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Class 212/305 - Pivoted lever or link to extend foot


Subclass of Class 212 - Traversing hoists
Definition: Subject matter wherein said ground engaging stabilizing
No. of patents: 60
Last issue date: 04/29/2008


1    
NumberTitleIssue Date
7364044Safety device against overturning crane
The present invention provides a safety device against crane overturning which operates in a crawler crane comprising at least four outriggers in a frame, the safety device comprising a load detector 2 that detects a ground reaction to each of the outriggers,...
04/29/2008
6561546Pothole protection mechanism
A pothole protection mechanism for a lift machine includes a frame that is securable to the lift machine, a pothole protection bar movably coupled with the frame via a support linkage, and an actuator coupled between the frame and the pothole protection b...
05/13/2003
6481749Auto-up switch for simultaneously retracting a pair of stabilizer legs on a backhoe loader machine
Automatic and simultaneous retraction of a pair of stabilizer legs for a backhoe loader machine 10 is beneficial for the operator when operation of the backhoe loader is complete. Instead of retracting the stabilizer legs by manually holding a pair of con...
11/19/2002
6443490Dual mode stabilizer for backhoe loaders and backhoe attachments
A dual mode stabilizer for primary use in conjunction with a backhoe loader or in conjunction with a backhoe attachment for a skid steer loader. The dual mode stabilizer includes a pair of base members rigidly fixable on opposite sides of the tractor prox...
09/03/2002
6371314Hoisting device for all terrain vehicle
A combination of an all terrain vehicle and a hoisting device for use therewith, the all terrain vehicle including a frame, a body mounted on the frame and wheels, the hoisting device comprising a hoisting device frame having at least one member extending...
04/16/2002
6076855Dual mode stabilizer for backhoe loaders and backhoe attachments
A dual mode stabilizer [10] for primary use in conjunction with a backhoe loader, such as a rubber-tired backhoe loader or in conjunction with a backhoe attachment for a skid steer loader. The dual mode stabilizer [10] includes a pair of base members [20]...
06/20/2000
5890737Pothole protection mechanism for a lifting device
A mechanism for preventing tipping of a lifting device having a main frame supported by a plurality of ground engaging support elements and a lifting element raisable and lowerable with respect to the main frame, the mechanism comprising a subframe mounte...
04/06/1999
5706960Extended perimeter x-shaped outrigger assembly for cranes
A mobile crane having frame structure supporting a boom and turret unit between the front and rear wheel axles of the crane is provided with four outrigger arms which are extensible to present an extended perimeter X-shaped pattern. The outrigger arms are...
01/13/1998
5348172Industrial carrying machine
A mobile crane has a triangular wheel arrangement with a steerable front wheel and a frame for carrying an operator and a boom which is adjustable both as to vertical angle and azimuth. Shock absorbing stabilizing arm assemblies extend from either side of...
09/20/1994
5120186Crane attachment for loading machines
A self-contained, full-function, crane attachment for loading machines that is capable of quick release coupling with the standard bucket attachment mechanism of conventional loaders. The attachment comprises a wheel-mounted supporting frame equipped with...
06/09/1992
5054812Stabilizer pad for earth-moving apparatus
Earth moving equipment especially of the loader/backhoe type is provided with hydraulically operated stabilizer arms having associated therewith stabilizer pads. The pad is a reversible stabilizer pad having a flanged surface for engagement with gravel, f...
10/08/1991
5050904Stabilizer pad for earth moving apparatus
Earth moving equipment especially of the loader/backhoe type is provided with hydraulically operated stabilizer arms having associated therewith stabilizer pads. The pad is a reversible stabilizer pad having a flanged surface for engagement with gravel, f...
09/24/1991
5029895Outrigger-mounted axle assembly
A load transfer assembly is used on a vehicle which has one or more outriggers. The load transfer assembly consists of an axle assembly mounted proximate the outer end of at least one of the outriggers. The axle assembly bears at least one ground-engaging...
07/09/1991
5015008Stabilizer pad assembly for an earth moving apparatus
A stabilizer pad assembly including a reversible stabilizer pad and a pad limit stop designed as an attachment to a positionable support arm of an earth moving apparatus such as a loader/backhoe. The pad limit stop is configured to wedge between the stabi...
05/14/1991
5015147Excavating apparatus
Excavating apparatus of limited mobility adapted primarily for indoor use on brick or cement floors and having a body adapted to make substantially planar contact with the floor. The apparatus is stabilized by at least one pair of legs having respective r...
05/14/1991
4949808Aerial apparatus and stabilizing means therefor
An aerial apparatus swingable outwardly of a fire truck chassis is stabilized by outriggers on opposite sides of the chassis with the aerial apparatus being swingable to one side or the other only if an extendible section of an outrigger for that side has...
08/21/1990
4941546Aerial ladder rotation limiter
A fire truck includes an aerial ladder mounted on a rotatable base and outriggers on each side of the truck to stabilize the ladder in use. The outriggers may be deployed on only one side of the vehicle to permit use in confined areas. The ladder base is ...
07/17/1990
4921394Load handling device
A load handling device for transferring ISO flat racks, containers or the like, to and from a support comprising two spaced lifting arms (11) pivotally connected adjacent their lower ends (at 9) to said support (13) and hydraulic rams (40,41) for rocking ...
05/01/1990
4913458Surveillance vehicle control system
A control system for a surveillance vehicle (V) is disclosed. The vehicle includes a rapid deployment and retraction mechanism (A') and a jack system (B') for continuously maintaining a detection device (28) a top a mast (12) within a prescribed vertical ...
04/03/1990
4889362Stabilizer pad for earthmoving apparatus
Earth moving equipment especially of the loader/backhoe type is provided with hydraulically operated stabilizer arms having associated therewith stabilizer pads. The pad is a reversible stabilizer pad having a flanged surface for engagement with gravel, f...
12/26/1989
4825567Safety device intended for equipping a self-propelled appliance having stabilizers, especially a public works appliance of the shovel-loader type
The invention relates to a safety device for a self-propelled earthmoving appliance having a hydraulic transmission with a reverser and at least one stabilizer which can serve as a support for the said appliance. According to the invention, the safety device c...
05/02/1989
4818172Parasitic crane
A crane has a twin post and a twin boom construction and provides for numerous degrees of freedom. The crane is a trailer and uses the weight of a vehicle to which it is attached for stability when it is in an operating mode. The crane has wheels which ma...
04/04/1989
4761021Stabilizer pad for earthmoving apparatus
Earthmoving equipment especially of the loader/backhoe type is provided with hydraulically operated stabilizer arms having stabilizer members associated therewith. Each member or pad is of reversible type having a flanged surface for engagement with grave...
08/02/1988
4706825Portable folding bridge crane
A portable folding bridge crane comprises a power unit having a folding tongue assembly for enabling the unit to be towed as a trailer by a vehicle, a crane rail assembly carrying a movable bridge crane thereon, a pair of support members pivotally connect...
11/17/1987
4664411Method of and apparatus for removal and installation of outrigger box on cranes
A pair of fixed parallel transport rails for the outrigger box of a mobile crane are installed at the bottom of the crane chassis frame. The outrigger box is held on the chassis frame by four removable tapered pins. One jack cylinder on the outrigger box ...
05/12/1987
4632262Crane undecking arrangement
A retractable leg structure for undecking a crane's upper from its carrier including a box member having a circular cross section and a longitudinal axis affixed to the upper, a beam retained within the box and rotatable about the longitudinal axis relati...
12/30/1986
4619369Support or stabilizer devices for mobile construction equipment
Stabilizers especially intended for mobile heavy equipment such as concrete delivery vehicles, mobile cranes and like vehicles are pivotally associated with the respective equipment and are downwardly pendent. For driving the vehicle, telescoping stabiliz...
10/28/1986
4607862Mobile machine comprising a stabilizing device
The present invention relates to a mobile machine comprising a frame, a beam mounted on the frame and a stabilizing device comprising two arms, each arm being mounted on the beam, pivoting about a pin, being coupled to a first member for adjusting its piv...
08/26/1986
4568103Vehicle anchoring system
A vehicle anchoring device is made with a hydraulic cylinder which is moud on the vehicle and adapted to extend and retract a mounting arm. The mounting arm has an attachment head located on the outboard end of the mounting arm which is adapted to engage...
02/04/1986
4546996Multi-surface stabilizer pad assembly
A selectively positionable pad assembly for the stabilizer of a material handling implement is disclosed wherein the pad assembly includes multiple ground-engaging surfaces. The pad assembly includes a mounting bracket which is pivotally connected to a fr...
10/15/1985
4536009Vehicle stabilizing system
A stabilizing system for a vehicle carrying a load supporting platform (10), to prevent the platform from tilting when the load is unevenly distributed about the longitudinal center line of the vehicle, the system comprising a pair of jacks (17) which are...
08/20/1985
4531882Stabilized load handling vehicle with orientable arm
A load handling vehicle having two mutually articulated chassis elements respectively carrying ground engaging wheels and a drive motor, the first chassis element carrying a prop located below the articulation pivot and moveable between a raised retracted...
07/30/1985
4515520Stabilizer assembly
A stabilizer assembly for laterally supporting a construction vehicle of the type having a material handling implement. The preferred embodiments of the stabilizer assembly permit selective positioning of the outboard ends of the stabilizer arms over a wi...
05/07/1985
4491450Pick-up and laydown machine
An apparatus for picking up and laying down drill pipe casing and the like having a single endless line and support means extending axially of the apparatus toward the drilling rig to move the pivot point of the apparatus rearwardly thereof to increase it...
01/01/1985
4482287Excavator
An excavator can be moved in a step-like manner employing its boom and stepping feet or it can be arranged for conventional driven wheeled movement. The excavator includes a supporting frame with outwardly extending supporting arms on which first wheels a...
11/13/1984
4437682Outrigger for use in wheel-type vehicle
An outrigger for use in a wheel-type vehicle which can be mounted just behind a front wheel where available height for mounting is very limited. The outrigger comprises a support fixedly secured to an axle of the vehicle, a first and a second link both pi...
03/20/1984
4417644Anti-theft device and method for deterring theft of mobile equipment
Devices and methods for protecting against the theft of mobile equipment having at least one hydraulic cylinder (telescoping support member) that is extendable to a equipment immobilizing position, in which position the equipment is rendered immobile. A h...
11/29/1983
4345873Material handling vehicle
A vehicle for handling heavy loads and moving them short distances. The vehicle has a lifting linkage arrangement that allows the center of gravity of the load to be carried over the front wheels or between the front and rear wheels after the initial lift...
08/24/1982
4295661Latching mechanism for machine stabilizer arms using hydraulic cylinders
In heavy mobile construction machinery such as backhoes, power shovels and boom cranes, wherein hydraulically actuated outriggers are extended for lateral stabilization, an automatically self-locking and self-releasing latching mechanism is provided to re...
10/20/1981
4288196Computer controlled backhoe
A backhoe includes a computer capable of automatically controlling the depth or lowermost point of the backhoe bucket. The computer is programmable to provide level operation of the backhoe, will have preset common depths and programmable depths, and furt...
09/08/1981
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