Adjustable About Central Vertical Hinge Patents (Class 37/283)
  • Patent number: 8850724
    Abstract: A plow assembly for attachment to a vehicle having a longitudinal axis comprises a plow blade having first and second ends, a first plow wing pivotally mounted to the first end of the plow blade, and a plow support adapted to be operably mounted to the vehicle. The first plow wing is biased by a first compression. A first connecting member is connected to the first plow wing, passes through the first compression spring generally coaxially therewith, and is connected to the plow support. The first connecting member is configured to pivot the first plow wing relative to the plow blade during pivoting of the plow blade from a center position to a first position such that when the plow blade is in the first position the first plow wing is generally parallel to the plow blade.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: October 7, 2014
    Assignee: Douglas Dynamics, L.L.C.
    Inventor: David N. Bloxdorf
  • Patent number: 8793906
    Abstract: A snowplow assembly may include a vehicle attachment component, a blade support component and a snowplow blade that are each formed in a rotational molding process. These components may be manually assembled and manually attached to the vehicle. The snowplow blade may be manually positioned adjusted.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: August 5, 2014
    Assignee: Meyer Products LLC
    Inventors: Martin Warchola, James A. Kost
  • Patent number: 8776406
    Abstract: A reversible wing plow including a hitch, a moldboard and a moldboard shifting mechanism. The hitch is coupleable to the rear of a prime mover. The moldboard is operably coupled to the hitch proximate an inboard end and rotatable about a first horizontal axis that extends outwardly from the hitch generally parallel to a direction of forward movement of the prime mover. The moldboard shifting mechanism includes first and second linear actuators, both of which are coupled to the hitch at one end and coupled to opposing sides of a rotation crank plate on the other end. The crank plate is further operably coupled to the moldboard, whereby the moldboard is rotatably shiftable to the driver or passenger side of the prime mover, or to a vertically oriented transport position.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: July 15, 2014
    Inventor: Michael Frederick Stephan
  • Patent number: 7784199
    Abstract: A snow plow for attachment to a vehicle, the snow plow including a mounting apparatus having a mounting frame, the mounting frame including at least one mounting upright. The snow plow further including a plow blade including a retention apparatus constructed and arranged to slidingly and disengageably secure the plow blade to the mounting upright(s) when the plow blade is in a working orientation. The mounting apparatus further includes a vehicle connecting member for attachment to the vehicle; the vehicle connecting member including a mechanism that allows the mounting frame to swivel in a generally horizontal plane when interconnected with the vehicle.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: August 31, 2010
    Assignee: Agri-Cover, Inc.
    Inventor: Charles M. Schmeichel
  • Patent number: 7730644
    Abstract: The left and right sideblades are hinged to the mainblade about vertical axes, and can pivot each through 180°. The sideblades are rotated by means of left and right hydraulic rotary actuators. The actuator includes a piston formed with helical splines, which drive a rotor sleeve of the actuator to rotate in a single-plane-circle when the piston is driven axially. The journal bearings in the rotary actuator are supplemented by bearings provided in a coaxial lower hinge, which are of much greater journal capacity than the bearings in the rotary actuators. The lower hinge protects the hydraulic rotary actuator from shocks due to the sideblade impacting against a kerb. A wheel-protection link blocks the sideblade from contacting the wheel of the vehicle.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: June 8, 2010
    Assignee: 1708828 Ontario Inc.
    Inventors: Oscar Frey, Ryan Earl Frey
  • Patent number: 7596892
    Abstract: A blade (3) meant to work in the curved form of a snow plough and attached from its lower edge to a rigid beam, the upper edge of which is supported by means of upper beam (12) or similar, and said blade is of flexible material, as plastic sheet. The blade is from its upper beam (12), essentially from its middle, supported by suspension means (9), which due to the ploughing load allows upper beam (12) and blade (3) upper edge to tilt and blade (3) to change the radius of curvature at least from the suspension spot on the blade area toward the blade point.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: October 6, 2009
    Assignee: Hagie Manufacturing Company
    Inventor: Mauno Ruuska
  • Publication number: 20090223091
    Abstract: A plow apparatus is disclosed for mounting on a mobile base, and includes a mount for mounting to a mobile base, a plow having a moldboard having an upper boundary, a plow support assembly mounted on the mount and configured to support the plow on the mount, and a plow adjustment assembly configured to adjust an orientation of the plow. The plow support assembly may be mounted to the plow toward the upper boundary of the plow. The plow adjustment assembly may comprise a tilt assembly that is configured to adjust a tilt orientation of the plow about a longitudinal substantially horizontal axis of the plow. The fluid actuation assembly may be configured to provide fluid to the plow adjustment assembly to orient the plow with respect to the mount, and the fluid actuation assembly is configured to utilize a gas to adjust the orientation of the plow.
    Type: Application
    Filed: March 4, 2008
    Publication date: September 10, 2009
    Inventors: Craig Livingston, Ryan Jones
  • Patent number: 7523568
    Abstract: A snow plow with a clutch mechanism for allowing the plow blade to deflect when an off-center portion the blade strikes an obstacle. The clutch comprises two plates in axial alignment, with one plate being attached to brackets for the plow support and the other plate being attached to brackets supporting the blade. One plate has a number of small protuberances and the other plate a corresponding number of shallow pockets. The plates are releasably held in nested relation by an axially adjustable mechanism.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: April 28, 2009
    Inventor: Barry A. Willey
  • Patent number: 7437839
    Abstract: A V-blade plow has adjustable first and second blades, each with an inner end that is rotatably connected to a pivot frame. The plow is provided with a cutting edge arrangement comprising first and second edge segments and a center edge segment there between. The first edge segment is removably attached to the first plow blade and projects downward below the bottom edge of the first plow blade. The second edge segment is removably attached to the second plow blade projecting below the bottom edge of the second plow blade. The center edge segment is mounted beneath the pivot frame and is attached to the first and second plow blades to prevent the material being plowed from passing beneath the pivot frame between the blades.
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: October 21, 2008
    Assignee: Northern Star Industries, Inc.
    Inventors: Jody M. Christy, Chris M. Kuzak, Tristan W. Summers, Mike K. Nylund, Steve Grunlund
  • Patent number: 6871425
    Abstract: A wing plow apparatus is disclosed for attachment to a vehicle for carrying out a benching operation. The apparatus includes a moldboard having an inboard and an outboard end and a top edge and a cutting edge. A wing post supports and guides the moldboard between a lower and a benching disposition of the moldboard, the benching disposition being higher than the lower disposition. The wing post includes a cylinder and a piston slidably disposed within the cylinder. A connecting rod has a first and a second end, with the first end being secured to the piston. The second end of the connecting rod is rigidly connected to the vehicle. The wing post also includes a further cylinder and a further piston slidably disposed within the further cylinder. A further connecting rod has a first and a second termination. The first termination is secured to the further piston and the second termination is connected to the inboard end of the moldboard. The cylinder and the further cylinder are rigidly secured to each other.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: March 29, 2005
    Assignee: Monroe Truck Equipment Inc.
    Inventor: Richard L. Feller
  • Patent number: 6513267
    Abstract: A snow removing machine equipped with a snow removing plate is disclosed. The snow removing plate is mounted to a front portion of a vehicle body which forms part of the snow removing machine. An operating handle having grip portions is mounted to a rear portion of the vehicle body and obliquely extends upward. A battery, an electric motor and a power transmission mechanism are located below a linear line intersecting between an upper end of the snow removing plate and the grip portion. This causes the battery, the electric motor and the power transmission mechanism to be located below a view line of an operator when he looks at the snow removing plate, avoiding the view line from being disturbed to allow the operator to look at the upper end of the snow removing plate in his working attitude for thereby providing ease of operation of the snow removing machine.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: February 4, 2003
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Isao Yoshida, Masakatsu Kono
  • Patent number: 6253470
    Abstract: An hydraulic and electrical control system are provided for an accessory unit such as a vehicle mounted V-plow blade snowplow.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: July 3, 2001
    Assignee: Douglas Dynamics
    Inventors: Gerald L. Depies, Jerald L. Plyer, Charles J. Solveson
  • Patent number: 6000150
    Abstract: An hydraulic and electrical control system are provided for an accessory unit such as a vehicle mounted V-plow blade snowplow.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: December 14, 1999
    Assignee: Douglas Dynamics, L.L.C.
    Inventors: Gerald L. Depies, Jerald L. Plyer, Charles J. Solveson
  • Patent number: 5899007
    Abstract: A plow assembly for vehicles such as pickup trucks and tractors for moving snow or other materials has at least one extendable, forwardly pivotable plow wing which is extendable on one end of a main plow by sliding movement along the front of the plow between a retracted and an extended position in which the plow wing is generally aligned with the plow front surface. The plow wing is also pivotally mounted on a hinge for movement between the extended position and a forwardly angled position in which the plow wing front surface extends at an angle to the plow front surface. A pair of fluid power cylinders are connected to the plow wing to move the wing between the retracted, extended and forwardly angled positions. In the preferred embodiment, an extendable plow wing is included on each end of the main plow with a pair of fluid cylinders connected to each of the respective plow wings.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: May 4, 1999
    Assignee: Blizzard Corporation
    Inventors: Cal G. Niemela, Philip J. Quenzi
  • Patent number: 5791072
    Abstract: An adjustable snowplow designed to remove snow and other materials from various surfaces by pushing the snowplow along the surface. The adjustable snowplow has a handle attached to twin, mirror imaged, curved, blades which are adjustably joined to each other at their respective inner end to form a unitary plow blade. The width or footprint of the plow can be adjusted by angling the blades closer or further from each other to plow a narrower or wider path depending on the task at hand. The symmetry of the blades about the length of the attached handle causes snow and other materials pushed by the plow to be distributed equally to either side of the plow.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: August 11, 1998
    Inventor: Michel Schbot
  • Patent number: 5638618
    Abstract: A plow assembly is disclosed for vehicles such as pickup trucks and tractors for moving snow or other materials. The plow assembly has at least one extendable, forwardly pivotable plow wing which is extendable on one end of a main plow by sliding movement along the front of the plow between a retracted and an extended position in which the plow wing is generally aligned with the plow front surface. The plow wing is also pivotally mounted on a hinge for movement between the extended position and a forwardly angled position in which the plow wing front surface extends at an angle to the plow front surface. A power source connected to the plow wing is operable to move the wing between the retracted, extended and forwardly angled positions. Preferably, a latch assembly prevents pivotal movement of the plow wing to the forwardly angled position until the plow wing is in the extended position.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: June 17, 1997
    Assignee: Blizzard Corporation
    Inventors: Cal G. Niemela, Eward R. Lahti, Terry L. Lahti
  • Patent number: 5511328
    Abstract: A hand-operated snow plow with adjustable blades for plowing snow comprising an elongated housing with a front end and a rear end; a pair of elongated and generally opposed blades each having an end pivotally coupled to the front end of the housing; a blade adjustment mechanism for allowing independent angular positioning and securement of each of the blades with respect to the front end of the housing for thereby enabling the blades to be placed in a plurality of plowing positions; and a rigid handle extended upwards from the housing for allowing a user a firm hold for plowing.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: April 30, 1996
    Inventors: Joseph C. Fingerer, Ephraim I. Alon
  • Patent number: 5485690
    Abstract: A lightweight snowplow configured of a number of small components, each easily lifted, moved, assembled, dis-assembled and stored by an average individual. The snowplow is especially suitable for use with small vehicles such as small trucks, utility vehicles and cars. The snowplow features novel alternate arrangements for operational lifting, stopping and lowering of the snowplow and a quick-hitch/release mechanism for easy plow attachment purposes. Finally, the mounting structure to which the plow is attached and detached is designed so as to be able to fit most small utility vehicles with two fore and aft frame chassis members and a frame mounted metal bumper without need for welding or special custom fit-up.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: January 23, 1996
    Inventor: James P. MacQueen
  • Patent number: 5285588
    Abstract: A winged plow for moving snow or other materials with a vehicle has a support frame pivotally connected with one end of a plow vehicle. An elongated plow blade having two opposing ends is pivotally connected with the terminal end of the support frame for generally horizontal rotation between a centered position with the plow blade oriented generally perpendicular to the support frame and an angled position with the plow blade rotated substantially away from the centered position. One of a pair of plow blade wings is pivotally connected at each of the opposing ends of the plow blade for rotation between a closed position in which the wings project generally forward, the wings and plow blade defining a generally U-shaped assembly, and an open position in which the wings project in generally opposite directions, away from each other, effectively extending the length of the plow blade.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: February 15, 1994
    Assignee: W. Wally Niemela
    Inventors: W. Wally Niemela, Philip J. Quenzi
  • Patent number: 5136795
    Abstract: A snow plow assembly has a frame with a rear portion adapted for attachment to a motor vehicle and a blade assembly adapted for rotation about a vertical axis with respect to the front portion of the frame. Two ends of a chain are attached to the blade assembly on either side of the vertical axis. The middle section of the chain can slide in a track (e.g. an arcuate tube) attached to the frame. The yaw angle of the blade is adjustably controlled by sliding the chain with respect to the track. Means are also provided for adjustably securing the chain to the track after the desired angle for the blade has been obtained. In addition, the blade assembly can include means for permitting rotation of said blade about a horizontal axis. In this embodiment, two lever arms extend upward from the blade assembly on opposite sides of the vertical axis. The upper end of each lever arm is attached to one end of the chain.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: August 11, 1992
    Inventor: Ivanhoe Rosenberg
  • Patent number: 5079866
    Abstract: A plow assembly useful for moving material from surfaces such as roadways in various selectable discharge directions includes a moldboard assembly and pivotable frame. The moldboard assembly is capable of being oriented in a right side discharge or a left side discharge in response to pivoting movement of the pivotable frame. A tripping mechanism is included to prevent damage of the plow assembly from obstacles located on the plowing surface. A cutting edge of the plow assembly is secured to the moldboard assembly by a wedge mechanism thus allowing quick cutting edge replacement.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: January 14, 1992
    Assignee: CIVES Corporation
    Inventor: Eugene A. Farrell
  • Patent number: 4976054
    Abstract: 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 motor vehicle which has an elevatable lifting point. The snowplow leveling device is mounted on the support bar of the reversing table. The leveling device may include two slider mechanisms mounted on support tracks located on opposite ends of the support frame of the reversing table. Positioning struts hingedly connect the slider mechanisms to the support frame. Additionally, a lifting chain connected at each end to the slidable mechanisms and in the middle to a lifting hitch attached to the support frame aids in maintaining the leveling position of the snowplow system of the present invention.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: December 11, 1990
    Inventor: Daniel K. Jones
  • Patent number: 4924610
    Abstract: This invention is to disclose and claim apparatus for a roadway snow plow attachment described as a cable mount disc or pulley mounted in a cable holder disc or pulley housing and a cable hanger yoke vertically hanging and attached to a hanger arm and a cable threaded on one loop around the cable mount disc or pulley and the eyes of the cable attached to the snow plow blade mount beam and the cable eyes attached to the plow blade mount beam at points or locations extending outwardly from the vertical center line of the snow plow blade.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: May 15, 1990
    Inventor: Wayne N. Sodemann
  • Patent number: 4910893
    Abstract: A manually operated implement for performing a variety of tasks when equipped with a removable and replaceable utility device, includes a wheeled chassis having an elongate, longitudinal, chassis structural member extending forwardly and rearwardly in the implement centrally of the width thereof and a transverse chassis structural member rigidly attached to the rearward end of said longitudinal chassis member. A pair of wheels are rotatably mounted at opposite ends, respectively, of the transverse chassis member. A slide member is mounted for sliding movement on the longitudinal chassis member and includes a clamping screw for clamping the slide in an adjusted position along such member. Handle structure, preferably of V-shape, is pivotally secured to the slide member and slopes upwardly and rearwardly with its upper, rearward end bifurcated to provide transversely spaced hand grips.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: March 27, 1990
    Inventor: Zane L. Asay
  • Patent number: 4821436
    Abstract: A high-performance plow system to be attached to a pickup truck or similar vehicle. The plow blade can be angled across the plowing surface and with respect to the motion of the vehicle up to about, it can roll to allow the blade to track changing pitch angles along the plowing surface contours. The blade has two protective mechanisms, the first one being an appropriately-designed rake angle scraper structure, disposed at the bottom edge of the plow blade, the second one being a mechanism which attaches the blade to an A-frame assembly (AFA) by pitch and shear pins. The shear pins break if too tall an object is hit and allow the blade to fall over the object. The pins allow 30 second removal/attachment of blade.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: April 18, 1989
    Inventor: Alexander H. Slocum
  • Patent number: 4804219
    Abstract: A snow shovel has a blade and a handle extending therefrom. A pair of rollers are mounted behind the lower edge of the blade by an upwardly extending support arm which is mounted on the handle for longitudinal and rotational adjustment.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: February 14, 1989
    Inventor: Clara Berg
  • Patent number: 4798011
    Abstract: A tractor side blade mount includes a control member, a blade holding bracket, a blade, a joint member for mounting the blade on the blade holding bracket, and a pair of hydraulically actuated arms for independently positioning the control member and the bracket. As a result of selected positioning of the control member and the bracket, the blade, which is mounted at one end of the bracket, may take up various angles, heights and lateral displacements with respect to the body of the tractor. The versatility in the movement of the blade results in an increased capability to grade earth, scrape dirt, or dig trenches alongside structures and in areas which would otherwise be out of reach of a conventionally equipped tractor.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: January 17, 1989
    Inventor: Charles R. Sprinkle
  • Patent number: 4754562
    Abstract: A snow plow assembly which can quickly and easily be attached to and detached from a variety of different type vehicles. The assembly including a tongue member pivotably connected to a bracket which in turn is attached to a plow blade. The tongue member having a coupling device on its other end for attachment to a vehicle while a stabilizer bar is also attached at one of its ends to the vehicle so as to prevent lateral movement of the assembly. The plow blade is locked at a desired angle by the insertion of a single pin member through a plurality of aligned holes formed in the stabilizer bar, tongue member, and the support bracket. Additionally, compression springs are used to allow the plow blade to tip with respect to the support bracket so as to insure that both the plow assembly and the vehicle are not subject to undue stress when the blade hits an immovable object.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: July 5, 1988
    Inventors: James E. McGarrah, Jack W. Kier
  • Patent number: 4619060
    Abstract: Coupling for a plow comprising, a pair of mounting tabs which are fixed to the rearward ends of a pair of arms which form part of a supporting frame for a plow. Each tab comprises a flat plate which includes an opening at the rear edge, a first slot which extends forwardly from the opening and which terminates in a forward edge and a second slot which extends rearwardly from the forward end of the first slot and which terminates in a rearward edge. The opening is adapted to receive a connecting pin of a push beam which is attached to the plow vehicle. The first slot is adapted to receive the pin, so that the pin rests against the forward edge when the plow is pushed forwardly by the plow vehicle. The second slot is adapted to receive the pin from the first slot so that the pin rests against the rearward edge when the plow is being pulled rearwardly by the plow vehicle.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: October 28, 1986
    Inventor: Leland P. Knowlton
  • Patent number: 4615130
    Abstract: The present invention relates to a snowplow blade to be attached to a small all terrain vehicle. The snowplow blade comprises a lower portion constituted by a rubber sheet, the bottom edge of which is urged forwardly by a ground-engaging bar biased forwardly by springs. The rubber sheet and the ground engaging bars are free to yield rearwardly against the springs, when sufficient resistance is encountered. The invention also pertains to an attachment for connecting the snowplow blade to a vehicle. The attachment is constituted by a frame having a main point of connection with the vehicle at the rear end thereof, the front end of the frame being suspended from the chassis of the vehicle. Also described is a removable scraping edge mounted to the lower edge of the rubber sheet.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: October 7, 1986
    Inventor: Gerald Racicot
  • Patent number: 4446639
    Abstract: An improved angling snow blade, of the type which pushes snow to the left or right as the supporting vehicle alternates directions across an area to be cleared, has a right (28) and left (29) side panel attached to hinge about the upper edge of the blade, whereby wider swaths can be taken as a result of either side panel blocking the snow from previously cleared areas. A removable bottom panel (31) hingedly attached at its leading edge to the lower leading edge of the side panels enables the improved blade to carry snow from one location and dump it in another and to pull snow away from vertical obstacles, particularly those surrounding corners.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: May 8, 1984
    Inventor: Donald L. Bohn
  • Patent number: 4383381
    Abstract: An improved front blade mounting arrangement for a tractor is disclosed which includes a blade assembly supported by a blade mount for pivoting movement of the blade assembly to change its working angle. A control arm extending from the blade mount to the control area of the tractor permits the operator to raise and lower the blade mount and blade assembly in unison. A self-actuating lock mechanism is provided for locking the blade assembly at the desired angle when the blade assembly and blade mount are in the lowered position, the lock mechanism including a pivotal lock bar which is substantially disengaged from the blade assembly when it is in the raised position so that the tractor operator may conveniently angularly reposition the blade assembly without leaving the operator's control area on the tractor.
    Type: Grant
    Filed: July 10, 1981
    Date of Patent: May 17, 1983
    Assignee: J. I. Case Company
    Inventor: James L. Wirsbinski
  • Patent number: 4369590
    Abstract: Scraper apparatus for being carried at the rear of a vehicle such as a light truck or the like includes an attachment frame adapted for being carried by the vehicle beneath its chassis thereof at the rear of the vehicle. A blade-carrying frame for carrying the blade at the rear of the vehicle is pivotally and detachably securable to the attachment frame at the rear of the vehicle by use of a securement frame or unit providing telescoping interengagement with the attachment frame, and pivotal interengagement with the blade-carrying frame to define a transverse pivot axis to permit pivoting of the blade-carrying frame upon the axis relative to the vehicle. A winch selectively raises or lowers the pivot-remote end of the blade-carrying frame under remote operator control. The blade is pivotally secured to the blade-carrying frame by a sleeve in which is rotatably journalled a shaft secured to the blade.
    Type: Grant
    Filed: December 3, 1980
    Date of Patent: January 25, 1983
    Inventor: Michael E. Miller
  • Patent number: 4354321
    Abstract: A snow attachment, as a blade, which may be selectively and readily positioned and secured onto a conventional road grader to permit the latter to provide multi-functional seasonal purposes. The snow blade, which is added to the front of the grader, is operated by hydraulically controlled power arms which normally serve lowering and lifting purposes for a conventional, but now-removed, known scarifier blade.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: October 19, 1982
    Inventor: Floyd V. Weatherholt