| Patent Number |
Title Of Patent |
Date Issued |
| 4680980 |
Drive mechanism |
July 21, 1987 |
| A drive mechanism for imparting intermittent movement to an output member. The drive mechanism includes a rotatable input member which operates through a crank to move a beam with oscillatory or reciprocating movement. The beam is interconnected with a one-way overrunning clutch associat |
| 4671727 |
Cutter chain construction for a bottom unloader |
June 9, 1987 |
| An improved cutter chain construction for a bottom unloader of a storage structure. A cutter arm is mounted for rotation about the center of the storage structure, and an endless chain travels in an endless path on the cutter arm and carries a plurality of cutting members or hooks that a |
| 4626161 |
Pre-assembled turntable mounting unit for a storage structure |
December 2, 1986 |
| A pre-assembled turntable mounting unit for a storage structure. The storage structure is mounted on a foundation having a radial trough extending from the center of the structure to the exterior. A pre-assembled turntable mounting unit is disposed in the inner end of the trough at t |
| 4610376 |
Bulk storage containers |
September 9, 1986 |
| A bulk storage container (10) has a cylindrical body section (12) joined at its lower end to a tapering conical section (14) which terminates in an outlet (16) for the container. A cylindrical skirt section (18) of the same diameter as the body section (12) surrounds the conical section |
| 4604035 |
Submersible pump having frangible drive connection |
August 5, 1986 |
| A submersible motor pump assembly having an improved driving connection between the motor and pump. The motor shaft and pump shaft are disposed in end-to-end relation and a bolt extends through an axial passage in the pump shaft and the projecting end of the bolt is threaded in an axial |
| 4602463 |
Tank construction having a floor formed of interconnected panels |
July 29, 1986 |
| A tank construction having a floor formed of interconnected panels. The tank includes a generally cylindrical shell which is supported on a footing and a floor encloses the lower end of the shell. A sump is located centrally of the floor and the floor consists of a plurality of generally |
| 4583662 |
Metering mechanism for a roller mill |
April 22, 1986 |
| An improved roller mill construction. Material to be milled or ground is fed through a discharge opening in a hopper to a pair of cooperating rolls that are mounted within a housing. The discharge opening is enclosed by a sliding gate which is biased to the closed position and can be ope |
| 4576117 |
Livestock feeding apparatus |
March 18, 1986 |
| A livestock feeding apparatus which includes an endless belt conveyor. Feed is supplied to the upper run of the belt and is selectively discharged from either side of the conveyor belt by a feed discharge unit. The feed discharge unit includes a frame mounted to travel in a reciprocating |
| 4534461 |
Conveyor construction for conveying materials to an elevated location |
August 13, 1985 |
| A conveyor construction for conveying materials, such as grain, to an elevated location. The conveyor construction comprises a base or supporting structure and an auger conveyor is mounted horizontally on the base. Grain is fed into a hopper at one end of the auger and the discharge |
| 4512665 |
Adjustable over-the-top agitator for a liquid manure tank |
April 23, 1985 |
| An adjustable over-the-top agitator for a liquid manure tank. To periodically break up the crust on liquid manure stored in an open top tank, the liquid manure is withdrawn from the bottom of the tank and is discharged through a nozzle on the end of an external delivery pipe into con |
| 4511257 |
Pump position retainer apparatus |
April 16, 1985 |
| An apparatus for preventing free descent of a motor-pump unit. The motor-pump unit is mounted within a manure-containing pit for vertical sliding movement on a fixed column, and an elevating mechanism is employed for raising and lowering the pump within the pit and includes a cable h |
| 4499820 |
Breather bag construction for a sealed storage structure |
February 19, 1985 |
| An improved breather system for a sealed storage structure. The roof of the storage structure is provided with an opening and a generally cylindrical, vertically disposed, breather bag is located within the structure with the neck of the bag being sealed within the opening. A cable is at |
| 4487088 |
Sprocket construction for a zero caternary chain |
December 11, 1984 |
| A sprocket construction for a zero caternary chain. In a zero caternary chain, a tensioning system is utilized to prevent caternary or slack in the chain and as a result of the high degree of tensioning, the bushings of the chain ride against the roots of the sprocket teeth. To prevent |
| 4485977 |
Roller mill construction |
December 4, 1984 |
| An improved roller mill construction. Material to be milled or ground such is fed through a discharge opening in a hopper to a pair of cooperating rolls that are mounted within a housing. The discharge opening is enclosed by a sliding gate which is biased to the closed position and can b |
| 4438607 |
Method and apparatus for leveling a storage structure |
March 27, 1984 |
| A method and apparatus for leveling a storage structure. A plurality of pairs of anchor bolts project upwardly from the footing of the structure and each pair is positioned in radially spaced relation. A support bar is connected to the threaded upper ends of each respective pair of bolts |
| 4437806 |
Overload mechanism for the system of a bottom silo unloader |
March 20, 1984 |
| An overload mechanism for the drive system of a bottom silo unloader. The silo unloader includes a sweep arm mounted to rotate about the center of the silo and operable to dislodge stored material and convey the dislodged material to a delivery trough formed in the foundation. An overloa |
| 4436473 |
Drive mechanism for a rotatable sweep arm |
March 13, 1984 |
| An improved drive mechanism for rotating a sweep arm in a storage structure that contains a free-flowing stored material. The inner end of the sweep arm is mounted on a turntable that is disposed in the inner end of a radially extending trough in the foundation of the storage structure. |
| 4426187 |
Drive mechanism for a bottom silo unloader |
January 17, 1984 |
| A drive mechanism for rotating the sweep arm of a bottom silo unloader. The silo, which contains a stored material, is mounted on a foundation and a trough is located in the foundation and extends from the center of the silo to the exterior. A sweep arm is mounted for rotation with respe |
| 4416549 |
Apparatus for agitating and pumping a liquid slurry |
November 22, 1983 |
| An apparatus for agitating and pumping a liquid slurry, such as liquid manure slurry. The apparatus includes a pump which is adapted to be positioned within the lower end of a pit that contains the slurry, and the pump is operably connected to a motor which is located above the pit. The |
| 4402648 |
Chopper pump |
September 6, 1983 |
| A chopper pump for pumping and chopping a slurry which contains fibrous material. The pump includes a housing having a bottom inlet and a tangential outlet. A single vane impeller is mounted for rotation within the housing and a generally square cutter blade is mounted on the vane and |
| 4397726 |
Cathodically protected vessel |
August 9, 1983 |
| A cathodically protected storage structure, such as a liquid manure storage tank. The structure comprises a generally cylindrical shell formed of steel plate sections which is mounted on a support or foundation. The steel plate sections are coated with a corrosion resistant material, suc |
| 4386695 |
Sweep auger construction for a bottom unloading mechanism |
June 7, 1983 |
| 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 the center of the silo where it is |
| 4378063 |
Belt conveyor for conveying granular material |
March 29, 1983 |
| An improved belt conveyor for conveying granular materials, such as grain. The conveyor comprises a pair of end sections which are connected together by a plurality of central sections to provide the conveyor with the desired length. An endless conveyor belt, having a plurality of integr |
| 4375784 |
Diaphragm type breather system for sealed storage structure |
March 8, 1983 |
| An improved breather system for a sealed storage structure. An annular flexible diaphragm is located within the upper portion of the storage structure and the inner periphery of the diaphragm is sealed to a central inlet feed tube, while the outer periphery is sealed to an impervious |
| 4332484 |
Agitation system for manure slurry |
June 1, 1982 |
| A manure agitation system directed to an open top tank for storage of manure slurry. A gate valve is located in the floor of the tank which can be opened from outside the tank to draw manure slurry from the inside of the tank through a piping system and pump assembly and flow it under |
| 4321996 |
Cleated belt forage conveyor |
March 30, 1982 |
| The cleated belt forage conveyor of the invention is directed to a forage belt conveyor in which the belt in service is protected against side discharge of conveyed forage by upstanding and intermittent central cleats and outwardly spaced side cleats. Sealing strips extend above the belt |
| 4135443 |
Self-adjusting breather bag |
January 23, 1979 |
| A self-adjusting breather bag for use in sealed storage structures to limit the contact of ambient atmosphere with the stored material. The self-adjusting of the lower part of the bag to a higher position in the structure is accomplished by strategically assembling elastic or resilient |
| 4119193 |
Shuttle type livestock feeder |
October 10, 1978 |
| A livestock feeder device having a reciprocating carriage or shuttle adapted to be driven back and forth over a receiver such as a feed bunk having one or more zones. An endless conveyor belt extends around spaced guides on the carriage. A belt drive mechanism is fixedly mounted separate |
| 3962925 |
Bi-directional ratchet drive mechanism |
June 15, 1976 |
| A push arm assembly for eccentrically operating a ratchet gear by means of a driving pawl to rotate an unloader arm in the bottom of a silo or the like. Directional change of the driving pawl is accomplished by withdrawing the driving pawl into its housing and rotating it 180.degree. |
