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4502723 |
Oil hydraulic circuit for gripping device
A gripping device includes a plurality of articulate gripping fingers coupled to a support structure turnable with respect to a neck structure. The articulate fingers respectively have first and...
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4496182 |
Gripper system for load transport
A load pick up system is provided or picking up for, respectively, delivering and storing of formed articles such as profile girders at low time consumption and at minimal use of the storage space...
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4492400 |
Robotic gripper operator mechanism
A robotic gripper is illustrated having improved operator mechanism facilitating the use of multiple fingers or jaws for picking up objects of various shapes including round objects. The operator...
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4484775 |
Adjustable smooth action linkage gripper mechanism
A rotatable lever and an initially transversely disposed adjustable linkage echanism for attachment in predetermined relation to at least one movable work-performing arm and operable such that upon...
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4484855 |
Double-hand unit
A double-hand unit adapted to be secured to the wrist part of an industrial robot and to be used for gripping shaft works or the like is disclosed. The double-hand unit comprises two hand units (2,...
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4479673 |
Hand of an industrial robot
A hand (34) of an industrial robot for gripping a workpiece (14) and the like comprising: a hand base plate member (36) connected to a wrist portion (32); a plurality of pairs of opening and...
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4475607 |
Clamp and insert for clamping drilling tubulars
A clamp for drilling tubulars such as drill pipes includes a jaw which defines a cylindrical recess. A cylindrical insert is rotatably mounted within the recess. This insert defines a cylindrically...
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4474399 |
Tire gripper
A first stage green tire handling device employing radially directed air springs mounted within a support frame in order to grasp the highly flexible cylindrically shaped first stage green tire....
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4473249 |
Extensible manipulator unit
A pair of clamping jaws for gripping a work piece are coupled by a link mechanism to a fluid operated piston and cylinder assembly which opens and closes the jaws. The jaws and cylinder are mounted...
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4473147 |
Article transfer device
A device for the transfer of articles to be machined from one work station to the next one, said device consisting of a reciprocable carriage, at least one gripping unit, which is mounted at a...
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4472348 |
Operating devices for control rods in a nuclear reactor
A device for providing translatory movement of the control rods inside the closed vessel of a nuclear reactor. The rotor of the drive motor for a screw/nut assembly has fixed to it two pivoting...
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4461505 |
Suspended load rotating lifter
The invention comprises a load-supporting beam provided with plates at each end which are pivotally mounted to pendants at each end, to which pendants are attached the suspending cables. Each...
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4456293 |
Article gripping apparatus
The gripping apparatus described comprises a four-bar linkage arrangement for so controlling movement of the two pairs of parallel beams and fingers operatively connected thereto as to cause the...
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4452479 |
Gripping device with interdigitating, articulate fingers
A grip attachment to an implement arm of construction or industrial equipment via a swivel coupling comprises three interdigitating, articulate fingers, two pivotable about a first axis and the...
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4451194 |
Integral heel tree length grapple
There is provided a grapple for lifting and maneuvring elongated items, which includes a main frame and a sub-frame, the two frames being pivotally mounted with respect to each other about a...
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4449745 |
Toggle action jaw-type gripper
A toggle action jaw-type gripper guidably mounts between the side walls of its body a power reciprocated clevis. A pair of opposed L-shaped jaw spacers at their one ends are pivotally connected...
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4448405 |
Versatile gripping device
Objects of different sizes and shapes are gripped in a monostable manner by an apparatus which has a single pneumatic power source and has interchangeable jaw assemblies attached to an operating...
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4445719 |
Release mechanism for a cylindrical object recovery device
A release mechanism is provided for a structural member, such as a cylindal object recovery device, wherein the structural member has top and bottom sides. The release mechanism includes a block...
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4444425 |
Cylindrical object recovery device
A grabber type cylindrical object recovery apparatus is provided wherein grabber has a U-shaped frame which is curved substantially 180°. A pair of curved pads are provided wherein each pad is...
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4444536 |
High speed well working apparatus
Disclosed is a rig for working on wells, and including a pair of continuous chains for moving a pair of pipe holders along a mast. Each of the two pipe holders is fixed to a point in each chain....
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4441749 |
Elevator for casing
An elevator for casing pullers with elevator links adapted for motorized opening and for the lateral approach to a casing which is to be pulled. One of the elevator links is constructed as a hook,...
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4441852 |
Parts handling machine
A gripping mechanism having jaws for picking up and releasing parts is carried on an outwardly and inwardly swinging parallel linkage which, in turn, is mounted on an upwardly and downwardly...
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4439092 |
Apparatus for unloading workpiece from press
An apparatus for unloading a workpiece from a pressing machine includes a power cylinder mounted on the pressing machine and having a horizontally movable piston rod. An operating rod is mounted on...
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4439090 |
Workpiece handling apparatus
A workpiece handling apparatus includes a workpiece gripper having gripping elements and capable of both internal and external gripping functions rotatably attached to a support arm of a...
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4435119 |
Lift truck load clamp having power-actuated pivotal subframe for handling paper rolls
A lift truck rotatable paper roll handling clamp of the pivoted arm type for clamping paper rolls of varying diameters and shifting the position of the roll relative to the lift truck between a...
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4432578 |
Closed pressure actuated system for placement bucket
A placement bucket for placing material such as concrete in forms by manipulation of clam shell gates in response to action of a power cylinder makes use of a hydraulic fluid system which prevents...
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4431365 |
Pressure control mechanism for a grapple skidder
A pressure control mechanism for the hydraulic control system of a log skidder. Hydraulic circuits for the boom and the grapple of a log skidder are interconnected to provide a pressure control...
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4426110 |
Continuous rotation hydraulic grapple
An upper head connector for support from a crane boom is provided and has a depending head journaled therefrom for reversible continuous rotation relative thereto about an upstanding axis. A...
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4421451 |
Workpiece gripping mechanism for industrial robots
A workpiece gripping mechanism for an industrial robot is described. A support member having a first jaw member mounted on it for pivotal movement about a first axis is provided. The support...
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4416480 |
Pneumatic release for load hook
The lifting of a load moves a piston to pump a charge of air into a small compressed air reservoir above a load hook. A remote control radio signal opens a valve to transmit the air pressure to the...
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4405168 |
Clamping assembly for lifting heavy objects having a bulbous engagement portion
The clamping assembly includes a pair of clamping arms extending outwardly from a clamp base portion. Each arm includes a cutaway portion to receive the bulbous engagement portion of the article to...
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4403897 |
Self-centering clamp for down-hole tubulars
A self-centering clamp for drilling tubulars includes first and second transverse guide rods. Two opposed clamping jaws are guided along the first guide rod. These jaws are positioned by two...
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4402133 |
Contact puller
A hand tool for inserting a contact or pin into electrical components which tool subsequently resets itself for inserting another contact. Such tool transfers manual mechanical energy to hydraulic...
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4401422 |
Chuck assembly in a loader of a tire vulcanizer for conveying and inserting green tires
A chuck assembly for use in a loader of a tire vulcanizer including a ring-shaped chuck main casing having an inner cylinder of a bore long enough to allow entry of a press center mechanism...
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4401407 |
Grasping apparatus and collection vehicle
A grasping arm subassembly article has an inner arm pivoted to a frame with an outer arm pivoted between its ends to the inner arm. The outer arm is pivotally moved graspingly in response to...
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4398761 |
Device for lifting and tilting concrete panels
A device for both lifting and dumping of core material from long hollow core concrete panels. The device utilizes a pair of retractable clamp members to engage the longitudinal groove in the side...
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4397605 |
Mechanized stand handling apparatus for drilling rigs
Apparatus for the handling of drill collar and pipe stands and comprised of a hydraulically mechanized "Derrickman" and "Derrick Floor Hand" and associated fingerboard lock bars and all of which...
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4397495 |
Automatic grip control circuit for a grapple mechanism
An automatic grip control circuit for a grapple mechanism providing a first pilot circuit to actuate a main hydraulic valve which operates the grapple cylinder and a second pilot circuit to actuate...
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4396215 |
Log grapple device
A hydraulic system (10) for a log grapple device (12), including an unloader valve (20) and an accumulator (22) located downstream of a control valve (18) which determines the direction of fluid...
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4383795 |
Bag transfer apparatus
Apparatus for simultaneously pinching a plurality of elongated bags disposed in parallel, side by side relation with one another and transferring the bags. The apparatus includes a gripper...
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4383789 |
Article automatic storage and retrieval apparatus
A commodity retrieval and storage apparatus which includes shelves for storing a plurality of like configured commodities. A movable carriage is vertically and horizontally displaceable along the...
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4382624 |
Grapple pivot snubber
A grapple assembly includes a grapple suspended from an outer end of the grapple boom by means including a double clevis permitting the grapple to swing about a pair of crosswise disposed pivot...
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4381872 |
Remote controlled clamshell bucket apparatus and method of using same
The disclosed invention relates to a single hoist line operated clamshell bucket apparatus and method of use. The bucket apparatus is loaded in the usual manner at a first location for transporting...
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4381169 |
Manipulator
A support carriage of a manipulator carries an outrigger arm on which is mounted a grab assembly. Upper and lower jaws pivotal on the assembly about respective superposed upper and lower parallel...
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4379674 |
Load skidding vehicle having a positionally biased grapple
A load skidding vehicle (10) utilizing a grapple assembly (28) for grasping loads. The grapple assembly (28) is pivotally connected to a boom (24) which extends rearwardly from and is connected to...
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4368913 |
Industrial robot having a gripping device
An industrial robot gripping device for gripping workpieces which have opposite contoured faces comprise gripping jaws which are contained by a parallel linkage which have faces which engage on the...
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4367891 |
Industrial robot with a gripping mechanism
An industrial robot for gripping workpieces of diverse shape comprises at least one finger preferably two arranged for pivotal movement on respective sides of the workpiece. Each finger has at...
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4365928 |
Fluid power connector system for manipulator
A manipulator has an end effector with a tool end movable with respect to a reference base by means of a multi-axis joint system. The joint system is contained within a housing to provide the...
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4360302 |
Hydraulic hose slack adjustor apparatus
A bale handling apparatus includes a pickup arm adjustably mounted for picking up various size bales. Hydraulic hoses are connected to a cylinder on the arm. A slack adjustor is movable on the...
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4358147 |
Mounting and actuating apparatus for tongs
A mounting and actuating apparatus for the tongs of a grapple wherein a pair of pulleys carrying the tongs are interconnected by cable means extending between the pulleys in generally figure eight...
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