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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8360165 | Vehicle mounted implement movement control apparatus and methods Embodiments of the inventive technology present novel methods of controlling the movement, in several degrees of freedom, of an implement mounted to and supported by a motor vehicle (e.g., a tractor). Particular embodiments may focus on the use of actuators attached... | 01/29/2013 |
| 7814985 | Grease actuated ball and socket joint A socket assembly including a housing having a bore; an insert member disposed in the bore, the insert member defining a socket; and a cap attached to the housing proximate an inlet of the bore and having an opening to receive a connecting member that extends into t... | 10/19/2010 |
| 7448453 | Flip-over push/back-drag blade attachment for work vehicles A vehicle-mounted tool, such as a blade, may be disposed in an upright position for dozing or other pushing functions when the vehicle moves forwardly and then flipped over into an inverted position for back-dragging or the like when the vehicle moves in reverse. Fl... | 11/11/2008 |
| 7178631 | Aerial ladder cradle assembly A cradle assembly for aerial ladders (or booms) includes an assembly for rotatably and pivotally supporting an aerial ladder or boom, a first pair of upwardly extending parallel support flanges and a second pair of upwardly extending parallel support flanges extendi... | 02/20/2007 |
| 7131502 | Implement mounting system An implement mounting system for providing a lightweight structure capable of moving along 3 main axes for use upon small to mid-sized tractors. The implement mounting system includes a support frame having a pair of side supports and a rear support, a ball joint at... | 11/07/2006 |
| 7093906 | Floor scraping machine with floating blade A machine for scraping a floor covering from a floor has rear drive wheels and a forward blade assembly. Arms which each rotate independently on the frame at one end are connected to the blade assembly which independently rotate on their other ends. Thus, the blade ... | 08/22/2006 |
| 7013983 | Blade mounting structure of bulldozer A blade mounting structure of a bulldozer capable of increasing visibility of a blade is provided. For this purpose, in the blade mounting structure in which a left and a right portions of a blade (1) and a vehicle main body are connected with a set of left a... | 03/21/2006 |
| 6955229 | Implement pitch-yaw system An implement pitch-yaw system for effectively and efficiently controlling the pitch of an implement. The implement pitch-yaw system includes a first yaw actuator and a second yaw actuator attached between an implement structure pivotally attached to a support struct... | 10/18/2005 |
| 6907941 | Sliding quick attach system A sliding quick attach system for allowing sliding movement of the implement while providing quick attachment and release of the implement. The sliding quick attach system includes a support frame, a first brace and a second brace extending upwardly from the support... | 06/21/2005 |
| 6827155 | Implement mounting system An implement mounting system for providing a lightweight structure capable of moving along 3 main axes for use upon small to mid-sized tractors. The implement mounting system includes a support frame having a pair of side supports and a rear support, a ball joint at... | 12/07/2004 |
| 6719066 | Construction vehicle with a working appliance A construction vehicle has a working appliance such as a blade, which is mounted on a vehicle frame such that it can pivot in the vertical direction about a first axis and it can pivot about a second axis substantially perpendicular thereto, for which purpose at lea... | 04/13/2004 |
| 6286606 | Method and apparatus for controlling a work implement A method and apparatus for controlling a work implement movably connected to a work machine. An implement controller automatically controls simultaneous first and second control modes of operation assigned to the work implement. A sensor applies a signal ... | 09/11/2001 |
| 6059048 | Implement mounting arrangement with independent lift-roll and pitch-yaw operability An implement mounting arrangement for a work machine providing simplified, independent lift-roll and pitch-yaw operability. The present arrangement includes at least one push arm connected to the work machine for rotation about a horizontal lift axis; an ... | 05/09/2000 |
| 5799737 | Blade apparatus and its control method in bulldozer A hydraulic drive system for the pitch cylinders (4A, 4B) of a bulldozer blade apparatus can include (a) main hydraulic pumps (30A, 30B) and an assistant hydraulic pump (31) to make up the assistant hydraulic circuit, (b) variable displacement hydraulic p... | 09/01/1998 |
| 5634523 | Blade device A blade device, wherein the angling angle of a blade can be increased and the blade width at the maximum angling is smaller than the chassis width without setting the mount position of the blade too far from a chassis. The connecting position of a joint f... | 06/03/1997 |
| 5620053 | Blade apparatus and its control method in bulldozer A hydraulic drive system for the pitch cylinders (4A, 4B) of a bulldozer blade apparatus can include (a) main hydraulic pumps (30A, 30B) and an assistant hydraulic pump (31) to make up the assistant hydraulic circuit, (b) variable displacement hydraulic p... | 04/15/1997 |
| 5507352 | Block apparatus and method for changing dozer blade pitch A dozer blade pitch adjustment apparatus has a mounting lug and a block supported by the lug for setting a dozer blade at a first pitch or a second pitch. In the improvement, the lug has a mounting surface and the block has a first face contacting such mo... | 04/16/1996 |
| 5451135 | Collapsible mobile vehicle A mobile vehicle having a substantially hexagonally-shaped frame member that is movable between a collapsed position to enable the vehicle to enter a vessel opening or an area having constrained access points and a more stable expanded position. Drive app... | 09/19/1995 |
| 5447204 | Bulldozer assembly with angle, tilt and pitch control It is desirable in many applications to have a bulldozer assembly that can be angled and/or tilted without having interference between elements of the bulldozer assembly and the machine on which it is mounted. In the subject arrangement, a bulldozer assem... | 09/05/1995 |
| 5333697 | Flip block assembly for changing dozer blade pitch The invention is an in a dozer blade pitch adjustment assembly of the type having a blade pivot pin spaced from a reference line on a dozer blade assembly. The improvement comprises a flip block eccentrically mounted between lugs of the blade assembly for... | 08/02/1994 |
| 5010961 | Angle-tilt-pitch mechanism for dozer blade An improved mechanism for connecting a ground-engaging blade to the frame of a vehicle is disclosed which allows the blade to tilt, pitch or angle relative to the frame. The disclosed arrangement includes a pair of hydraulic cylinders which control the ti... | 04/30/1991 |
| 4976054 | Snowplow leveling system A snowplow leveling system is described for use on a standard plow mounting structure having a reversing table mounted to a plow blade system and rotatably mounted on a support frame. The support frame is pivotally mounted about a horizontal axis onto a m... | 12/11/1990 |
| 4962816 | Arrangement for controlling bulldozer blade The bulldozer blade control mechanism according to the present invention has a U-shaped frame (22) fixed to the lower intermediate portion of the rear surface of a blade (20) so that the frame (22) can be turned in all directions, left and right lifting a... | 10/16/1990 |
| 4934463 | Automatic implement position control system It takes high skill to achieve maximum efficiency of construction equipment under the ever changing working conditions. The automatic implement control system helps maximize operator efficiency and convenience by allowing a predetermined angle, lift and/o... | 06/19/1990 |
| 4930582 | Road grader attachment A grader attachment is a forward extending triangular truss structure, which extends from a point of pivotal attachment to a tractor to a tandem front wheel support. A blade frame pivotally hangs from the peak of the truss, supporting a cutter blade immed... | 06/05/1990 |
| 4893683 | Dozer blade mounting assembly A dozer blade mounting assembly for angling and tilting the blade, while preventing or adjustably limiting pitching, without inducing stresses in the assembly. The blade is supported on a conventional C-frame by a universal connection in the longitudinal ... | 01/16/1990 |
| 4848483 | Tool attachment means for tractors An attachment for a tractor generally consisting of a main support frame mountable on a tractor, a tool support member mounted on the main support frame for pivotal movement about a first axis, a tool mounted on the tool support member for pivotal movemen... | 07/18/1989 |
| 4828044 | Dozer blade mounting assembly A dozer blade mounting assembly for angling and tilting the blade, while preventing pitching, without inducing stresses in the assembly. The blade is supported on a conventional C-frame by a universal connection in the longitudinal axis of the vehicle. Th... | 05/09/1989 |
| 4828045 | Dozer blade visual tilt indicator A visual tilt indicator for an implement, particularly but not exclusively for indicating the tilt angle of a dozer blade on a tractive vehicle, wherein the implement is pivotally supported on the vehicle by an implement universal joint and the support in... | 05/09/1989 |
| 4638869 | Bulldozer blade mounting and stabilizing arrangement Mounting arrangements are required to mount and stabilize a bulldozer blade on a vehicle when it is desirable to both angle and tilt the bulldozer blade relative to the vehicle. During the angling and tilting of the bulldozer blade, it is desirable to con... | 01/27/1987 |
| 4565018 | Plow frame for a front-mounted snowplow A plow frame for a front-mounted snowplow, for example, of the type in which the shovel blade can be set in crosswise, diagonal or V-configurations, which via a linkage system with a coupling frame is detachably fastened to a coupling frame on a vehicle. ... | 01/21/1986 |
| 4562891 | Front vehicle blade mount A hitch for mounting an implement on the front end of a vehicle relative to he normal travel direction thereof has a main frame having a rear end pivoted on the vehicle about a generally horizontal rear main axis and a front end spaced forward therefrom in... | 01/07/1986 |
| 4424871 | Tilting and angling mechanism for dozer blade A dozer blade is attached to a support frame for movement about a universal connection. Angling actuators are connected between the frame and the blade so as to define a tilt axis which passes through the universal connection between the frame and blade.... | 01/10/1984 |
| 4405019 | Adjustment and stabilizer mechanism for dozer blade A mechanism for angling, pitching, and tilting a dozer blade utilized in a conventional bulldozer wherein the blade is pivotally connected by an angling frame to the forward ends of push arms. A tilt-pitch control assembly for the blade is provided includ... | 09/20/1983 |
| 4364439 | Implement assembly with pivot connection An implement assembly (12) includes an implement (16), such as a blade (22) of a work vehicle (10), connected to a frame (14) through a pivot connection (23) for pivotally supporting the blade (22). The blade (22) and frame (14) are closely positioned to ... | 12/21/1982 |
| 4304305 | Frame for mounting tilt and angled dozer blade to tractors A detachable moldboard dozer blade assembly for tractors having a push frame pivotally attached at a rear end thereof to the underchassis of a tractor. A frame structure is attached to the forward end of the push and provides for a vertical pivotal axis f... | 12/08/1981 |
| 4281721 | Bulldozer blade mounting assembly A mounting assembly for supporting a scraping tool (e.g. a bulldozer blade) forward of a vehicle (e.g. a bulldozer) and enabling independent angling and tilting of the tool is disclosed. The assembly includes a U-shaped mainframe, a swingframe, means for ... | 08/04/1981 |
| 4270617 | Earth moving machine of the scraping blade type An earth moving machine having an improved mounting for a scraping blade attached thereto. The scraping blade of the machine herein disclosed is capable of undergoing independent or simultaneous rotational movement about three perpendicular axes and apply... | 06/02/1981 |
| 4244429 | Mounting mechanism for angle dozer blade A dozer blade mounting for a dozer frame having a dozer blade movably supported thereon includes at least one rigid link that has one end pivoted on the vehicle frame and the opposite end pivoted on the dozer frame with fluid ram means associated with the... | 01/13/1981 |
| 4221267 | Angle and tilt implement assembly An implement assembly (12) includes an implement (16), such as, for example, a blade (22) of a work vehicle (10), pivotally connected to a frame (14) for supporting said blade (22). The blade (22) and frame (14) are closely positioned to the front of the ... | 09/09/1980 |
