Specified Rotational Mounting Patents (Class 366/63)
  • Patent number: 8790015
    Abstract: A bearing housing includes a bearing housing body, and a shaft support part formed at the center of the bearing housing body, wherein the shaft support part includes at least one rib groove to fix a bearing bush located on the inner circumferential surface of a front end of the shaft support part. The manufacturing method of the bearing housing uses a first mold and a second mold to form an external appearance of the bearing housing and a central core to form a shaft support part of the bearing housing, and includes inserting a bearing bush onto the outer circumferential surface of the central core, and fixing the bearing bush inserted onto the outer circumferential surface of the central core by at least one bush fixing rib formed on one of the first mold and the second mold.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: July 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Hae Sung Eo
  • Patent number: 8641262
    Abstract: The present invention relates to a building material mixer having a mixer drum which can be rotationally driven by a mixer drive, with the mixer drum being rotatably supported by the mixer drive at a mixer frame part, in particular a traveling gear frame part, at one of its end face ends and with the mixer drive having a drive part, in particular a hydraulic motor, and a drive transmission connected to the mixer drum. In accordance with the invention, the building material mixer is characterized in that the mixer drive is movably supported by movable bearing means at the mixer frame part allowing tilting movements; and in that the mixer drum is fastened to the transmission housing of the drive transmission.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: February 4, 2014
    Assignee: Liebherr-Components Biberach GmbH
    Inventor: Klaus-Peter Mollhagen
  • Publication number: 20120063258
    Abstract: A detachable bucket mixer for mixing viscous fluids and compositions while holding the bucket stationary during the mixing process includes a rotational drive and a clamping frame for mounting the rotational drive to a container. The clamping frame includes a barrel having a central axis, and two or more arms extending radially from the barrel. At the distal end of each of the arms is a flange having a claw-shaped grip configured to affix to a rim of the container. The arms may be capable of telescoping in order to accommodate varying diameters of buckets. Extending downward from the barrel is a drive shaft that may include a detachable mixing paddle configured for mixing viscous fluids. When the rotational drive is inserted into the barrel, it is connected to the detachable mixing paddle through the drive shaft to commence mixing. The clamping frame is configured to prevent rotation of the bucket relative to the rotational drive.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 15, 2012
    Applicant: TRIM-TEX, INC.
    Inventors: David S. Iverson, Leopold Budzik
  • Publication number: 20100246314
    Abstract: The present invention relates to a truck mixer with a mixing drum mounted and rotatable on a vehicle chassis, wherein a bearing of the mixing drum consists of a bearing pair comprising a race and at least one castor, wherein race and castor are not movable with respect to each other in axial direction.
    Type: Application
    Filed: March 25, 2010
    Publication date: September 30, 2010
    Applicant: LIEBHERR-MISCHTECHNIK GMBH
    Inventor: Berthold Ruf
  • Publication number: 20100246313
    Abstract: The present invention relates to a truck mixer with a mixing drum mounted and rotatable on a vehicle chassis, wherein the mixing drum is supported on the rear by means of a large roller bearing.
    Type: Application
    Filed: March 24, 2010
    Publication date: September 30, 2010
    Applicant: LIEBHERR-MISCHTECHNIK GMBH
    Inventors: Berthold Ruf, Martin Wittig
  • Publication number: 20080291772
    Abstract: The present invention relates to a building material mixer having a mixer drum which can be rotationally driven by a mixer drive, with the mixer drum being rotatably supported by the mixer drive at a mixer frame part, in particular a traveling gear frame part, at one of its end face ends and with the mixer drive having a drive part, in particular a hydraulic motor, and a drive transmission connected to the mixer drum. In accordance with the invention, the building material mixer is characterized in that the mixer drive is movably supported by movable bearing means at the mixer frame part allowing tilting movements; and in that the mixer drum is fastened to the transmission housing of the drive transmission.
    Type: Application
    Filed: April 18, 2008
    Publication date: November 27, 2008
    Inventor: Klaus-Peter Mollhagen
  • Patent number: 7331701
    Abstract: A drive for a mixing drum has a compensating device (25) for the purpose of compensating the motions between a drum (1) and a bearing bracket (4), which consists of a first component (20), an elastic element (17), and a second component (16).
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: February 19, 2008
    Assignee: ZF Friedrichshafen AG
    Inventors: Eduard Heilig, Andreas Geier, Klaus Schiffner, Michael Frondorf
  • Publication number: 20020006075
    Abstract: A tireless rotatable asphalt mixer. The mixer is provided with a rotatable tubular cylindrical section that is suspended along an axis of rotation at bearing mounts. The apparatus is allowed to expand by way of fixing one bearing mount and allowing the other mount to float with respect to longitudinal elongation resulting from thermal expansion. In the mixer, heated aggregate, liquid asphalt cement, and aggregate dust are mixed to produce an asphalt composition. The asphalt cement injection point is adjustable longitudinally along the centerline of the mixer, by way of replacement of an asphalt cement injection tube with a substitute injection tube of a different length. Further, multiple asphalt cements of different compositions may be introduced into the mixer by means of additional injection pipes at the inlet end of the mixer. Recycled Asphalt Pavement (“RAP”) may be added to the mixer with heated aggregate through the inlet chute.
    Type: Application
    Filed: March 29, 2001
    Publication date: January 17, 2002
    Applicant: ASPHALT EQUIPOMENT & SERVICE COMPANY Washington Corporation
    Inventors: John D. Ferris, Steven J. Malloy, Darrin L. Johnson, David M. Wardell, Kevin L. Kirby
  • Patent number: 5847294
    Abstract: Apparatus for determining flowability of a powder by sensing powder avalanching includes a sample drum having a generally cylindrical sample chamber for holding a powder sample, a support frame including a drum shaft for supporting the sample drum for rotation, a drive motor and a drive mechanism coupled between the drive motor and the drum shaft such that the drum rotates when the drive motor is energized. The apparatus further includes an avalanche sensor for sensing avalanching of the powder sample within the sample chamber as the sample drum rotates. The avalanche sensor may be implemented as a backlash sensor for sensing intermittent reverse angular displacement of the sample drum caused by avalanching of the powder sample. A torque loading sensor may also be used to sense avalanching of the powder sample. A controlled gas may be circulated through the sample chamber by a gas conditioning system. The gas in the sample chamber can be measured and/or controlled.
    Type: Grant
    Filed: April 9, 1996
    Date of Patent: December 8, 1998
    Assignee: Amherst Process Instruments, Inc.
    Inventor: Trent A. Poole
  • Patent number: 5820258
    Abstract: An improved cement-mixing drum support and drive arrangement is disclosed herein. Such an arrangement can be used with a cement-mixing drum of the type incorporated in a self-propelled mobile cement mixer, a stationary cement mixer, or a trailer-supported cement mixer. The drum support provides an axis of rotation for the driven end of the drum, wherein the motor which generates the energy to rotate the drum can move with the driven end of the drum in response to deflections of the drum relative to the structure supporting the drum. In particular, the shaft which supports the driven end of the drum is rotatably supported by a bearing, wherein the bearing is permitted to rotate about an axis perpendicular to the rotational axis of the bearing. This may be provided by using a bearing supported by a universal-type joint.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: October 13, 1998
    Assignee: Oshkosh Truck Corporation
    Inventor: Eric E. Braun
  • Patent number: 5607232
    Abstract: The present application discloses an asphalt drum that is supplied with a forward and rearward insulator ring. This ring is typically constructed of a ceramic insulation such as (THERMO-MAX). The insulation is further encased in a steel shell to protect the ceramic ring and to allow for a durable drive surface. Through the use of the insulation ring the typical steel trunnions may be replaced with multi-ply rubber tires. As these tires wear they may be easily and quickly replaced with readily available stock. In the typical configuration the drum will ride on four tires, two on each ring. One tire on each ring being an idler wheel while the other is a drive wheel. The entire system may also be attached to a semi trailer for transport.
    Type: Grant
    Filed: December 13, 1995
    Date of Patent: March 4, 1997
    Inventor: Joel M. Dahl
  • Patent number: 5348387
    Abstract: A drive and bearing arrangement for a rotatable member such as a concrete mixing drum has a first drive mechanism for providing a rotational drive force to the drum, a primary bearing coupled to the primary drive mechanism and the drum for supporting an end of the drum, an auxiliary bearing for selectively and alternatively supporting the end of the drum in the event of failure of the primary bearing, and an auxiliary drive mechanism for providing a drive force to the drum when the end of the drum is supported by the auxiliary bearing. In one embodiment, the arrangement includes a drive flange coupled to the output of a transmission which includes the primary bearing, and a driven flange which is coupled to the rotatable drum. Auxiliary bearings are provided between the first and second flanges. A removable locking element is provided to rigidly lock the drive and driven flanges together when the primary bearing is rotatably supporting the end of the drum.
    Type: Grant
    Filed: November 18, 1992
    Date of Patent: September 20, 1994
    Inventors: Dale F. Gordon, William B. Benson
  • Patent number: 5137366
    Abstract: A small mixer vehicle structured as a trailer has clutching mechanics for frictionally revolving a rotatable drum during towing and for both manual and powered auxiliary drum turning when the trailer is parked. For manual drum turning, an attachable crank is provided. The crank attachment also accepts connection by a hydraulic motor which is remotely powered by an auxiliary pump. The trailer drum support structure has mechanics for placing the drum in a tilted position for unloading and for returning the drum to a horizontal towing position. A tow bar attached to the trailer includes adjustable mechanics for leveling the trailer.
    Type: Grant
    Filed: April 26, 1990
    Date of Patent: August 11, 1992
    Inventors: Paul C. Hill, Leonard A. Hill, Felesta Smith
  • Patent number: 5118198
    Abstract: An improved cement mixer having polyethylene cement mixing drum (20) held and supported by a cradle arm assembly (21) formed of cradle base support braces (23) and upright cradle arms (22) which interfit into crandle arm recesses (27) which are preformed with polyethylene drum (20). A bull gear (25) is provided and circumvolves polyethylene drum (20). Bull gear (25) is aligned with and attached to cradle arms (22) and drum (20) so they dual function both as a drive mechanism for rotating drum (20) and as a structural member for cradle assembly (21).
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: June 2, 1992
    Inventor: Marvin E. Whiteman, Jr.
  • Patent number: 5103687
    Abstract: A trunnion assembly (10) for adjusting a rotating cylindrical container (16) having a circumferential tire (7) is disclosed. The assembly (10) includes a rotating roller (11) supported between a pair of brackets with bearings (12) that are attached to a first base plate (13A) pivotally supported on a second fixed base plate (13B). An elongated arm (14) is secured to the first base plate (13A) at one end and secured to a guide base plate (15) at the other end. A pair of spaced guide rollers (16) are mounted on the guide base plate (15). The circumferential tire (7) is positioned between the guide rollers (16) and the rollers (16) are positioned within a barrier assembly (20).
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: April 14, 1992
    Assignee: Asphalt Product Technologies
    Inventor: Robert E. Farnham
  • Patent number: 5039226
    Abstract: A trailer for transporting and mixing concrete or similar products, comprising a wheeled frame and a mixing drum mounted to the wheeled frame for rotation in a first direction for mixing concrete and in a second direction for discharging concrete from the drum. A unidirectional driving connection is provided between a wheel of the frame and the mixing drum for rotating the drum in the concrete mixing direction as a result of movement of the wheeled frame. An electric motor is also provided on the frame for rotating the drum in the concrete discharging direction.
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: August 13, 1991
    Inventor: Gilles Lavoie
  • Patent number: 4951260
    Abstract: An improved integrally mounted and operated dust hood is disclosed for a tilt mixer which minimizes the environmental effect of dust formed in the mixer which escapes from the discharge end of the drum. The integrally mounted dust hood of the invention includes a shaped sheet metal hood member which is hinge mounted from the forward drum support and operates in conjunction with the tilting of the mixer.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: August 21, 1990
    Assignee: McNeilus Truck and Manufacturing, Inc.
    Inventor: Robert W. Strehlow
  • Patent number: 4634284
    Abstract: A hand-operated mixing device is provided in which a mixing drum, having an open end, a closed end and divergently tapered circumferential walls extending from the ends to an enlarged diameter portion intermediate the ends, an annular groove at the outer periphery of the enlarged diameter portion, and the closed end having a detachably mounted crank member terminating in a bearing shaft coaxial with the drum axis, the drum being detachably mounted on a light-weight frame having at the forward portion thereof transversely spaced rollers for engagement with the annular groove, and at the rear portion thereof a bearing orifice detachably receiving the bearing shaft of the crank handle, the positioning of the rollers and bearing orifice being such as to orient the drum axis at an angle of about 10-20" to the horizontal to thereby elevate the open end of the drum, the light-weight frame being of knockdown construction having parts of such dimension as to permit packing when disassembled in a container adapted to c
    Type: Grant
    Filed: October 3, 1985
    Date of Patent: January 6, 1987
    Inventor: Robert J. Bishop
  • Patent number: 4624576
    Abstract: In a mixer having an elongated rotatable drum surrounded by coaxial front and rear tires, the invention facilitates adjustment of the positions of the two trunnion units that supportingly and drivingly engage each tire. Each trunnion unit comprises a base member horizontally shiftably slidable on the mixer frame and a tire engaging roller confined to rotation relative to the base member. Opening to front and rear ends of each trunnion unit are holes that are coaxial with its roller axis. Fixed to one side of the mixer frame are two locating fixtures, each having holes opening to front and rear end surfaces thereon, all of those holes having coinciding axes. Three U-shaped gages are provided, each having tangs which are closely receivable in said holes and which project laterally from opposite ends of an elongated lengthwise adjustable body portion. Two of the gages are used with the locating fixtures to position their adjacent trunnion units.
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: November 25, 1986
    Assignee: Bituma Construction Equipment Company
    Inventor: Bruce A. Dillman
  • Patent number: 4525070
    Abstract: A mixing apparatus for dry or wet ingredients is disclosed, which comprises an upwardly inclined trackway, and a mixing container mounted for rolling movement along the trackway. The trackway includes a scale at the lower end which permits the container and its contents to be weighed, and so that predetermined amounts of a number of ingredients may be loaded into the container. A power system is provided for pulling the container upwardly along the trackway, and such that the container is subjected to a rotary motion for mixing the ingredients, and a simultaneous linear transport to an elevated position. The container includes unique internal mixing vanes which facilitate mixing of the ingredients during rotation of the container, and which also permit substantially all of the mixed ingredients to be freely discharged by gravity at the elevated discharge location.
    Type: Grant
    Filed: April 8, 1983
    Date of Patent: June 25, 1985
    Inventor: Tatum W. Gressette, Jr.
  • Patent number: 4506983
    Abstract: A portable dry bulk material storage and mixing unit comprising a generally cylindrical drum mounted on a frame for rotation about a generally horizontal axis and having a conical discharge nozzle with a cylindrical discharge opening at one end thereof. The drum interior is fitted with three flights of helical material mixing and discharge fins having a helix angle of approximately 45.degree.. The drum discharge nozzle extends into a hopper disposed at the rear of a truck on which the frame is mounted. An adjustable valve closure member is operable to be disposed over the discharge opening and includes a handwheel for adjustably positioning the closure member to vary the discharge flow area.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: March 26, 1985
    Inventor: Leonard D. Marr
  • Patent number: 4491415
    Abstract: A light weight, inexpensive rotary drum mixing device is provided in which an essentially pear shaped drum, open at the small end and having an axially elongated socket at the large end, is rotatably supported on a unitary base having a transversely extended forward end and an upwardly and angularly extending rear end providing a bearing portion detachably engageable with said socket to rotatably support the drum at an inclination of about 35.degree., readily engageable means on the bearing portion and socket for preventing unintended axial movement, the forward end of the frame being slightly forward of the center of gravity of the rotatably supported drum to firmly support the same as drum contents are being mixed by rotation of the drum, and providing a pivot fulcrum for tilting the assemblage to discharge contents of the drum, and groove means adjacent the large end of the drum facilitating application of circumferential force to impart controlled rotation to the drum.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: January 1, 1985
    Inventor: Robert J. Bishop
  • Patent number: 4461577
    Abstract: The present invention comprises a compact variable height, concrete truck having a concrete mixing barrel which may be positioned in a raised position for maximum load transportation and concrete mixing and pouring, and which may be positioned in a lowered position for reduced load tranportation and concrete mixing and pouring and for low clearance truck storage. The raising and lowering of the barrel is performed by an elevation device mounted at the rear of the truck which causes the barrel to be pivoted in a vertical plane about a pivot point at the lower end of the barrel. Lock apparatus are provided for supporting the barrel in both a raised and a lowered position.
    Type: Grant
    Filed: May 25, 1983
    Date of Patent: July 24, 1984
    Inventor: Raymond W. Mechem
  • Patent number: 4453830
    Abstract: One end of a rotatable mixer drum is journalled by a spherical bearing mounted on the housing of a power transmission having its rotary output coupled to the drum by a drive shaft which axially penetrates the bearing. Arcuate splines at opposite ends of the drive shaft mesh with gear teeth of the transmission output gearing and with gear teeth carried by the drum whereby the shaft is free to deflect with respect to the transmission gearing and the drum gearing when the spherical bearing deflects as a result of drum-to-transmission misalignment. The shaft is arranged with respect to the bearing and the gear teeth engaged by its splines so that the total deflection of the bearing is divided between the ends of the shaft.
    Type: Grant
    Filed: February 16, 1983
    Date of Patent: June 12, 1984
    Assignee: Cooper Industries, Inc.
    Inventors: James J. Jameson, Fred L. Mount, Joe L. Fernandez
  • Patent number: 4435082
    Abstract: A light weight, inexpensive rotary drum mixing device is provided in which an essentially pear shaped drum, open at the small end and having an axially elongated socket protruding from the large end, is rotatably supported on a unitary base having a transversely extended forward end and an upwardly and angularly extending rear end providing a bearing portion detachably engageable with said socket to rotatably support the drum at an inclination of about 35.degree., readily engageable means on the bearing portion and socket for preventing unintended axial movement, the forward end of the frame being slightly forward of the center of gravity of the rotatably supported drum to firmly support the same as drum contents are being mixed by rotation of the drum, and providing a pivot fulcrum for tilting the assemblage to discharge contents of the drum, and means externally of the drum facilitating application of circumferential force to impart controlled rotation to the drum.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: March 6, 1984
    Inventor: Robert J. Bishop
  • Patent number: 4387995
    Abstract: A portable concrete mixing and transport device comprises a trailer having wheels and a drum supported above the wheels, said drum being movable into and out of engagement with the wheels. Concrete mix carried in the drum is agitated by pulling the trailer with the drum in contact with the wheels, causing the drum to rotate. The drum may be tilted to allow pouring of the mix. The device allows for convenient and inexpensive transport and mixing of small quantities of concrete.
    Type: Grant
    Filed: May 7, 1981
    Date of Patent: June 14, 1983
    Inventor: Edwin J. Routson
  • Patent number: 4378163
    Abstract: One end of a rotatable mixer drum is journalled by a spherical bearing mounted on the housing of a power transmission having its rotary output coupled to the drum by a drive shaft which axially penetrates the bearing. Arcuate splines at opposite ends of the drive shaft mesh with gear teeth of the transmission output gearing and with gear teeth carried by the drum whereby the shaft is free to deflect with respect to the transmission gearing and the drum gearing when the spherical bearing deflects as a result of drum-to-transmission misalignment. The shaft is arranged with respect to the bearing and the gear teeth engaged by its splines so that the total deflection of the bearing is divided between the ends of the shaft.
    Type: Grant
    Filed: January 28, 1982
    Date of Patent: March 29, 1983
    Assignee: Cooper Industries, Inc.
    Inventors: James J. Jameson, Fred L. Mount, Joe L. Fernandez
  • Patent number: 4357109
    Abstract: A mixer for concrete or other materials has a bowl rotatably mounted on a frame provided with handles and with support means, which, by moving the frame to one position, will hold the bowl in a charging and mixing position supported clear of the ground, its axis inclining up to its mouth. The frame can also be moved to bring the bowl to a travelling position to be propelled along the ground, its axis inclining upwardly towards the mouth. To discharge the mixer, the frame is movable to a further position, the bowl supported by the support means, above the ground with its axis inclining downwardly towards its mouth. The bowl may be rotated, when in mixing or travelling or discharging position, by a motor on the frame and operatively connected to the bowl, the mixer being steered by the handles when propelled with the bowl in travelling position.
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: November 2, 1982
    Inventor: Stanley R. Blakeway
  • Patent number: 4335963
    Abstract: One end of a rotatable mixer drum is journalled by a spherical bearing mounted on the housing of a power transmission having its rotary output coupled to the drum by a drive shaft which axially penetrates the bearing. Arcuate splines at opposite ends of the drive shaft mesh with gear teeth of the transmission output gearing and with gear teeth carried by the drum whereby the shaft is free to deflect with respect to the transmission gearing and the drum gearing when the spherical bearing deflects as a result of drum-to-transmission misalignment. The shaft is arranged with respect to the bearing and the gear teeth engaged by its splines so that the total deflection of the bearing is divided between the ends of the shaft.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: June 22, 1982
    Assignee: Cooper Industries
    Inventors: James J. Jameson, Fred L. Mount, Joe L. Fernandez
  • Patent number: 4294548
    Abstract: A concrete mixer drive for a hand wheeled barrow type of mixer, the drive comprising an electric motor mounted on the main supporting bearing of the mixer bowl, and a multiple reduction belt drive from the motor to a pinion driving the main bowl.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: October 13, 1981
    Assignee: Lightburn & Co. Limited
    Inventor: Arthur Watson
  • Patent number: 4277180
    Abstract: A bituminous mixture of aggregate and a bituminous binder, especially for road construction or repair is prepared by mixing a batch of still moist aggregate with the bituminous binder in a pressurized mixing container. The gauge pressure in the mixing container is maintained at or just above the saturation pressure of the water adhering to the surfaces of the aggregate, at the desired mixing temperature. Upon completion of the mixing the pressure in the mixing container is reduced to below one bar whereby moisture is removed from the mixture. The present mixing apparatus is rotatable about a hollow axle through which a supply of heating gas is maintained during the mixing. During the removal of the mixture from the mixing container the heating gas may be circulated through the next batch of aggregate being prepared.
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: July 7, 1981
    Inventor: Paul Munderich
  • Patent number: 4273000
    Abstract: A relatively large drum which is supported by rotation about a horizontal axis of rotation is driven by a drive mechanism. The above mechanism includes an energizable rotor that is resiliently and rotatably supported, and in frictional contact with the circumference of the drum, so as to rotate the drum when energized.
    Type: Grant
    Filed: August 11, 1978
    Date of Patent: June 16, 1981
    Assignee: Bucher-Guyer AG
    Inventor: Alfred Schmid
  • Patent number: 4200400
    Abstract: A mixing car for transporting molten metals, comprises, a car undercarriage with a longitudinally elongated mixing vessel supported on the undercarriage at each end for rotation about a horizontally disposed longitudinal axis of the vessel. The support means at at least one end comprises a support bridge frame which is universally pivotally mounted on the undercarriage and is provided with journals on each side for accommodating a support roller shaft which is held in position in respect to the support bridge frame by an anti-rotation safety. The roller shafts include ends which extend outwardly from each longitudinal end of the bridge frame and hollow rollers are mounted on each projecting end of the roller shaft on suitable roller bearings. Interior support rollers are also provided which are affixed to the end of the shaft outboard of the roller bearings and which carry diametrically opposite rollers which engage and support the support rollers.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: April 29, 1980
    Assignee: Gutehoffnungshutte Sterkrade A.G.
    Inventors: Winfried Laubach, Heinz Kienbaum, Rolf Thomas
  • Patent number: 4197015
    Abstract: A portable mixing apparatus has a carriage assembly with at least a platform section and an upwardly extending handle section connected thereto, and the mixing apparatus can be manually moved. At least two roller assemblies having roller members therein are mounted on the platform section in predetermined spaced relation to each other for operative association with a bearing assembly which is preferably mounted for limited linear floating movement in the handle section, and with the outer surface of a mixing bowl to be mounted on said roller members. An axle extends from the closed end of the mixing bowl and when the mixing bowl is mounted in the roller members the axle will be aligned with and can be detachably connected in the bearing assembly so that the axis of rotation of the mixing bowl is substantially parallel to the plane of the platform.
    Type: Grant
    Filed: January 15, 1979
    Date of Patent: April 8, 1980
    Inventors: Paul Moser, Robert Moser
  • Patent number: 4174181
    Abstract: An improved method and apparatus for producing hot mix asphalt wherein flights provided in a mixer drum for cascading aggregate and asphalt across the mixer drum are constructed to establish a plurality of cascade zones, having differing cascade densities, in different portions of the mixer drum. High density cascade zones are provided to maximize the transfer of heat to aggregate; to shield cooler portions of the drum from hotter portions thereof, and to capture fines which would otherwise pass through the drum.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: November 13, 1979
    Assignee: CMI Corporation
    Inventors: David L. Garbelman, William H. Minor, Arthur G. Shaw
  • Patent number: 4124304
    Abstract: A device for driving and supporting the drum of a concrete mixer truck comprises a casing fixedly mounted on the truck chassis by stud bolts, and a driving shaft connected in driving relationship with the drum by a universal coupling consisting of a driving member concentrically connected to the driving shaft and rotatably supported through a self-aligning roller bearing by the casing, and a driven member fixed to the drum and in driving engagement with the driving member with a spherical bearing disposed therebetween. All the driven member, self-aligning roller bearing and spherical bushing are concentrically arranged to rotate about a common center of rotation, and the connecting means is arranged on a reference plane in which the center of rotation lies.
    Type: Grant
    Filed: August 1, 1977
    Date of Patent: November 7, 1978
    Assignee: Okubo Haguruma Kogyo Kabushiki Kaisha
    Inventor: Koichi Suganuma
  • Patent number: RE32043
    Abstract: A portable concrete mixing and transport device comprises a trailer having wheels and a drum supported above the wheels, said drum being movable into and out of engagement with the wheels. Concrete mix carried in the drum is agitated by pulling the trailer with the drum in contact with the wheels, causing the drum to rotate. The drum may be tilted to allow pouring of the mix. The device allows for convenient and inexpensive transport and mixing of small quantities of concrete.
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: December 3, 1985
    Inventor: Edwin J. Routson