|
Match
|
Document |
Document Title |
|
|
4802787 |
Electrical control system
A control apparatus for a pavement breaker which includes a carriage, a lifting means for raising and lowering an impact arm which impact arm includes a tool for impacting a surface, mounted on one...
|
|
|
4750566 |
Resilient connecting means for lifting vibratory device
An improved vehicle-mounted lifting apparatus for a vibratory device. The apparatus includes bearings in which a principal pivot shaft is journaled, a lifting link and at least one center-bonded...
|
|
|
4703838 |
Recoil damper for a reciprocating member
A recoil damper (10) for a reciprocating member (12) mounted in a housing (24) includes a annular ring (38,138) mounted adjacent a shoulder (28) formed on the reciprocation member, the annular ring...
|
|
|
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....
|
|
|
4679337 |
Material working machine with vibrating tool carrier
The machine comprises a vibrator (26) for applying vibratory forces, and a member (30) for applying non-vibratory forces to a vibratory tool carrier (52) to which is removably attached a working...
|
|
|
4666213 |
Rock breaker tool
A rock breaker tool for use with earth working apparatus is disclosed. The tool includes a ripper tooth employed with a hammer and anvil arrangement located above the upper portion of the tooth....
|
|
|
4652176 |
Vibratory plow with blade having regressive longitudinal axis
A vibratory plow blade having a tapered leading edge, a trailing edge, and a tapered bottom edge wherein the plow blade is configured such that its longitudinal axis regresses or is arcuately...
|
|
|
4647247 |
Method of compacting a material layer and a compacting machine for carrying out the method
Method and apparatus for compacting a layer of material using a compacting machine having at least one drum which is rolled over the layer; the material layer is acted on by gravitational force of...
|
|
|
4632192 |
Multiple-unit apparatus for lifting sod
A sod cutting unit supports a vibrating sod-cutting blade on a pivot under a platform and driving and control mechanism above the platform, while drawing the platform across a field on a support...
|
|
|
4619552 |
Vibration proof suspension type vibrating roller
An improved vibration proof suspension type vibrating roller is disclosed which includes a rolling roller rotatably supported in a frame structure, a hydraulic motor for rotating the rolling roller...
|
|
|
4616713 |
Blade adjustment device for sod cutting machine
The blade adjustment device of the present invention is used with a sod cutting machine comprising a sod cutting blade, a sod roller positioned in close spaced relation to the blade for cooperating...
|
|
|
4611667 |
Reciprocating bulldozer blade
A reciprocating type of bulldozer blade which blade is mounted on a telescoping member for telescoping engagement with a support arm carried on the bulldozer proper, the improvement including a...
|
|
|
4588034 |
Vibratory plow blade
A vibratory plow blade which increases the efficiency of the plowing action. The tapered leading edge of the plow blade includes a plurality of saw-like teeth or serrations. The uppermost serration...
|
|
|
4586847 |
Vibratory mechanism
A road compacting drum is equipped with a dual amplitude, rotational, vibratory mechanism. A shaft rotatably mounted on the drum supports eccentric weights. Casings secured to the shaft adjacent...
|
|
|
4577995 |
Mechanism for generating vibrations for a ground compacting machine
An improved mechanism for generating vibrations in the horizontal plane for a ground compacting machine is disclosed. At least a rotary shaft with an eccentric mass mounted for generating required...
|
|
|
4573826 |
Mobile crusher unit for clearing rough terrain, preparing road formworks and roadbeds, operating open-works mines, and the like
The unit comprises a power-driven horizontal rotor including a shaft carrying radially mounted tool sets comprising hammers swivel-mounted at at least an intermediate point of the major dimension...
|
|
|
4553606 |
Sod cutting machine having split undercutting blade
A portable sod cutting machine having a light weight tubular frame and a split cutting knife to reduce vibration. The split cutting knife includes two horizontal undercutting blades facing each...
|
|
|
4541492 |
Earth-working tool head
A head for a powered earth-working tool is adapted to be driven by a rotating shaft which is driven by the prime mover of the tool. The head includes a housing having an opening for the shaft; a...
|
|
|
4506740 |
Vibrating earth ripping apparatus
A vibrating earth ripping machine which includes a main frame and a vibrating frame which is pivotally connected to the main frame by a pair of movable thrust absorbing arms. The vibrating frame...
|
|
|
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...
|
|
|
4463509 |
Vibratory plow assembly
A vibratory plow assembly which eliminates the need for elastic torque cushioning elements. The plow assembly includes a vertically extending support frame and a vertically extending shaker frame...
|
|
|
4457645 |
Apparatus for breaking pavement
A pavement breaking apparatus having variable impact force for fracturing concrete to a size and pattern specification without distorting the material. The apparatus includes at least one spring...
|
|
|
4453772 |
Modular impact ripper assembly
An improved ripper assembly (12) is joined to and drawn by a draft device (10) and includes a mounting structure (14), a ripper element (16), and an impactor apparatus (18). The mounting structure...
|
|
|
4438576 |
Vibrating ditcher plow
For the ditching of drains normally various types of excavating machines are used. This involves problems, however, especially when the ground has poor carrying capacity, for example in wetlands....
|
|
|
4411321 |
Cultivating implements
A cultivating implement to be carried by a vehicle comprises a frame (10) having spaced and opposed members (11, 12) between which a tine-carrying bar (13) is supported for gyratory motion the...
|
|
|
4379595 |
Ripper with offset impacting means and slotted shank
Previously known ripper apparatus comprise an impacting mechanism for applying impact forces to a ripper tip in an in-line relationship. The high spring rate exhibited by the shank induces high...
|
|
|
4375836 |
Apparatus for loosening soil
Apparatus for loosening soil as it moves over the surface of a field, has a cross-beam and a linkage for connecting the cross-beam to a vehicle, such as a farm tractor, for towing the apparatus...
|
|
|
4370894 |
Eccentric element
The invention relates to an eccentric element for generating oscillations in ground vibrators. The eccentric element comprises an eccentric mass (2) radially movable on a rotatable shaft (1). The...
|
|
|
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...
|
|
|
4353175 |
Resonantly driven trenching tool
A resonantly driven tool for forming a trench in base material is disclosed. A channel member is adapted to be aligned with the path of the trench to be formed. The channel member has a floor...
|
|
|
4343514 |
Resonant tool driving system with gap
A sonic generator produces a reciprocating force that is transmitted to a tool by a resonant or nonresonant force transmitting member having an output that reciprocates about a neutral position...
|
|
|
4330156 |
Resonant system speed control
A resonant work performing apparatus is disclosed which includes a resonant system which is vibratory in resonance at an unloaded resonant frequency. The resonant system has a vibratory input at a...
|
|
|
4285284 |
Seeder with pivoting soil breakers
A soil cultivating implement has a row of pivotable soil working members linked to a transverse beam of the frame and individual eccentrics are connected to the members to raise and lower soil...
|
|
|
4278368 |
Apparatus and method for compacting material
PCT No. PCT/US79/00495 Sec. 371 Date July 11, 1979 Sec. 102(e) Date July 11, 1979 PCT Filed July 11, 1979 A compacting apparatus (10) has an impact apparatus (17) and a compactor (19). The impact...
|
|
|
4269535 |
Earth working implement control system
An operating and down-pressure hydraulic control system for vehicle-mounted implements such as earth compactors and the like. The assembly of hydraulic cylinders, valving and a hydraulic...
|
|
|
4260290 |
Cable plow assembly
The disclosed vibratory cable plow has a generally horizontal boom supported on transverse horizontal and vertical pivots and a trailer supported on the boom by a vertical pivot. A plow blade is...
|
|
|
4258956 |
Method and apparatus for driving a single transversely elongated tool with a plurality of force transmitting beams
An elongated tool is mounted for reciprocal motion on a support frame. A plurality of resonant force transmitting beams each having an input, an output, and at least one resonant node, are...
|
|
|
4257648 |
Non-resonant cyclic drive system employing rectification of the cyclic output
A vibratory drive system for use in spalling a road surface, cutting rock, etc. Vibratory energy is generated by means of an orbiting mass oscillator, the output of which is rectified by means of a...
|
|
|
4252376 |
Ripping tool driving apparatus
A ripping tool positioned below the earth's surface is driven by the output of a vibrating, preferably, resonant, force transmitting beam which has lateral dimensions smaller than those of the...
|
|
|
4251111 |
Resonant beam for tool driving apparatus
A force transmitting, preferably resonant, beam having a pair of straight divergent legs meeting at a juncture. A work tool is located adjacent to the end of one leg, which is the beam output. A...
|
|
|
4250760 |
Drive assembly for pavement planing apparatus
A pavement chipping tool uses a sonic oscillator which includes a housing integral with a resonant beam. The oscillator includes a rotating shaft journaled in two sets of bearings with an eccentric...
|
|
|
4245705 |
Apparatus for taking off vibratory power for tractor
A vibratory power take-off apparatus for a tractor including a vibration producing unit detachably mountable on the frame of the tractor. The unit comprises a rotary transmitting shaft detachably...
|
|
|
4241615 |
Vibrating device
A vibrating device having a mass rotated about a first shaft while the first shaft is rotated about a second shaft.
|
|
|
4230369 |
Pavement planing method and apparatus
Asphalt or concrete pavement is removed from a road bed by an elongated cutter blade that extends in a downward and forward direction along a cutting plane to a cutting edge. The cutting plane...
|
|
|
4229045 |
Resonant tool driving apparatus with tool stop
A sonic generator produces a reciprocating force that is transmitted to a tool by a resonant or nonresonant force transmitting member having an output that reciprocates in forward and backward...
|
|
|
4229046 |
Tool driving apparatus and method
A sonic generator produces a reciprocating force that is transmitted to a tool by a resonant or nonresonant force transmitting member having an output that reciprocates about a neutral position...
|
|
|
4229044 |
Clevis-mounted impact ripper
An improved ripper assembly (10) wherein a ripper shank (19) is mounted to the beam (11) of a tractor by a clevis pin (22) so as to minimize side forces acting on the shank pin (25). The vertical...
|
|
|
4227578 |
Isolation frame
An isolation frame is connected between a conventional three-point hitch of a tractor and a vibrating plow frame. The vibrating plow frame has a plurality of rippers thereon and is mounted to the...
|
|
|
4200410 |
Cable laying device
A device is disclosed for excavating a trench in frozen or unfrozen soil and introducing cable within the trench thereby excavated. An integral vibrating or reciprocally moving blade breaks frozen...
|
|
|
4179227 |
Dynamic plow assembly and method of operating same
A plow assembly and method useful for burying an elongated flexible member at a predetermined depth beneath ground level. The arrangement utilizes a frame assembly adapted to be pulled by a tractor...
|