Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7360327 | Material moving pusher/bucket A pusher/bucket has back plate with wings pivotably mounted at either end, and a drop blade pivotably mounted thereto. The drop blade can be secured in a raised position where it is superimposed over the back plate; when in the raised position, the wings can be posi... | 04/22/2008 |
| 7241101 | Double action grab fork and method A double action grab fork is provided according to the invention. The double action grab fork includes an upper grab member, a lower grab member, and an arm. The upper grab member has an upper grab end and an upper grab body. The lower grab member has a lower grab e... | 07/10/2007 |
| 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 |
| 7096610 | Dipper assembly including a closure mechanism A dipper assembly includes a dipper, a dipper door, ands a closure mechanism. The dipper door is pivotally linked relative to the dipper, and has a closed position in which the dipper door closes the open bottom. The closure mechanism has a lock position and an unlo... | 08/29/2006 |
| 6591521 | Dipper door and dipper door assembly A dipper assembly includes a dipper having an open bottom and forward end, and a door pivotally linked to the dipper. The dipper bottom is defined by dipper wall bottom edges. The door has a bottom wall and side walls which extend above the bottom wall to... | 07/15/2003 |
| 6579058 | Side-dumping loader A side-dumping loader comprising a dump bucket, a cradle for supporting said bucket, a pintle serving as a point of attachment between said cradle and said dump bucket, a hydraulic assembly comprising a cylinder portion and rod portion, wherein said cylin... | 06/17/2003 |
| 6467202 | Dynamically active dipper door mechanism A dipper door pivotally mounted to a dipper is controlled as it pivots between open and closed positions. In one embodiment, the door is controlled by a brake pivotally linking the door to the dipper. In another embodiment, the door is pivotally mounted t... | 10/22/2002 |
| 6386822 | Side dump coupler assembly The present invention includes a coupler assembly connected between a standard bucket and a work machine. The coupler assembly converts the standard bucket to a side dump bucket. The conversion is possible through the use of a pivot assembly and actuating... | 05/14/2002 |
| 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 |
| 6301809 | Material handling system for powered digging apparatus An implement for use with a bucket mounted to a dipper boom of an earth working machine wherein the implement includes bars slidable mounting within guide elements mounted to the dipper boom such that the bars may be moved by gravity from a first position... | 10/16/2001 |
| 6272775 | Rear dumping dragline bucket and rigging system An excavator dragline bucket is supported by a hoist line from a dragline power unit, and pivots about the connection of the hoist line to the bucket. The bucket is designed to dump toward the rear, and has a gate that is latched in position during the lo... | 08/14/2001 |
| 6237257 | Clam bucket for use in pipeline padding A clam bucket of the present invention has a first and a second bucket halves, each bucket half includes a first and a second side wall, a bucket back wall, and a bucket connecting plate. Optionally, at least a portion of each of the two side walls may be... | 05/29/2001 |
| 6219946 | Power shovel with dipper door snubber and/or closure assembly Power shovels include a dipper door which must be held shut to retain a load of material within a dipper and which must be allowed to open to discharge the load of material from the dipper. Such dipper doors are extremely heavy and, as a result, the openi... | 04/24/2001 |
| 6108945 | Clam bucket for use in pipeline padding A clam bucket of the present invention has a first and a second bucket halves, each bucket half includes a first and a second side wall, a bucket back wall, and a bucket connecting plate. At least a portion of each of the two side walls is made of a side ... | 08/29/2000 |
| 5997237 | Clam shell bucket and method of operating A clam shell bucket is provided. The clam shell bucket includes a first frame rotatably connected to a second frame along a pivot point to provide rotation of the first and second frames between a pincer configuration and a scooping configuration. The fir... | 12/07/1999 |
| 5876178 | Heavy package transfer apparatus A materials handling apparatus that is securable to a materials handling vehicle so as to permit an operator to position an arm carrying a pusher element over a stack of large heavy packages and to bring the pusher element to bear on the top package on th... | 03/02/1999 |
| 5815958 | Excavator dipper latch assembly having removable tapered latch bar A latch assembly for an excavator dipper of the invention includes a latch bar slot having a first opening, a second opening and a side wall. An annular projection protrudes from the latch bar slot side wall and has an upper surface and a side surface. A ... | 10/06/1998 |
| 5815960 | Retarding mechanism for the dipper door of a mining shovel Disclosed is a digging implement such as a mining shovel dipper which has a body, a movable door mounted with respect to the body and a mechanism for retarding swinging movement of the door. The mechanism includes first and second housings and plural reta... | 10/06/1998 |
| 5810549 | Independent linear dual-blade robot and method for transferring wafers An independent dual-blade robot assembly is provided for use in semiconductor wafer processing. The robot assembly includes a rotatable stage located within a chamber, a linear track mounted on an upper surface of the rotatable stage, and article first an... | 09/22/1998 |
| 5613308 | Door brake A door brake assembly (20) to control the closing of a dipper door (11) on a shovel dipper (10) has a torsion bar (39) connected to the dipper door (11) by links (15, 32). A lever (48) on the other end of the torsion bar (39) selectively engages spaced sn... | 03/25/1997 |
| 5590482 | Excavator and earthen material excavator bucket apparatus An earthen material excavator includes, a) a base undercarriage comprising running gear to move the excavator over the ground; b) a slewing platform; c) a plurality of booms operatively connected to one another, one of the booms being operatively connecte... | 01/07/1997 |
| 5499463 | Power shovel with variable pitch braces A power shovel comprising a frame, a dipper handle mounted on the frame for pivotal movement relative thereto about a generally horizontal dipper handle axis such that the dipper handle has a variable pivotal position relative to the frame, a dipper conne... | 03/19/1996 |
| 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 |
| 5470191 | Multi purpose unloading arm What is disclosed is an articulated arm assembly which can be utilized in either a pneumatic or a mechanical fashion. The arm assembly comprises a base structure and an arm structure, with the arm structure being comprised of a frame and pneumatic tubing ... | 11/28/1995 |
| 5063694 | Lightweight excavator dipper with replaceable top and bottom sections An excavating dipper for use with power shovels, draglines and the like is fabricated from steel plate and is formed to have a separable bottom body member, which may be replaced when worn. The dipper is of lightweight steel plate construction fabricated ... | 11/12/1991 |
| 5004022 | Method and an arrangement for filling large sacks An arrangement for loading manageable material into containers or moulds with the aid of a mechanical shovel, and in particular to filling large sacks (10) intended for transporting or storing the matrial. The arrangement includes a mechanical shovel or s... | 04/02/1991 |
| 4978273 | Loader bucket control A control mechanism for operably controlling three functions of the loader mechanism on a tractor-loader is disclosed wherein a longitudinal, fore and aft movement of the control lever effects operation of one function, while a transverse movement of the ... | 12/18/1990 |
| 4939855 | Excavator dipper with lightweight replaceable section The payload capacity of an excavating dipper or bucket for a power shovel or dragline is increased by providing an upper bucket portion having support brackets and the strength to support the rated load of the dipper and a disposable lower portion having ... | 07/10/1990 |
| 4890400 | Bucket attachment for tractor blade An attachment adapted to cooperate with a snow blade or the like of a tractor to provide a dump bucket at the front end thereof is disclosed. The attachment enhances the materials moving capability of the tractor by enabling the tractor to pick up materia... | 01/02/1990 |
| 4702076 | Hydraulically operated clam-shell device The invention contemplates a hydraulically operated twin-cable suspension for a clamshell or the like load-handling device. In a preferred embodiment, a charged accumulator is effectively a counterweight and is the source of all hydraulic fluid needed for... | 10/27/1987 |
| 4686828 | Hydraulically operated clamshell device The invention contemplates a hydraulically operated twin-cable suspension for a clamshell or the like load-handling device. In a preferred embodiment, a charged accumulator is effectively a counterweight and is the source of all hydraulic fluid needed for... | 08/18/1987 |
| 4676425 | Steel tube working apparatus A steel tube working apparatus is composed of a clamping device consisting of a pair of clamps, a pair of projecting plates, means for actuating the clamps and the projecting plates, a pair of guide bars and a main body frame; a base plate having a pair o... | 06/30/1987 |
| 4633601 | Excavating shovel An excavating shovel having pivotally interconnected back and front sections and wherein the front section has a torque tube supported by bushing means on the back section and wherein the torque tube is equipped with radially extending moment arm means fo... | 01/06/1987 |
| 4566844 | Bucket for material In a loader bucket having a back member pivotable on a boom assembly which is pivotable on a tractor and a front member pivotable on the back member, power-operated means for effecting relative pivoting of the members have comprised two hydraulic piston-a... | 01/28/1986 |
| 4565485 | Mechanical grab and scoop combination The grab (3) for handling material has two grab members (4, 5) one or both or which have tines (6, 7), the grab members being relatively movable to open or close the grab so that cohesive or rigid material can be grasped between the tines (6, 7). Addition... | 01/21/1986 |
| 4517756 | Snubber for dipper door A snubber for use with a dipper to retard movement of the dipper door toward and away from an opening formed in the dipper. The snubber includes an elastic member and an actuator link. When the door is at a first angle with respect to the dipper, the elas... | 05/21/1985 |
| 4518306 | Device in a bucket-provided loading machine particularly a so-called wheel loader Improvement in a bucket-equipped loading machine, particularly a so-called wheel loader, having at one end of the machine a loading bucket which is supported for raising and lowering movements by a pair of lift arms, journalled in the machine, and which i... | 05/21/1985 |
| 4497608 | Monument foundation digger A digger for digging out substantially vertically-sided holes e.g. for gravestone monument foundations, is in the form of an attachment adapted to be connected on the dipper stick of a backhoe machine. The attachment has a downwardly-depending digger fram... | 02/05/1985 |
| 4493605 | Material handling apparatus for loaders A clamshell-type loader bucket has a pair of jaws with meeting edges that close together on one side of the bucket and on the bottom of the bucket to retain fine material such as sand, dirt or dry grain. The meeting edges on the bottom of the bucket are a... | 01/15/1985 |
| 4392774 | Clam bucket attachment A clam bucket attachment designed to cooperate with the crowd and the bucket curl or crowd hydraulic cylinder of a conventional backhoe, which attachment includes a bucket support pivotally and rotatably carried by the backhoe crowd and having a cable whi... | 07/12/1983 |
