Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8007222 | Variable counterweight system for a material handling device A variable counterweight system includes a counterweight and at least one linear transfer device. The counterweight preferably includes a plurality of individual counterweight members. Each linear transfer device preferably includes a moving track and a drive device... | 08/30/2011 |
| 7355122 | Sealed eurytopic make-break connector utilizing a conductive elastomer contact An electrical connection with first and second electrical connectors are adapted to engage each other to form an electrical connection. An electrical wire is connected to each connector. At least one of the connectors has a contact formed of a conductive elastomeric... | 04/08/2008 |
| 7338019 | Adjusting assembly for LCD monitor An adjusting assembly for adjustably connecting a monitor (50) to a base (60), includes a first rotate assembly (10) connected with the base, a second rotate assembly (20) connected with the monitor, a support arm (30) connected wi... | 03/04/2008 |
| 7213716 | Crane The within invention concerns a crane with a superstructure that rotates on a vertical axle, a boom coupled to the superstructure in such manner as to luff on a horizontal axle, luffing equipment for luffing the boom, and an operating ballast that counteracts the mo... | 05/08/2007 |
| 7172105 | Apparatus for positioning pipe and tubing A counterweight assembly is especially adapted for mounting to a spinner tool allowing a workpiece to be balanced when rotated during welding or other operations. The counterweight assembly has an adjustable counterweight to provide a necessary amount of counterbala... | 02/06/2007 |
| 7168740 | Structure of mounting weight in forklift truck A structure of mounting a weight in a forklift truck which has a frame and the weight that is to be connected and fixed to the frame by a bolt and a nut includes a first hole, a second hole, a first fitting part and a second fitting part. The first hole is formed th... | 01/30/2007 |
| 7128517 | Loader with extending bucket and counter balance A small loader machine of the skid-steered type having a counterweight to balance heavy loads in the loader bucket. The bucket is automatically extended forward as the counterweight is extended in the opposite direction so as to keep the machine always in reasonable... | 10/31/2006 |
| 7124853 | Multiwheeled modular rigid frame vehicle A vehicle can be designed using modular frame components. There is provided a chain tank module having one or more chain tanks and an adapter module which provides spacing between individual chain tank modules. Wheels are mounted to the chain tank modules. The chain... | 10/24/2006 |
| 7097186 | Industrial vehicle having body structure An industrial vehicle includes a vehicle body, a pair of rear wheels, a rear axle for supporting the rear wheels, a lock cylinder, a counterweight and a coupling portion. The rear axle is supported to be pivotable relative to the vehicle body. The lock cylinder is l... | 08/29/2006 |
| 6997668 | Load handling device with servo feed-back control The invention concerns a handling device comprising, in combination, a mechanical equilibrium mechanism (10) with low reaction time, having an arm (20) whereof the proximal end (22) is locked on a pivot pin (18) and whereof the distal ( | 02/14/2006 |
| 6923613 | Manipulator A manipulator is provided that includes a foot part and a number of members connected to the foot part and to each other respectively, and at least a gripper part, such that the members, the gripper and the foot part form an arm. One or more motors are provided in t... | 08/02/2005 |
| 6913102 | Working vehicle with traversing system A working vehicle with a traversing system wherein a front wheel is installed on a swing member rotatable about a vertical axis relative to a body and including a rotating cylinder for rotating the swing member. The entire part of the front wheel is formed compact i... | 07/05/2005 |
| 6821081 | Loader with extending bucket and counter balance A small loader machine of the skid-steered type having a counterweight to balance heavy loads in the loader bucket. The bucket is automatically extended forward as the counterweight is extended in the opposite direction so as to keep the machine always in reasonable... | 11/23/2004 |
| 6758113 | High speed pick and place apparatus A pick and place apparatus comprises a bond arm adapted for rotation about an axis between a pick location and a place location. The bond arm is formed with a cavity at an end of the arm remote from the axis, within which cavity are located a plurality of damping pa... | 07/06/2004 |
| 6533319 | Ballast attachment for tractor three-point hitch A ballast attachment for a tractor three-point hitch includes a cubical, rotational molded polyethylene shell filled with steel reinforced concrete. The front side of the attachment includes a forwardly opening receptacle for receiving a transverse hitch ... | 03/18/2003 |
| 6522952 | Method and system for controlling cooperative object-transporting robot A control of a cooperative object-transporting robot which transports an object in cooperation with a man. The robot shares substantially a half of the weight of the object with the man, while the object is kept in a horizontal posture. A force applied to... | 02/18/2003 |
| 6325591 | Device for handling objects The disclosure relates to a device for handling objects to package the same. The handling device comprises a lifting head (17) placed in an extension arm (16) having multiple levers (59, 60, 61), with ends (62, 67) placed on linear drives (63, 68) that ca... | 12/04/2001 |
| 6296436 | Multipurpose counterweight housing and counterweight Construction equipment such as an excavator is provided with a counterbalance assembly positioned at the aft end of the construction equipment. The counterbalance assembly includes a pair of enclosures and a counterweight. The pair of enclosures is separa... | 10/02/2001 |
| 6290009 | Swivel working vehicle When a conventional swivel working vehicle is constructed such that a real part of a swivel body is not extended beyond a traveling device in order to improve an operability at a small site, a balance weight must he significantly increased in weight so as... | 09/18/2001 |
| 6209898 | Traction weights for light trucks and utility vehicles A traction weight assembly, for mounting traction weights on a utility vehicle, has a weight bar that is inserted into a tubular receptacle. The tubular receptacle is secured to the vehicle frame. A retainer pin is inserted through a retainer pin passage ... | 04/03/2001 |
| 6210097 | Burden loading robot having balancer for compensating for off-center loading of weight A burden loading robot includes a loading portion installed in a robot main body and a balancer for offsetting off-center loading of weight of the loading portion. The loading portion includes a loading plate which can be moved away from a fixing portion ... | 04/03/2001 |
| 6019569 | Excavation machine A swing type front working mechanism 7 is provided, the front working mechanism 7 having a foot portion of a lower boom 8L of a boom 8 pivotally supported on brackets 12a through a pin 18. A cross-link 40 is connected between the bracket 12a and an upper ... | 02/01/2000 |
| 5993148 | Article transfer methods Apparatuses and methods are disclosed for transferring ordered articles between carriers. Generally, an empty partitioned carrier is aligned in a generally opposing relationship with partitions in a carrier containing at least one article to be transferre... | 11/30/1999 |
| 5897287 | Electronic ride control system for off-road vehicles A control system for improving the roadability of a wheeled excavator is disclosed herein. The excavator is the type including an implement such as a bucket or backhoe which is moved relative to the excavator by hydraulic actuators. Hydraulic fluid is app... | 04/27/1999 |
| 5890870 | Electronic ride control system for off-road vehicles A control system for improving the roadability of a wheeled excavator is disclosed herein. The excavator is the type including an implement such as a bucket or backhoe which is moved relative to the excavator by hydraulic actuators. Hydraulic fluid is app... | 04/06/1999 |
| 5875678 | Power work arm with dual action shock absorber A device with a pivoting work arm for carrying and positioning a tool which is moved by a modified Watts linkage powered by a linear actuator is provided with shock absorption adjacent both the fully extended and fully retracted work arm positions. The mo... | 03/02/1999 |
| 5833268 | Counterweight hoisting mechanism The invention provides a self-mounting counterweight device which is mounted to one end of the chassis frame of the vehicle. The counterweight is U-shaped having two vertical sides and an outward wall defining an internal enclosure. The counterweight incl... | 11/10/1998 |
| 5733095 | Ride control system In machines having a bucket that is capable of carrying a load of material, it is well know that when the machine is traveling over rough terrain or encounters other obstacles the machine may bounce or the operator may be subjected to a jolt due to a chan... | 03/31/1998 |
| 5697255 | Vertical non-parallel link type robot A vertical non-parallel link type robot having a robot arm construction with which it is possible to increase a movement range easily and cheaply without making the moving arm longer, and to make the driving motor for an upper arm lighter. The robot has a... | 12/16/1997 |
| 5690360 | Supplementary weight for a vehicle A supplementary weight for ballasting a vehicle can be adapted to be hooked onto a carrier component. The weight includes an entry opening which is bordered by an upper leg and a lower leg. The upper leg is supported on the carrier component which project... | 11/25/1997 |
| 5685563 | Counterbalance system for short wheelbase vehicles A counterbalance system for a vehicle having an axis of forward movement, a frame, and front and rear wheels spaced by a wheelbase dimension. A counterweight elides axially along a rail mounted to the frame, A power link mounted to the counterweight and c... | 11/11/1997 |
| 5676264 | Hydraulic boom stop A hydraulic boom stop for a crane that permits operation at angles greater than the normal maximum operating boom angle of the crane boom. The hydraulic boom stop has at least one hydraulic cylinder and a hydraulic control system that is user controlled. ... | 10/14/1997 |
| 5603239 | Gyroscopic virtual counterweight for cranes A large gyroscope adapted to be used in place of, or in addition, to the counterweights normally used on a crane to keep it from tipping when hoisting a load. The gyroscope is of fixed mass such that all road permits and restrictions can be satisfied with... | 02/18/1997 |
| 5533284 | Earth-moving machine with revolving tower and adjustable counterweight An earth-moving machine, includes a bogie. A superstructure is supported on the bogie. The superstructure is divided into a stationary part, and a pivotable part swivelable about a horizontal axis. A working attachment is connected one of directly and ind... | 07/09/1996 |
| 5520499 | Programmable ride control The present invention provides a ride control 100 for a machine having an implement and a hydraulic lift cylinder. The hydraulic lift cylinder is adapted for moving the implement to and between a plurality of positions. The ride control is controllable be... | 05/28/1996 |
| 5498121 | Robot which is capable of receiving impact load When an impact load is applied to a workpiece which is held by the robot, the impact force can be absorbed. The robot includes a grip 3 for holding a workpiece to which an impact load is applied and a buffer mechanism disposed between the grip 3 and a rob... | 03/12/1996 |
| 5462309 | Stackable counterweight arrangement Counterweights are useful in stabilizing a work machine to increase the traction to a pair of wheels on one end when a implement is attached to the opposite end of the machine. The subject counterweight arrangement includes a base weight which is removabl... | 10/31/1995 |
| 5456130 | Load balancing arm A load balancing arm is shown and described as having improved control including a programmable control element and electronic air regulation to provide precise and controllable lifting force on a load. The disclosed load balancing arm responds to slight ... | 10/10/1995 |
| 5423648 | Method and system for quickly and efficiently transferring a workpiece from a first station to a second station A method and system are provided for quickly and efficiently transferring a workpiece from a first work station including a first sheet metal press to a second sheet metal press by providing a pendulum-type robot, including an arm assembly mounted on a su... | 06/13/1995 |
| 5423386 | Turf plug collector A turf collecting apparatus has a pan for collecting turf plugs discharged from an aerator. The pan is rotatably mounted on a frame so that the pan is freely rotatable within the frame. The connector is located on the frame at a point so that when the aer... | 06/13/1995 |
