Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 8146356 | Procedure to align working equipment mounted to a liftable and lowerable hoisting frame of a working machine The procedure, provides a simple and retro-fittable manner to align working equipment, mounted to a liftable and lowerable hoisting frame of a working machine in a tilting way to comply with required positions, wherein the working equipment is shifted via a tilting ... | 04/03/2012 |
| 7559197 | Combiner valve control system and method A hydraulic control system for a machine is disclosed. The hydraulic control system may have a first fluid actuator, a first pump configured to produce a first stream of pressurized fluid, a second fluid actuator, and a second pump configured to produce a second str... | 07/14/2009 |
| 7412826 | Hydraulic system for work vehicle The hydraulic system for a work vehicle includes a main hydraulic pump, a main supply circuit through which pressurized oil from the main hydraulic pump flows, a sub hydraulic pump, and a sub supply circuit through which pressurized oil from the sub hydraulic pump f... | 08/19/2008 |
| 7331175 | Hydraulic system having area controlled bypass The present disclosure is directed to a hydraulic system having a first source of pressurized fluid and at least one fluid actuator. The hydraulic system further includes a first valve disposed between the first source and the at least one fluid actuator. The first ... | 02/19/2008 |
| 7275369 | Hydraulic control device for controlling a boom-swing frame combined motion in an excavator A hydraulic control device includes first and second pumps, a swing control spool, a boom first-speed control spool, a boom second-speed control spool, a swing motor, a boom cylinder, a pilot control valve, and a confluence line for merging the hydraulic flow from t... | 10/02/2007 |
| 7178333 | Hydraulic control system for hydraulic excavator A hydraulic control system for a hydraulic excavator of the present invention comprises a boom control valve in a first oil path for providing pressure oil from a first hydraulic pump with a boom cylinder according to operation of a boom operating means, an arm cont... | 02/20/2007 |
| 7155908 | Hydraulic system for heavy equipment option apparatus The present invention is directed to controlling an operation oil supplied to an option apparatus without changing a design of a control valve assembly which controls an operation oil supplied to a traveling motor, etc. when additionally engaging an option apparatus... | 01/02/2007 |
| 7150288 | Control valve apparatus A control for parallel hybrid transmission has a valve mechanism, which is operable to supply fluid pressure to a torque-transmitting mechanism with or without the operation of the vehicle engine. The valve mechanism is responsive to an electrically driven pump to s... | 12/19/2006 |
| 7059124 | Hydraulic control apparatus for work machines A hydraulic control apparatus which is used in order to prevent the blade from falling over on the pitch back side during a dual tilting operation, and to operate the left and right tilting cylinders in a uniform manner even in case where there is a large difference... | 06/13/2006 |
| 7047735 | Increasing hydraulic flow to tractor attachments Hydraulic flow to tractor attachments such as a sweeper, snow thrower, breaker, auger or cold planer may be increased by diverting pressurized hydraulic fluid from the auxiliary pump. A diverter valve between the auxiliary pump and the auxiliary circuit of the loade... | 05/23/2006 |
| 7017703 | Four wheel traction control valve A hydrostatic propulsion system includes a hydrostatic circuit fluidly connecting left front and right front motors in parallel with an outlet of a pump, left rear and right rear motors in parallel with an inlet of the pump, left front motor and right rear motor in ... | 03/28/2006 |
| 6997098 | Method and apparatus for driving hydraulic motors with agricultural tractors For connection to a hydraulic power supply of a tractor, wherein the tractor comprises a plurality of hydraulic supply circuits, and wherein each hydraulic supply circuit comprises a pair of quick couplers for connecting the hydraulic supply circuit to a hydraulic d... | 02/14/2006 |
| 6925916 | Two stage punch press actuator with output drive shaft position sensing A press for forming a workpiece with a tooling set includes an actuator assembly carrying a movable half or punch of the tooling set and having a two phase operation. In the first phase the actuator provides relatively low force in moving the punch to an intermediat... | 08/09/2005 |
| 6892535 | Hydraulic circuit for boom cylinder combination having float function The present invention relates to a hydraulic circuit for a boom cylinder combination having a float function which is capable of implementing a leveling work in such a manner that a leveling work is performed by lowering a boom based on its self-weight without using... | 05/17/2005 |
| 6868671 | Hydraulic circuit for a crane The present invention provides a hydraulic circuit for a crane wherein a switching valve is provided between a plurality of motor circuits connected in series within the same actuator group, and at the time of simultaneous operation of the motor circuits, the switch... | 03/22/2005 |
| 6810663 | Fluid pressure circuit control system Hydraulic oil supplied from pumps (12),(13) to an attachment actuator (60) is controlled by attachment control valves (27),(28). Hydraulic oil supplied from pumps (12),(13) to other actuators (52),(54),(... | 11/02/2004 |
| 6772589 | Hydraulic system with variable fluid flow under pressure to fluid-operated consumers A hydraulic system includes at least two consumers, e.g., a closing unit and an injection unit of an injection molding machine. At least two displacement pumps are provided to produce a fluid flow under pressure to the consumers, whereby at least one control valve i... | 08/10/2004 |
| 6764126 | Hydraulic actuating device for a cover with associated lock A hydraulic actuating device, for a vehicle cover and an associated lock for locking the cover in the closed position, has a cover actuator and a lock actuator which each are provided with a first and second connection, which are respectively in communication with a... | 07/20/2004 |
| 6708490 | Hydraulic system for construction machine According to the invention, traveling bypass cut-off valves are disposed in center bypass passages respectively which are located between traveling direction control valves and working direction control valves disposed downstream of the valves, wherein, when at leas... | 03/23/2004 |
| 6681571 | Digital controlled fluid translating device The displacement of fluid translating devices are normally controlled by changing the angle of an eccentric or a cam plate to change the pumping stroke of the pistons within the device. In the subject arrangement, the displacement of the fluid translating... | 01/27/2004 |
| 6658972 | Full force web severer A first given pressure is provided to a first side of an air pressure cylinder that in turn drives a cutting member under the influence of the first given pressure. A second given pressure is provided to a second side of the air pressure cylinder that is ... | 12/09/2003 |
| 6612109 | Hydraulic power boost system for a work vehicle A backhoe hydraulic system includes a first source of hydraulic fluid, a tank or reservoir, a boom lift cylinder, and a directional control valve that controls fluid flow between the boom swing cylinder and the tank and reservoir. The system also includes... | 09/02/2003 |
| 6508503 | Hydraulic actuating device for a folding roof of a motor vehicle A hydraulic actuating unit for integration into a preassembled folding roof unit of a motor vehicle is adapted for mounting as a single unit in a motor vehicle with the hydraulic actuating unit integrated therein. The preassembled folding roof unit has a ... | 01/21/2003 |
| 6357231 | Hydraulic pump circuit for mini excavators An off road machine is provided with a hydraulic system for operating drive motors for propelling the machine, as well as operating actuators for machine functions. The hydraulic system utilizes three pumps, with the pumps connected to a single high press... | 03/19/2002 |
| 6244048 | Hydraulique drive device A hydraulic drive system for a supersized hydraulic working machine such as a hydraulic excavator includes hydraulic pumps connected to main lines through a delivery line and a supply line. Branch portions from the main line include flow control valves fo... | 06/12/2001 |
| 6170261 | Hydraulic fluid supply system A pressurized hydraulic fluid supply apparatus capable of merging or separating a plurality of hydraulic pump lines according to the driving states of a plurality of actuators. The pressurized hydraulic fluid supply apparatus has a merge/separation valve ... | 01/09/2001 |
| 6164069 | Hydraulic drive system for construction machine Arranged on a side of a first pump are a flow control valve for controlling a first boom cylinder, a flow control valve for an arm, said flow control valve being connected in tandem with said flow control valve and being adapted to control an arm cylinder... | 12/26/2000 |
| 6148548 | Construction machine A construction machine comprising two hydraulic pumps; right and left traveling motors for causing the construction machine to travel; work machine actuators for actuating a work machine of the construction machine; a control valve which makes control so ... | 11/21/2000 |
| 6149221 | Hydraulic control unit, in particular for operating a folding roof of a vehicle Hydraulic control unit, in particular for the folding roof of a vehicle, comprising a reservoir for hydraulic fluid, a pump for drawing hydraulic fluid out of the reservoir and provided with a delivery port for delivering compressed hydraulic fluid, and a... | 11/21/2000 |
| 6145287 | Hydrostatic circuit for harvesting machine The multiple pump apparatus includes first and second variable displacement closed circuit pumps. The multiple pump apparatus pressurizes fluid to be subsequently supplied to drive load devices. The first and second pumps each have fluid communication lin... | 11/14/2000 |
| 6128900 | Hydraulic fluid supply system A system for supplying an implement with hydraulic fluid includes a first hydraulic pump generating a first flow, a second hydraulic pump generating a second flow and a valve assembly adapted to be coupled to the implement and coupled to the first and sec... | 10/10/2000 |
| 6018895 | Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements A power machine includes a pair of traction motors to provide for travel of the machine. The power machine also includes a boom, an arm and a tool (such as a bucket). The power machine includes a hydraulic power circuit which has a valve stack that enable... | 02/01/2000 |
| 5996341 | Hydraulic control circuit in a hydraulic excavator A cut-off valve is mounted so that it can open and close an oil passage which leads a pressure oil discharged from a first pump into a hydraulic oil tank in a neutral state of a spool valve for boom. When an operating lever for boom and an operating lever... | 12/07/1999 |
| 5992721 | Rodless cylinder rope tensioning apparatus A rodless cylinder rope tensioning apparatus maintains tension in an endless rope system operable for threading a web in a paper-making apparatus and includes at least one rodless cylinder having at least one yoke sheave attached to the internal piston in... | 11/30/1999 |
| 5970709 | Hydraulic control circuit in a hydraulic excavator Pilot change-over valves for operating actuators are connected in a center bypassing form and a cut-off valve is disposed downstream of each such pilot change-over valves. Commands which are in a proportional relation to each other are outputted from a co... | 10/26/1999 |
| 5950426 | Hydraulic circuit for hydraulic machine A hydraulic circuit enables a plurality of hydraulic actuators to be locked or unlocked at the same time no matter whether control valves controlling pressurized oil feed to the hydraulic actuators are pilot-controlled or not. To this end, the circuit is ... | 09/14/1999 |
| 5950428 | Apparatus for improving the operating capability of a construction machine during a fine operation mode and method for the same Disclosed is an apparatus for increasing the operating capability of a construction machine during a fine operation mode and a method for the same. The apparatus being capable of preventing a merged hydraulic fluid from being supplied into a hydraulic act... | 09/14/1999 |
| 5946910 | Hydraulic circuit for hydraulically driven working vehicle The present invention relates to a hydraulic circuit for a hydraulically driven working vehicle which allows the vehicle to travel at an almost constant speed during high-speed traveling, provides a great digging force during working, does not need a char... | 09/07/1999 |
| 5890303 | Hydraulic by-pass circuit for a hydraulic shovel A pilot pressure sensor detects a pilot pressure from an arm operating unit and outputs a pilot pressure signal. A drive signal corresponding to the pilot pressure signal is then outputted from a controller to a solenoid-operated proportional valve. Throu... | 04/06/1999 |
| 5865086 | Thermo-hydro-dynamic system Description of a system of a thermodynamic steam pump for water propulsion, its heating, disinfection and sterilization, or propulsion of other liquids, characterized by use of water steam pressure as the propelling media of a liquid mass directly, withou... | 02/02/1999 |
