a jaw crusher retraction assembly comprising: a base mountable to a frame part of a jaw crusher; a first boss separated from the base and a second boss separated from the first boss, the second boss positionable furthest from a movable jaw of the jaw crusher relative to the first boss and the base; at least one resiliently biased component mounted to extend between and to resiliently …

Present widely used jaw crusher is divided into physical pendulum formula and simple pendulum-type, is four-bar linkage structure, is a kind of rigid structure, so can not broken very hard material and the special material of structure.The two ends of its eccentric shaft are equipped with belt pulley and flywheel respectively, and belt pulley plays transmission and regulates load, and …

Our diverse line of industry-leading jaw crushers offers producers the latest in jaw crushing technology for processing applications, including aggregates, mining and recycling in both …

The utility model relates to crushers and can be used for grinding materials. The technical result that is obtained from the use of a utility model is to increase the reliability of the design. The jaw crusher includes a housing, fixed and movable cheeks, an eccentric crank drive transmitting the movement of the movable cheek, a spacer plate articulated with the crusher body, and an ...

Jaw crusher Download PDF Info ... 1954-04-26 Priority to US425403A priority Critical patent/US2960276A/en 1960-11-15 Application granted granted Critical 1960-11-15 Publication of US2960276A publication Critical patent/US2960276A/en 1977-11-15 …

Latest CJ412 jaw crusher – removable for transport; Class leading 1400mm (55 in.) wide main conveyor – now angle adjustable and extended with remote hydraulic lock out; Redesigned feed station – with patent pending hydraulic lift …

One end of the mobile jaw of a jaw crusher is supported on the crusher frame by an eccentric shaft and a connecting rod supports the other mobile jaw end on a crossbeam pivotally mounted on the frame. The crossbeam has a rear extension accessible from outside the frame and a control wedge is positioned on a bracket affixed to the frame between the bracket and the …

HM BM Patented Jan. 27, 1953 UNITED STATES PATENT OFFICE JAW CRUSHER Hiram L. Barber, Newton, and George L. Sellars, Milford, Ohio Application May 7, 1949, Serial No. 92,016 2 Claims. (01. 241-440) This invention relates to crushers or disintegrators in which material is reduced in particular size. The apparatus of the invention is adapted for ...

FIELD: process engineering. SUBSTANCE: proposed crusher comprises fixed jaw and moving jaw articulated with drive and spacer plate, said jaws being arranged at an angle to each other. Fixed and moving jaws are inclined toward moving jaw working stroke direction through angles α and β to horizontal plane given the following condition is satisfied: β=0.5 π-(λ+θ). β where β is …

It is broken that jaw crusher is commonly called as jaw, by moving jaw with decide two jaws of jaw and form crusher chamber, two jaw movements of simulated animal and finish the disintegrator of material crushing operation.Be widely used in the industries such as mine, smelting, building materials, highway, railway, water conservancy and chemical industry.Jaw crusher is finished …

A jaw crusher includes: a crusher frame to which a cross member for connecting a pair of side wall plates is provided; a fixed jaw; a swing jaw swingably hung between the side wall plates; a pair of toggle link pins both of which are disposed along a common axial direction having a first outer end pivoted on the side plate and a second inner end pivoted on a main supporter …

United States Patent JAW CRUSHER John R. Kueneman and Don Kueneman, Oakland, Calif. Application September 8, 1948, Serial No. 48,184 3 Claims. (Cl. 241269) The invention relates to a crusher or pulverizer having a swinging jaw cooperative with a fixed jaw to define a downwardly-tapering crushing zone.

A stationary jaw 5 is rigidly secured to the 7 0 frame 1 and this jaw is inclined downwardly as shown in Figure 2, so that the space between the movable and stationary jaw is restricted at the lower end of the crusher. A movable jaw 6 is mounted on the shaft 2, and this jaw is given an oscillating movement by eccentrics 7 on the shaft 2. Anti-friction bearings 8 surround the …

Available in a variety of sizes and configurations, the Hydra-Jaw® crusher, Pioneer® jaw crusher and Iron Giant jaw crushers deliver high-capacity crushing and reliable performance for increased operational productivity and profitability. ... Patents; Prop 65 Warning; INVESTORS. Conference Calls & Transcripts; Annual Reports; Board ...

A hydraulic system (46) for controlling the position of a movable jaw of a jaw crusher comprises a hydraulic cylinder (28) having a piston (34) comprising a piston rod (36) for positioning the movable jaw (2). The hydraulic cylinder (28) comprises a bore side space (42) for containing a hydraulic fluid taking up crushing forces exerted by the movable jaw on the piston rod (36), and …

A mobile jaw crusher assembly for crushing objects is provided. The assembly includes a frame and a first crushing member that is configured to be moved and at least partially rotated by a vehicle. ... . Pat. No. 5,749,530 by Nakayama and U.S. Pat. No. 4,361,289 by Georget for examples of different ways of configuring a jaw crusher, these two ...

A jaw crusher having two jaws which define an upwardly open crushing chamber for receiving crushable material and a discharge opening between the lower ends of the jaws for discharging crushed material, the jaws being relatively movable so as to vary the size of the receiving chamber and thereby exert working and relieving actions on the crushable material and so that …

In a jaw crusher, cheek plates are mounted on side wall plates of a crusher frame by mounting bolts, and the mounting bolt adjacent to the outlet of the jaw crusher can be covered with the swing jaw by adjustment of an outlet gap-adjusting link mechanism. ... Justia Patents Self-propelled Vehicle US Patent for Jaw crusher and self-traveling ...

A designates a jaw crusher including a frame or housing B having spaced parallel side walls I, a stationary front jaw 2, a rockable rear jaw 3 operably mounted at its upper end upon an eccentric 4. Adjacent its lower end, the rear jaw 3 is rcckably fulcrumed upon a toggle plate 5 which is, in turn, fulcrumed in a toggle block l5, the latter being at its ends slidably mounted and clamped in ...

The invention relates to a jaw crusher having a stationary crusher jaw and having a movable crusher jaw, between which a crushing chamber and a crushing gap are formed, …

FIELD: process engineering. ^ SUBSTANCE: invention relates to crushing of ores, solids, namely, to jaw crushers to be used in mining, metallurgy, etc. Proposed jaw crusher comprises housing with sidewalls, working member, crushing chamber including moving jaw, foundation and two sidewalls. Working member is made up of a bin for loose materials furnished with nozzle an …

The jaw crusher further comprises a toggle plate squeezing device (35) comprising a contraction member (37), the squeezing device (35) having a first mounting member (39) connected to the movable jaw, and a second mounting member (41) connected to the piston rod arrangement (25), to exert a pressing force on the first toggle plate seat (15 ...

A jaw crusher used to crush hard materials includes a frame and a fixed and movable jaw positioned in spaced opposed relationship to receive hard materials to be crushed between the jaws. A lever is pivotally connected to the frame for pivotal movement about an axis and includes first and second extensions. The first extension includes a part that is in communication with …

A jaw crusher with a double-crank-rocker mechanism includes: a frame ( 1 ); a fixed jaw plate ( 6 ); a movable jaw plate ( 5 ); a crank-rocker device and a driving wheel ( 2 ); wherein the crank-rocker device includes a front crank-rocker mechanism; and a rear crank-rocker mechanism. The front and rear crank-rocker mechanisms are provided on the same eccentric drive shaft ( 3 ) for …

Crush Stones with Jaw Power. Introducing the Liberty Jaw Crusher, a primary compression crusher engineered to process rocks and minerals with consistent high capacities. Superior's machine design boasts high strength castings and …

There is provided a jaw crusher capable of making unnecessary repair of abrasion or settling of a contact surface between a side frame receiving plate provided on a side frame receiving a crushing reaction caused by crushing of rock or the like, and a toggle block wedge supporting the side frame receiving plate through a toggle block. A liner mounting groove 12a is provided in a …

The UJ443E heavy jaw crusher has been designed with increased focus on productivity, sustainability, and durability. The UJ443E allows you to choose your preferred energy source, either connected to an external electricity supply or …

FIELD: building industry; mining; production of jaw crushers. SUBSTANCE: the invention is intended for comminution of the construction and mining materials. The jaw crusher contains the body, the movable jaw with the upper shaft of its swinging, the eccentric drive of the swinging with the driving shaft and the pushing roller, the fixer-stopper of the jaw.

A jaw crusher machine has a double-acting jaw ( 110 ) that linearly reciprocates to reduce abrasive wear and tilts back and forth during the crushing and discharge strokes to create a peristaltic action that, depending on the direction of rotation of the driven shaft ( 118 ), aids the ingestion, crushing and discharge of either hard or soft feed materials.

Use: for crushing various materials in the mining, construction and other industries. SUMMARY OF THE INVENTION: A jaw crusher comprises a frame, on a rigid ribbed wall 1 of which a fixed fractional plate 2 is fixed, which, with the side wall 3 and the movable fractional plate 4, form a crushing chamber. The movable shot-plate is attached to the movable cheek 5. which is …