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| Number | Title | Issue Date |
| 7353652 | Hydraulically operated loading apparatus with dual three-function joystick controls A control apparatus is provided for operating six hydraulic valves from two different positions. The control apparatus is particularly suitable for operating the hydraulic controls of a six function trash loader. First and second three-function joysticks are mounted... | 04/08/2008 |
| 7350322 | Dewatering system apparatus and method for dredging buckets A dewatering apparatus for removing water from the interior volume of a closed, loaded clamshell dredging bucket. The dewatering system comprises at least one conduit adapted for support from a clamshell type dredging bucket. The conduit has a first end adapted for ... | 04/01/2008 |
| 7212375 | Automated storage library gripper apparatus and method A mechanical gripper mechanism for transporting and handling storage devices is provided. In one example, the gripper mechanism includes a pair of opposing gripper fingers rotatably mounted to the picker frame, each having a distal end adapted to engage opposite min... | 05/01/2007 |
| 7207610 | Clam for wood handling equipment A wood handling clam having a pair of hollow curved jaws constructed of side walls and inside and outside covers welded thereto. A hollow carrier housing on which the jaws are pivoted at their upper ends has a downwardly extending center portion received into a slot... | 04/24/2007 |
| 7207127 | Hook-on grab bucket, in particular motor-driven underwater grab bucket A grab bucket, in particular motor-driven underwater grab bucket, has first and second half-scoops. The scoops can be moved relative to on another from an open position into a closed position by a hydraulic cylinder. The opening angle of the half-scoops is monitored... | 04/24/2007 |
| 7195296 | Portable remote hydraulic activator An apparatus that remotely actuates a hydraulic motor of a hydraulic device including a mounting device supported by the hydraulic device; a hydraulic pump located on the mounting device for supplying pressurized fluid to the hydraulic motor; a driving device locate... | 03/27/2007 |
| 6896306 | Actuator mechanism for a two-bucket grab device Actuator mechanism for a two-bucket grab device and having two grab arms arranged to move as pincers with respect to one another, has two hydraulic pivot motors with journals of the respective pivot shafts projecting from the motor housing and supporting the grab ar... | 05/24/2005 |
| 6823616 | Method of excavating A method of excavating a surface layer of soil is disclosed that uses an excavator with a grab having two bucket halves with cutting edge. In a first excavating position, the grab is held in a first orientation as seen in projection on a horizontal plane and inserte... | 11/30/2004 |
| 6643957 | Unit for the collection, cleaning and calibration of electrolysis pots used for aluminium production A unit for the collection, cleaning and calibration of electrolysis pots and, in particular, of anodic orifices thereof, as the anodes of an installation for the production of aluminum by igneous electrolysis are replaced, includes two buckets hinge-mount... | 11/11/2003 |
| 6347464 | Self-cleaning hydraulic clam bucket A clam bucket of a type designed to attach by way of a pin (20) through vertical lugs (92) to the stick of an excavator making the attachment process fairly simple. These vertical lugs (92) are part of the rotational housing (32) assembly which, in conjun... | 02/19/2002 |
| 6179357 | Automatically-actuated cargo and personnel scooping apparatus with pivoted extensions, magnets and buckets This apparatus is a tongs-like, load-lifting device for automatically loading and unloading objects and liquids, comprising two elongated numbers pivoted at a selected distance from the apparatus' top with a main pivot pin. Its lower portions are essentia... | 01/30/2001 |
| 5984394 | Power bucket A power bucket is disclosed having a first and second bucket half, each forming a scoop. The bucket halves are pivotally secured together along their top so that the bucket halves are movable between an open position and a closed position. A pair of beari... | 11/16/1999 |
| 5919027 | Clamshell basket loader A loading device mounted to a collection vehicle is disclosed. The loading device may comprise several embodiments for scooping a soft-sided object through either a horizontal or vertical plane. The loading device is attached to a mechanized arm for compo... | 07/06/1999 |
| 5842427 | Apparatus for mounting on a tractor or other vehicle and providing opposed movement to digging or lifting implements Apparatus suitable for mounting on a tractor, and capable of providing opposed movement to a pair of cooperating implements suitable for digging or lifting. The apparatus has a frame with an upper central region and two laterally spaced lower regions, and... | 12/01/1998 |
| 5649729 | Single line grab system A single line grab system including a grab suspended by a single line from a carrier. A head assembly is connected to the grab from above the grab and is vertically movable with respect thereto. A first end of the line is anchored and second end of the li... | 07/22/1997 |
| 5622468 | Disposal facility for loading objects into a container A disposal facility for loading objects stored in a bin into a container. The facility includes a plurality of subassemblies, each having a bin and a container. A movable gantry is disposed for movement over each of the subassemblies. A movable gripping a... | 04/22/1997 |
| 5553405 | Power-assisted shovel truck equipped with a water-feeding device and a water-draining device A power-assisted shovel truck is provided including a swiveling truck and a rotary bucket attached to the truck by a movable arm. A water feed pump and a water feed tank are provided on the truck for pumping water towards the rotary bucket. A conduit comm... | 09/10/1996 |
| 5553404 | Power bucket A bucket for power shovels is disclosed having a first bucket half and a second bucket half. Each bucket half includes a pair of spaced side walls and an end wall extending between the side walls which together forms a scoop for each bucket half. The buck... | 09/10/1996 |
| 5540005 | Contaminated marine sediments dredging apparatus A marine dredging device comprised of scoop buckets hinge-connected to a soil receiver chamber with deployable silt curtains. The silt curtains are deployed to close off the aperture between the scoop buckets and prevent the extrusion of soil. Introductio... | 07/30/1996 |
| 5533769 | Reorienting apparatus for a clamshell bucket A method and apparatus for effecting 90-degree reorientation of a suspended clamshell bucket used for bulk material handling which is accomplished by switching only the attachment points of the bucket hold ropes to the clamshell bucket headblock.... | 07/09/1996 |
| 5501024 | Power bucket A bucket for power shovels is disclosed having a first bucket half and a second bucket half. Each bucket half includes a pair of spaced sidewalls and an endwall extending between the sidewalls which forms a scoop. The bucket halves are pivotly secured tog... | 03/26/1996 |
| 5473828 | Structure of a clamshell bucket and a hydraulic control circuit To excavate sticky soil such as clayey soil, left and right buckets of a clamshell bucket are slightly inclined, thereby reducing the force to pull the buckets from a hole. The clamshell bucket includes left and right buckets which are closable, thereby h... | 12/12/1995 |
| 5472249 | Excavator grapple scoop attachment The present invention is directed at a device attachable to a grapple having tined jaws for scooping debris. The device comprises a first and second plate each having a front, a back, a rear edge, a leading edge, and two side edges. The device further com... | 12/05/1995 |
| 5443294 | Single-line clamshell bucket A single-line clamshell bucket is provided comprising an upper sheave housing and an upper sheave assembly connected to the upper sheave housing. The bucket also comprises a lower sheave assembly vertically aligned beneath the upper sheave assembly in a m... | 08/22/1995 |
| 5348361 | Tree mover This invention relates to a tree mover for relocating small trees. The tree mover is designed to dig a hole to receive a tree having a root ball, dig up a tree and deposit a tree in a hole. The tree mover comprises loader buckets having concave inner surf... | 09/20/1994 |
| 5297831 | Pincer grab A pincer grab is provided having a frame, two jaws pivotally mounted to the frame which can come together and form a grab, a hydraulic drive cylinder, and transmission between the drive unit and the jaws. The hydraulic cylinder is coupled at both ends usi... | 03/29/1994 |
| 5257887 | Collection container and method A collection container adapted to be lifted and emptied with a grasping device. The container forms an enclosure with two sections each having a projection and being pivotally connected to each other. The sections are held together with a spring. The cont... | 11/02/1993 |
| 5238332 | Device for handling of bulk material A device for handling bulk material, especially in marine transportation, comprises a pressure vessel having at least two members for mechanically enclosing a volume of the bulk material to be conveyed. The pressure vessel is equipped with pressure fluid ... | 08/24/1993 |
| 5228735 | Hydraulically operated clam bucket with improved force transferring arrangement A hydraulically operated clamshell bucket including left and right bucket halves pivotally supported by a bucket carrier. The bucket halves are opened and closed by the operation of a hydraulic cylinder in cooperation with a compensation link. The clamshe... | 07/20/1993 |
| 5217274 | Tree mover This invention relates to a tree mover for relocating small trees. The tree mover is designed to dig a hole to receive a tree, dig up a tree and deposit the tree in the hole. The tree mover includes a supporting frame for attachment to a tractor, shafts p... | 06/08/1993 |
| 5209535 | Power bucket A power bucket for loading and unloading cargo. The bucket includes a first and second bucket half wherein each bucket half has a top, a closed bottom, an open inside end and a pair of spaced apart sidewalls. The buckets are pivotally secured together at ... | 05/11/1993 |
| 5199194 | Sea bottom sampler The invention relates to an apparatus, suitable for deployment from small vessels, for obtaining samples of materials from the sea bottom and, more specifically, to a multi-bucket sampler particularly suited for, but not restricted to, gathering samples f... | 04/06/1993 |
| 5193873 | Sugar cane grab A grab for a sugar can loader suspended from the boom of a tractor having an improved fastening system formed of two mechanical arms that automatically elevate the grab during its closing movement, so that the tips of the grab's tines trace a path paralle... | 03/16/1993 |
| 5029923 | Power bucket A bucket for a power shovel is disclosed which includes a first and second bucket half. Each bucket half includes a pair of elongated pivot arms having a scoop secured to one end of the pivot arm. The scoop includes spaced apart front and back walls, a bo... | 07/09/1991 |
| 5024397 | Clamshell attachment for log grapple A clamshell attachment for a crescent shaped, concave-convex log grapple converts the log grapple to a scoop or bucket type device for handling bulk material such as wood chips. It consists of a pair of concave-convex scoops pivoted together at their uppe... | 06/18/1991 |
| 4998762 | Power bucket A power shovel is disclosed for loading and unloading cargo. The bucket includes a first bucket half and a second bucket half wherein each bucket half has a top, a closed bottom, a front wall and a back wall which are spaced apart from each other, a close... | 03/12/1991 |
| 4908966 | Benthic dredge construction A benthic dredge has a hollow body provided with closures at its upper and lower ends which are movable between open and closed positions. The closure at the lower end of the body is in the form of clamshell jaws which are pivotable about an axis located ... | 03/20/1990 |
| 4907356 | Slipper bucket for grapple The present scooper of slipper bucket is attachable to an upper jaw of a grapple connected to the boom structure of a hydraulic excavator. The scooper bucket includes a bucket like rigid enclosure forming a tine receiving opening for receiving a tined jaw... | 03/13/1990 |
| 4832390 | Clamshell loader bucket with broom brushes A clamshell type loader bucket has a pair of pivotal jaws with scraping edges on the bottom of the bucket for scraping material off a supporting surface. Behind the scraping edges are brushes to sweep loose material on the supporting surface into position... | 05/23/1989 |
| 4826109 | Helicopter supported material transfer assembly A material handling assembly primarily in the form of a clamshell structure being hyraulically activated and used in combination with a helicopter for the support of the clamshell structure and its operation thereof between a closed and an open position. ... | 05/02/1989 |
