In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7410004 | Agricultural implement carrier A self-propelled agricultural tool carrier has a lifting carriage mounted between the front and rear sets of wheels. A tool bar adapter is mounted to the lifting carriage below the frame for connection to a tool bar that supports planting and cultivating equipment. ... | 08/12/2008 |
| 7264064 | Hydraulic pump drive A hydraulic pump drive is mounted to the tongue of an agricultural implement. Connecting components between the pump and the drawbar extender of the towing tractor aim the pump input shaft toward the tractor. A short telescoping PTO assembly connects the pump shaft ... | 09/04/2007 |
| 7240741 | Knock-on sweep structure and tools therefor Sweep retaining structure includes a spring wire retainer with a base supported in a groove on the underside of the wedge support which mates with a stem portion of the sweep. The wedge support is apertured, and a central curved portion of the retainer passes throug... | 07/10/2007 |
| 7210538 | Center pivot wing flotation method and apparatus A method and apparatus for proving a flotation for the wings of a foldable wing of an agricultural seeder that are centrally suspended from the main frame such that individual wings are pivotable centrally of the longitudinal axis therefore to better follow the cont... | 05/01/2007 |
| 7204319 | Jointed rockshaft with angularly adjustable segments A flexible rockshaft includes joint structure facilitating the adjustment of the rotational angle of rockshaft segments relative to each other. A link inserted between a rockshaft segment and the rockshaft flex member rotates on the same or a parallel pivot as adjac... | 04/17/2007 |
| 7182146 | Assembly for and method of constraining a flexible line of an agricultural implement A constraint assembly is provided to support a series of hoses associated with operation of an agricultural implement with a telescoping tongue assembly. The telescoping tongue assembly includes at least one telescoping arm configured to move between an extended and... | 02/27/2007 |
| 7143839 | Holder assembly A holder assembly is illustrated to support at least one flexible line extending along a telescoping tongue assembly of an agricultural implement. The holder assembly includes a first pivotally coupled link in general parallel alignment with a second pivotally coupl... | 12/05/2006 |
| 7100350 | Haying machine A haymaking machine including a frame carrying at least one pair of rotors connected to carrying arms that may be moved from a working position, in which they are substantially horizontal, to a transport position, in which they are substantially vertical, and vice-v... | 09/05/2006 |
| 7090427 | Bar connecting clamp A clamp for connecting together a set of structural bars having a body defining at least one pair of prismatic guides for positioning one of the bars within the clamp and a locking mechanism for securing the bars inside the guides. The body is defined by four sheet ... | 08/15/2006 |
| 7073604 | Hydraulic holding cylinder for wing lift mechanism The transversely extending frame of a machine has a number of hingedly interconnected frame sections that may be raised and lowered by lift cylinders to convert the machine between a wide-spread working position and a folded-up transport position. Two lift cylinders... | 07/11/2006 |
| 7059422 | Self-orienting loader bucket mechanism A mechanism for retaining a pre-selected orientation of a front-end loader bucket at all points throughout the working range of the lift arm assembly includes a linkage system designed to allow rotation of the bucket from a tilted back position to a fully dumped pos... | 06/13/2006 |
| 7055618 | Hydraulic pump drive A hydraulic pump drive is mounted to the tongue of an agricultural implement. Connecting components between the pump and the drawbar extender of the towing tractor aim the pump input shaft toward the tractor. A short telescoping PTO assembly connects the pump shaft ... | 06/06/2006 |
| 7021394 | Articulating and locking mechanism for farm implement chassis An articulating and locking mechanism of agricultural implement chassis is disclosed, intended for disc harrows and other implements with great working width, which are characterized by articulation to reduce the total width so as to facilitate transportation and st... | 04/04/2006 |
| 7021397 | Folding furrow roller for the preparation of seed beds A folding furrow roller that facilitates planting operations and optimization of irrigation and drainage with efficient preparation, configuration, and planting of seed beds. A centrally located fixed drum roller supports a pair of hinged outboard drum roller wings ... | 04/04/2006 |
| 7017676 | Support assembly for a flexible line of an agricultural implement A support assembly is configured to carry a series of flexible lines associated with operation of an agricultural implement. The agricultural implement generally includes a main frame bar pivotal about a platform. The support assembly includes a mounting bracket, a ... | 03/28/2006 |
| 7010874 | Mounting frame unit for attaching working implements to a tractor body A mounting frame unit attached to a tractor body for enabling working implements such as a front loader and a backhoe to be attached to the tractor body. The mounting frame unit includes a pair of right and left main frames extending longitudinally of the tractor bo... | 03/14/2006 |
| 6968906 | Electric tilling machine An electric tilling machine has a motor mounted on a machine body for rotationally driving a tilling shaft provided with tilling claws. A housing/cleaning box has an upper opening and is configured to receive therein the tilling shaft and tilling claws with the mach... | 11/29/2005 |
| 6932512 | Agricultural rockshaft bearing block structure and wear inserts therefor A bearing block structure for an implement rockshaft includes a two-piece ultra high molecular weight (UHMW) polyethylene wear insert located between a cast iron or welded steel bearing block and a rockshaft. In one embodiment, identical insert halves are supported ... | 08/23/2005 |
| 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 |
| 6920941 | Adjustable grass treatment apparatus A grass treatment apparatus is adapted to be coupled with a propellant vehicle in order to be movable over the ground and which mounts a plurality of grass treatment units which are engageable with the ground in order to carry out required grass treatment operations... | 07/26/2005 |
| 6913234 | Rod clamp A rod is gripped by a clamp which is removably seated in a lateral recess in a hand-held rod holder. The clamp is tightened around the rod by turning a threaded actuator. The holder configuration is easily changed from right-handed to left-handed by removing the rod... | 07/05/2005 |
| 6851484 | Wheel track filling apparatus A novel and practical track-filling apparatus for smoothing rutted soil formed by the repeated passage of wheels. This apparatus includes a frame, a system for attaching the frame to a tractor, and a soil moving blade assembly mounted to the frame. This blade assemb... | 02/08/2005 |
| 6752220 | Farm equipment hitch A farm equipment hitch comprises a hitch frame, a lift linkage, a lift cradle, a ram and a plurality of locking mechanisms. ... | 06/22/2004 |
| 6745848 | Tower and wheel arm assembly A tower and wheel arm assembly for an implement frame includes a pair of identical single piece pivot castings which are selectively connectible at different locations along the frame and provide both wheel arm pivoting and a cylinder anchor tower pivoting. The whee... | 06/08/2004 |
| 6732812 | Staggered frame element with overlap A transverse rank particularly useful with implement split frame construction includes first and second transversely extending tubular members welded to the fore-and-aft tubes on first and second halves of the frame. The locations of the first and second tubular mem... | 05/11/2004 |
| 6679339 | Implement lift and level system with a front mounted direct coupled rockshaft A rockshaft is mounted over the front rank of the implement frame and is operated by cylinders located at opposite ends of the rockshaft connected to lift arms extending radially adjacent bearing mounts. Fore-and-aft extending links aligned with the lift ... | 01/20/2004 |
| 6666155 | Planter with centrally mounted coulter apparatus A planter/fertilizer assembly that can be configured to facilitate either rapid seeding/fertilizing or transport and including an implement bar mounted on a wheel supported carrier frame for rotation between a transport position where the implement bar is... | 12/23/2003 |
| 6648078 | Apparatus for folding over corn stalk stubble and the like The present invention relates to a device which may be mounted to the front of a tractor and which is operative to fold over corn stalks and the like before they engage the front tires of the tractor. The device positions dragging units in front of each o... | 11/18/2003 |
| 6484812 | Harrow bearing A bearing assembly (10) is taught including a housing (14), a shaft (18) supported within the housing (14) and having an outboard end extending through an opening in an end of the housing (14), a bearing (16) disposed between the shaft (18) and the housin... | 11/26/2002 |
| 6460319 | Vegetation trimming and edging device with adjustable head orientation A vegetation trimming and edging device has an adjustable head that permits selective positioning between trimming and edging orientations. A shaft extends between the head and a handle. The head receives one end of the shaft. A coupling mechanism couples... | 10/08/2002 |
| 6401832 | Agricultural implement lift wheel structure Lift wheel structure for an implement includes four bar linkage having a curved lower link connected to the frame closely adjacent a first tool-carrying rank. A caster wheel is supported at the forward end of the linkage for castering in an accommodation ... | 06/11/2002 |
| 6374923 | Folding frame implement A folding tool bar implement converts from a transversely extending operating configuration to a longitudinally extending transport configuration. The implement includes a rotating rockshaft supported by a wheel assembly at each opposing end thereof. The ... | 04/23/2002 |
| 6371216 | Tillage implement with spring pressure weight transfer mechanism A forwardly folding tillage implement carries a number of ground engaging tools on a tool gang frame disposed to the rear of a carrier frame. A rockshaft is disposed between the carrier frame and the tool gang frame and is movable between four rotated pos... | 04/16/2002 |
| 6367562 | Bump stop tube for a folding implement A multi-section implement frame with outer wing sections which fold relative to an inner section includes a bump stop tube assembly having a simple tube with faces slotted at one end to receive the bight portion of a U-bolt. The legs of the U-bolt are thr... | 04/09/2002 |
| 6354382 | Positionable work implement A positionable work implement with an increased working width. The positionable work implement includes a main frame, and wheel assemblies and implement assemblies mounted on the main frame. The main frame is pivotable about a vertical axis, pivoting betw... | 03/12/2002 |
| 6352125 | Side-by-side three-point hitch Apparatus for maintaining a tool bar in a controlled position behind a tractor having a conventional three-point hitch arrangement including an upper arm and a pair of lower lift arms. The apparatus has a tool bar positioned near the tractor extending in ... | 03/05/2002 |
| 6325155 | Draft cable for connecting a wing for agricultural tillage device The invention disclosed is a support for a draft cable in a multi-sectional agricultural tillage apparatus movable between an open operating position and a folded transport position. The draft cable is attached to the central frame hitch and an outer wing... | 12/04/2001 |
| 6315055 | Draft cable for connecting a hitch frame to a wing section of an agricultural implement The invention disclosed is a support for a draft cable in a multi-sectional agricultural tillage apparatus movable between an open operating position and a folded transport position. The draft cable is attached to the central frame hitch and an outer wing... | 11/13/2001 |
| 6301866 | Vegetation trimming and edging device with adjustable head orientation A vegetation trimming and edging device has an adjustable head that permits selective positioning between trimming and edging orientations. A shaft extends between the head and a handle. The head receives one end of the shaft. A coupling mechanism couples... | 10/16/2001 |
| 6293353 | High mobility agricultural implement An implement supports several ground cultivating tools on a main toolbar and at least one wing toolbar. The two are coupled together by two pivot brackets attached to the outer end of the main toolbar and the inner end of the wing toolbar. The pivot brack... | 09/25/2001 |