Augers On Separate Shafts Patents (Class 37/250)
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Patent number: 11015314Abstract: A snow thrower includes a first drive shaft enabled to rotate about a first axis; an auger having auger blades mounted to the first drive shaft, a second drive shaft enabled to rotate about a second axis, an impeller having an impeller base mounted to the second drive shaft and impeller blades where the second axis and the first axis are perpendicular to each other, a walking wheel assembly, a first motor configured to drive the walking wheel assembly to rotate, a second motor configured to drive the auger to rotate about the first axis and drive the impeller to rotate about the second axis, a first reduction assembly including first-type gears for realizing power transmission between the second motor and the second drive shaft, and a second reduction assembly including second-type gears for realizing power transmission between the second drive shaft and the first drive shaft.Type: GrantFiled: October 22, 2020Date of Patent: May 25, 2021Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Toshinari Yamaoka, Fangjie Nie, Huixing Fu
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Patent number: 10208444Abstract: A snow thrower may include an auger housing; and an auger flight assembly. The auger flight assembly may include a drive shaft rotatable about an axis and helical blades and helical pliable flights, wherein the helical blades and the helical pliable flights alternate with one another along an axial length of the drive shaft.Type: GrantFiled: May 1, 2017Date of Patent: February 19, 2019Assignee: Briggs & Stratton CorporationInventors: James W. Mast, Peter C. Jerger, Jorge A. Colmenero, James J. Dimsey, Samuel J. Gerritts
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Patent number: 10208443Abstract: A multiple-stage snow thrower having a housing, a power supply operatively connected to a plurality of drive shafts for rotating a plurality of stage assemblies. Each stage assembly of the multiple-stage snow thrower is configured to move snow either axially along the axis of rotation or radially away from the axis of rotation. The first stage assembly is configured to expel snow from the housing, thereby throwing the snow away from the snow thrower. The second, third, and fourth stages assemblies are configured to push the snow toward the longitudinal centerline of the housing and then rearwardly toward the first stage assembly.Type: GrantFiled: May 17, 2018Date of Patent: February 19, 2019Assignee: MTD PRODUCTS INC.Inventors: Jimmy N. Eavenson, Sr., Axel Schaedler
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Patent number: 9663909Abstract: A snow thrower comprises an auger housing and an auger flight assembly. The auger flight assembly comprises a helical auger flight blade and a helical pliable flight extending radially beyond the helical auger flight blade.Type: GrantFiled: July 17, 2013Date of Patent: May 30, 2017Assignee: Briggs & Stratton CorporationInventors: James W. Mast, Peter C. Jerger, Jorge A. Colmenero, James J. Dimsey, Samuel J. Gerritts
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Publication number: 20150068074Abstract: A snow thrower comprises a main auger having a first diameter, an auxiliary auger above the first auger and an impeller. In one implementation, the impeller has a second diameter greater than the first diameter.Type: ApplicationFiled: November 13, 2014Publication date: March 12, 2015Inventors: James W. Mast, Samuel J. Gerritts
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Publication number: 20150033590Abstract: An auger snow-removing machine includes left and right forward rotation augers rotatable in a first direction during snow removal and left and right reverse rotation augers rotatable in a second direction opposite the first direction during the snow removal. The forward and reverse rotation augers are coaxially disposed in alignment in a width direction of an auger housing within the housing. Distal ends of the left forward rotation auger and the right reverse rotation auger have phases set to substantially simultaneously reach a lowermost location when the forward and reverse rotation augers rotate. Distal ends of the right forward rotation auger and the left reverse rotation auger have phases set to substantially simultaneously reach the lowermost location when the forward and reverse rotation augers rotate.Type: ApplicationFiled: August 1, 2014Publication date: February 5, 2015Inventors: Fumiyoshi Kanbara, Kouhei Matsuzawa, Atsushi Moroi
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Publication number: 20140360057Abstract: A three-stage snow thrower having a housing, a power supply operatively connected to said housing, a longitudinal drive shaft extending from the power supply into the housing, and a lateral drive shaft extending rotatably attached to opposing side walls of the housing and being meshingly engaged with the longitudinal drive shaft within a gear assembly. The power supply drives the longitudinal drive shaft, thereby causing the longitudinal drive shaft to rotate, and at least a portion of such rotation is transferred to the lateral drive via a gear assembly. The first stage assembly includes a plurality of augers attached to the lateral drive shaft, wherein the first stage assembly pushes loosened snow axially toward the gear assembly. The second stage assembly includes at least one auger attached to the longitudinal drive shaft, wherein the second stage assembly pushes the snow from the first stage assembly axially rearward in a transverse manner relative to the first stage assembly.Type: ApplicationFiled: August 25, 2014Publication date: December 11, 2014Inventors: Ryan Cmich, Tim Dilgard, Jimmy N. Eavenson, SR., Dave Hein, Joe Jocke, Amit Saha
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Publication number: 20140237863Abstract: A snowblower assembly for removing snow from a paved surface, such as roadways and airport runways. The snowblower assembly includes a snowblower assembly that defines an open interior that encloses a pair of rotating side augers and a rotating impeller. The snowblower housing includes a lower leading edge that is recessed behind the blade tips of the rotating impeller. The sidewalls of the snowblower housing each include a recessed lower sidewall edge to reduce the buildup of snow within the snowblower housing. A side plate extension is mounted to each of the sidewalls to modify the volume of the open interior defined by the snowblower housing to accommodate different types of snow.Type: ApplicationFiled: February 27, 2013Publication date: August 28, 2014Applicant: WAUSAU EQUIPMENT COMPANY, INC.Inventors: Rodney C. Winter, Ted N. Tadysak, Josh Heinz, Hector Baez, Peter Tiffe, Alan Fillman
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Publication number: 20120192464Abstract: A snowblower for removing snow from a paved surface, such as roadways and airport runways. The snowblower includes a blower assembly having a blower housing that encloses a pair of rotating side augers and a rotating impeller. The blower housing includes an upper hood. The upper hood is angled from a trailing edge to a leading edge such that the angled upper hood provides enhanced visibility of the operator of the snowblower. Each of the side augers is driven by a hydrostatic drive motor that is positioned above the upper hood to remove the drive motors from within the open interior of the blower housing. The drive motors are driven from a power source separate from the power source used to rotate the impeller. The lower, leading edge of the blower housing includes a V-shaped lower edge to further enhance the direction of snow into the blower housing.Type: ApplicationFiled: January 31, 2012Publication date: August 2, 2012Applicant: WAUSAU EQUIPMENT COMPANY, INC.Inventors: Rodney C. Winter, Luther E. Esselstrom, Alan Fillman, Peter Tiffe
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Patent number: 7848248Abstract: A method and apparatus enabling the measurement of one way delay in each of the two directions of transmission from a single location are disclosed. The method measures a first roundtrip delay at a first location between a first endpoint and a second endpoint over a first communication network, and measures a second roundtrip delay between a third endpoint and a fourth endpoint over a second communication network with symmetric delay characteristics. The method performs synchronous recordings of a test signal that is sent simultaneously from the second endpoint to the first endpoint and from the fourth endpoint to the third endpoint, to measure an arrival time (t1) of the test signal over the first communication network, and, an arrival time (t2) of the test signal over the second communication network t2, where the arrival times (t1) and (t2) are used to calculate an one way transmission delay in the first communication network.Type: GrantFiled: February 21, 2008Date of Patent: December 7, 2010Assignee: AT&T Intellectual Property I, L.P.Inventor: Wallace Smith
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Patent number: 6860041Abstract: A snow removal machine has first and second augers mounted on respective auger shafts. Each of the first and second augers has an outer helical auger blade, an intermediate helical auger blade and an inner helical auger blade. The outer helical auger blade and the inner helical auger blade of each of the first and second augers are disposed along a common first helical path and are spaced-apart from one another along a rotational axis of the corresponding auger shaft. The intermediate helical auger blade of each of the first and second augers is disposed along a second helical path angularly shifted substantially 180 degrees with respect to the first helical path.Type: GrantFiled: January 21, 2004Date of Patent: March 1, 2005Assignee: Honda Motor Co., Ltd.Inventors: Seishu Sakai, Nobuo Yamazaki, Tosao Satake
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Patent number: 6643958Abstract: A snow throwing shovel device for easily removing snow from narrow sidewalks and from steps where a conventional snow blower cannot be used. The snow throwing shovel device includes a scoop assembly including a housing having top, bottom, side, and back walls, and also having an open front; and also includes an elongate chute being attached to the scoop member and through which snow is moved; and also includes a discharge spout being rotatably mounted to the elongate chute; and further includes handle members being attached to the elongate chute; and also includes an assembly of picking up snow and moving snow through the elongate chute.Type: GrantFiled: May 7, 2002Date of Patent: November 11, 2003Inventor: Raymond E. Krejci
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Patent number: 5398432Abstract: An endless spiralling screw for a snowblower comprising a rotatable elongated shaft, to be power driven; a first, elongated, rigid sheet, integrally mounted to the shaft at a radially inward edge of the sheet and spiralling along the lengthwise axis of the shaft, the main portion of the sheet having a substantially straight section, the external marginal portion of the sheet being folded relative to the main portion thereof, the plane of the main portion being located downstream relative to the direction of rotation of the endless screw; reinforcing struts being anchored to the spiral sheet and having a smaller external diameter than the spiral sheet, and being fixedly connected thereto short of but proximate to the radially outward edge of the spiral sheet and fixedly secured to the shaft at its radially inward edge at an area spaced from the securing area of the radially inward edge of the spiral sheet to the shaft; and counterweights, located inside the hollow of the spiral and integral to a portion of theType: GrantFiled: May 14, 1993Date of Patent: March 21, 1995Assignee: Vohl (1992) Inc.Inventor: Jean-Rene Vohl
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Patent number: 5353881Abstract: A gardening utility machine having a counter-rotation twin shaft system can perform multiple types of work required for gardening (tilling, soil removal, weeding, raking and shredding of leaves), snow/ice removal and for power de-thatching and mowing of lawn grass. This can be done by exchanging attachments on the counter-rotating twin shafts: if tines are installed on the twin shafts, soil tilling, weeding can be done; if auger blades with or without digging bits are in place instead, the machine can simultaneously till and remove soil or can remove ice/snow, or rake and shred leaves; if the front shaft is installed with a spiked roller and the rear shaft, a shearing reel, then the machine can power de-thatch and mow grass at the same time, and additional grass clipping mulching ability can be performed if a fan blower equipped with a mulching fan blade and a retractable bedknife is in place.Type: GrantFiled: July 6, 1993Date of Patent: October 11, 1994Inventors: Kai S. Lee, Esther W. Lee
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Patent number: 5224552Abstract: A gardening utility machine having a counter-rotation twin shaft system can perform multiple types of work required for gardening (tilting, soil removal, weeding, racking and shredding of leaves), snow/ice removal and for power de-thatching and mowing of lawn grass. This can be done by exchanging attachments on the counter-rotating twin shafts: if tines are installed on the twin shafts, soil tilling, weeding can be done; if auger blades with or without digging bits are in place instead, the machine can simultaneously till and remove soil or can remove ice/snow, or rack and shred leaves; if the front shaft is installed with a spiked roller and the rear shaft, a shearing reel, then the machine can power de-thatch and mow grass at the same time, and, additional grass clipping mulching ability can be performed if a fan blower equipped with a mulching fan blade and a retractable bedknife is in place.Type: GrantFiled: November 7, 1991Date of Patent: July 6, 1993Inventors: Kai S. Lee, Esther W. Lee
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Patent number: 5127174Abstract: An improved snow thrower and specifically an improved blower therefor that improves efficiency and reduces the likelihood of snow accumulation. The blower casing is connected to the auger housing by an exit opening that is disposed and sized so that snow blown by the blower will not reenter the auger housing. The peripheral edge of the blower casing is curved so as to reduce the likelihood of snow accumulation.Type: GrantFiled: March 22, 1989Date of Patent: July 7, 1992Assignee: Yamaha Hatsudoki Kabushiki KaishaInventor: Masatoshi Takeshita
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Patent number: 5101911Abstract: A rotor tiller having a counter-rotating twin shaft system and counter-rotating digging means such as tines, paddles, or blades for efficient tilling of soil. In another embodiment, the tines on the twin shafts can be replaced by counter-rotating helical auger blades for removal of loose soil or snow. Furthermore, digging bits of suitable kind and size can be affixed to the helical auger blades for simultaneous digging/tilling and removing of soil, snow. This new design eliminates many problems associated with conventional tillers and increases the utility of the subject tiller.Type: GrantFiled: March 20, 1991Date of Patent: April 7, 1992Inventors: Kai S. Lee, Esther W. Lee
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Patent number: 4651452Abstract: A snow remover to be used in connection with a truck or other suitable vehicle. The apparatus comprises a snow container which moves on the ground scooping up snow like a snow shovel and is provided with at least one spiral conveyor and a discharge pipe. The snow gathered in the snow container by the spiral conveyor is let out through the discharge pipe, which pipe is provided with a choker. The spiral conveyor (3) is installed within the snow container (1) in a vertical position so that only its bottom part (31) is attached to the snow container. The spiral conveyor (3) has a conical form and is fitted within a conical sheath (5). The top part of the sheath thus forms the choker (52), which is connected to the bottom part (41) of the discharge pipe. The discharge pipe (4) has a cross-sectional area larger than that of the choker (52). The discharge pipe (4) is curved, and its radius of curvature (R) is constant. The discharge pipe (4) is formed of two parts, i.e.Type: GrantFiled: May 22, 1985Date of Patent: March 24, 1987Assignee: Kuuslahden Konepaja OyInventor: Voitto L. S. Husso
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Patent number: 4592156Abstract: A snowblower for use particularly with wet and heavy snow formed by a precutting device (8) which rotates about the axis of a blower wheel (4) and is situated in front of the blower wheel in the snow clearing direction. Also included are worm gears (2,3) which rotate about vertical axes and are disposed on both sides in front of the blower wheel (4). The precutting device (8) has radial cutting arms (9) with radii corresponding to the radius of the blower wheel (4). The rotational bodies formed by the precutting device and the worm gears interact with one another without contact.Type: GrantFiled: June 24, 1985Date of Patent: June 3, 1986Assignee: Ing. Alfred Schmidt GmbHInventor: Alfred Schmidt
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Patent number: 4477988Abstract: A snow blower operatively carried at the end of a carrier vehicle and characterized by its construction to minimize maintenance and downtime at least of the snow blower as a whole. This snow blower is of modular construction, allowing to readily separate a front snow-blowing module from a rear motor module to readily repair the front and rear modules. This also facilitates construction of the rear module with different kinds of engines and adapt these different rear motor modules to the standard front module. The snow blower also includes a drive train conveniently including a frangible coupling, for safety, with that coupling exteriorly extending for readily replacement of the shearable safety bolts in it and for corresponding convenient maintenance.Type: GrantFiled: November 17, 1983Date of Patent: October 23, 1984Inventor: Paul-Eugene Vohl
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Patent number: 4478520Abstract: A compost turning machine which travels along the ground and straddles a compost windrow, and which carries a rotating drum for turning the composting material. An adjustable auger system is located outboard and ahead of the rotating drum to collect composting material and deposit it in the path of the rotating drum. Each auger is independently driven by a hydraulic motor and can be individually raised or lowered as required.Type: GrantFiled: October 1, 1982Date of Patent: October 23, 1984Inventor: Herbert T. Cobey
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Patent number: 4443958Abstract: A means for removal of snow and/or ice from a road or other equivalent area, meant to be attached to a work machine, said means comprising a helical cutter (10) disposed substantially transversally to the direction of travel of the work machine, a drive means (11) for rotating the cutter about its central axis (12), and members (6,7,8) for collecting the material detached by the cutter (10) and for their removal from the ground and transportation onto a load platform (9). The object is to eliminate the drawback encountered in means of this kind that it is not possible with them to remove the snow and ice simultaneously from the carriage-way and pavements and from behind traffis signs, posts and other similar obstacles.Type: GrantFiled: April 22, 1982Date of Patent: April 24, 1984Inventor: Veijo E. Huotari
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Patent number: 4404763Abstract: A rotary snow plough vehicle having an auxiliary auger pivotable along a vertical plane perpendicular to the advancing direction of the vehicle. The auxiliary auger is rotatably secured about its axis by a supporting arm through bearings. Said supporting arm is positioned above a main auger and is swingable about a central shaft extending in parallel with the advancing direction of the vehicle. A tiltable cylinder is pivotably disposed between a frame and the supporting arm. By the extension and retraction of a piston rod of the cylinder, the supporting arm together with the auxiliary auger are swingably movable about the central shaft. The central shaft is extended from a deceleration means adapted to transmit the rotation of the main auger to the auxiliary auger. The auxiliary auger can be further provided with an extension auger in alignment therewith.Type: GrantFiled: November 25, 1981Date of Patent: September 20, 1983Assignee: Niigata Engineering Co., Ltd.Inventors: Takashi Sakano, Mikio Igarashi
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Patent number: 4385457Abstract: A snow caster for use as a snow blower is disclosed having auger units which rotate and propel snow toward a fan rotating at a higher speed to propel the snow out of the snow caster. The fan is fixed on a drive shaft which extends within the auger units and is operably connected to the auger units by a speed reduction means.Type: GrantFiled: October 8, 1981Date of Patent: May 31, 1983Assignee: J. I. Case CompanyInventor: Mark R. Fralish
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Patent number: 4346527Abstract: Snow removal apparatus has a housing open at its front end in which a central fan blower is mounted. Mounted to the housing forwardly of and flanking the central fan are a pair of vertically rotating clearing screws. Each of the screws is also provided with a deflector which is movable in a circular path concentric with the axis of rotation so as to provide a selectively positionable backing or rear wall therefor.Type: GrantFiled: February 25, 1981Date of Patent: August 31, 1982Assignee: Alfred Schmidt, GmbHInventor: Alfred Schmidt