Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7021398 | Box scraper assembly A box scraper attachment is provided for mounting on the boom arms of a skid-steer vehicle or the like. The box scraper attachment includes a main frame having castor wheel assemblies mounted at the forward end thereof. A box scraper is selectively vertically movabl... | 04/04/2006 |
| 7013667 | Dispenser for refrigerator A dispenser for a refrigerator is provided which allows for more storage space inside the refrigerator, and which includes a locking mechanism which allows a drain pan of the dispenser to be removably attached. The dispenser includes a housing mounted on a front sur... | 03/21/2006 |
| 6672401 | Towable box grader with electronically controlled continuously variable multi-axis blade system A towable scraper system for contour surface grading. The system includes a rigid chassis member that has a coupler configured for attachment to a conventional three-point tractor hitch. A scraper blade is pivotally suspended from the rigid chassis member... | 01/06/2004 |
| 6523617 | Motor grader vehicle control arrangement An intuitive control for a motor grader controls the blade high lift assembly by adjustment of a miniature representation available at the operator's station. This miniature representation allows the direction of adjustment of various hydraulic components... | 02/25/2003 |
| 6230818 | Adjustable drawbar and circle support assembly for a motor grader A motor grader is provided with an adjustable drawbar and circle support assembly. The assembly includes a circle support for mounting a moldboard or blade for rotation about an upright axis, and an extensible and retractable drawbar having one end associ... | 05/15/2001 |
| 6123156 | Mid-chassis plow or scrapper angling support A mid-chassis, underbody plow or scrapper blade is mounted under a vehicle chassis to permit the outer ends of the blade to move vertically. Pneumatic pressure actuators mounted on either side of the center line of the vehicle apply pressure to the respec... | 09/26/2000 |
| 5782016 | Underbody scraping apparatus with pitch control A scraper apparatus is disclosed for mounting under a body of a truck. The apparatus includes a table having a forward and a trailing end. The forward end is pivotally secured to the body of the truck. The arrangement is such that the table is permitted t... | 07/21/1998 |
| 5667020 | Circle and drawbar assembly for a motor grader A blade assembly of a motor grader includes a drawbar frame adapted for mounting to the motor grader and a circle frame adapted for mounting a blade thereto. A number of shoe assemblies are mounted to the drawbar frame in a circular array and support the ... | 09/16/1997 |
| 5529131 | Grading attachment A grading attachment for loader type utility vehicles is provided. The attachment secures to the front of the loader and has an overarching beam which ends in a set of ground engaging wheels. A drawbar is secured to the front of the beam at a ball and soc... | 06/25/1996 |
| 4852659 | Motor grader with high-lift and lock arrangement A blade lift and support system for a road grader is taught which is of simplified construction and improved geometry. According to one embodiment, the adjustment of the beam and associated grader blade is fully hydraulically controlled including locking ... | 08/01/1989 |
| 4837940 | Grader blade height control A height control device for attachment to the end of a grader blade of a motor grader. A gage portion of the device is adjustable for the desired depth of a cut the blade will make with reference to a curb upon which the gage rides.... | 06/13/1989 |
| 4340119 | Motor grader with bar linkage blade positioning apparatus The specification discloses a new blade positioning apparatus for use in motor graders, that provides improved visibility and allows the operator to easily control the elevation, transverse inclination, and position of the scraper blade beneath the machin... | 07/20/1982 |
| 4304307 | Scraper blade attachment for tractors A scraper blade attachment including a blade assembly located between the front and rear wheels of the tractor and supported by forwardly extending rail members swingably coupled to the forward end of a tractor frame. The rail members and the blade assemb... | 12/08/1981 |
| 4279312 | Dual tractor road grader with double arched center frame A double arch center frame employs a depending center arch to mount by a ball and socket connection the leading end of a draw bar and yoke assembly. Bell cranks pivotably mounted to yoke plates borne by the arched center frame intermediate of the center a... | 07/21/1981 |
| 4175625 | Articulating grader having structure for raising and lowering mold board without disturbing setting An articulating grader comprises a rear driver section which has an engine and hydraulic pump arrangement for driving a pair of wheels on each side. A chassis frame includes lower frame members for supporting a mold board assembly which is controlled and ... | 11/27/1979 |
| 4071091 | Motor grader with detachable link for reduced blade angle operation The invention is concerned with an improvement in a motor grader which comprises a powered vehicle having a main grader frame extending forwardly therefrom, the frame being supported adjacent its forwardmost end by ground engaging wheels, a circle drawbar... | 01/31/1978 |
| 4053016 | Motor grader blade lift and control mechanism and method A motor grader comprises a frame having a circle drawbar mounted thereunder. A normally horizontally disposed mold board or blade is attached to the circle drawbar for multi-directional movements relative thereto and relative to the frame of the motor gra... | 10/11/1977 |
| 3976146 | Grader A grader of the type including a longitudinal overlying boom connecting a front wheel assembly to a rear tractor unit with a blade carrier frame assembly positioned intermediate the front wheels assembly and the tractor unit. This grader is characterized ... | 08/24/1976 |
| 3961670 | Hydraulic control system for hydraulically operated road grader A hydraulic control system for use for precise control of the height of the earth working blade on road graders, and in particular for use in combination with road graders that are automatically controlled. The control system is selectively operable, and ... | 06/08/1976 |
