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 |
| 7162817 | Wheel loader The lifting frame with Z-kinematics of a wheel loader comprises an accessory arm with a lifting cylinder coupled to the vehicle frame or to the truck front-end and a rocker-type reversing lever coupled to the accessory arm, to the ends of which reversing lever the t... | 01/16/2007 |
| 7104054 | Hydraulic cylinder cushioning A system for damping the extension and retraction of a hydraulic cylinder of a work vehicle at the ends of the cylinder's stroke. ... | 09/12/2006 |
| 7069131 | Apparatus for setting function of switches of construction vehicle The present invention relates to an apparatus for setting a function of switches of a construction vehicle, enabling a construction vehicle driver to freely set or arrange the switches as desired, so that the driver feels more convenient to use the switches and thus... | 06/27/2006 |
| 7059422 | Self-orienting loader bucket mechanism A mechanism for retaining a pre-selected orientation of a front-end loader bucket at all points throughout the working range of the lift arm assembly includes a linkage system designed to allow rotation of the bucket from a tilted back position to a fully dumped pos... | 06/13/2006 |
| 6912804 | Loader-type heavy-construction machine A loader-type heavy construction machine has a chassis and work equipment. The work equipment includes two parallel arms articulated relative to the frame, a bucket articulated relative to the arms, a set of link rods forming, with a portion of the bucket and of the... | 07/05/2005 |
| 6755604 | Wheeled shovel loader The present invention relates to a wheeled shovel loader that comprises a boom (3) capable of pivoting about an axis (4) as well as loading shovel (13) that can be actuated by a tilting structure (11, 12). According to this invention, at ... | 06/29/2004 |
| 6647718 | Electronically controlled hydraulic system for lowering a boom in an emergency An industrial lift truck has a boom that is raised and lowered by a first hydraulic actuator and a load carrier that is pivoted with respect to the boom by a second hydraulic actuator. In the event that the supply of hydraulic fluid for powering the actua... | 11/18/2003 |
| 6389953 | Hydraulic leveling control system for a loader type vehicle A hydraulic control system for controlling the orientation of a material handling unit on a lift boom. The control system includes a flow divider/combiner valve operative in a boom-raise, unit-leveling mode to pass a portion of the fluid displaced from th... | 05/21/2002 |
| 6308612 | Hydraulic leveling control system for a loader type vehicle A control system for a lift boom pivotable with respect to a vehicle by a boom cylinder and material handling unit pivotable with respect to the boom by a unit cylinder when the control of a boom control valve and a unit control valve. The control system ... | 10/30/2001 |
| 6099236 | Apparatus for controlling movement of an implement relative to a frame of a work machine An apparatus for controlling movement of an implement relative to a frame of a work machine is disclosed. The apparatus includes a lift arm having an implement, such as a bucket, pivotally coupled thereto. The apparatus also includes a pivot bar which is ... | 08/08/2000 |
| 5944204 | Hydraulic boom compensation system for aerial devices An upper boom compensation system for an aerial device having an articulating boom assembly. The lower boom is raised and lowered by a special double cylinder having two pistons and a common piston rod. A hydraulic circuit is arranged to transfer fluid be... | 08/31/1999 |
| 5813821 | Motorized lift truck adapted to be loaded on the rear of a carrying vehicle A motorized lift truck, with a telescopic arm (9), comprising a chassis (1) mounted on a plurality of wheels of which at least one (7) is power driven. The chassis (1) carries a motor propulsion group (3), a cab (2) and lifting structure (4) disposed betw... | 09/29/1998 |
| 5669282 | Hydraulic circuit for actuating materials handling machine The hydraulic circuit of the invention includes first and second directional control valves 13, 15, each shiftable between three positions. Hydraulic circuit extending from the second directional control valve 15 and a second cylinder 7 to a first cylinde... | 09/23/1997 |
| 5577878 | Work machine A work machine includes a boom which is pivotally connected at one end to the machine and is provided at the other end with a tool carriage which is attached to the boom at a pivot which is fixed with respect to the boom. The tool carriage is associated w... | 11/26/1996 |
| 5470190 | Loader vehicle A loader vehicle comprising a body having a front end and a rear end and provided with ground engageable propulsion means, an operator's compartment and a boom assembly, comprising a lift arm assembly and a pivot member which projects transversely from th... | 11/28/1995 |
| 5356260 | Apparatus for maintaining attitude of bucket carried by loading/unloading vehicle A loading/unloading vehicle having booms and a bucket carried thereon such as a shovel loader, a wheel loader or the like vehicle detects that a true bucket-to-ground angle coincides with a preset angle after the vehicle starts automatic turning movement ... | 10/18/1994 |
| 5226777 | Load lifting system for vehicles Apparatus and system for loading and unloading a load onto and from a load carrying device mounted on a vehicle which is capable of producing a significant lift of the load and changing the angular position of the load at different load elevations. A bell... | 07/13/1993 |
| 5201235 | Linkage for loader bucket or other material handling device The present invention is directed to a linkage connectable between a frame and an attachment. The linkage is characterized as self-leveling, meaning that once an attitude or orientation of the attachment with respect to the ground is achieved, the linkage... | 04/13/1993 |
| 5083894 | Apparatus for maintaining attitude of bucket carried by loading/unloading vehicle A loading/unloading vehicle having booms and a bucket carried thereon such as a shovel loader, a wheel loader or the like vehicle detects that a true bucket-to-ground angle coincides with a preset angle after the vehicle starts automatic turning movement ... | 01/28/1992 |
| 4966518 | Apparatus for controlling posture of front loader An apparatus for controlling the posture of a front loader has booms attachable to a vehicle body which are pivotally movably upward and downward and has a work implement attached to the forward ends of the booms and pivotally movable in a scooping direct... | 10/30/1990 |
| 4964778 | Forklift truck having a telescopic auxiliary boom articulated to a telescopic main boom A forklift truck having a fork assembly connected to a telescopic auxiliary boom articulated to a telescopic main boom. The telescopic and articulating features of the auxiliary boom in conjunction with the telescopic feature of the main boom increases th... | 10/23/1990 |
| 4964779 | Electronic bucket positioning and control system An electronic bucket positioning and control system for a vehicle of the type including a hydraulically controlled boom assembly and bucket. The bucket positioning and control system can operate in a bucket positioning mode, bucket return to position mode... | 10/23/1990 |
| 4923362 | Bucket leveling system with dual fluid supply A boom and bucket system for a loader includes a bucket leveling valve which maintains a desired orientation of the bucket as the boom is raised or lowered. A hydraulic circuit automatically and selectively supplies fluid for bucket leveling from boom cyl... | 05/08/1990 |
| 4921394 | Load handling device A load handling device for transferring ISO flat racks, containers or the like, to and from a support comprising two spaced lifting arms (11) pivotally connected adjacent their lower ends (at 9) to said support (13) and hydraulic rams (40,41) for rocking ... | 05/01/1990 |
| 4867321 | Variable reach crane jib with automatic balancing device The invention provides a system for automatically balancing the jib of cranes of the type with articulated arms or telescopic arms depending on the variation of the reach of this jib. The annular section chambers of the hydraulic cylinder controlling the ... | 09/19/1989 |
| 4861224 | Aerial lift including overload sensing system An aerial lift having means for sensing a combination of the load placed on the upper end of the upper boom and the relative position of the upper boom with respect to horizontal and for generating a signal or interrupting supply of hydraulic fluid to the... | 08/29/1989 |
| 4844685 | Electronic bucket positioning and control system An electronic bucket positioning and control system for a vehicle of the type including a hydraulically controlled boom assembly and bucket. The bucket positioning and control system can operate in a bucket positioning mode, bucket return to position mode... | 07/04/1989 |
| 4826474 | Forklift apparatus for unloading articles from an elevated surface An improved forklift device for unloading palletized articles from the bed of a flatbed truck may be removably carried in "piggyback" fashion on the rear end of the truck. The device has a fork structure adapted to liftingly engage one of the pallets, a w... | 05/02/1989 |
| 4822237 | Extended reach materials handling apparatus Extended-reach lift apparatus for remote accessing of low-clearance areas is provided. The apparatus includes a vehicle whose frame supports a vertically pivotable telescoping boom which is elevatable by means of hydraulic rams. An extended tilt head is p... | 04/18/1989 |
| 4775288 | High-lift loader A self-propelled, low-profile, high-lift loader having the ability to lift loads higher above grade and lower below grade than previous such loaders of the same size category. The loader includes a main frame and a boom support frame pivotally connected a... | 10/04/1988 |
| 4773302 | Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement A control apparatus having a boom control system for controlling the movement of a liftable boom supported by a vehicle body and a working device control system for controlling a working device pivoted to the boom. Each of the control system includes a pr... | 09/27/1988 |
| 4768917 | Loader boom mechanism A boom mechanism including a linkage which interconnects the frame of a loader with the boom arm and the loader bucket. The linkage includes a cross-shaped member having arms extending forwardly, rearwardly and laterally. The rearward arm is pivotally con... | 09/06/1988 |
| 4767256 | Method of operating a boom A method of operating a boom which comprises an elongate member mounted on a base for pivotal movement about a first axis transverse to the axis of the elongate member, first fluid operated power means mounted between the base and the elongate member to c... | 08/30/1988 |
| 4723478 | Series self-leveling valve A self-leveling series type hydraulic system including boom and bucket valves which separately control boom and bucket cylinders and a flow divider valve positioned in the exhaust flow path from the rod end of the boom cylinder. The flow divider valve spl... | 02/09/1988 |
| 4722656 | Device for emptying containers, especially refuse bins A device for emptying refuse bins, having a tipping frame to engage the bin, a fluid-actuated motor connected to the tipping frame for moving it between a first position wherein it is capable of initial engagement with and holding of the bin, and a second... | 02/02/1988 |
| 4709618 | Series self-leveling valve with single spool for unloading and relief A self-leveling series type hydraulic system including boom and bucket valves which separately control boom and bucket cylinders and a flow divider valve positioned in the exhaust flow path of the rod end of the boom cylinder. The flow divider valve split... | 12/01/1987 |
| 4674944 | Forklift variable reach mechanism A mechanism for use on a boom-type vehicle includes load lifting forks carried by a low profile twist-resistant carriage which is one link in a low profile parallelogram linkage attached to a fly section of the boom and maintained level in all positions o... | 06/23/1987 |
| 4512708 | Earth-moving machine with boom, dipperstick and bucket, equipped with means for directionally-adjusting the bucket An earth moving machine having a boom, a dipperstick, and a bucket all mounted for pivotal movement one with respect to the other, a double acting cylinder for each of the boom, the dipperstick, and the bucket, respectively, for controlling the pivotal mo... | 04/23/1985 |
| 4504185 | Hydraulic circuit of hydraulic power shovel A hydraulic circuit for a hydraulic power shovel of the type having a swingable boom, swingable arm and a bucket attached to the end of the arm. The hydraulic circuit includes a levelling cylinder adapted to extend and contract in response to the swinging... | 03/12/1985 |
| 4408518 | Series self-leveling valve A self-leveling series type hydraulic system including boom and bucket valves which separately control boom and bucket cylinders and a flow divider valve positioned in the exhaust flow path from the rod end of the boom cylinder. The flow divider valve spl... | 10/11/1983 |
