes having an open-fronted bowl with rear supporting wheels and with a scraper blade at the front of the bowl. The bowl is pivotally supported on a pair of draft members forming a part of a tractor-supported... | 10/12/1976 |
| 3978597 | Draft sensing elevating scraper with automatic elevator speed control A removal control system for a scraper having a tractor pivotally attached to a bowl, said bowl having a cutting blade attached thereto, an elevator pivotally mounted on said bowl, an engine and utilizing an elevator control system and a cutting depth con... | 09/07/1976 |
| 3977100 | Hydraulic control system for elevating scraper An elevating scraper comprises a bowl which can be hydraulically raised and lowered, a motor-driven elevator which can be hydraulically raised and lowered, an ejector hydraulically movable forwardly from an aft position to eject material from the bowl and... | 08/31/1976 |
| 3977101 | Auger control system for a scraper A control system for the hydraulically powered auger of a self-loading auger scraper that has a hydraulic cushion hitch which is locked out when the scraper is loading. A multiposition manually controlled pilot selector valve which is used to lock out the... | 08/31/1976 |
| 3977102 | Load ejection improvement for auger scrapers A control system for the hydraulically powered auger of a self-loading auger scraper that has an ejector operated by a hydraulic cylinder. One manual control valve starts and stops the auger in conjunction with loading. A second manual control valve power... | 08/31/1976 |
| 3965587 | Quick drop control for scrapers An hydraulic control, especially for tractor scrapers, having a quick action capability employing a pilot fluid to unseat a holding valve initiating the release of high pressure exhaust fluid from a cylinder which is recirculated to the opposite end of th... | 06/29/1976 |
| 3947981 | Scraper bowl with hydraulic safety lock Frame-drawn scraper having a bowl with hydrospring suspension and hydraulic pump, comprising: bowl raise-lower means disposed between and connecting the scraper draft frame and bowl; and an intervening hose, accumulator, and motion sensitive blocking safe... | 04/06/1976 |