Assignee: Clark Equipment Company

Location: Woodcliff Lake, NJ
No. of patents: 39

Number	Title	Issue Date
7367739	Two component seal A pair of pivoting parts are held together with a pin, with a first part, such as a rod end of a hydraulic actuator, positioned between two flanges of a bracket, with the flanges having surfaces mating with sides surfaces of the rod end. A seal is placed in each of ...	05/06/2008
D563438	Track for a small loader	03/04/2008
7252325	Work vehicle cab screen A side screen for the cab of a work vehicle, such as a skid steer loader, comprises a panel having strips defining openings therebetween. A high percentage of the area of the screen is open for visibility. At least one reinforcing member, such as a rib, is formed in...	08/07/2007
7160076	Work machine with boom stop A work machine has a lift arm assembly pivotably coupled to a frame assembly at a forward frame pivot. The lift arm assembly includes a pair of spaced-apart lift arms and an extensible lift cylinder. The lift cylinder is pivotably coupled to the lift arms at a lift ...	01/09/2007
7156404	Adjustable height suspension An apparatus for adjusting a height of suspension of a vehicle frame includes a first end of a shock absorber mounted to a suspension arm and a top end of a shock absorber slidably attached to a frame of the vehicle and is movable in a first plane of travel. An adju...	01/02/2007
7156190	Impact tool An impact tool has a slidable hammer that is driven by hydraulic oil under pressure inside a chamber. The hydraulic oil is pressurized by a piston driven by compressed gas on the opposite side of the piston from the hydraulic oil. The gas in the gas chamber is compr...	01/02/2007
7142967	Features of main control computer for a power machine The present invention is directed to a computer based control system for controlling hydraulic and electromechanical actuators on a power machine, such as a skid steer loader. The computer based control system is configured to implement a number of features to enhan...	11/28/2006
7117952	Automated attachment vibration system One embodiment of the present invention pertains to a system, including a mechanical arm, an attachment member, an actuator, a power system, an electronic control, and an operator interface. The attachment member is tiltably mounted on the mechanical arm about a piv...	10/10/2006
7090086	Extendible boom with removable hydraulic hose carrier A telescoping boom has a plurality of boom sections, and the boom sections nest together. The sections include an outer base section, intermediate sections, and an inner section that forms the outer end of the boom when extended. A hydraulic actuator and mechanical ...	08/15/2006
7059238	Method and apparatus for stroke position sensor for hydraulic cylinder A fluid pressure cylinder assembly is provided with a sensor for sensing the extension of a piston rod from a tubular cylinder. The tubular cylinder has a base block that seals the end of the tubular cylinder with an inner wall. The inner wall has a threaded bore fo...	06/13/2006
7051641	Adjustment for steering levers for hydrostatic drive An adjustable arm assembly is drivably coupled to a control shaft and is moved by a link that has a centered position. The arm has two portions that are releasably clamped together. A first arm portion is connected to drive the control shaft. A second arm portion is...	05/30/2006
D516587	Small loader	03/07/2006
6942047	Drift adjustment for skid steering system An adjustment stop screw or bolt is provided for adjusting the full forward speed position of at least one steering lever on a skid steer loader. The stop screw will engage a member movable with the steering lever below the operator's platform. The stop screw can be...	09/13/2005
6931771	Fold-down chute for snow blower A snow blower attachment for a skid steer loader has a tall discharge chute used for loading high vehicles such as trucks. The discharge chute is folded in the center, and has a strut to support it in its working position. The strut is releasable for folding the chu...	08/23/2005
6923285	Attachment control device The present invention provides an attachment for use with a power machine. An attachment control device includes a controller, such as a microprocessor, a microcontroller or other digital computer which senses the type of attachment and controls power to the attachm...	08/02/2005
6910731	Skid steer loader with front pivoting cab having a no tool latch A skid steer loader has an operator's cab mounted thereon pivoting about a horizontal pivot adjacent a forward edge of the frame of the loader and at the forward edge of the operator's cab. In a working position the cab overlies a portion of the frame that has opera...	06/28/2005
6902016	Pivoting panel for mechanical control disengagement A small or mini loader is operated by a platform standing on the ground or other surface supporting the loader, and at the rear of the machine. Hydraulic control levers operate drives on opposite sides of the machine, and the control levers are pulled rearwardly fro...	06/07/2005
6902024	Lateral operator restraint system and position sensor for material handler A self-propelled material handler has a pivotally mounted boom on a frame, and a cab that is positioned adjacent the side of the boom. The cab has an operator's entrance and exit opening on a side of the cab, that is positioned to permit an operator to enter and exi...	06/07/2005
6896088	Operation of wheeled work machine The present invention includes a control system for, or methods of controlling a wheeled work machine to accommodate desired travel control. Acceleration and deceleration inputs are provided, as is a controller for controlling hydrostatic motors to achieve desired a...	05/24/2005
D504136	Skid steer loader with extendable lift arms	04/19/2005
6871697	Integrated fluid reservoir and heat exchanger ducts A combined liquid tank and fan air flow housing is molded as a unit to combine needed functions in a compact preassembled unit. Separate spaced side tank portions are formed that are joined together with a front end tank to form a central opening with upper and lowe...	03/29/2005
6866466	Folding lift arm assembly for skid steer loader A lift arm assembly for a skid steer loader comprises a pair of lift arm links that are pivotally mounted together at first ends of the links. A first lift arm link is of substantial length and is pivotally mounted to the frame of the skid steer loader adjacent the ...	03/15/2005
6863144	Selectable control parameters on power machine A control system in accordance with one feature of the present invention includes one or more user inputs, movable by a user in an operator compartment of a power machine. The user inputs can be used to set values for a plurality of settable operating parameters to ...	03/08/2005
6860707	Support frame structure for loader lift arms A lift arm assembly has a pair of lift arms that are pivotally mounted onto the frame of a loader that has a forwardly pivoting cab. The forward ends of the lift arms each have a front frame assembly that is secured to the respective lift arm. The front frame assemb...	03/01/2005
6854546	Auxiliary cab lift spring A power machine having a frame and a cab rotatably coupled to the frame at a pivot axis for movement from a working position to a raised position. A first spring and a second spring both extendable from a first length to a second longer length are connected to the f...	02/15/2005
6832659	Loader frame and bolt-on track drive A small loader has a central body that is formed as a unitary frame that has spaced apart side walls. The body is supported on drive and support units that are independently assembled, and have mounting plates that bolt to the exterior of the respective side walls o...	12/21/2004
6830111	Walk behind apparatus for operating working attachments A walk behind powered apparatus for operating working attachments includes a ground engaging carriage with two endless tracks on opposite sides of the frame. A support frame attached to the carriage includes a pair of rearwardly and upwardly extending side plate mem...	12/14/2004
6807809	Motion stop control for vehicle A vehicle, such as a loader, has an operator-controlled hydrostatic drive that includes hydrostatic motors to drive wheels. The speed of the motors is proportional to an operator input provided to a controller that regulates the flow of hydraulic fluid from a pressu...	10/26/2004
6805038	Hydraulic cylinder pivot pin A pivot pin is provided for pivotally connecting a hydraulic actuator to a power machine. The pivot pin includes a first pin part having a first bolt-receiving passageway. The pivot pin also includes a second pin part having a second bolt-receiving passageway. In ad...	10/19/2004
6785596	Features of main control computer for a power machine The present invention is directed to a computer based control system for controlling hydraulic and electromechanical actuators on a power machine, such as a skid steer loader. The computer based control system is configured to implement a number of features to enhan...	08/31/2004
D492327	Skid steer loader with lift arms	06/29/2004
6732829	Load absorbing operator restraint bar An operator restraint bar or seat bar has side arms that are pivotally mounted to a rear wall of a loader cab, and a front lap bar. The restraint bar is mounted with a spring that will absorb energy when the front lap bar is moved in a forwardly direction. A spring ...	05/11/2004
6733062	Combined tailgate and hinged engine cover A skid steer loader has a rear mounted engine and a tailgate that pivots about a vertical axis, and the tailgate in turn carries an engine cover panel that is pivoted to the tailgate about a horizontal axis. When the tailgate is closed, the engine cover panel overli...	05/11/2004
6729830	Wheeled work machine and frame assembly A wheeled work machine includes a rigid frame assembly having a support with a boom pivot. A front wheel assembly is joined to the frame assembly proximate the support, while a rear wheel assembly is joined to the frame assembly at an end remote from the support. Th...	05/04/2004
6726437	Telescoping loader lift arm A telescoping lift arm assembly has an outer lift arm tube that is formed with a cross section configuration that has spaced side walls, and outwardly extending flange guide panels at the lower portions of the side walls. An inner lift arm tube is generally bell-sha...	04/27/2004
D487575	Mini-excavator body exterior	03/16/2004
6431299	Cooling air ducting for excavator An excavator has an operator's cab with an engine compartment at the rear which has a laterally facing opening for receiving cooling air that is drawn by an engine fan through a radiator. A duct is provided for transmitting cooling air from an inlet openi...	08/13/2002
6236120	Keyless ignition system with washout feature A security system for a vehicle includes a keyboard including a start key and a washout key and adapted to receive a user code. A processor is operably coupled to the keyboard for receiving signals indicative of entry of the user code actuation of the was...	05/22/2001
6116699	Planer with edge planing capability An attachment for a power machine includes a first mounting plate and a housing mounted to the mounting plate. The housing has a front end and a rear end and generally oppositely disposed first and second sides. The first side of the housing is removable....	09/12/2000

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Assignee: Clark Equipment Company