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| Number | Title | Issue Date |
| 7931397 | Under pedestal tank arrangement Auxiliary fluid tanks associated with transit concrete mixing and dispensing systems are disclosed which include a hydraulic reservoir tank which is adapted to be stowed inside a mixing drum support pedestal. The hydraulic fluid reservoir tank further includes a sha... | 04/26/2011 |
| 7896538 | Power system for a small load concrete truck drum A power take-off unit is connected to a power take-off gear/port on a concrete mixing truck transmission, the power take-off unit being driven by the engine so it is always providing power as long as the engine is running. A hydraulic pump is connected to and driven... | 03/01/2011 |
| 7866875 | Concrete agitating drum driving device A variable capacity hydraulic pump (10) drives a concrete agitating drum (1) via a hydraulic motor (81). A hydraulic actuator (14) regulates a discharge flow rate of the hydraulic pump (10) depending on an actuator driving pressure... | 01/11/2011 |
| 7832919 | Gear train for driving a mixer drum mounted on a vehicle A gear for driving a drum of a ready-mix concrete truck comprises a driving motor (5) which drives an inner spider gear (7) of a planetary gear. An outer spider gear (16) forms the driven part and a bearing (11), by which the drum of the ... | 11/16/2010 |
| 7467889 | Hydraulic driving device for concrete agitating drum responsive to engine speed An agitating drum driving device comprises a hydraulic motor (81) for rotating an agitating drum (1), and a swash-plate type hydraulic pump (10) connected to a combustion engine (60) to supply pressurized oil to drive the hydraulic motor ... | 12/23/2008 |
| 7345589 | Concrete wetting alarm system At least one embodiment of the inventive technology claimed herein seeks to reduce the risk of the excessive admixing of water during a concrete wetting operation by providing a system that alerts, with at least one water flow indicator, at least one individual havi... | 03/18/2008 |
| 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 |
| 7188991 | Auxiliary control station for a rear dispensing concrete mixing vehicle An auxiliary control station for a rear dispensing concrete truck that controls the truck's steering, braking, and throttle. A seat with controls accessible from the seat may be positioned outside of the cab, such as to allow control of the truck from a position wit... | 03/13/2007 |
| 7048430 | Hydraulic concrete mixer A hydraulic concrete mixer includes a drum (110) having a mixing blade (120) attached to an interior thereof, a frame (130) supporting the drum, an engine (140) mounted on the frame, and a drive train (150) extending through at lea... | 05/23/2006 |
| 6942375 | Vehicle accessory power arrangement A vehicle with one or more accessory systems that are capable of drawing power from a flow of pressurized hydraulic fluid and utilizing that power toward their intended functionality. The vehicle has a powertrain including a primary internal combustion engine and dr... | 09/13/2005 |
| 6938716 | Concrete mixing truck anti-rollover system An anti-rollover system is used with a concrete mixing truck with a mixing drum, in particular during turning maneuvers, for preventing rollovers by the truck. The anti-rollover system is comprised of one or more sensors on the truck which generate an input signal r... | 09/06/2005 |
| 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 |
| 6641297 | Hazardous waste transportation and disposal An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank ha... | 11/04/2003 |
| 6074083 | Hydrostatic-mechanical drive for a mixing drum A hydrostatic-mechanical drive unit for a mixing drum, especially of a mobile concrete mixer has pistons (24) of a hydraulic motor (25) that are spring-loaded so as to constantly bear, via rollers (25), on a cam surface (26). With a hydraulic pump (2) sta... | 06/13/2000 |
| 5868494 | Wheeled motorized mixer A mixing apparatus, comprising, a frame, a pair of handles secured to the frame with each handle having a proximal and a distal end thereto and a pair of downwardly depending support elements. A first wheel is secured to the distal ends of the pair of han... | 02/09/1999 |
| 5746509 | Hydrostatic-mechanical gear for driving a mixing drum The invention concerns a hydrostatic-mechanical gear for driving a mixed drum and, in particular, the drum of a concrete mixer vehicle. Cooling is provided for by the continuous removal of oil from a high pressure circuit, via a connecting pipe, and the c... | 05/05/1998 |
| 5492402 | Combination trailer and self propelled vehicle The present invention is a combination trailer and self propelled vehicle which combines the maximum gradeability of all wheel drive with the ability to be efficiently and conveniently towed by conventional means at maximum permissible highway speeds. As ... | 02/20/1996 |
| 5489150 | Mortar mixer frame having integral hydraulic fluid reservoir with means for cooling the hydraulic fluid A motar mixer driven by a hydraulic pump and motor which are powered by an gasoline engine. The mixer frame is configured as a trailer to facilitate transport of the mortar mixer. The trailer frame is further adapted so that the frame members form a fluid... | 02/06/1996 |
| 5411329 | Portable large volume cement mixer for batch operations A large volume cement mixer that is readily mobile and can be set up for use with a concrete batch plant at a given location. The cement mixer is carried on an elongated frame having wheels on one end and a gooseneck connection on the front end for towing... | 05/02/1995 |
| 5385402 | Hazardous waste transportation and disposal An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank ha... | 01/31/1995 |
| 5340213 | Agitation system An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank ha... | 08/23/1994 |
| 5275487 | Hazardous waste transportation and disposal An apparatus for holding hazardous waste made up of solids and liquids in a flowable form includes a tank made of material selected to be impervious to and non-corrodible by the hazardous waste and having a non-critical portion, an agitator in the tank ha... | 01/04/1994 |
| 5261739 | Multifunction construction machine Multifunction building machine used in civil construction sites and public works. The machine combines on a self-propelled frame, a concrete-mixer (20) with a set of tools on one side, comprising a loading power shovel (60), a grader (70) and a digging sh... | 11/16/1993 |
| 5076703 | Hydraulic oil tank An improved oil tank for storing hydraulic fluid and the hydraulically-powered system is fabricated from a polymeric material which is resistant to chemical breakdown from oil. The tank is constructed in a manner which facilitates internal circulation of ... | 12/31/1991 |
| 4846581 | Rear discharge-two way concrete mixer A rear discharge concrete mixer vehicle having a chassis comprising a cab for the vehicle operator; control means in the cab for operation of the vehicle; a rotary drum on the vehicle chassis; a discharge chute associated with the rotary drum; and auxilia... | 07/11/1989 |
| 4755059 | Auger swivel for concrete mixer An auger swivel for a concrete mixer includes a channel mounted to a bowl. A center member is pivotally connected to a pivot point near the channel and near an outer surface of the bowl. The center member includes a pair of first wings that extend from th... | 07/05/1988 |
| 4585355 | Concrete mixer truck The invention relates to a concrete mixer truck having a rotatably driven mixer drum, particularly a drum provided with interior mixing elements, and a hydraulic system as a drive source for the mixing process. It is intended to enhance the effect of the mixin... | 04/29/1986 |
| 4542990 | Hydraulic apparatus for driving one or more hydraulic equipment devices, mounted on a semi-trailer, by means of the system motorizing the semi-trailer A hydraulic apparatus drives a semi-trailer hitched to a road tractor and a hydraulic equipment device carried by the semi-trailer. The apparatus includes an auxiliary motor capable of driving the device, for example a concrete mixer, through a hydraulic ... | 09/24/1985 |
| 4487507 | Portable waste processing unit A processing apparatus for sludge and liquid waste comprising a wheeled vehicle having a frame, a drum type mixer mounted for rotation on said frame, motive power means including a hydraulic pump, a hydraulic motor for rotating said drum type mixer mounte... | 12/11/1984 |
| 4441821 | Apparatus for increasing the delivery range of a mixing and delivery auger trough A mixing and delivery system for concrete or the like wherein the delivery range of a mixing auger trough is extended by two (2) delivery chutes which can be selectively deployed. The chutes are stored secured to and beneath the trough in end-to-end relat... | 04/10/1984 |
| 4416545 | Mixer A mixer having a mixing trough rotatable about a longitudinal axis with a charging and discharging opening and rotatable mixing and kneading blades within the trough is provided. A mixing shaft is connected to the blade and is driven by at least one hydra... | 11/22/1983 |
| 4362390 | Drive assembly for vehicular cement mixers The drive for rotating the drum of a vehicular cement mixer includes a mechanical power train mounted in a first chamber of a drive housing and a hydrostatic motor disposed in a second housing chamber substantially surrounded by yet another chamber define... | 12/07/1982 |
| 4329064 | Hydrostatic-mechanical drive for vehicular cement mixers In a cement-mixer truck having a mixing drum rotated via a step-up transmission by a hydrostatic motor in turn energized by a power pump driven by the vehicle engine, the motor is disposed in a chamber at least partially filled with coolant replenished by... | 05/11/1982 |
