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Class 414/734 - Grab suspended to swing freely


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein the grab is secured to the supporting
No. of patents: 32
Last issue date: 02/12/2008


NumberTitleIssue Date
7329161Amphibious recreation vehicle
An amphibious passenger vehicle having several open or covered holes and a surrounding cover to accommodate fishing and hunting. An aft mounted engine, forward/reverse transmission, drive linkage and disk/caliper brake assembly controls a pair of rear wheels. Electr...
02/12/2008
5620298Skidding grapple
A skidding grapple to move a load such as a tow of logs, over a terrain that is particularly difficult to traverse. A grapple assembly to engage the load has offset grapple arms that bypass one another when closing to encompass the load. A choke line is c...
04/15/1997
5437531Vehicle for reaching, lifting, retracting, stacking and carrying loads
A vehicle for reaching, lifting, retracting, stacking and carrying loads. The vehicle includes a load carrying portion disposed behind the front axle of the vehicle for receiving and transporting loads, so that the vehicle is able to transport loads witho...
08/01/1995
5426586Robot drive joint control system
A system for controlling the locomotion of a biped walking robot by absorbing the footfall impact such that the robot walks stably. In advance, constraint conditions for the robot such as a coordinates position of the robot's center of gravity for the rob...
06/20/1995
5405238Three point log skidder
The present invention provides a grapple tongs device for mounting to the three-point hitch of the type found on agricultural tractors. The apparatus of this invention comprises a three-point hitch mounting, a grapple boom extending from the hitch mountin...
04/11/1995
5308221Method and apparatus for controlling a robot having a floating hand
A robot system for taking out workpieces from a box using a robot having a floating hand and a workpiece recognition apparatus. The workpiece recognition apparatus detects the position and inclination of a selected workpiece, and calculates a target posit...
05/03/1994
5183366Rod handler apparatus
An extendable boom assembly is mounted on a platform or a base for longitudinally pivotally moving a drill rod between a rod rack and a drill rig in a position in alignment with the drill string axis regardless of whether the drilling direction is vertica...
02/02/1993
5061150Single-handed skidding apparatus for logs and the like
An apparatus for single-handed operation in skidding logs, stumps, poles and the like. An A-frame with rearwardly-extending beam is attached to the three-point hitch of a tractor. A fluid-operated grapple, which will inherently adjust to various shapes an...
10/29/1991
4951886Concrete crusher
A concrete crusher of the type comprising a rotatably mounted frame carrying both the crusher forming members and the shearing members, and wherein said shearing members are formed by at least one fixed arm and one of the arms of the crusher, the latter a...
08/28/1990
4943198Apparatus for separating laundry articles
This apparatus for separating wet laundry articles (e.g., bed sheets) has an air cylinder-operated entry clamp which picks up a pile of such articles outside the entry end of the apparatus and lifts them into the apparatus, an entry conveyor which helps m...
07/24/1990
4838493Concrete crusher
An attachment for the boom structure and hydraulic system of a hydraulic excavator, including a pair of relatively swingable jaws for crushing concrete slabs and the like, each of the jaws having a grid like jaw structure with elongate rigid plates extend...
06/13/1989
4806067Unit, attachable to a loader
An assembly capable of being fitted to a loader which is provided with an attachment device intended, for example, for co-operation with respective one ends of two lifting arms whose respective other ends are intended to support suitable load-handling dev...
02/21/1989
4749324Apparatus for lifting and positioning construction material
There is provided an apparatus for lifting and positioning construction material such as building logs. The apparatus includes a frame having a pair of interconnected parallel beams. A pair of large fixed axis wheels are attached to one end of the frame w...
06/07/1988
4735539Apparatus for handling sheets or the like
The invention relates to an apparatus for handling sheets or the like. The apparatus comprises a bridge structure displacable on rails, an upper carriage displaceable on the bridge structure in a direction perpendicular to the rails, vertical beams attach...
04/05/1988
4717191Swivel head for grapple
A swivel head for a skidding grapple incorporating a unitary body having a plate-like middle portion with a plurality of spaced apart upstading lugs and a second plurality of depending lugs, shafts installed in each of the lug pluralities for connection t...
01/05/1988
4692087Handling system and method for ship construction and repair
The handling apparatus includes two spaced apart lower arms pivoting on a base, and two spaced apart upper arms pivoting on an elbow bearing on the lower arms. The lower arm is driven by a ball-screw arrangement in which a threaded drive, mounted on the b...
09/08/1987
4639186Forwarder
A vehicle particularly suited for loading and transporting elongated articles such as trees. The vehicle has a chassis with one pair of wheels on one side of the chassis and another pair of wheels on the other side of the chassis. A cab and a power supply...
01/27/1987
4601630Load handling apparatus
A load handling apparatus particularly suited for incorporation into a vehicle for lifting and transporting heavy loads such as steel billets, comprising a main frame to straddle a load, pivotally mounted lift frame assembly providing the lifting capabili...
07/22/1986
4512524Crusher for concrete structures
A crusher for concrete structures, having a head carried by a traveling carrier, a rotating base supported by the head concentrically therewith for rotation relative thereto, a pair of hydraulic cylinders pivotally supported at ends by the rotating base a...
04/23/1985
4488848Load handling apparatus
A load handling apparatus particularly suited for incorporation into a vehicle for lifting and transporting heavy loads such as steel billets, comprising a main frame to straddle a load, pivotally mounted lift frame assembly providing the lifting capabili...
12/18/1984
4392774Clam 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
4379675Dampened fully pivotal hanger for a grapple
A dampened fully pivotal hanger (10) for a grapple (12) of a log skidding vehicle (14) or the like having a main mounting member (24) attachable to a rotator (22), first pivoting members (32) pivotal with respect to the main mounting member (24) and secon...
04/12/1983
4354785Gas-tight connector
A gas-tight connector, especially for the remote handling of radioactive or hazardous products by means of a master-slave manipulator. The connector is composed of a tong-unit connector element, a gas-tight connector element and a remote-manipulator conne...
10/19/1982
4351663Glass container rejector
A dual-mode takeout mechanism is provided for use in, for example, an individual section glassware forming machine. In the normal mode of operation, the formed ware is transported in a fixed radius vertical arc from a molding station to a cooling station ...
09/28/1982
4342534Grapple head harness
Apparatus for retracting and securing the grapple head (22) of a grapple skidder (10) for travel over rough terrain in an unloaded condition. A pair of cables (94, 96) of equal length are attached to the grapple head at points laterally spaced from the ve...
08/03/1982
4293265Hydraulically operated hoisting apparatus for a ship for picking floating objects up out of the sea
A hoisting apparatus mounted on the deck of a ship for picking floating objects from the sea having an articulated lifting arm which extends over the side of the ship and gripping device suspended from the end of the arm for grasping objects in the water....
10/06/1981
4260323Grapple head arrangement
PCT No. PCT/US79/00584 Sec. 371 Date Aug. 9, 1979 Sec. 102(e) Date Aug. 9, 1979 PCT Filed PCT Pub No. WO 81/00396 Pub Date Feb. 19, 1981 A compact grapple head (10) for use in apparatus such as a logging vehicle (11). The grapple head has a reduced overall hei...
04/07/1981
4210219Undercarriage for adverse terrain vehicle
A detachable undercarriage for use on adverse terrain vehicles comprises an elongate hollow load-bearing frame having three or four axles rotatably supported thereon. Sprockets are mounted on at least two of the axles, and chains are constrained around th...
07/01/1980
4113124Movable arch structure for skidder vehicle
A movable arch supporting a grapple unit at one end of a logging vehicle, the movable arch including a pair of links of different lengths being pivotably connected in spaced apart relation to a vehicle and a support beam, one end of the support beam exten...
09/12/1978
4091943Method and apparatus for loading a vehicle with bales of crop material or similar units
Bales of crop scattered on a field are loaded on a vehicle by means of a loading apparatus mounted thereon. The loading apparatus comprises a gripping device for successively gripping the bales on the ground and lifting them to a position on the platform ...
05/30/1978
3972431Grapple unit for logging vehicles
A grapple unit of a type suited for arrangement upon a movable arch of a log skidding vehicle, the grapple unit including a structural plate assembly providing enclosed support for a pair of grapple arms and a hydraulic jack, the grapple arms preferably b...
08/03/1976
3933389Grapple 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 respectively have lower ends pivotally connected to the upper ...
01/20/1976
 
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