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3971485 |
Forklift attachment
An attachment for a conventional forklift for enabling the lifting and pivoting of elongated containers such as barrels is disclosed, including a base frame means having connection means for...
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3971585 |
Load engaging and gripping apparatus
Load engaging and gripping apparatus for attachment to the lifting mechanism of a conventional lift truck for handling loads which are crushable and yet may be compressed slightly without damage...
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3971584 |
Automatic load compensating clamp truck jaws
Load engaging and gripping apparatus for attachment to the lifting mechanism of a conventional lift truck for handling loads which are crushable and yet may be compressed slightly without damage...
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3970342 |
Tire servicing apparatus
Tire servicing apparatus including a tire gripping tool base adapted to be mounted on a vehicle, a crane boom or the like. The base movably mounts a pair of opposed tire gripping members which may...
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3967946 |
Mold holder arms for glassware forming machine and method of operating the same
A pair of horizontal arms, pivotally supported on a common vertical axis at one end, is provided to hold the separable halves of a plurality of parison molds or a plurality of final shaping (blow)...
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3966249 |
Rotator
A rotator of the kind intended to be positioned between a crane hoisting boom and a lifting tool suspended in said boom and provided with hydraulic tool actuating means. The rotator is mounted on a...
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3963271 |
Finger mechanisms of industrial robots
In a finger mechanism of an industrial robot of the type comprising a plurality of fingers for clamping an article to be manipulated and mounting bars for connecting the fingers to a source of...
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3952384 |
Pipe jacks
The invention provides a pipe jack for pulling a pipe lengthwise through the ground without the necessity of excavating the ground to create a trench first, the jack including a number of hydraulic...
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3949860 |
Apparatus for removing articles from a molding machine and depositing them on a conveyor
In apparatus for removing articles from a vertical, wheel-type blow molding machine where the mold sections move parallel to the wheel axis, the improvements which include a vertically oriented,...
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3950022 |
Power hay fork
A hydraulic hay fork for grappling hay comprising an hydraulic cylinder with a vertically moving depending shaft to which radially extending clawlike teeth are pivotally attached, and holding...
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3945676 |
Gripping device
A gripping device for use in an industrial robot or manipulator including a pair of clamp arms mounted on a base plate of the device and connected with a clamp arm operating rod through a pair of...
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3944274 |
Bale handling device
A bale handling device, more particularly a bale pick-up device, includes a plurality of squared C-shaped hooks which are individually pivotally mounted between pairs of elongate support members...
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3941413 |
Quick release latch for reactor scram
A simple, reliable, and fast-acting means for releasing a control element and allowing it to be inserted rapidly into the core region of a nuclear reactor for scram purposes. A latch mechanism...
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3938846 |
Automatic loader for broaching machines
An automatic loader for depositing parts in work holders mounted on a movable support for movement continuously and in succession relative to a station at which operations are to be performed on...
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3938845 |
Gripping device of a lifting device, especially in a core reactor for depositing and picking up of fuel elements and control rods
A device for the placement of rod shaped fuel elements and control bars especially in a nuclear reactor, in which a gripper body is adapted for being connected to gripper tools and which gripper...
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3937513 |
Dual-purpose remote-control grab for fuel elements and control rods of a nuclear reactor
An apparatus for inserting and removing both control rods and fuel elements from holes in a nuclear reactor has a vertically and horizontally displaceable support pivotally carrying a head which...
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3937514 |
Guide head for pipe rackers
A pipe guide head for well pipe racking apparatus has plural slides defining different sizes of pipe receiving guide openings, extensible from retracted positions within the body to extended...
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3937515 |
Head for pipe rackers
A head for use in a well pipe racking system has a support plate for drill collars and a slide shiftable to and from positions for supporting drill pipe. A retaining lever is pivoted for movement...
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3936089 |
Gripping device for a lifting mechanism, especially in a core reactor for depositing and picking up fuel elements and control rods
A gripping device, especially for use for depositing and withdrawing fuel elements and control rods in a nuclear reactor, in which the gripping device has an upper body part connected to a hoisting...
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3933389 |
Grapple structure
The upper ends of a pair of grapple tongs are joined through means of a pair of cross link assemblies and an extensible and retractable hydraulic actuator. A pair of suspension link assemblies...
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3929368 |
Drum lifters
A drum-lifter to enable a fork-lift truck or the like to lift drums of thermoplastics material and having barrelled lower portions. A drum-lifter has two relatively moveable parts, namely a first,...
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3929366 |
Cotton loader
An attachment is provided for a fork lift, or other type of industrial lift truck, for loading cotton from an elongated cotton rick into a trailer, or the like, for transportation to a cotton gin....
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3927909 |
Apparatus for transporting and adjusting rotative workpieces
This apparatus for transporting and adjusting the position of a rotatable longitudinal, flexible workpiece such as a transmission shaft or the like, includes a pair of gripping means positioned to...
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RE28663 |
Fluid motor and material handling apparatus and the like utilizing same
Fluid motor comprising a longitudinally extensive first part adapted for bending at least transversely of its longitudinal extent attached to a second co-extending part which is elongatable...
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3921730 |
Earth working and work support machine
Handling and digging apparatus comprises a chassis, a jib pivotally mounted on the chassis and an arm pivotally connected at one end to the jib, a digging tool and a handling tool being permanently...
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3920137 |
Excavating machine with clamshell bucket
The application discloses a backhoe dipper stick and clamshell bucket combination. A bucket support is pivoted to the dipper stick and a cylinder is connected to the dipper stick to swing the...
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3914886 |
Clamshell bucket assembly and valve means associated therewith
A bucket assembly has a bucket which is openable and closable by means of fluid pressure applied to one and the other end of a cylinder. The assembly includes a joint which allows free rotation of...
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3908695 |
Hydraulic rotator mechanism
The invention is a hydraulic rotator mechanism for use on material handling or other hydraulic equipment wherein a hydraulically operated implement is rotatable with respect to a support member....
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3905635 |
Material grasping clamp assembly
A clamp assembly for material handling vehicles includes a hydraulic system which provides a first pressure for moving the clamp assembly before material is grasped between the clamp members of the...
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3905632 |
Pallet head loader
A gripping head of the type designed to be attached to the free end of a lifting boom structure and configured to grip, position, empty and release containers wherein the head comprises a pair of...
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3904232 |
Grapple arrangement for vehicle
A grapple arrangement for mounting on a vehicle includes a generally U-shaped frame means for positioning on the rear axle of a vehicle with boom means pivotally mounted on the frame means. The...
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3902750 |
Device for gripping pieces of cloth fabric or the like
A device for gripping a piece of cloth or fabric particularly the top piece of cloth of a pile of pieces of cloth or the like flexible material in sheets, characterised in that it comprises a...
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3902614 |
Jack-actuated crane tongs
The legs of tongs are pivotally mounted between plates supported both to rotate about a vertical axis for turning the tongs, and to swing about a horizontal axis relative to a crane boom to enable...
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3901547 |
Multiple prehension mechanism
A multiple prehension mechanism including a base; a plurality of finger assemblies mounted on the base; finger drive means for selectively opening and closing the fingers so that each finger moves...
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3897099 |
Tong apparatus operated oleopneumatically for lifting a submerged pipeline
Tong apparatus operated oleopneumatically for lifting a submerged pipeline either directly by a frogman or by an operator on a pontoon or vessel. The apparatus includes a pair of jaws controlled by...
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3881761 |
Automatic mechanical tongs with open and closed stable positions
Mechanical automatic bistable tongs with a view to the manipulation of cylindrical objects with a very elongated shape, such as tubes, pipes, rods, etc., permitting the pickup of these pieces at a...
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3881263 |
Angular position controller for clam-shell bucket
A clam-shell bucket comprises two jaws which are opened and closed by means of a fluid-actuated ram. The angular position of the jaws is controlled by means of a motor which is coupled to the jaws...
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3878769 |
Load clamping mechanism with limited play in arms
Load clamping mechanism including opposed clamping arm structures adapted to be brought together to clamp onto a load. Means for actuating a clamping arm structure comprising a fluid-powered ram...
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3877743 |
Fluid operated grapple
This disclosure pertains to novel improvements in the structure of fluid operated grapples. A grapple assembly comprises a pair of jaws pivotally interconnected to a swivel head and a pair of fluid...
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3876093 |
Bale handler
A group of bales which may comprise one layer in a stack can be handled simultaneously by means of a panel of claws, preferably carried at the end of a boom of a reaching-loader vehicle. The panel...
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3870446 |
CLAMPING JAWS WITH OFFSET TINES FOR ALIGNMENT AND TRANSFER OF PARISONS
A parison transfer device comprises a pair of opposed clamping jaws with offset tines disposed so as to extrude polymer laterally between said tines to form a flange at right angles to the axis of...
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3865424 |
Hydraulically operable tongs for charging a workpiece to be forged
A jaw carrier is pivoted on a horizontal pivot. Jaw means are mounted on said jaw carrier and adapted to be closed to grip a workpiece and adapted to be opened to release said workpiece. A...
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3854609 |
BOOM SUPPORTED MATERIAL HANDLING FORK
A boom having pivotally interconnected inner and outer sections is mounted on the three-point hitch of a tractor. A pair of vertically adjustable support legs are connected to the cross arm of the...
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3854766 |
LOG GRAPPLE DEVICE
A system for automatically holding and/or restoring pressure to log grapple tongs despite shifting of the logs in the tongs.
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3853699 |
NUCLEAR REACTOR HAVING CONTROL-ROD RETAINING MEANS
A nuclear reactor has control rods which may be operated between control positions and retracted positions by linearly-movable elements or drive means. In the retracted position, a control rod or a...
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3850469 |
APPARATUS FOR DELIMBING AND LOADING FULL-LENGTH TREES
A debrancher and forwarder is described wherein a sliding boom debranching apparatus with clamping devices at the end of the boom are provided at the end of a loading crane. A vehicle can also be...
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3850286 |
SEED SELECTOR
A seed selector comprising a vertical cylinder blocked at both its upper and lower ends with a central opening on its lower end which flares outwardly in the downward direction. A piston in the...
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3845979 |
CHARGING DEVICE
A device for handling tire carcasses, especially for handling the carcass in connection with a tire press in which a generally horizontal frame has circumferentially spaced fingers moveably...
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3829130 |
TRAILER HITCH
A trailer hitch including a remotely actuated grapple which is intended to grippingly engage the tongue structure of a trailer conveniently along the length thereof. The grapple is pivotally...
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3817510 |
CAM WEDGE SWIVEL GRIPPER HEAD
A cam wedge work piece gripper head has a body receiving a power reciprocated plunger and pivotally mounted on the body opposed pairs of normally spaced apart work piece gripping arms. Opposed...
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