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7357595 |
Pavement removal machine
Portland Cement Concrete with steel reinforcement mats or rods used in airport runways, highways, and other objects need to have the cement broken up for recycling or disposal and the steel mat...
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7325625 |
Floor covering removal and impact tool
An impact tool particularly useful for floor removal material includes an elongated removable rod having an upper end and a lower end. A handle is connected to the upper end of the rod, and an...
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7207633 |
Scaling assembly
A scaling apparatus comprises a hammer component and a pick component which includes a tooth. The apparatus also includes a mechanism for moving the pick component with respect to the hammer...
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7175236 |
Hammer for breaking concrete
The hammer impact cracks the concrete, then separates the concrete from the steel and creates concrete aggregate. The hammer has a pair of arms with an angled portion for sliding on an angled...
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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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6128979 |
Roofing shovel
A power assisted roofing shovel for removing shingles and attached nails from a roof to facilitate re-roofing. The shovel comprises a handle, a shovel blade, a trigger mechanism, and a mechanism...
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5662386 |
Plunger-actuated surface-treating devices
Plunger-actuated surface-treating devices adapted for dislodging ice, linoleum, floor-tiles, carpets, and other topical-surfaces from underlying substrates. Several components of the disclosed...
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5390983 |
Roadbed profiler and method of profiling
A hard surface roadbed profiler designed to perform a repetitive drill hole collaring cycle. By generating a series of interconnected collar holes, an extended flat surface is created. The profiler...
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5102200 |
Impact ripper apparatus
Impact rippers are useful for transmitting high impact blows to a hard material for fracturing the material. When a linear reciprocating ram is used a mounting arrangement which maintains the ram...
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5072993 |
Self-contained shim pack assembly
Shim pack assemblies are useful for adjusting an dpositioning a guide relative to a moveable member. When adjustment is needed, shim plates are added or removed to move the guide relative to the...
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5018792 |
Impact ripper apparatus with linear reciprocating ram
Impact rippers are useful for transmitting high impact blows to a hard material for fracturing the material. When linear reciprocating rams are used, a mounting arrangement which will withstand...
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4984850 |
Linear impact ripper apparatus
Impact rippers are useful, for example, in fracturing rock and other hard material which is to be excavated. Known systems using structures which mount the impact hammer and the linear ram within a...
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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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4906049 |
Ripper using a hydraulic hammer and a method for making the improvement
An improved ripper using a hydraulic hammer with a rotating long service life hammer tool is provided. The tool is cylindrical with a large cylindrical upper portion and a central portion of...
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4900093 |
Impact ripper and control
Impact rippers are useful in fracturing rocks, concrete, etc. which cannot be fractured by ripping alone. Operating the impactor of the impact ripper without sufficient loading applied to the...
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4834461 |
Control system for a multiple shank impact ripper
Impact rippers are useful for ripping solid rock. The service life of the impactor can be extended if the impactor is operated only when the ripper shank is loaded sufficient to transmit the impact...
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4679857 |
Mounting frame for linear impact ripper assembly
A mounting arrangement for a linear impact ripper pivotally connected to a support frame and including an elongated torque tube or crossbeam having a pair of forwardly extending end plates...
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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...
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4382634 |
Material fracturing apparatus
An impacting apparatus (10) for fracturing material includes a housing (14) and a fracturing shank (12) which is mounted adjacent the housing (14) so as to reciprocate about a pivot axis (24). The...
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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...
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4374602 |
Pavement cutter
An improved system for cutting pavement into chunks for excavation is disclosed. A plurality of transversely spaced blade elements are provided with forwardly directed cutting edges, the cutting...
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4324435 |
Lock assembly for earthworking apparatus
A pivotal lock member (27) is secured to an earthworking apparatus (10) and a plurality of lock stations (28,29,30) are connected to a mounting assembly (21) which supports the earthworking...
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4253706 |
Magnetic breaker bar
An improved drop hammer or slag breaker is disclosed for use with cranes equipped with electromagnets. The breaker combines a working end made of a specially shaped manganese steel body, which is...
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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...
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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...
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4003603 |
Impact means for ripper
An earth working apparatus having a ripper for loosening earth and the like. An impact member is associated with the ripper to provide a cushioned transfer of impact force for improved earth...
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3868145 |
ECCENTRIC RING IMPACTING MECHANISM FOR IN-SITU ROCK BREAKERS
There is disclosed a mechanically driven impact rock fracturing mechanism having a rotary eccentric shaft drive. An impact member in the form of a ring is rotatably mounted on the eccentric shaft...
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3805897 |
LOADER MOUNTED MATERIAL FRACTURING DEVICE
There is disclosed a hydraulic loader vehicle having a material fracturing implement substituted for the loader bucket on the linkage of the vehicle. The implement comprises a shank member and a...
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3770322 |
APPARATUS FOR FRACTURE OF MATERIAL IN SITU WITH STORED INERTIAL ENERGY
An earth working apparatus employs large amounts of stored energy which is cyclically delivered on demand to the work tool. The energy is stored in a large flywheel and delivered by suitable...
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3743033 |
ROTARY DRIVEN ROCK CUTTING EQUIPMENT
The invention relates to mobile rock cutting equipment which includes a rotor carrying a series of swing hammers which are adapted to strike cutting tools positioned against a rock face and mounted...
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3552501 |
DEVICE FOR BREAKING PAVEMENT AND THE LIKE
An impact tool to be mounted upon an implement, for breaking pavements and similar material. It comprises a hammer that is retracted against an "air spring" or similar means by a hydraulic cylinder...
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3397916 |
Rock crushing apparatus
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3251629 |
Material stripping machine
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