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| Number | Title | Issue Date |
| 7654018 | Excavation apparatus and method An excavation tool having a lever with an end adapted for receiving force from a user's foot, an excavation head mounted to the other end of the lever, and a fulcrum mounted on the lever at the upper end of the excavation head for resting against the soil surface. T... | 02/02/2010 |
| 7406399 | System and method for distributed reporting of machine performance Certain exemplary embodiments can include obtaining and analyzing data from at least one discrete machine, automatically determining relationships related to the data, taking corrective action to improve machine operation and/or maintenance, automatically and heuris... | 07/29/2008 |
| 7320380 | Swiveling utility machine having swivel deck A swiveling utility machine includes a swivel deck, an engine disposed at a rear portion of the swivel deck, a radiator disposed adjacent the engine, a driver's seat, a right implement controller disposed on the right side of the driver's seat and a left implement c... | 01/22/2008 |
| 7293374 | Crawler frame for construction machine A crawler frame includes a center frame and right and left track frames disposed at right and left sides of the center frame so as to extend in a back and forth direction, wherein legs for connecting a central frame section of the center frame to the track frames ar... | 11/13/2007 |
| 7204046 | Excavator sizing bucket A sizing bucket for use in excavation and particularly trench padding. Embodiments of the invention include an angled sizing member extending between a base plate and a back plate of the sizing bucket. An aperture extends through the base plate beneath the sizing me... | 04/17/2007 |
| 7191553 | Ditch digging bucket A one-pass bucket for digging a ditch by moving the bucket with its curved end down longitudinally of the proposed ditch, wherein the bucket includes a top wall, a bottom wall, a rear wall and a side wall diverging forwardly from the rear wall to an open front end o... | 03/20/2007 |
| 7165929 | Load bearing member arrangement and method In the design of load bearing members for use in work machines, it is oftentimes beneficial to minimize the weight of such structures which, in turn, may allow for increased payloads and decreased cycle times of the work machine. A load bearing arrangement for use w... | 01/23/2007 |
| 7111419 | Thumb for a backhoe A digging implement (10) including an extendable linkage (12) including a bucket (14) and a thumb assembly (34) for holding materials in the bucket (14). The thumb assembly (34) is configured to rotate as the linkage (12 | 09/26/2006 |
| 6834447 | Excavator sizing bucket A sizing bucket for use in excavation and particularly trench padding. Embodiments of the invention include an angled sizing member extending between a base plate and a back plate of the sizing bucket. An aperture extends through the base plate beneath the sizing me... | 12/28/2004 |
| 6626499 | Device for breaking up the outer layers of the ground For the breaking-up and removal of ground outer layers there serves an device that is constructed as a dredge shovel. On its rear side lying opposite the receiving opening it is provided with a milling and cutting arrangement that has a predetermined mill... | 09/30/2003 |
| 6615942 | Swivel type working vehicle A swivel type working vehicle having a turntable (3) with a rear hood (28) covering an engine (11) and a side hood (42) covering hydraulic equipment. The rear hood (28) includes a pivot device (30) disposed in an upper front end region thereof and having ... | 09/09/2003 |
| 6312194 | Device for excavating and redepositing earth A device for digging and backfilling of ditches, in particular for laying pipes, comprising an automotive travelling mechanism (2) carrying a machine frame (4) with an upper structure, a boom (6) pivoted on the machine frame (4) and having a plurality of ... | 11/06/2001 |
| 6226582 | Integrated control for electric lift trucks A control system for an electric lift truck that controls a traction motor and a hydraulic pump motor is disclosed. The speed of rotation of both motors is controlled by a pulse width modulated current supplied from a battery source by the controller in d... | 05/01/2001 |
| 6163987 | Removable blade assembly for trencher machine A removable blade assembly with an attachment arm slidably mounted over the support boom of a trencher machine. The attachment arm is stabilized in place on the support boom with pressure point bolts. From the attachment arm extend an angle support and an... | 12/26/2000 |
| 5901479 | Bucket for a front-end loader The present invention relates to a bucket for a front-end loader. The bucket comprises a planer back and an elongated relatively narrow bottom panel that projects from the back. Extending upwardly and outwardly from the bottom panel is a pair of opposed t... | 05/11/1999 |
| 5850704 | Assembly for the attachment of an accessory to a boom of a working machine An assembly for the attachment of an accessory to the boom of a working machine consists of a support block, quick-mounting devices attached to the block for mounting the accessory on the assembly and further on the working machine, a mounting bracket at ... | 12/22/1998 |
| 5815959 | Bucket shaped for reduced heel wear In earthmoving buckets, and more especially in deep buckets, the heel portion is subjected to excessive wear due to its extended shape rubbing or impinging upon excavation material while engaged in digging operations. The present invention teaches a bucke... | 10/06/1998 |
| 5715615 | Hydraulic working machine A hydraulic working machine includes a bonnet assembly extending along a rear end and opposite sides of a cab on a revolving upper structure so as to cover an internal combustion engine, a cooling fan, a radiator, and a hydraulic pump. The bonnet assembly... | 02/10/1998 |
| 5711095 | Hydraulic working machine having a projecting portion A hydraulic excavator includes a revolving upper structure having a rear half swingable within the width of the machine. The revolving upper structure has a front portion on which a cab is disposed. An internal combustion engine is mounted in the rear of ... | 01/27/1998 |
| 5526591 | Excavation bucket and method of digging An excavation bucket includes a bottom assembly which defines a scoop slot opening along a portion of the bottom assembly. The excavation bucket is useful for excavating material in a conventional manner in a first operating mode, and for fine-grading mat... | 06/18/1996 |
| 5515626 | Coupling device A coupling device for connection between the operating arm of an excavator and an implement (e.g. bucket) has upper and lower supports and a tilting device having a hinge with a tilt central axis and a transmission gear mounted to the upper and lower supp... | 05/14/1996 |
| 5495685 | Excavator bucket A characteristic feature of the invention lies in that the striking and sic teeth are so arranged on the working edge of the bucket that the distance between the axes of the striking teeth is (3.5-4.5)b while the distance from the working edge to the bla... | 03/05/1996 |
| 5493796 | Pipeline padding apparatus A backhoe operated bucket is provided with an opening containing a screen frame opposite its scraper blade equipped loading opening for separating coarse material contained by soil excavated from a pipeline ditch and depositing fine padding soil on a pipe... | 02/27/1996 |
| 5416990 | Excavation bucket An excavation bucket with a scoop provided at a bottom portion of the bucket to provided fine digging and grading of materials or trenches. The excavation bucket is particularly useful for digging trenches near utilities and finishing trenches at proper g... | 05/23/1995 |
| 5398430 | Earth moving and compacting rig An earth moving and tamping apparatus rig is provided which can backfill a trench and compact the backfill materials up to 95% compaction. A bucket and a vibrator are attached to a backhoe. The bucket retrieves the filling material and either dumps the ma... | 03/21/1995 |
| 5379534 | Bucket equipped with mixing device, excavation machine having the bucket, and soil improvement method using the excavation machine A bucket equipped with a mixing device for use in work for improving the soil of grounds such as road grounds, an excavation machine having such a bucket, and a soil improvement method using such an excavation machine. The bucket is equipped with a mixing... | 01/10/1995 |
| 5353531 | Ditch digging apparatus and method A bucket for digging a ditch by moving the bucket longitudinally of the proposed ditch, rather than in the usual transverse direction, includes a top wall, a bottom wall, a rear wall and a pair of side walls diverging forwardly from the rear wall to an op... | 10/11/1994 |
| 5315772 | Farm tractor with backhoe bucket A small utility tractor having a front-end loader which is modified to include a backhoe digger mounted on the front-end loader is disclosed. The backhoe digger is readily attached to or detached from the front-end loader to provide a digging function at ... | 05/31/1994 |
| 5295318 | Backhoe-loader A backhoe-loader with a undercarriage resting on wheels and comprising at its front end a loader structure with a loader arm and a loading bucket and at the other end a superstructure revolving 360° , a driver cab is mounted to one side of the superstruc... | 03/22/1994 |
| 5271170 | Scoop for a mobile implement A scoop for a mobile implement such as an excavator or an excavator-like device is made in two parts in the form of scoop sections able to be pivoted about parallel pivot axes by a piston and cylinder unit. The scoop includes an attachment head so that th... | 12/21/1993 |
| 5267402 | Bucket assembly for a tractor A bucket assembly for a tractor has a plastic bucket in the form of a trough including a rear wall, a top wall, a bottom wall and a pair of end walls. A plurality of strengthening ribs having first and second legs are fastened to the bottom and rear walls... | 12/07/1993 |
| 5251389 | Brace for maintaining relative arm-dipper angle The invention is an improvement in a machine such as a surface mining "shovel" having an arm, a bucket-like digging dipper and a brace. The latter is used to maintain a selected "rake angle" between the arm and the dipper. The brace has first and second e... | 10/12/1993 |
| 5212897 | Trenching attachment for an earth moving bucket A trenching attachment for use on a toothed earth moving bucket which converts conventional backhoe or similar earth moving machines into devices capable of excavating a continuous trench. The attachment may be mounted on any toothed earth moving bucket, ... | 05/25/1993 |
| 5197212 | Auxiliary ripper tooth attachment for use in conjunction with a backhoe An excavation apparatus including a backhoe bucket having a novel ripper tooth assembly secured to a convex rear side of the backhoe bucket. The ripper tooth assembly includes a mounting base attached to the backhoe bucket. A pair of spaced, parallel, too... | 03/30/1993 |
| 5195863 | Excavator loader This loader-excavator has a boom divided into an inner boom (9) and a main boom (18), the latter being articulated at the free end (17) of the inner boom. The inner boom is pivotally mounted near the front end of the turntable (3) of the machine, and can ... | 03/23/1993 |
| 5088213 | Front hoe attachment for loader A front hoe attachment for a loader includes a connecting frame which is capable of being attached to the manipulating mechanism at the front end of a loader such as a tractor. The connecting frame has a bucket secured to its outer end so that the bucket ... | 02/18/1992 |
| 4974349 | Backhoe compactor apparatus An improved earth compacting apparatus having the earth excavating bucket and earth compacting roller mounted to a hydraulically operated boom commonly known as a back-hoe. In said apparatus the earth compacting roller may be attached or removed without s... | 12/04/1990 |
| 4541161 | Method of remodeling control section of backhoe A method of remodeling a control section of a backhoe comprising adding a relay unit including relay rotary sleeve shafts and rotary shafts rigidly attached to a carrier base to extend in two parallel rows, and operatively connecting the rotary sleeve sha... | 09/17/1985 |
| 4509895 | Crowd drive assembly for power shovels In a power shovel having a main support unit, a front end assembly operatively connected to the main support unit and a rope crowd system mounted on the main support unit and operatively connected to the front end assembly, a crowd drive assembly for the ... | 04/09/1985 |
| 4444542 | Vehicle with double booms An earth-working vehicle with a pair of articulated booms mounted side-by-side adjacent the forward end of a turntable in the vehicle. The booms pivot in parallel vertical planes that parallel the longitudinal axis of the turntable. An operator's station ... | 04/24/1984 |
