Class 241/289 - Yielding

Subclass of Class 241 - Solid material comminution or disintegration
Definition: Apparatus in which the normally stationary member is mounted
No. of patents: 25
Last issue date: 10/17/2006

Number	Title	Issue Date
7121487	Screening apparatus with hammermill A screening machine on a frame with a hopper having a conveyor belt. The conveyor belt discharges particulate material poured into the hopper into a rotating barrel screen or vibrating planar screen for sifting the material. A hammermill apparatus is pivotably mount...	10/17/2006
6070818	Mineral crusher having a retractable collection member A mineral crusher comprises a roller 50 having a plurality of impeller bars for impelling mineral material against a collection plate 100, upon which a collection of mineral material accumulates. The material thrown against the accumulated material is red...	06/06/2000
5881959	Materials grinder with infeed conveyor and anvil A materials grinder includes a rotary grinding drum and a shear bar cooperating with the grinding drum to grind various types of materials. The shear bar is mounted on a pivotal structure adjacent the materials grinding drum. A displaceable biasing member...	03/16/1999
5713527	Impact crusher with hydraulic adjustment of the crushing gap which determines the degree of communication The invention concerns an impact crusher 1 with a rotor 3 equipped with blow bars 4 and pivotably-mounted impact aprons 5, 6 arranged in the crusher housing 2, the impact aprons are positionable vis a vis the rotor by means of hydraulic cylinder-piston un...	02/03/1998
5626298	Tub grinder with rear discharge hammer mill and angled shear plates A tub grinder for grinding animal feed and the like of the type having a hammer mill extending below a stationary floor about which a tub side wall rotates, incorporates a rear discharge opening formed in a rear side wall of the hammer mill and includes d...	05/06/1997
5558284	Crushing apparatus Householders separate metal cans, plastic bottles, containers and similar items from other garbage. The crushing apparatus is carried on the recycling truck, and the driver tosses these items into the apparatus for crushing. The apparatus has a rotating c...	09/24/1996
5538192	Plunger can and spring compressor A plunger can structure and a mated spring compressor system. The plunger can includes a plunger tip and an indicator rod extending from the plunger tip through the plunger can and out the opposite end of the plunger can. Removal and replacement of a shim...	07/23/1996
5529253	Spring canister for pulverizer A spring canister for use in a coal pulverizer to impart an axial load to a bracket assembly supporting a grinding wheel or roller. The axial load causes the bracket assembly to pivot downwardly to increase the grinding force between the wheel or roller a...	06/25/1996
5505393	Crushing device especially for scrap metal A crushing device for crushing material such as scrap metal and refuse has a housing with a material feeding section and a material removal section for removing crushed material. A shaft with a rotor connected thereto is rotatably supported in the housing...	04/09/1996
5398877	Multi-disc refiner with free floating plate mechanism Apparatus for reducing particulate materials such as paper-making pulp, including a housing defining a working chamber having an inlet and an outlet for flow of particulate material therethrough. There is a rotary shaft supported in said housing, and roto...	03/21/1995
5390861	Method and apparatus for reducing rubber tire material to a pulverulent form A method and apparatus for processing discarded rubber tires and rubber tire material to reduce the same to a pulverulent form of sufficient quality fiber the manufacture of other articles. Principally the rubber tire is subjected to repeated compression ...	02/21/1995
5332164	Materials grinder A materials grinder for comminuting large "chunks" of aggregated material having a conveyor for transporting quantities of materials, including large "chunks" thereof, and a grinder having a large chamber for receiving and grinding the material into small...	07/26/1994
5255869	Impact crusher with biased tertiary curtain assembly An improved crusher with first, second and third curtain assemblies. Each curtain assembly mounts a series of crusher plates and the plates of its curtain assemblies are distributed circumferentially above a rotor in the crusher. The three curtain assembl...	10/26/1993
5242123	Cast plunger can and spring compressor A substantially one-piece cast plunger can structure and a mated spring compressor system. The plunger can includes a removable plunger bearing on one end that is attached to the plunger can with both interlocking lugs and bolts and is designed for remova...	09/07/1993
4936520	Vibrating jaw crusher A vibrating jaw crusher which includes a housing, in the inside of which there are operatively mounted a pair of working jaws. The pair of jaws includes at least one movably mounted jaw. The working surfaces of the rigid and the movable jaws are shaped in...	06/26/1990
4896483	Hay conditioner roll tensioning mechanism In a crop conditioner having a frame and first and second rolls each rotatable about an axis of rotation, a mounting assembly for the first roll includes a sub-assembly at each end of the first roll which permit the first roll to be pivoted relative to th...	01/30/1990
4815667	System and method for recovery of salvageable ferrous and non-ferrous metal components from incinerated waste materials, and a selective crusher therefor The present invention pertains to a system and a method for recovering salvageable ferrous and non-ferrous materials from incinerated waste materials including friable, carbonaceous incineration byproducts such as ash and associated ferrous and non-ferrou...	03/28/1989
4798116	Document shredding machine There is provided a miniaturized document shredding device having engaging dual frictional conveyor rollers rotatably mounted within an enclosure. Fixed cutting blades are spaced across the width of the rollers and protrude through slits within the roller...	01/17/1989
4759509	Supermill journal spring system A mechanical spring journal assembly (20) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effectuating therewithin the pulverization of material such as coal. It is through the operation of the subject mechanic...	07/26/1988
4729517	Rebound crusher The invention concerns a rebound crusher having at least one rotor provided with hammers which is mounted rotatably in a crusher housing and cooperates with at least one rebound mechanism which is arranged swingable against spring force within the crusher...	03/08/1988
4706900	Retrofitable coiled spring system A coiled spring system (20) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effectuating therewithin the pulverization of material such as coal. It is through the operation of the subject coiled spring system (...	11/17/1987
4620674	Pneumatic actuated roller assembly for a roller mill A pneumatic system for exerting a downward grinding force on the roller assemblies of a roller type grinding mill. The pneumatic system consists of a plurality of resilient and flexible pneumatic cylinders or bellows operatively connected through a crank ...	11/04/1986
4585180	Mineral breakers A mineral breaker comprising a breaker drum rotatably mounted in a casing which extends about a portion of the periphery of the drum to partially envelope the drum, the breaker being adapted for connection to the delivery end of a conveyor so as to be cap...	04/29/1986
4288039	Single-roll crusher This invention relates to an improvement in a single-roll crusher having a housing, a roll body freely rotatably supported on an eccentrically rotatable drive shaft in said housing, at least one laterally mounted crushing beam pendularly suspended in the ...	09/08/1981
4017035	Impact crusher with adjustable impact or grinding means An impact crusher wherein hard particulate material is comminuted during travel between a rotor provided with beaters and a pivotable impact or grinding means, the latter being mounted in the housing of the crusher at a level above the rotor and tends to ...	04/12/1977

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Class 241/289 - Yielding