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| Number | Title | Issue Date |
| 7331701 | Gearbox for concrete mixer 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 comp... | 02/19/2008 |
| 7216516 | Wobble joint A wobble joint particularly useful for supporting a wash plate in a wash basket of an automatic washing appliance includes inner and outer races formed with mating part-spherical surfaces having common centers of curvature about a longitudinal axis of the joint. Ant... | 05/15/2007 |
| 6923566 | Portable drum jumper The current invention is to an arrangement for a portable emergency drum jumper that can be mounted to the mixer fender or mixer fender of a truck to provide emergency power to rotate the drum. The pump has been substantially reduced in size by rotating the drum at ... | 08/02/2005 |
| 5847294 | Apparatus for determining powder flowability 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 rot... | 12/08/1998 |
| 5820258 | Cement mixer drum support 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... | 10/13/1998 |
| 5607232 | Asphalt plant drum drive 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 t... | 03/04/1997 |
| 5348387 | Auxiliary bearing and drive mechanism for a concrete mixer 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 e... | 09/20/1994 |
| 5137366 | Mixer vehicle 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... | 08/11/1992 |
| 5118198 | Cement mixing apparatus with cradle support assembly 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 ... | 06/02/1992 |
| 5103687 | Self-adjusting trunnion assembly 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 f... | 04/14/1992 |
| 5039226 | Portable concrete mixer 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... | 08/13/1991 |
| 4951260 | Integral dust hood for tilt mixer drum 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 in... | 08/21/1990 |
| 4634284 | Hand-operated mixing device 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 ... | 01/06/1987 |
| 4624576 | Adjustment of drum mixer trunnions 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... | 11/25/1986 |
| 4525070 | Rotary mixing apparatus 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 a... | 06/25/1985 |
| 4506983 | Bulk material storage and mixing apparatus 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. T... | 03/26/1985 |
| 4491415 | Rotary drum mixing device 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 exten... | 01/01/1985 |
| 4461577 | Variable height concrete truck 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 lowere... | 07/24/1984 |
| 4453830 | Output coupling for concrete mixer transmission 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 t... | 06/12/1984 |
| 4435082 | Rotary drum mixing device 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 trans... | 03/06/1984 |
| 4387995 | Portable concrete mixing and transport apparatus 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 traile... | 06/14/1983 |
| 4378163 | Output coupling for concrete mixer transmission 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 t... | 03/29/1983 |
| 4357109 | Mixer 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, i... | 11/02/1982 |
| 4335963 | Output coupling for concrete mixer transmission 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 t... | 06/22/1982 |
| 4294548 | Drive arrangement for concrete mixers 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.... | 10/13/1981 |
| 4277180 | Method and apparatus for making bituminous mixtures 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 con... | 07/07/1981 |
| 4273000 | Drive mechanism for a drum 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 ci... | 06/16/1981 |
| 4200400 | Mixing car for transporting molten metals 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 me... | 04/29/1980 |
| 4197015 | Portable mixing apparatus 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 a... | 04/08/1980 |
| 4174181 | Method and apparatus for establishing aggregate cascade zones in an apparatus for producing hot mix asphalt 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... | 11/13/1979 |
| 4124304 | Direct drum drive for concrete mixer trucks 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 drivi... | 11/07/1978 |