Abstract: A snow plow-blower operates as a snow plow, snow blower/thrower or as a snow plow-blower combination. The snow plow-blower includes a plow head blade and at least one blower door. The cavity contains a snow moving means, single, dual, or multi staged, for moving snow, ice and other materials out through at least one discharge chute and/or at least one opening. The blower door is adapted to move to a partially open configuration to expose the cavity, and from the partially open configuration to a partially closed configuration to thereby decrease snow, ice and other material ingress into the snow blower unit. Preferably, at least one retractable and extendable wing is located on the plow head blade to advantageously provide varying closed and open extended position configurations or positions for the removal of snow, ice or other material and debris.

Abstract: A rotary broom assembly is provided for use with a vehicle to reduce the accumulation of ice and snow on the rotary broom assembly when clearing paved surfaces, such as airport runways. The rotary broom assembly includes one or more wiper assemblies that are mounted for reciprocating movement along a broom hood. The broom hood includes a generally flat top surface and the wiper assemblies move along the top surface to clear snow and ice from the top surface of the broom hood. During forward movement of the wiper blade, the scraping edge of the wiper blade contacts the top surface of the broom hood to remove accumulated ice and snow. During the reverse movement of the wiper blade, the scraping edge of the wiper blade is lifted from the top surface to reduce removal of accumulated ice and snow during the reverse movement.

Abstract: The invention relates to a skid segment (10) for an edge protection (5) on a road milling machine or similar ground processing machine having a base part (11) and at least one first skid section (12) mounted thereupon, wherein the first skid section (12), in a first operating position of the base part (11), can be directed in direction (A) onto the surface of the road or ground. At least one second skid section (13) is mounted on the base part (11), which, in a second operating position of the base part (11), can be directed in direction (A) onto the surface of the road or ground. The invention further relates to an edge protection for a road milling machine or similar ground processing machine having skid segments of this kind, wherein the edge protection has an edge which is designed to receive at least one skid segment.

Abstract: A rotary broom assembly is provided for use with a vehicle to reduce the accumulation of ice and snow on the rotary broom assembly when clearing paved surfaces, such as airport runways. The rotary broom assembly includes one or more wiper assemblies that are mounted for reciprocating movement along a broom hood. The broom hood includes a generally flat top surface and the wiper assemblies move along the top surface to clear snow and ice from the top surface of the broom hood. During forward movement of the wiper blade, the scraping edge of the wiper blade contacts the top surface of the broom hood to remove accumulated ice and snow. During the reverse movement of the wiper blade, the scraping edge of the wiper blade is lifted from the top surface to reduce removal of accumulated ice and snow during the reverse movement.

Abstract: A walk power mower has a traction drive system that includes a front transmission powering a pair of front wheels and a rear transmission powering a pair of rear wheels. A first one of the transmissions provides forward motion of the mower when it is active and a second one of the transmissions provides rearward motion of the mower when it is active. A slidable handle grip on the handle having a cross bar long enough to be gripped by both hands of the user activates the first one of the transmission when it is slid downwardly on a handle out of a neutral position thereof. The slidable handle grip activates the second one of the transmissions when it is slid upwardly on the handle out of the neutral position.

Abstract: 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.

Abstract: A cordless electric snow thrower is disclosed having a separate and distinct battery housing containing a battery being positioned on a handle of the cordless snow thrower. The cordless snow thrower may include an electronic controller that allows a user to rotate a chute of the cordless snow thrower to alter a direction in which snow is thrown. The cordless snow thrower may also include a light that provides sufficient light to allow the user to use the cordless snow thrower at night to clear snow. The placement of the battery housing provides balance to the cordless snow thrower and allows power to be provided to all of the electronic devices and components of the cordless snow thrower.

Abstract: An ice breaking machine has a frame adapted to be mounted on a vehicle, and two subframes rotatably connected thereunder. The subframes in turn carry axles on which are mounted a plurality of wheel assemblies each composed of a wheel with six point mounts carrying six standard heavy equipment teeth. The wheels are keyed to the axle, with a mathematical relationship between the angles of the keyways of adjoining wheels so that the teeth of each wheel are slightly out of line with the teeth of the wheels on either side.

Abstract: A snow plow-blower operates as a snow plow, snow blower, or as a snow plow-blower combination. The device includes a plow head blade optionally having retractable/pivotal scoop wings and a cavity with an aperture with blower doors and a blower unit. The snow blower unit includes an auger and impeller to move snow into the unit and force it out of a discharge chute. Blower doors are provided over the snow blower unit cavity to prevent snow from entering into the cavity when the blower is off. Optionally, the blower doors move along a track and rest flush against the plow head to open and close off access to the cavity. Alternatively, the blower doors are hingedly mounted to pivot to open and closed positions. The blower doors may be constructed to operate as blower blades to direct snow into the blower unit; alternatively, separate blower blades are provided to optimize snow removal and mitigate jamming/clogging.

Abstract: A caster wheel assembly is disclosed for a snowblower wherein a pair of caster wheel assemblies are secured to the opposite sides of the auger housing of the snowblower in a manner wherein the caster wheels thereof are positioned inwardly of the sides of the auger housing and are positioned rearwardly of the rearward end of the auger housing.

Abstract: A combination snow blower and plow apparatus provides at least two operating configurations including a standard-width snow blowing configuration, and a snow plowing configuration. The apparatus includes a snow plow assembly coupled to a snow blower mechanism, the plow assembly being movable between a lowered deployed position for engaging snow, and a raised undeployed position for disengaging the plow assembly from the snow. In the plowing configuration, snow plow blades may be laterally extended to increase the width of a path cleared by the apparatus. Optionally, in the increased-width configuration, the apparatus may provide a pure plowing function, or may provide a combined plowing and snow-blowing function. The movable blades may be supported in their laterally-extended positions by struts, which support the blades as they are moved through an accumulation of snow or debris. Optionally, the snow plow assemblies may be configured as a kit for retrofitting existing snow blowers.

Abstract: A material dispenser that may be used with a snow removal machine is comprised of a container, broadcaster actuator, and broadcaster in one embodiment. The material dispenser allows the operator to broadcast dry treatment material from a container mounted to the snow removal machine regardless of whether the precipitation engaging member of the snow removal machine is operating. The broadcaster actuator operates to cause the treatment material to be placed on or adjacent the path of the snow removal machine. The broadcast actuator may be positioned on a handle member of the snow removal machine so that it is convenient for the operator to engage the broadcast actuator while operating the snow removal machine or when the precipitation engaging member is not removing precipitation. A slide gate may be used to throttle the volume of treatment material exiting the container, and a slide gate actuator may be remotely mounted.

Abstract: A combination snow blower and plow apparatus provides at least two operating configurations including (i) a standard-width snow blowing configuration, and (ii) an expanded-width plowing and blowing configuration. Optionally, the apparatus may further be capable of an expanded-width snow plowing configuration. In some embodiments, the apparatus includes a pair of snow-pushing plate assemblies that are pivotably attached to a snow blower mechanism, and are repositionable or reconfigurable to provide different plowing or blowing configurations, such as by directing snow into a snow blower intake or by pushing an accumulation of snow ahead of the blower mechanism. In other embodiments, the apparatus includes a pair of removable snow-pushing wings. The snow-pushing plate assemblies may be configured as a kit for retrofitting existing snow blowers. Optionally, inlet-blocking plates may be used to block the snow blower intake and form a substantially continuous plow across the front of the snow blower mechanism.

Abstract: A material dispenser that may be used with a snow removal machine is comprised of a container, broadcaster actuator, and broadcaster in one embodiment. The material dispenser allows the operator to broadcast dry treatment material from a container mounted to the snow removal machine regardless of whether the precipitation engaging member of the snow removal machine is operating. The broadcaster actuator operates to cause the treatment material to be placed on or adjacent the path of the snow removal machine. The broadcast actuator may be positioned on a handle member of the snow removal machine so that it is convenient for the operator to engage the broadcast actuator while operating the snow removal machine or when the precipitation engaging member is not removing precipitation. A slide gate may be used to throttle the volume of treatment material exiting the container, and a slide gate actuator may be remotely mounted.

Abstract: A combination device (1) is provided for carrying out various work tasks, such as cutting snow, mowing, scarifying, soil breaking or the like. The device includes a plurality of interchangeable work implements (60) tailored to the respective work task. A basic frame is provided in which the respective work implement (60) is accommodated and can be driven to rotate, and wherein the respectively installed work implement (60) is partially enclosed by a housing (23) extending parallel to the axis of rotation of the work implement. In order to tailor the combination device optimally to the respective work task, provision is made for the housing (23) to be able to rotate about an axis parallel to the axis of rotation of the respective work implement (60) and to be fastened in various operating positions corresponding to the respective work task.

Abstract: In the case of a centrifugal ejector with a centrifugal wheel which has at least one ejection lever, is mounted in a housing having an ejection opening and can be driven such that it rotates, the at least one ejection lever is fixed pivotably on the centrifugal wheel, and a mechanism is provided for changing of the pivoting angle of the ejection lever as a function of the angle of rotation of the centrifugal wheel.

Abstract: A combination device (1) is provided for carrying out various work tasks, such as cutting snow, mowing, scarifying, soil breaking or the like. The device includes a plurality of interchangeable work implements (60) tailored to the respective work task. A basic frame is provided in which the respective work implement (60) is accommodated and can be driven to rotate, and wherein the respectively installed work implement (60) is partially enclosed by a housing (23) extending parallel to the axis of rotation of the work implement. In order to tailor the combination device optimally to the respective work task, provision is made for the housing (23) to be able to rotate about an axis parallel to the axis of rotation of the respective work implement (60) and to be fastened in various operating positions corresponding to the respective work task.

Abstract: A convertible yard tool is disclosed having an implement connected for rotation within a housing, wherein the implement and housing are operated relative to a ground surface in either a snow throwing orientation or a sweeping orientation. When operated in the snow throwing orientation and with the implement being a snow throwing impeller, the yard tool can be used to remove snow from a surface. When operated in the sweeping orientation and with the implement being a broom, the yard tool can be used to move debris from a surface to be cleaned. An adjustable handle may be provided to facilitate movement of the yard tool across various surfaces.

Abstract: A snow removal machine including a housing with a forward opening through which snow enters the snow removal machine. At least one rotatable member is positioned and rotatably secured within the housing for engaging and eliminating the snow from within said housing. The snow removal machine also includes a surface treatment application system with a treatment material dispensing system connected to the housing for dispensing a liquid or solid deicer and/or anti-icing treatment material over an area from which snow has been removed.

Abstract: An auger device of a snow removal machine in this invention has left and right augers and left and right driving tines mounted on left and right auger shafts, respectively. Each auger has an outer auger blade, an intermediate auger blade and an inner auger blade each mounted at one end on the left or right auger shaft. The outer auger blade and inner auger blade are arranged along a first helical path. The intermediate auger blade is arranged 180° out of phase with the first helical path. The left and right driving tines bite into snow, thereby serving as anchors for preventing lifting of the left and right augers.

Abstract: A snow removal machine of this invention has a blower provided in a blower housing for throwing up snow collected by an auger toward a chute. The blower has a plurality of supporting members provided on a drive shaft for rotating the auger and the blower and a plurality of throwing-up blades attached to the respective supporting members. The throwing-up blades are elastically deformable. A vacant space is formed between the supporting members and the throwing-up blades. The vacant space allows deformation of the throwing-up blades in a direction opposite to the rotation direction of the blower.

Abstract: An auger device of a snow removal machine includes left and right augers mounted on left and right auger shafts, respectively. Each auger has an outer auger blade, an intermediate auger blade and an inner auger blade each mounted at one end to the left or right auger shaft. The outer auger blade and inner auger blade are positioned along a first helical path. The intermediate auger blade is phase-shifted 180° with respect to the first helical path.

Abstract: A snow removal machine of this invention has an upper cover portion and a lower cover portion of upper and lower split halves. The upper cover portion is removable from the lower cover portion. The upper cover portion covers components such as an engine, oil filler, fuel cock, spark plug and battery. These parts are exposed by removing the upper cover portion.

Abstract: A molded trenching tooth has a bracket (A) for attachment to a driven trenching member and carries a body having an outwardly inclined lower portion (B) and inwardly extending upper portion (C) that are joined by a curved intermediate portion integrally connecting the body members. A forward edge (D) is provided for facilitating entry of the tooth into the earth while at least one additional groove (E) in the body is aligned with the forward edge (D) providing a next successive edge of a new tooth formed thereby when the forward edge of the body wears away.

Abstract: A snow blower, vehicle having a blower engine and a propulsion engine is provided with a drvice for limiting the speed of operation of the snow blower vehicle if the blower engine is overloaded. A first signal is transmitted to the propulsion engine when the blower engine is overloaded and a second signal is transmitted to the propulsion engine when the blower engine is no longer being overloaded. The first signal may be provided to the propulsion engine to automatically limit the output thereof or it may be provided to generate an operator perceptible warning to the operator of the vehicle. The second signal may be provided to the propulsion engine to discontinue the limitation of the output of the propulsion engine or to stop the generation of the warning. A method of improving snow blower performance by increasing the ability of the blower engine to blow snow by limiting the output of the propulsion engine.

Abstract: A tunnel excavating machine is disclosed. An excavating machine body can be moved forward by shield jacks. A rotatable cutter head is mounted in a front portion of the excavating machine body. An erector device for assembling segments in a ring form is mounted in a rear portion of the excavating machine body. A rest extends rearward from the rear portion of the excavating machine body. A shape retainer for making pressurized contact with inner peripheral surfaces of the assembled segments to retain the segments in a predetermined shape is supported on the rest so as to be movable along a fore-and-aft direction. Also, a revolving frame is located between the erector device and the shape retainer, and supported on the rest so as to be movable along the fore-and-aft direction such that the revolving frame does not interfere with the erector device and the shape retainer. A cage is supported on the revolving frame so as to be revolvable in a circumferential direction of an existing tunnel.

Abstract: A walk-behind self-propelled implement, such as a snow thrower or lawnmower, for example, is provided. The implement includes first and second transmission modules associated with a common single axle to which a pair of drive wheels is attached. The first and second transmission modules are operable exclusively with respect to one another to drive the axle and the wheels in a forward and reverse direction, respectively. A control member mounted to the handle of the implement includes a forward bail member pivotable to rotate the control member in a first direction to urge the wheel to rotate in a forward direction, and a reverse bail member pivotable to rotate the control member in a second direction opposite the first direction to urge the wheel to rotate in a reverse direction.

Abstract: The invention relates to a snow grooming device, which can be attached to a tool carrier in the front or back of a snow grooming vehicle and which is provided with a snow conditioning tool that can be coupled to the tool carrier, and with a tiller unit on the same side of the vehicle. To create a better application potential for conditioning the snow base with this snow grooming device, in spite of its simple design and simple operation, it is suggested according to the invention that the tiller unit is designed as an exchangeable adapter separate from the conditioning tool, and that it can be separately coupled to and uncoupled from the vehicle.

Abstract: A driving or mining machine includes a pivotable cantilever arm that is hinged so as to be pivotable in the height direction to a pivoting mechanism capable of being pivoted about a substantially vertical axis and on its free end carries rotationally mounted excavation tools, in particular cutter heads. It further includes a traveling mechanism and a frame carrying the traveling mechanism, on which frame a haulage device and a suction device as well as anchor boring and setting devices are arranged. The frame carrying the traveling mechanism on its side facing away from the cantilever arm behind the pivoting mechanism is designed as a lowered platform. The anchor boring and setting device is arranged substantially in the longitudinal center of the frame above the platform and pivotally mounted on a rollover whose pivot axis crosses the vertical axis of the pivoting mechanism.

Abstract: A power transmission system for a working machine, wherein drive power is transmitted from an engine to a work-tool holding drive shaft via a reduction mechanism is provided. The reduction mechanism includes an input shaft having a first gear, and an output shaft having a second gear. The second gear has a gear portion and a cylindrical boss segment press fitted thereto, forming a torque limiter. As a result, the reduction mechanism, which has the torque limiter, has a simplified structure, enabling easy assemblage.

Abstract: A snow blower converter kit is provided for use with a snow blower. Such kit includes a mulcher blade and a squirrel cage adapted for being removably mounted on a drive shaft of the snow blower in concentric relationship between the conduit and the tines of the snow blower. Also included is a cover adapted for being removably mounted on the shield with a slot formed in a lower portion thereof for accepting leaves and the like therethrough.

Abstract: A device is disclosed, for use with a snow blower being of the type having an auger, and allow it to operate while moving backwards. The device principally consists of a concave blade mounted on a snow blower, which pivots between an operative position where the blade extends close to ground and the concave surface of the blade extends in front of the auger in such a way that the blade scrapes the snow and directs it towards the auger when the snow blower is lifted up to let the snow pass under it and moves backwards, and an inoperative position where the blade is raised to a height sufficient to let the snow reach the auger when the snow blower moves forwards. A snow blower equipped with a device as defined above, for operating while moving backwards, is also disclosed as well as a method for blowing snow with a snow blower equipped with that device.

Abstract: A snow thrower machine having an axle driving unit comprising a housing, consisting of a front housing and a rear housing and containing an axle. Disposed in the housing are a hydraulic pump, which receives power from an engine, a hydraulic motor, which is driven by pressurized oil received from hydraulic pump and a center section, having a pump mounting surface parallel to a joint surface between the front housing and the rear housing. The axle is supported by the front housing below the hydraulic pump and a parking brake system for the axle driving unit is disposed above an expanded portion of the front housing, which contains the axle. The parking brake system is constructed so that a lock pin, supported by the housing, can be engaged with a lock member, fixed onto a motor shaft of the hydraulic motor.

Abstract: A piste-preparation device for preparing a half-pipe comprises at least one tool adjustably mounted on a piste vehicle, and lateral members which are laterally disposed relative to the tool and can essentially be assigned to side walls of the half-pipe. To prepare a half-pipe even in cases where the surface is hard and, at the same time, to remove a large amount of material, in particular from the half-pipe side walls, each lateral member comprises removal means designed with removal tools which can move substantially transversely to the direction of travel of the piste vehicle.

Abstract: A new windrow auger composter that is adapted for attachment to the blade of a tractor for breaking up, aerating, and rebuilding a windrow. The inventive device includes a housing adapted for attachment to the blade of the tractor such that the housing extends upwardly from the top edge of the blade when attached thereto. An auger assembly is supported for rotation by the housing, and includes a plurality of blade members spaced along the length of the housing and disposed at an angle relative to a longitudinal axis of the auger assembly. A drive assembly is provided to rotate the auger assembly in a direction such that material contacted by the auger assembly is thrown up in the air and to one side of the composter so that the material forms a windrow at that side. When used on human and animal waste, drying time is reduced, and oxygen incorporation is increased to facilitate bacteriological action on the waste material.

Abstract: A portable rotary snow blower shovel which is lightweight and maneuverable is disclosed. The device uses the drive mechanism from a rotary string trimmer. In place of the string and string guard, the snow blower utilizes an impeller and a substantially cylindrical enclosure. The enclosure includes a cutout opening in a lower portion of the periphery to allow snow to enter. Adjacent the opening is a flat plate which is secured to the inside of the enclosure at an angle in order to direct snow upward toward the impeller. The impeller, which is oriented substantially parallel to the surface being cleared, is circular in shape and has radially projecting blades attached to the upper and lower surfaces thereof. Once the snow is directed upward by the angled flat plate, the blades of the impeller, which are rotating at a high speed, force the snow out an exit conduit adjacent the top of the cylindrical enclosure by centrifugal force. The exit conduit directs the snow upward and away from the path being cleared.

Abstract: A scraping implement that can be quickly coupled and uncoupled to a conventional self-propelled snowblower for the removal of snow from a driveway or sidewalk. Drop pins releasably hold the frame of the implement to opposite sides of a snowblower housing. The implement has a concave curved plow mounted on a frame for angle adjustments. A bolt extends through a swivel plate and the frame to hold the plow at the selected position. The frame is laterally adjustable to fit different sized snowblowers.

Abstract: A bucket equipped with a mixing device for use in work for improving the soil of grounds such as road grounds, an excavation machine having such a bucket, and a soil improvement method using such an excavation machine. The bucket is equipped with a mixing device disposed therein, which device can be rotated by a motor whose number of revolutions per unit time is adjustable, and has an opening formed through the bottom surface thereof. Further, the bucket includes an injection device connected to an external, solidifying agent supply source.

Abstract: A layer of material such as pavement or sheet ice coating the surface of a roadway is efficiently removed using apparatus that includes a longitudinal tube in a breaker assembly which is rotatably carried by a control frame beam that depends from an articulate hydraulic lift and tilt mechanism of a road grader. Coaxially attached to the tube and uniformly distributed along its length, a number of retainer rings each carry several radially extended teeth that function to fragment the layer. Each tooth includes a tip portion with a free end that penetrates and punctures the layer and a trailing divergent portion which enters the puncture and translates a linear force applied thereto into a radial outward force that fractures and fragments the side walls of each puncture when the breaker assembly is lowered onto the layer and a downward force is applied to each tooth as the breaker assembly rolls over the layer surface.

Abstract: A wheeled platform towable behind a snowthrower to apply a downward force on the traction wheels of the snowthrower. The person operating the snowthrower stands on the platform so that a portion of his/her weight is applied to a towbar that extends from the snowthrower to the platform. The front end of the towbar exerts a downward force on the rear end of the snowthrower.

Abstract: An auxiliary road wiper plow for a motor vehicle is provided and consists of an arm member pivotally connected at one end to underside of an auxiliary frame member which is mounted to underside of frame of the motor vehicle forward of a wheel. A road engageable member is connected to other end of the arm member and positioned at a 45.degree. angle thereto. A road engageable member is connected to other end of the arm member at a 45.degree. angle thereto. A mechanism is also provided for lowering and raising the road engageable member so that it can be selectively engageable with road surface beneath the motor vehicle in front of the wheel for removing snow and water therefrom.

Abstract: A basic snowblower unit powered by an engine has a rectangular shroud housing a fan with a drive member associated with it. A considerable number of special units including lawnmower, vacuum-and-bagger, leaf picker, edger, rotary tiller, leaf blower, sprayer, electric generator, hydraulic pump, and air compressor, are individually attachable for support and powering by the basic snowblower unit, providing for all-year use of it, compact storage and economy in purchase and ownership.