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7278228 |
Hinged tooth
The invention relates to a hinged tooth for a cutting wheel comprising a pivot bearing for pivotally supporting on a pivot pin located on a cutting wheel hub, a cutting tooth support extending from...
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6925940 |
Tamping tine for a tamping unit
A tamping tine for tamping ballast underneath a railroad track has a tine shank and a tine pad attached to the shank. For increasing its abrasion resistance, the tine pad is formed with a pad...
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6681867 |
Oscillating ground engaging tool
A ground engaging tool that oscillates in a motion, relative to the ground, that is substantially vertically upward, and then downward and forward in a direction in which the apparatus is moved.
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6574891 |
Excavation bucket incorporating an impact actuator assembly
An excavation bucket incorporating an impact actuator assembly is described herein. The excavation bucket includes a bucket body, a movable head, a movable floor portion mounted to the movable head...
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6517164 |
Hammer-ripper excavating system
A hammer-ripper system for use with the mounting on the boom arm, of an excavator/backhoe, of a conventional hydraulically-operated hammer fitted with a “shortened” chisel. A “ripping-type”...
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5946832 |
Vibration bucket arrangement
The invention relates to a vibration bucket arrangement comprising a bucket part (1) that comprises a bottom (2), a rear part (3) and lateral end parts (4 to 5). The arrangement further comprises...
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5813152 |
Snowblower chisel attachment
A snowblower chisel attachment includes an oscillatable elongate blade member oscillatably disposed at a bottom front of a snowblower housing; a pair of support arms pivotally suspended from the...
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5353532 |
Tooth of active-action excavator bucket
A characteristic feature of the present invention is that a damping unit is rovided between the casing, impact tool and elements of a pneumatic hammer. The damping unit may have a different design.
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5210964 |
Spot mounder method and apparatus
Method and apparatus for forming spot mounds used in assisting the germination and growth of tree seedlings in reforestation. A crawler moves forwardly while a digging blade connected to a frame is...
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4959915 |
Impact bucket apparatus
Impact buckets are useful, for example, in fracturing rock and other hard material which is to be excavated. Known systems using vibrating mechanisms which are mechanically coupled to a cutting...
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4892359 |
Bucket system with percussive penetration member
A bucket system which includes a bucket having a bottom with a digging edge. An impact-type penetration member projects beyond the digging edge to penetrate the surface of a body being excavated....
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4704812 |
Scraper pan with cutting blade
A blade assembly for the cutting edge of a scraper pan type earth mover includes a fixed blade having forward and downwardly projecting cutting teeth and a moveable blade also having cutting teeth,...
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4698925 |
Soil reclaiming implement
Apparatus for processing of soil by vibratory sifting to remove rocks and other objects embedded in the soil provides a scoop for use with a backhoe or crawler tractor having a positionable boom....
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4663868 |
Scoop wheel having oscillating impact cutters
A rotary wheel excavator having scoops with impact cutters only at the two front corners of the cutting edge of each scoop. Structure is provided for vibrating each impact cutter during a...
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4625438 |
Excavating bucket having power driven, individually controlled digging teeth
An excavating bucket, for example a bucket of the type used on a backhoe, has a leading or digging edge along which is provided a row of individually pneumatically driven digging teeth. Power for...
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4573743 |
Bucketwheel excavator with oscillating nozzles
Instead of teeth or similar cutting or loosening means, oscillating nozzles are arranged on the outer backs and the outer side walls of the buckets of the bucketwheel of a bucketwheel excavator,...
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4467539 |
Resonance aided front end loader
A front end loader has a loading bucket secured to a tractor and a transversely elongate cutter blade closely spaced forward of a lower front edge of the bucket. Improved apparatus for...
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4359102 |
Resonance aided earth-working equipment
A bulldozer having a transversely elongate cutter blade closely spaced from the bottom edge of the mold board is disclosed. The cutter blade is mounted for reciprocal motion in forward and aft...
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4132017 |
Blade for earth moving equipment
A blade for an earth moving machine mounted in the machine as to have at least one strip extending forward of the leading edge to engage and cut the soil by an oscillatory movement about an axis...
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3914883 |
Sonic tree harvester and method
A cutter blade structure is placed around the trunk of a tree to be harvested, and the blades thereof are driven vertically downwardly into the earth to sever the roots of the tree. Such downward...
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3889405 |
Excavator with teeth coupled for pivotal movement in opposite senses
An excavating bucket is provided with a ground penetration blade carrying a pair of teeth which are arranged to precede the blade as the blade enters the ground. The teeth are pivotally supported...
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3864852 |
HYDRAULIC OSCILLATOR FOR DIGGING BUCKET TEETH
An excavating device of the type having an open digging bucket being steadily forced at its edge into the material to be excavated so as to fill the bucket, the edge itself being arranged for...
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3828951 |
PROPORTIONAL FLUID DISTRIBUTION ASSEMBLY FOR BACK HOE HAVING RECIPROCATING TEETH
A back hoe apparatus including an articulated boom having a bucket affixed to one end of the boom, and hydraulic power fluid conveying lines extending along the boom to the bucket. Mounted in the...
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3809169 |
LOADING MACHINE IMPACT TOOL SUPPORTED BY ADJUSTABLE BOOM AND CARRIAGE
An earth-working vehicle having a first earth-working implement located at its forward end and a stowable second boom supported earth-working implement located along one side of the vehicle. The...
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3777500 |
PLOW HAVING A RECIPROCATING BLADE ATTACHMENT
The specification discloses a cable laying plow including a plow shank for connection to a prime mover. A plow point is mounted on the forward edge of the bottom of the plow shank, with guide...
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3739505 |
SYSTEM FOR AUTOMATIC OSCILLATION OF AN APRON TIP
A hydraulic control system for an articulated scraper apron having an articulated apron tip which provides automatic oscillation to the apron tip and thereby facilitates the closing of the apron...
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3677604 |
HYDRAULIC CONTROL FOR HYDRAULIC BUCKET HAVING RECIPROCATING TEETH
This invention relates to a device for the hydraulic control of a bucket in public works machines provided with at least one movable tooth coupled to a hydraulic hammer, comprising at least one...
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3645021 |
ARRANGEMENT IN LOADER BUCKETS AND THE LIKE PROVIDED WITH DIGGING BLADES
An arrangement for a loader bucket provided with digging teeth which are reciprocably displaceable in their longitudinal direction to create a picking action of the teeth against the surface to be...
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3563316 |
LOW PROFILE RESONANT PLOW
A sonically-driven resonator of a resonant plow or trenching tool is formed so that at least its major dimension extends in a plane substantially parallel to the surface of the earth formation...
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3550960 |
EXCAVATOR TOOTH DRIVING APPARATUS
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3512284 |
BACK HOE TOOTH STRUCTURE
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3481057 |
DIGGER TOOTH WEDGE ASSEMBLY
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3478450 |
EARTH MOVING APPARATUS WITH VIBRATING CUTTING EDGE
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3475841 |
SCRAPER WITH ECCENTRICALLY DRIVEN TEETH
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3473242 |
MANIPULATIVE SUPPORT MECHANISM FOR MOUNTING EARTH WORKING EQUIPMENT
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3448535 |
BACK HOE APPARATUS HAVING MOVABLE TEETH
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3396642 |
Subgrading machine
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3387890 |
Earth excavating device
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3375596 |
Earthmoving apparatus
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3367716 |
Sonic rectifier coupling for rock cutting apparatus
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3364602 |
Root cutter
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3336082 |
Method and apparatus for ripping rock by sonically vibratory teeth
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3328904 |
Power bucket
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3305953 |
Pneumatic tooth for earth excavator
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3293778 |
Maul impacting device for excavating buckets
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3268101 |
Side dump bucket
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3238646 |
Loader bucket with a vibrating blade
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3145488 |
Vibrating bucket
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3113390 |
Movable excavating bucket teeth
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3084817 |
Oscillatory digger
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