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Class 198/661 - Having axially varying capacity


Subclass of Class 198 - Conveyors: power-driven
Definition: Apparatus wherein the conveyor section comprises one or
No. of patents: 38
Last issue date: 02/28/2006


NumberTitleIssue Date
7004305Easily assemblable grain bin sweep
A grain bin sweep is adapted to be assembled within a grain bin. The sweep comprises an auger assembly including a shield and an auger; and a tractor frame assembly comprising a frame first part and a frame second part. The sweep components are sized to fit through ...
02/28/2006
6976575Process and device for the continuous conveyance of confections
Described is a conveyor for confections having the design that the material is conveyed along a flow path which is essentially free from abrupt detours or direction changes. In the case of utilization of helix rotors as conveyors this occurs in that the helical roto...
12/20/2005
6915896Cleaning drain apparatus for an auger assembly
A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ...
07/12/2005
6540067Ice transporting assembly, ice making and transporting system and method for transporting ice
An ice transporting assembly transports ice and includes a sleeve and a tapered auger. The sleeve defines a frusto-conically shaped channel with an inlet having an inlet diameter and an outlet having an outlet diameter less than the inlet diameter. The ta...
04/01/2003
6336573Hopper, or bin, screw feeder construction controlling discharge velocity profile
A bin or hopper, preferably with one-dimensional convergence, has a slot outlet at its bottom for discharging bulk solid particulate material (such as coal, wood chips, sugar, plastic pellets, etc.) to a screw in a trough. The screw has varying flight dia...
01/08/2002
6186373Hopper, or bin, screw feeder construction controlling discharge velocity profile
A bin or hopper, preferably with one-dimensional convergence, has a slot outlet at its bottom for discharging bulk solid particulate material (such as coal, wood chips, sugar, plastic pellets, etc.) to a screw in a trough. The screw has varying flight dia...
02/13/2001
6000995Unit for the dosage of grained, pourable materials, in particular blasting abrasives
A dosage device for feeding grained, pourable materials, particularly abrasive blasting materials. Feeding is accomplished by use of a dosage auger that employs a screw mechanism that either decreases or increases relative to the distance between the incl...
12/14/1999
5975279Device for individualizing and feeding carriers to a hanging conveyor system
A device for individualizing and feeding individual conveying carriers into a revolving hanging conveyor system. The individualizing device contains a rotatably driven spindle provided with grooves on the spindle's surface, wherein the pitch of each groov...
11/02/1999
5939027Process for discharging a reactor
A process for discharging a reactor characterized by reducing the volume of a powder without compacting it, including treating the powder in a densification zone including at least one Archimedes' screw arranged in a barrel. The Archimedes' screw may also...
08/17/1999
5871081Concentric auger feeder
A material conveying system for accurately conveying a specific predetermined amount of a material. The system includes a large primary auger that is rotated to convey the material until the amount of material closely approaches the predetermined amount. ...
02/16/1999
5865592Stone metering system for railroad track maintenance vehicle
A stone metering system for a railroad track maintenance vehicle providing improved accuracy in stone delivery. The system includes a surge hopper, a number of metering augers, and a corresponding number of splitters. The metering augers convey ballast st...
02/02/1999
5584641Stone metering system for railroad track maintenance vehicle
A stone metering system for a railroad track maintenance vehicle providing improved accuracy in stone delivery. The system includes a surge hopper, a number of metering augers, and a corresponding number of splitters. The metering augers convey ballast st...
12/17/1996
5558203Transporting device
A transporting device includes a housing having a feed opening and a discharge opening defining a transporting direction. The housing has a partial section and a remaining section. A conveyor worm is disposed in the housing, is rotatable about a longitudi...
09/24/1996
5443352Combine grain tank discharge system
A combine grain tank has a floor and a pair of fore-and-aft feed augers above the floor for moving grain forwardly along the floor of the tank to a laterally extending trough in the forward end of the floor. A laterally extending discharge auger is mounte...
08/22/1995
5351805Method and apparatus for unloading bulk materials
An unloader for bulk materials is provided to transfer material such as cement from a barge or other bulk container. It includes a moveable and rotatable support member such as a crane or cantilevered arm that is adjacent the bulk container. A first conve...
10/04/1994
5183147Chemical handling system
A system for handling agricultural chemicals, such as herbicides, pesticides, and the like which are supplied in dry form. A refillable tank includes an integral, internal auger that horizontally extends through the bottom portion of the tank and is adapt...
02/02/1993
5122263Continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge
A continuously and automatically functioning device for the drainage of sludge treated with a flocculent, especially of sewage sludge, comprising a screw conveyor installation with a driven conveyor screw consisting of shaft (16) and helix (17) and a scre...
06/16/1992
5117654Ice conveyor system for refrigerator
An ice dispenser for a refrigeration apparatus includes a container for storing ice bodies. The container has opposite front and rear walls and an access opening through the front wall. A housing is secured at the front wall adjacent the access opening an...
06/02/1992
5101961Feeding screw
A feed screw for use in a rectangular bin outlet permits uniform feed from the bin along a length of the screw. This is achieved with a screw of uniform pitch on a shaft comprising a plurality of coaxial and contiguous cylindrical sections having progress...
04/07/1992
5099983Portable auger system apparatus and method for depositing gypsum into an irrigation ditch
A portable sweep auger apparatus and method for controllably transferring predetermined continuous amounts of granular and powdered gypsum from a pile of gypsum to an irrigation ditch. The apparatus includes a base member, a driver member and an auger ass...
03/31/1992
5052874Compacting screw feeder
Apparatus for densifying particulate solids and for removing air from the solids includes a screw feeder that conveys the material through a recirculation chamber, then into a high pressure shroud that is closed at its downstream end by a preloaded cover ...
10/01/1991
4904285Deaerator for particulates
A deaerator for particulates capable of increasing the bulk density of the particles to reduce the volume of the particulates. In the deaerator, a perforated cylindrical section (1a) of a cylindrical body (1) includes a filter (13) formed of a sintered ma...
02/27/1990
4801085Dual auger manure spreader
A manure spreader device and method of distributing any of a variety of manure materials having varying consistencies are provided. The device and method embody a concept in which a plurality of elongated augers that are longitudinally positioned within a...
01/31/1989
4726715Screw powder feeders
A screw powder feeder has a rotary screw (12) disposed at the base of a hopper (10). The screw (12) comprises a twist drill bit. Powder is discharged into a chamber (18) and picked-up by a flow of gas. The pressure in chamber (18) is varied relative to th...
02/23/1988
4408947Conveyor arrangement for a combine harvester
A combine conveyor arrangement for transferring clean grain from a cleaning shoe to a grain tank above the shoe comprises two drivably connected screw conveyor legs whose axes lie in a common vertical plane. A unitary housing at their junction provides be...
10/11/1983
4405239Energy efficient extruder screw
Extruders are widely used to transform solid plastic materials into molten plastic materials. Because of the low thermal conductivity of plastic materials and the inefficient mixing of the plastic materials inside an extruder, the heat is not evenly distr...
09/20/1983
4391561Solids pumping apparatus
A pump for feeding granular material into a pressurized zone having a feed screw (14) located within a cylinder (12). The cylinder is tapered (34) at its discharge end, and the outside diameter of the flights (32) is also tapered (43). The clearance (38) ...
07/05/1983
4386695Sweep auger construction for a bottom unloading mechanism
A sweep arm construction for a bottom unloading mechanism used to unload generally free flowing material from a silo or storage structure. The sweep arm is mounted to rotate about the center of the silo and undercut the stored material and convey it to th...
06/07/1983
4379106Method of expanding heat expandable thermoplastic elements with steam and a horizontal expander with a feed near the bottom for expanding the heat expandable element
The steam expander conveys the expanding heat expandable thermoplastic elements along a horizontal axis using a plurality of paddle frames. The paddle frames serve to agitate and tumble the elements during movement from an inlet to an outlet. At the same ...
04/05/1983
4377364Silo unloading apparatus
Silo unloading apparatus of the bottom unloading type is provided, wherein an auger is mounted for rotation on its own axis and for arcuate sweeping motion across the floor of the silo, conveying silage toward a central opening, and a single drive is prov...
03/22/1983
4328913Non-plugging screw conveyer
This invention is directed to a new and improved screw conveyor useful for bagging animal bedding comprising subdivided newsprint. The screw of the auger has flights of predetermined different heights which avoid undue compaction of the bedding as it is c...
05/11/1982
4215978Resin moulding screws
In a resin moulding screw provided with helical flight and valley, the bottom surface of valley is divided into a plurality of portions along a dividing line, and the divided portions are alternately displaced in the radial direction to form wavy contours...
08/05/1980
4192418Auger conveyer
An auger conveyer having an elongated auger shaft with closely spaced spirally wound bristles having their base ends affixed to the shaft and having the bristle tips extending outwardly from the shaft. A tubular housing extends from the input end of the s...
03/11/1980
4103788Apparatus for discharging from a silo
Apparatus for unloading from the bottom of a silo having a conventional horizontal floor with a central opening characterized by apparatus extending from the pit radially outwardly for removal of the material and at least one radial sweep auger having its...
08/01/1978
4036411Low profile auger and hopper assembly
A low profile auger and hopper assembly for use in conveying and distributing a granular product such as animal feeds or the like is disclosed herein. The apparatus preferably comprises a hopper for receiving the product such as feed or the like and an as...
07/19/1977
4026426Drying apparatus for grain, beans and the like
A sweep auger, mounted for rotation in a horizontal plane within a circular storage bin is comprised of two flights. The first flight has a constant diameter and a constant pitch. The second flight has the same constant diameter but a variable pitch so as...
05/31/1977
4015734Sweep auger for bottom silo unloaders
A bottom silo unloader is disclosed in which a tapered sweep auger has its inner end of largest diameter supported for rotation about a transverse vertical axis at the center of a silo so that it sweeps over the silo floor as it is also rotated on its lon...
04/05/1977
3952857Magnetic substance conveying apparatus
In a magnetic substance conveying apparatus, to convey the magnetic substance along the outer periphery of an outer cylinder made of non-magnetic material by the relative rotational movement between the outer cylinder and an inner cylinder inside the oute...
04/27/1976
 
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