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| Number | Title | Issue Date |
| 7192236 | Shelf stacking machine The invention relates to a shelf stacking machine for stocking and removing paper reels, especially in the printing industry. The shelf stacking machine can be driven in a lane with storage places at both sides. Said storage places receive paper reels which are stac... | 03/20/2007 |
| 6957705 | Loader linkage A Z-bar loader linkage having a floating bell crank. A boom is pivotally mounted to a loader frame at one end and an attachment at the other end. The bell crank is pivotally mounted on leveling links extending forwardly from the loader frame. The drive end of the be... | 10/25/2005 |
| 6802687 | Method for controlling a raise/extend function of a work machine A method for controlling the raise/extend function of a work machine is provided. The method comprises sensing the lateral orientation of the work machine, comparing the sensed orientation to a desired orientation and controlling the raise/extend operation in respon... | 10/12/2004 |
| 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 |
| 6309171 | Mobile loading machine with front-end loading equipment In the case of a mobile loading machine with front-end loading equipment, in particular a construction machine, having a lifting frame (1) which is rotatably mounted by the rear end on a front frame part (13) of the loading machine (L) in a lifting-frame ... | 10/30/2001 |
| 5993138 | Tilt linkage arrangement In the operation of a wheel loader, the linkage arrangement that mounts the bucket to the machine must provide components with adequate loading capabilities while maintaining good visibility to the bucket for an operator. The present linkage arrangement i... | 11/30/1999 |
| 5984618 | Box boom loader mechanism The present invention includes a box boom loader mechanism utilizing a box boom lift arm assembly with a single plate steel top wall and a bottom wall connected with a non-transverse weld to a pair of single plate steel inner side walls to define a rectan... | 11/16/1999 |
| 5885050 | Working unit of construction equipment with attachment self leveling function A working unit of construction equipment with an attachment self leveling function is disclosed. The working unit includes an attachment self leveling linkage. The linkage automatically maintains the desired angle of the attachment relative to the referen... | 03/23/1999 |
| 5879126 | Working unit of contruction equipment with attachment self leveling function A working unit of construction equipment with an attachment self leveling function is disclosed. The working unit includes an attachment self leveling linkage. The linkage automatically maintains the desired angle of the attachment relative to the referen... | 03/09/1999 |
| 5226776 | Foldable link rod for carrying an operative platform Foldable link rod system to be placed on a travelling frame comprises pivotally suspended link rods (16, 18) for raising and lowering an operation platform (14). A rotating stool (20) constitutes the connection between two link rods (16 and 18) which are ... | 07/13/1993 |
| 5150999 | Bale lifter and mover Apparatus for lifting round bales of hay including a pair of arms which project forwardly from the front end of a tractor. These arms support a pivotal structure which includes a spear for impaling a round bale of hay and thereafter tilting the bale up of... | 09/29/1992 |
| 5046914 | Parallel lifting device A lifting device incorporating first and second arm assemblies with associated rotatable shafts and a platform rotationally connected to the second arm assembly so as to maintain a fixed relationship to a reference surface as the first and second arm asse... | 09/10/1991 |
| 5037261 | Spoon support mechanism in a self-feeding device for handicapped persons A self-feeding device for automatically lifting food off of an eating surface of a plate to an eating position located above the device includes a plate and a plate support. A spoon support mechanism moves a spoon from an upper eating position to a lower ... | 08/06/1991 |
| 4795305 | Cable operated loader apparatus A portable bucket loader attachment can be operated by a conventional garden tractor or pickup truck. The loader has a wheel mounted frame having a forwardly extending boom carrying a bucket rotationally mounted at the end of the boom. A rotational contro... | 01/03/1989 |
| 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 |
| 4650393 | Machine for excavating work A machine for excavating work such as an oil-pressure shovel comprising a boom, an arm, and bucket. The turning shaft for an arm turning device provided on the arm is made capable of turning in the vertical plane including the boom, and this turning shaft... | 03/17/1987 |
| 4645408 | Uncontrolled angular displacement compensating device for industrial robot An uncontrolled angular displacement compensating device for compensating an uncontrolled angular displacement of a robot hand mounted on a robot hand mounting link of a robot hand shifting linkage of an industrial robot, resulting from the expansion or c... | 02/24/1987 |
| 4636133 | Heavy load lifting apparatus A heavy load lifting machine for elevating heavy loads off of and transporting heavy loads along the ground is disclosed. The machine includes a load lifting linkage having a special configuration for the linkage arms and lift rams to accommodate lifting ... | 01/13/1987 |
| 4583907 | Extensible apparatus Highly flexible extensible apparatus for employing an end-use work tool for one of multiple purposes characterized by combinations of a pivotal base; main support structure; pivotally mounted support structure; extensible base unit having first and last r... | 04/22/1986 |
| 4516699 | Automatic ladling apparatus An automatic ladling apparatus for conveying molten metal from a furnace to a die casting machine or the like. The ladle dipper is carried through its ladling cycles by means of cooperating link assemblies mounted on an upright base or pedestal. The assem... | 05/14/1985 |
| 4452559 | Attachment assembly for bellcrank arm An attachment assembly for adjustably securing the control arm and bellcrank arm of an anti-rollback linkage for material handling buckets. The anti-rollback control arm includes a generally flat planar arm portion and a position adjusting shaft with the ... | 06/05/1984 |
| 4431364 | Self-leveling linkage assembly for material handling equipment A self-leveling linkage assembly for maintaining a bucket in a level condition and for preventing the bucket from being rolled rearwardly beyond a predetermined maximum rollback position as the lift arm for the bucket is moved to an extreme raised positio... | 02/14/1984 |
| 4427334 | Load handling apparatus A load handling and transporting vehicle is provided with a load handling apparatus movable from a compact low profile position to an extended position. The load handling apparatus has a main lift beam pivotally connected to a link and control beam. A sec... | 01/24/1984 |
| 4396344 | Industrial robot of the articulated type An industrial robot of the articulated type including a swivelling pedestal capable of swivelling about a vertical axis by force of a drive motor, a first brachium supported for pivotal movement about a first axis disposed horizontally on the pedestal, a ... | 08/02/1983 |
| 4372729 | Tilt control A motor vehicle equipped with lift arms and a bucket for handling material. The vehicle has a fluid power system including piston and cylinder assemblies to pivot the lift arms between down and up positions and tilt the bucket relative to the lift arms. A... | 02/08/1983 |
| 4364705 | Loader mechanism A linkage system for automatically maintaining the orientation of a bucket of a loader while the lift arms are moved between raised and lowered positions is disclosed. A pair of articulated links are added to the linkage producing the self-leveling functi... | 12/21/1982 |
| 4277213 | Self-feeding device for handicapped persons A self-feeding device for automatically lifting food from the eating surface of a plate to an eating position located above the plate. The plate is supported by a plurality of rollers which are capable of rotating the plate about a predetermined axis. A p... | 07/07/1981 |
| 4044903 | Specific linkage arrangement for bucket control A power shovel including a stiffleg, a dipper handle operatively connected to the stiffleg, a dipper having a forwardly disposed digging end pivotally connected to the dipper handle, the dipper being biased to pitch the forwardly disposed digging end ther... | 08/30/1977 |
| 3966066 | Hydraulic circuit A hydraulic circuit is disclosed in which a control valve is connected in parallel between a first and second moving circuits. The first and second moving circuits include interrupted series-type valves responsive to pilot input signals. The control valve... | 06/29/1976 |
