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rock crusher patents

US3058676A Rock crusher Google Patents

US3058676A Rock crusher Google Patents Rock crusher Download PDF Info Publication number US3058676A. US3058676A US10412A US1041260A US3058676A US 3058676 A US3058676 A US 3058676A US 10412 A US10412 A US 10412A US 1041260 A US1041260 A US 1041260A US 3058676 A US3058676 A US 3058676A Authority US United States Prior art keywords

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US5110058A Rock crusher Google Patents

US5110058A Rock crusher Google Patents Rock crusher Download PDF Info In conventional rock crushers, toggle plates also serve as a safety device, intended and designed to fracture if any uncrushable material enters the crushing chamber of the rock crusher 20, and thereby protect the more expensive components of the rock crusher.

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US5863006A Rock crusher Google Patents

The rotor of a vertical shaft impact rock crusher is balanced by placing steel balls in a hollow ring attached around the top of the rotor. The vanes within the impeller are constructed to form rock shields on the forward or impact side of the vanes. Rocks are fed into the impeller upon a free floating table. The top of the free floating table is protected by a tungsten carbide disc.

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US3987971A Rock crusher Google Patents

An impact type rock crusher having a rotor comprised of a plurality of stirrup type hammers adapted to swing through arcs of approximately 180° between bumper blocks about pivot axes as well as rotating about the main shaft of the rotor. The grate positioned beneath the rotor through which the crushed material exits may be moved uniformly radially with regard to the rotor to an alternate

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US8322643B2 Rock crusher attachment Google Patents

The present invention relates to the field of rock crushers, in particular, rock crusher attachments for earth moving equipment or the like. The rock crusher attachment includes a front bucket portion configured for scooping rocks to be crushed and a rear crusher portion connected to and in communication with the rear of the bucket portion.

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US20120018558A1 Rock crusher attachment Google Patents

The present invention relates to the field of rock crushers, in particular, rock crusher attachments for earth moving equipment or the like. The rock crusher attachment includes a front bucket portion configured for scooping rocks to be crushed and a rear crusher portion connected to and in communication with the rear of the bucket portion.

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US6935587B2 Mobile rock crushing plant Google Patents

A rock crushing plant including rock crushers, screens and conveyors. The assembly is modularized whereby major components and associated support structures are organized into movable modules that are independently movable from site to site over public roadways. The modules are equipped with appropriate support wheels for traveling and stabilizing jacks for stabilization of the modules at a

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Patents Assigned to Cedarapids, Inc. Justia Patents Search

Apr 10, 2008 Date of Patent: April 7, 2009. Assignee: Cedarapids, Inc. Inventors: Gregory A. Young, Steven A. Reicks. Jaw-type rock crusher with toggle plate tension bar. Patent number: 7510134. Abstract: A jaw crusher where the tension rod includes an electronically-controlled hydraulic pre-load and an automatically releasable pre-load whenever adjustments

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US8702024B2 Roller jaw crusher system Google Patents

A roller jaw crusher system including an elongated roller that rotates normally about a center axis, and a movable breaking plate configured to define a gradually smaller gap between the breaking plate and the roller, wherein the movable breaking plate is configured to rise upward and descend in both a downward direction and a direction toward the elongated roller to break a frangible material

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APPARATUS AND METHOD FOR A MODULAR ROCK CRUSHER

Mar 01, 2018 A rock crusher having a base frame with a rear section, an eccentric shaft assembly which is mounted on the base frame, and a common tension assembly which is housed in the rear section of the base frame. In the preferred embodiments of the rock crusher, the rear section of the base frame is configured to house a toggle plate/wedge assembly or a tramp iron relief system.

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APPARATUS AND METHOD FOR A MODULAR ROCK CRUSHER

Mar 01, 2018 A rock crusher having a base frame with a rear section, an eccentric shaft assembly which is mounted on the base frame, and a common tension assembly which is housed in the rear section of the base frame. In the preferred embodiments of the rock crusher, the rear section of the base frame is configured to house a toggle plate/wedge assembly or a tramp iron relief system.

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US Patent for Rock crusher impact shoe Patent (Patent

Justia Patents Miscellaneous US Patent for Rock crusher impact shoe Patent (Patent # 6,601,789) Rock crusher impact shoe . Mar 22, 2000 Spokane Industries, Inc. Disclosed is an impact shoe system generally for use in rock crushers, namely centrifugal rock crushers. This impact shoe system generally includes a plurality of wear inserts

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Rock crusher RAWSON; JAMES W.

Turn now to the drawings and, initially, to FIGS. 1-4, which illustrate a rock crusher 20 generally embodying the present invention. As best seen in FIG. 1, rock to be crushed is suitably delivered, as schematically represented by an arrow 22 to an upper, entry region of a jaw crushing mechanism 24 of the rock crusher.

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US Patent for Rock crusher motor control circuit for

Justia Patents Responsive To Speed Or Rotation Phase Angle US Patent for Rock crusher motor control circuit for preventing relay drop out Patent (Patent # 4,438,383) Rock crusher motor control circuit for preventing relay drop out . Jul 15, 1982. Electric motor starter circuits for operating motors which cannot be restarted under load, but

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Rock crusher LEBLOND; MICHEL

A rock crusher comprises a pair of rotors spaced apart to define a throat therebetween and driven in opposite directions. Impactor bars on the rotors crush rock that is delivered to the rotors and passes the broken rock fragments through the throat. The rock crusher may be conveniently provided in a harvesting vehicle such as a potato harvester

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Fernand Gervais Inventions, Patents and Patent

Abstract: The present invention relates to the field of rock crushers, in particular, rock crusher attachments for earth moving equipment or the like. The rock crusher attachment includes a front bucket portion configured for scooping rocks to be crushed and a rear crusher portion connected to and in communication with the rear of the bucket portion.

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Rock Crusher History Mineral Processing & Metallurgy

Apr 16, 2015 Rock Crusher History. History tells us, it was in 1830, the first US patent was issued on a rock crushing machine. It covered a device which, in a crude way, incorporated the drop hammer principle later used in the famous stamp mill, whose history is so intimately linked with that of the golden age of mining. In 1840, another patent was issued

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Patents Assigned to Cedarapids, Inc. Justia Patents Search

Mar 14, 2005 Justia Patents Patents and Patent Application Resources. Abstract: A retaining wedge assembly for securing an impeller bar to the rotor of a horizontal shaft impact crusher comprises a recess defined in the rotor and sized to receive the impeller bar. The recess includes a first seat shaped to engage a first portion of the impeller bar and a second seat.

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The Blake Rock Crusher Today in History: June 15

Jun 15, 2021 The brothers left the armory in 1835 and opened a hardware factory, Blake Brothers, in Westville. There, they invented and patented such products as latches, door locks, and corkscrews. In 1851, Blake was inspired to invent the rock crusher while serving on the New Haven town committee and involved in the construction of a two-mile road to

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Patents Assigned to Telsmith, Inc. Justia Patents Search

Dec 11, 2019 Date of Patent: March 28, 2017. Assignee: Telsmith, Inc. Inventors: Albert Van Mullem, Matthew Haven, Chuck Dricken, Sean Neitzel. Apparatus and method for liner system. Patent number: 9566585. Abstract: A liner system, adapted for use with a rock crusher having a support bowl and a concave ring. The liner system comprises a collet that is

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Rock crusher Texas Crusher Systems, Inc.

This invention is related to vertical shaft impact rock crushers. Rock crusher operators have ordinary skill in this art. (2) Description of the Related Art . Impact rock crushers have been known for over thirty years. See Miller U.S. Pat. No. 3,174,698 and Bridgewater U.S. Pat. No. 3,174,697.

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Rock & Stone Crushers Rock Crushing Machines Williams

Williams Patent Crusher is proud to offer a line of rock crushing machines that provide a wide range of available options. We understand that every crushing and grinding job is different, and we strive to make sure every machine we construct is a custom solution that gets a specific job done right.

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Rock crusher Boyd Motors Limited

3. The rock crusher as claimed in claim 2, wherein at least one of said jaws is biased against a roller. 4. The rock crusher as claimed in claim 2, wherein said upper portions of said first and second jaws diverge from each other so that in cross-section said upper portions form a substantially funnel shape. 5.

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Astec Rock Crushers Patent Claims Invalid, Judge Rules

The patent, issued in March 2000 and titled "Adjustment for rock crusher," describes a crusher with a conical bowl that can be adjusted to break rock into different sizes for use in road beds

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ROCK CRUSHER JOHNSON L,US

ROCK CRUSHER JOHNSON L,US. Title: ROCK CRUSHER. United States Patent 3759453. Abstract: A wedging ring carried in a groove in a bowl jams thread segments against a threaded portion of a bowl carrier which is pressed against a hardened ring by a frictional overload clamp. In turning the bowl relative to the bowl carrier, a manual, automatic or

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Rock crusher Boyd Motors Limited

3. The rock crusher as claimed in claim 2, wherein at least one of said jaws is biased against a roller. 4. The rock crusher as claimed in claim 2, wherein said upper portions of said first and second jaws diverge from each other so that in cross-section said upper portions form a substantially funnel shape. 5.

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Rock crusher Texas Crusher Systems, Inc.

This invention is related to vertical shaft impact rock crushers. Rock crusher operators have ordinary skill in this art. (2) Description of the Related Art . Impact rock crushers have been known for over thirty years. See Miller U.S. Pat. No. 3,174,698 and Bridgewater U.S. Pat. No. 3,174,697.

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Rock crusher LEBLOND; MICHEL

A rock crusher comprises a pair of rotors spaced apart to define a throat therebetween and driven in opposite directions. Impactor bars on the rotors crush rock that is delivered to the rotors and passes the broken rock fragments through the throat. The rock crusher may be conveniently provided in a harvesting vehicle such as a potato harvester

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Rock crusher RAWSON; JAMES W.

Turn now to the drawings and, initially, to FIGS. 1-4, which illustrate a rock crusher 20 generally embodying the present invention. As best seen in FIG. 1, rock to be crushed is suitably delivered, as schematically represented by an arrow 22 to an upper, entry region of a jaw crushing mechanism 24 of the rock crusher.

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Analytics for US Patent No. 4927089, Rock crushers

Rock crushers Number of patents in Portfolio can not be more than 2000 United States of America Patent. PATENT NO: 4927089: SERIAL NO: 07263865: DOCKET NO: 0 Status Updates Hydraulic control system for controlling the movement of the movable jaw of a rock crusher between a first set position and a retracted position. The control system

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Traveling rock crusher Schmid & Schneiber Planungs- Und

A traveling rock crusher has a vehicle body adapted to travel along the ground in a horizontal travel direction, a drum mounted at a front end of the body and rotatable about a horizontal axis generally perpendicular to the direction, an array of radially outwardly projecting chisels mounted on the drum, and a plurality of angularly spaced breaker elements mounted on the drum between the chisels.

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Rock crusher impact shoe Spokane Industries, Inc.

While the wear life of impact shoes on a rock crusher depends on many variables, such as the rock being crushed, the speed of the moving parts of the crusher, the desired size of the crushed rock, and other, a typical prior art impact shoe may for example have a useful life of approximately ten (10) operating hours before one or more of the

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Astec Rock Crushers Patent Claims Invalid, Judge Rules

The patent, issued in March 2000 and titled "Adjustment for rock crusher," describes a crusher with a conical bowl that can be adjusted to break rock into different sizes for use in road beds

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Crushing Astec

Astec designs and manufactures a wide range of quality crushing equipment that is technology-driven and durably-designed for modern crushing operations. Our state-of-the-art machinery is specifically built to accommodate a variety of applications and materials with high productivity and profitability. Our innovative line of jaw crushers, cone

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Crushing Plants For Sale MyLittleSalesman

Jun 16, 2021 As the name implies, a portable crusher or crushing plant is capable of breaking down almost type of material, organic or otherwise, from simple debris to complex ores and minerals. A concrete crusher, for example, can crush rocks and mix them with concrete and asphalt for roadside construction projects. Whether you need a used rock crusher for

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1872 ALEXANDER ROBINSON EWING PITTSBURG PA ROCK CRUSHER

We have been told by several patent office employees that the patent office set of the 1871-72 group had been destroyed in the late1870's per a fire. 1872 ALEXANDER ROBINSON EWING PITTSBURG PA ROCK CRUSHER PATENT LITHO 125160 eBay

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Hammer Mills for Material Reduction Williams Patent Crusher

HAMMER MILLS. Williams Patent Crusher is a leading industrial hammer mill manufacturer. Our industrial size reduction machines can handle any material size reduction job. Choose a Williams machine for high efficiency and economy. Using midair and impact crushing, grinding, and shredding, our machines can handle virtually any material.

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Williams Crusher & Pulverizer Company, Inc. > Welcome

Williams has been a leader in the crushing and pulverizing industry since 1871. With over 500 patents and trademarks to its credit, Williams Patent Crusher & Pulverizer Company continues to engineer new and innovative designs for crushing machines that meet the needs of clients worldwide and provide solutions for them every day.

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