Abstract: A roadway access hole drill for cutting a square or rectangular access hole in a roadway having a first saw opposing a second saw and a third saw opposing a fourth saw. A method of cutting a microtrench in which the buried utility is exposed by opening a square or rectangular access hole in a roadway above the buried utility using the roadway access hole drill that is controlled by a computer system connected to an under-roadway detection unit that detects a buried utility and stops movement of the drill to avoid damaging the buried utility.

Abstract: A mobile vehicle mounted hydro demolition system comprising ultra-high pressurized water through a rotating nozzle water jet for cutting concrete, including a water supply, a vacuum blower, and a vacuum container that has offset with a dewatering bag so that incoming water can be pumped off as wastewater. A remote control gives an operator immediate adjustments of the rotational speed of the nozzle; the transverse traversing speed of the nozzle; the forward advancement of the vehicle; the number of traverses the head traverses before the vehicle advances its predetermined step; the pressure of the high-pressure pump; the amount of vacuum cfm's the blowers are producing; the steering of the vehicle; and the traversing distance of the rotating nozzle. By manipulating the above parameters the depth of removal is predictable and provides a consistent depth.

Abstract: A system that can include a cart and multiple mounting assemblies, with each one of the multiple mounting assemblies configured to be interchangeably attached to the cart, and with each one of the multiple mounting assemblies configured to receive one of multiple portable tools and secure the one of the multiple portable tools to the cart. The one of the multiple portable tools is different than a second one of the multiple portable tools.

Abstract: A cart system may include a mounting bracket removably attachable to a cart and configured to receive a portable tool. The mounting bracket can include retainers to engage a front portion of the portable tool, and a clamp assembly rotationally attached to the mounting bracket that can engage a rear portion of the portable tool when the clamp assembly is in a locked position, thereby securing the portable tool to the mounting bracket. A cart system may include a rotatable arm with a wheel on a first end and rotationally attached to a cart at a second end. A circular disk having a first pattern fixed to the arm and a moveable plate with a recess having a second pattern that mates with the first pattern, the plate being moveably attached to the cart. The disk can selectively engage the recess to selectively restrict rotation of the arm.

Abstract: A grading blade for use with a plate compactor and a plate compactor having a grading blade, for use in grading base material when compacting. The grading blade is user movable relative to the plate compactor via a connection to a pivoting handle of the plate compactor or via a separate controller. The grading blade may be configured for use with a laser level and/or for remote control.

Abstract: In a circular cutting machine, a main vice unit includes a stationary rear vice and a front vice disposed to be movable back and forth in a range between a position forward of a preset cutting position and a rearmost position where the rear ends of jaws come into contact with the front ends of jaws of the rear vice. The rear and front vices include clamping cylinders that are independently controllable so as to independently clamp and unclamp their respective vices. When photoelectric sensors detect the rear end of work, the remaining length is calculated, which is then divided by the fixed-length feed amount to calculate a remaining number of possible cutting operations. The remaining number of such operations are carried out by using either a combination of the front vice and a transfer vice unit or the front vice alone to pull out the work.

Abstract: A pavement diamond grinder used for grinding and/or grooving pavement surfaces as the grinder carriage with a rotating arbor supporting radio blades. A cooling and dust control system delivers water to the arbor. The system includes a spray bar with nozzles that atomizes the water prior to engagement with the blades. The system utilizes a wiper debris removal device to clean the blades. In addition, a device that is utilized to effect turbulence adjacent to the blades and improve contact of the atomized water with the blades.

Abstract: A high-production routing device has a drive frame with an operator area and an open deck. The open deck includes angularly disposed deck bars allowing an unobstructed view of a work surface. In the drive frame geometry, a line drawn from a center of mass of the device to a most lateral point of the drive frame forms an angle ranging between about 0 degrees and about 60 degrees. The device also has a hydraulic pump and a hydraulic reservoir. The device further includes a routing drum with multiple rotors, each freely and independently rotating about a shaft. Each rotor includes several radially disposed blades, which rout the work surface. The device also has at least one single wheel drive assembly for driving and steering, including a hydraulic drive motor and a hydraulic steering motor operatively coupled to the hydraulic pump and to a precision drive-steerable wheel.

Abstract: A machine for making cuts through and boring holes into a paved slab includes a pair of saw guide tracks with circular saws mounted thereon for linear movement in parallel spaced relationship. The tracks and saws are mounted on a laterally expandable support frame which is rotatably suspended from a main frame for adjusting the spacing between cuts. The saw guide tracks are suspended from the laterally expandable saw and track support frame by vertically telescoping legs operable to raise and lower the guide tracks and saws supported thereon relative to the paved slab. Drills are mounted on a drill support assembly that telescopes laterally and vertically and which is rotatable about a vertical axis to permit adjustment to the positioning of the drills for boring holes in the slab.

Abstract: A trailer includes a trailer frame having a hitch. A stationary support base is joined to the trailer frame. Two support plates are slidably guided on the support base toward and away from each other. A pair of wheel assemblies is provided, wherein a wheel assembly is mounted to an end of each of the support plates remote from the other support plate such that a distance between the wheel assemblies varies with movement of the support plates on the support base. A pair of drive links is provided wherein a drive link is joined to each of the support plates. A drive mechanism is joined to the drive links and configured to selectively move the support plates toward or away from each other.

Abstract: A cutting apparatus is described, capable of cutting hard materials including asphalt and concrete. The cutting apparatus is particularly well suited for attachment to a skid steer or other transportation implement. When attached to a skid steer the apparatus includes a frame that allows the cutting system to slide from side to side, slide up and down, or rotate about a vertical axis while held in a cutting position by the skid steer boom. The cutting apparatus also includes an airflow member that affectively creates an air turbulence to thereby confine debris and dust within a shroud and to direct the debris and dust against a surface of the shroud to a localized exit at a minimized velocity.

Abstract: A saw assembly controllably moves in a cutting plane defined by two orthogonal tracks of a gantry. The cutting plane is configured to intersect a trip hazard on a walkway. A vacuum port of a shroud connects to a dust-removal vacuum via a hose. The shroud includes a vertically moveable shield that moves along the ground. The gantry is mounted to a utility vehicle in a manner that allows deployment for use and stowing for storage and transportation.

Abstract: Apparatus for cutting concrete curbs or other fixed structures includes an articulated saw support operable to move a saw to position the saw blade in horizontal or vertical planes or canted relative to one or both of the horizontal and vertical planes.

Abstract: The motorized cutter with wheels (10) comprises a motorized cutter (20) and a carriage (30). The motorized cutter (20) is equipped with an engine (24), a blade (22) rotatably driven by the engine (24), and a light-emitting unit (50) that generates laser light (52) in the same plane as the plane of rotation of the blade (22). A roadbed (90) is then cut along a line (X) drawn on the roadbed (90) by operating the motorized cutter with wheels (10) so that the line (X) is irradiated with the laser light (52). It is possible to remove the motorized cutter (20) from the carriage (30) together with the light-emitting unit (50).

Abstract: A machine for making cuts through and boring holes into a paved slab includes a pair of saw guide tracks with circular saws mounted thereon for linear movement in parallel spaced relationship. The tracks and saws are mounted on a laterally expandable support frame which is rotatably suspended from a main frame for adjusting the spacing between cuts. The saw guide tracks are suspended from the laterally expandable saw and track support frame by vertically telescoping legs operable to raise and lower the guide tracks and saws supported thereon relative to the paved slab. Drills are mounted on a drill support assembly that telescopes laterally and vertically and which is rotatable about a vertical axis to permit adjustment to the positioning of the drills for boring holes in the slab.

Abstract: A cutting apparatus is described, capable of cutting hard materials including asphalt and concrete. The cutting apparatus is particularly well suited for attachment to a skid steer or other transportation implement. When attached to a skid steer the apparatus includes a frame that allows the cutting system to slide from side to side, slide up and down, or rotate about a vertical axis while held in a cutting position by the skid steer boom. The cutting apparatus also includes an airflow member that affectively creates an air turbulence to thereby confine debris and dust within a shroud and to direct the debris and dust against a surface of the shroud to a localized exit at a minimized velocity.

Abstract: A cutting apparatus has a main body including a body frame, wheels, a motor and a blade; a blade cover; and a slide guide. A cutting depth of the blade is adjustable. A blade cover casing entirely covers the blade. A slider having left and right linear portions is attached to a rear surface of the casing. The slide guide has circular-arc portions and flaps for sandwiching the linear portions of the slider. A gap is formed between the flaps and a side surface of the body frame. By sandwiching the linear portions of the slider between a flap and the body frame, and sandwiching the circular-arc portions between the left and right linear portions, the blade cover can slide in the up-down direction with respect to the slide guide and the body frame and can rotate about the circular-arc portions.

Abstract: A trip hazard removing apparatus includes a saw head and blade connected to guide rail(s), which are connected to a support structure, which is connected to lift arm(s) of a vehicle. The vehicle moves the trip hazard removing apparatus between trip hazards occurring between upper and lower slabs of a sidewalk, placing it on the lower slab adjacent to and in contact with a trip hazard, and lifting it after removing the trip hazard. A trip hazard engaging mechanism automatically locates the saw blade's position and angle relative to and above the upper slab to create appropriate transition surface(s) between the upper and lower slabs as it cuts off the trip hazard. The guide rail(s) allow placing the saw blade facing the sidewalk's side surface. The saw head and blade are moved along the guide rail(s) across the upper slab and through the side surfaces to remove the trip hazard.

Abstract: A method and an apparatus for introducing at least one pipe for at least one optical cable into a solid bed with the aid of a laying device. At least one groove is milled or cut in the bed and the at least one pipe is inserted in the groove. At least one side wall of the groove is configured with a step for supporting a filler material. After laying the pipe the remaining volume of the groove is filled. Alternatively, the pipe can be formed according to the groove. In addition, the friction between the at least one pipe laid in the groove and the side walls of the groove can be increased so that emergence of the at least one pipe of its own accord from the at least one groove is prevented.

Abstract: A slab saw including a frame, an engine supported by the frame, an arbor, and first and second tracks disposed along opposing sides of the frame. The arbor may be configured to be rotated by the engine. The first track and the second track may be configured to propel the frame. A drive assembly may be configured to independently drive the first track with respect to the second track to propel the slab saw. A control assembly may be configured to control the drive assembly as to a speed and direction of the slab saw.

Abstract: A pavement crack router includes a plurality of bits rotatably mounted to a frame in a direction. A ratchet gear is rotatable with a wheel mounted to the frame. A movable safety release is operably connected to a ratchet rod pivotable between an engaging position engaged with the ratchet gear preventing rotation of the wheel in a reverse direction and a releasing position disengaged from the ratchet gear allowing free rotation of the wheel. An elastomeric inner tube is mounted around a lower end of each of two handle bars and is slideably received in an outer tube fixed to the frame. Two elastomeric washers are mounted around the lower end of each handle bar and sandwich the inner tube within the outer tube. A switch is operable to lower the frame and bits for opening and cleaning a crack in pavement.

Abstract: A pavement cutting method and apparatus for cutting a concrete or asphalt pavement utilizes one or more cutter-mounting frames having one or more cutter assemblies mounted thereon for making a cut in a pavement. The leading end of each frame has a coupling for pivotally mounting the leading end of the frame to a towing vehicle for towing the frame so that the frame pivots about a vertical or substantially vertical pivot-axis passing through the coupling. Each of the one or more cutter assemblies has a driven rotary saw blade that is located in a common vertical or substantially vertical plane that contains the vertical or substantially vertical pivot-axis of the coupling whereby the saw blade of each of the one or more cutter assemblies follows the pivot-axis of the coupling when the frame is being towed in the cutting direction of travel for the pavement cutting apparatus.

Abstract: A green concrete saw that allows for precise adjustment of a height of a circular saw blade is provided. The saw provides for the circular saw blade to be secured to a front end of a mainframe mounted on an undercarriage. A major height adjustment is performed by adjusting the height of the mainframe relative to the undercarriage. Further, the undercarriage supports wheels for the saw, and a fine height adjustment is performed by adjusting the height of a front end of the undercarriage relative to the ground through the use of an eccentric front axle.

Abstract: A holder for holding a tooth on a body of a cutting blade or grinding drum for cutting or grinding rock or hard earth formations. The selectively-positionable holder includes a portion for holding the tooth in a manner such at that a portion of the tooth projects from the holder and a base surface for attaching the holder to an attachment surface of the body. When the holder is positioned in one of a plurality of orientations, the base surface has, within an area over the attachment surface, a shape which is profiled so that a region defined between the base surface and the attachment surface is, for at least one of the plurality of different orientations, smaller than a region that would be defined if the base surface would have a flat shape.

Abstract: A cutting apparatus has a main body including a body frame, wheels, a motor and a blade; a blade cover; and a slide guide. A cutting depth of the blade is adjustable. A blade cover casing entirely covers the blade. A slider having left and right linear portions is attached to a rear surface of the casing. The slide guide has circular-arc portions and flaps for sandwiching the linear portions of the slider. A gap is formed between the flaps and a side surface of the body frame. By sandwiching the linear portions of the slider between a flap and the body frame, and sandwiching the circular-arc portions between the pair of left and right linear portions, the blade cover can slide in the up-down direction with respect to the slider guide and the body frame and can rotate about the circular-arc portions.

Abstract: A cutting trolley having a frame structure and at least two rear wheels on a rear shaft and at least one front wheel, for a cutter of the type that includes a front handle, a rear handle, and a circular cutting blade in the front end of the cutter. The trolley also includes a cutter carrier having a front attachment device and a rear attachment device for the attachment of a cutter on the carrier via a front handle and a rear handle of the cutter, respectively, for trolley carried operation of a cutter. The cutting trolley has an adjustment means, as part of a displacement device, that can adjust the position of the cutter carrier and hence the cutter and the cutting blade for alignment control and/or curve cutting adjustment, such that the adjustment is possible without interrupting the cutting operation.

Abstract: A device comprises an implement configured to be driven and a first motor and a second motor. Each motor includes a rotational output shaft and a transmission assembly connected to the output shaft. The output shafts of the first and second motors are coupled together by the transmission assemblies such that the output shafts turn at the same rate. The first and second motors contribute equally to the driving of the implement.

Abstract: A device to secure, cut and sequentially remove a manhole from a street environment. The manhole removing device is supported and rotatably driven hydraulically by a mobile operation equipment. A circular disk assembly has adjustable pavement cutters adjustably positioned from there within an inter-related manhole centering and a locking alignment and engagement plate assembly define a one-step cutting and removal of an existing manhole from the street for replacement.

Abstract: A saw and water dispensing combination system includes a handsaw that includes a motor, a handle attached to the motor, and a blade mechanically coupled to the motor that is rotated when the motor is turned on. The blade is configured to cut through cement blocks. A shroud extends over an upper portion of the blade relative to the motor and a grip is attached to the motor distal to the blade. A container is provided that has water therein. A pump is fluidly coupled to the container and creates pressure within the container when the pump is actuated. An outlet conduit is fluidly coupled to the container. Water is forced into the outlet conduit when the pump is actuated and the outlet conduit ejects the water onto the saw blade. A coupler releasably couples the container to the handsaw.

Abstract: A device and system for removing structures embedded in surrounding material is disclosed. Embodiments include a powered, expandable clamp attached to a rotating cutting tool for removing manholes from roadways. Select embodiments include anchoring a clamp to a manhole and using the manhole itself as leverage to move a cutting device through the surrounding material. Alternate embodiments allow an operator, working alone from a control station, to secure the manhole remover to the manhole, cut through the surrounding roadway, remove the manhole, and deposit the manhole at another location without requiring the operator to leave the control station. Further embodiments optionally include a depth gauge indicating the penetration depth of the cutting tool, an indicator reflecting the expanded state of the clamp, a pendulum mount allowing the clamp and drum to vertically orient using gravity, and/or the ability to attach to a host machine, such as a skid-steer loader.

Abstract: A roofing saw assembly and corresponding method of use for cutting into a roof a predetermined depth. The saw assembly may or may not include the saw itself. But it otherwise includes a frame having a base and a handle. Front and rear wheel sets are carried on the frame for supporting the frame in rolling movement above a roofing surface. A dead-man brake assembly is associated with at least one of the wheel sets wherein the brake is engaged with the wheel set until it is released to permit wheel rotation. A saw platform is carried on the frame, with the platform being adapted to support the power saw a predetermined height above the roofing surface. A height adjuster is disposed between the frame and the platform for adjusting the saw platform relative to the frame. The assembly can be used to cut roof sections of a predetermined size for easy and tidy removal.

Abstract: A wheeled guide assembly for use with cut providing tools includes a base portion having a first end and a second end, and rockable between either of a first position, enabling straight-line cuts to be made, and a second position enabling controlled curved-line cuts. The base portion includes a plurality of wheels, with at least two pivot wheels, at least one fixed wheel, and at least one steerable wheel provided. The wheels are rollably coupled to the base portion and or a housing of the cut providing tool, such that the cut providing tool may be readily and easily rocked by the user into either the first position or the second position, as needed. This abstract is provided to comply with rules requiring an abstract, and is submitted with the intention that it will not be used to interpret or limit the scope and meaning of the claims.

Abstract: A device to secure, cut and sequentially remove a manhole from a street environment. The manhole removing device is supported and rotatably driven hydraulically by a mobile operation equipment. A circular disk assembly has adjustable pavement cutters adjustably positioned from there within inter-related manhole centering and a locking alignment and engagement plate assembly define a one-step cutting and removal of an existing manhole from the street for replacement.

Abstract: An apparatus for grinding both inside surfaces of a concrete joint simultaneously is disclosed. The apparatus includes a proximal grinding wheel having a rotational axis and a grinding implement fixed with a proximal side, and an external drive shaft fixed to the center thereof. A distal grinding wheel is included that has the same rotational axis a grinding implement fixed with a distal side. An internal drive shaft is fixed partially within the external drive shaft and to the center of the distal grinding wheel. The apparatus further includes a means for moving both grinding wheels apart, a source of rotational kinetic energy, and a means for coupling the source of rotational kinetic energy to each drive shaft.

Abstract: An adjustable handle assembly for a road surface cutting saw is provided that includes a back plate attached to the saw housing, an outer gear attached to the back plate, a bracket assembly including an inner gear, a tubular member slidably attached to the bracket assembly, and an adjustment lever having a threaded engagement end. The adjustment lever secures the bracket assembly to the saw such that the inner gear engages the outer gear. When the adjustment lever is loosened a bias spring biases the bracket assembly away from the saw such that the inner gear disengages from the outer gear to thereby allow rotation of the handle assembly to a desired operating position.

Abstract: A manhole cover frame removal apparatus has a ring-shaped base with a circular track thereon and a saw mounting framework disposed atop the base. Rollers allow the saw mounting framework to advance in rotation about aligned vertical axes of the frame and the base. A saw mounting arm is joined to the framework and may be raised and lowered and locked in the raised position. A saw carriage is mounted on the saw arm for reciprocal movement toward and away from a saw arm hinge axis. A single saw motor is mounted on the carriage and can be immobilized at selected angles. Separate horizontal-cut and vertical-cut saw blades are alternatively and interchangeably attached to the saw blade rotor.

Abstract: The invention concerns a ground-machining machine (100) comprising: a secondary chassis (104) able to move in translation with respect to the ground (118); a main chassis (106) carrying a machining device (110) and able to move with respect to the secondary chassis (104) between an idle position and a machining position and vice versa; a maneuvering mast (102) integral with the said secondary chassis (104) and extending along a principal axis (160) substantially vertical with respect to the ground (118), the said maneuvering mast (102) comprising driving means (134) for moving the main chassis (106) from the said idle position to the said machining position and vice versa; an actuation means (120) mounted on a top plate (622) disposed at the top of the said maneuvering mast (102), the said actuation means (120) allowing actuation of the said driving means (134) by a user; the ground-machining machine (100) being such that the maneuvering mast (102) and the said driving means (134) are adapted to allow the

Abstract: A green concrete saw that allows for precise adjustment of a height of a circular saw blade is provided. The saw provides for the circular saw blade to be secured to a front end of a mainframe mounted on an undercarriage. A major height adjustment is performed by adjusting the height of the mainframe relative to the undercarriage. Further, the undercarriage supports wheels for the saw, and a fine height adjustment is performed by adjusting the height of a front end of the undercarriage relative to the ground through the use of an eccentric front axle.

Abstract: A method and the associated apparatus for the removal of floor coverings are presented. The removal of floor coverings is achieved in that up to 24 grooves (21) with a width (b) of 3 mm to 10 mm and with a depth (t) of up to 40 mm are simultaneously milled into the floor covering (20) at spacings (a) of 5 mm to 30 mm. The ribs (22) occurring between the grooves (21) are then knocked off by simple means, such as hammers, chisels or picks. In a second operation, by means of the same apparatus, further grooves (21) are milled transversely thereto, so that only rectangular elevations remain which can be knocked off with ease.

Abstract: A dust and debris evacuator is provided for a cut-off saw. The cut-off saw having a rapidly rotating disk-shaped cutting blade for cutting material and thereby producing and ejecting the dust and debris. The evacuator having a channel to receive the ejected dust and debris, and the channel having a front opening facing the cutting blade. A vacuum cleaner is preferably connected to the evacuator to clear the dust and debris from the channel. In a preferred embodiment, the cut-off saw is pivotally mounted to the evacuator.

Abstract: A pavement cutting tool wherein the pitch of the handles relative to the ground surface is relative to, and interlinked, to the pitch of the connected saw blade, so that as the saw blade is raised and/or lowered into the surface to be cut, the handles remain at a predetermined angle of attack (preferably generally horizontal). The pavement-cutting tool further using a limit switch to limit the depth of the cut.

Abstract: A pavement treatment apparatus, for example a concrete saw, includes a bias element for biasing one part of the apparatus toward another part of the apparatus. The bias element may be one or more springs extending between an engine platform and a handle assembly.

Abstract: An improved concrete cutter has a longitudinally-extending primary boom and one or more saw carriage sub-assemblies that move along the length of the boom. “Wing-like” boom extensions are hingedly secured at each end of the primary boom. The boom extensions can be easily positioned at each end of the primary boom to extend the cutting width of the concrete cutter and without requiring removal of the boom extensions from the concrete cutter. The saw carriage sub-assemblies are independently movable along the boom extensions. Carriage spacing is variably-adjustable along the boom such that each saw carriage can move toward or away from the other saw carriage. Each saw carriage sub-assembly is height-variable and is self-adjusting to contours in the profile of the concrete surface being cut.

Abstract: An adjustable handle assembly for a road surface cutting saw is provided that includes a back plate attached to the saw housing, an outer gear attached to the back plate, a bracket assembly including an inner gear, a tubular member slidably attached to the bracket assembly, and an adjustment lever having a threaded engagement end. The adjustment lever secures the bracket assembly to the saw such that the inner gear engages the outer gear. When the adjustment lever is loosened a bias spring biases the bracket assembly away from the saw such that the inner gear disengages from the outer gear to thereby allow rotation of the handle assembly to a desired operating position.

Abstract: The present invention provides a forward motion speed control system for a self-propelled concrete saw, a self-propelled concrete saw equipped with a forward motion speed control system and a method of controlling the forward motion speed of a concrete saw during a cutting or scoring operation. In one preferred embodiment of the invention, the forward motion speed control system senses and monitors the speed of a power plant transmitting rotational energy to a saw blade and adjusts the forward motion speed of the self-propelled concrete saw to maximize the forward motion speed of the self-propelled concrete saw while maintaining the speed of the power plant in a peak operational range.

Abstract: A movable machine such as a concrete saw has an isolator or other damping element between the working tool portion of the machine and the supporting structure, such as a frame, chassis or other structure. The working tool portion of the machine may include a tool and a motor and the tool may include a support mounted or otherwise fixed to the motor.

Abstract: The present invention provides a forward motion speed control system for a self-propelled concrete saw, a self-propelled concrete saw equipped with a forward motion speed control system and a method of controlling the forward motion speed of a concrete saw during a cutting or scoring operation. In one preferred embodiment of the invention, the forward motion speed control system senses and monitors the speed of a power plant transmitting rotational energy to a saw blade and adjusts the forward motion speed of the self-propelled concrete saw to maximize the forward motion speed of the self-propelled concrete saw while maintaining the speed of the power plant in a peak operational range.

Abstract: An apparatus for cutting slots in pavement has a slot cutting assembly with several pairs of rotating blades mounted to a vehicle and vertically adjustable relative to the vehicle. A lift system moves the vehicle between a first position wherein the lift is not engaging the ground and a raised position wherein the lift engages the ground. A slider assembly uses a hydraulic to move the vehicle horizontally on rails relative to the lift when the vehicle is at the raised position. In operation, the vehicle is lifted and the cutting assembly lowered so the blades engage the pavement. The vehicle slides back and forth on the rails as the blades cut slot pairs. The material between each slot pair is removed to form a recess receiving reinforcement devices.

Abstract: A concrete engraver apparatus including a carrier for use with a hand-held engraver. The hand-held engraver is detachably mounted to the carrier. The carrier has wheels and a handle attached to an enclosure. The enclosure includes a vacuum mount for attaching a vacuum tube to evacuate loosened particles from the enclosure during operation of the hand-held engraver.

Abstract: A telescopic guide for a concrete saw includes a plurality of sleeves, a wheel and mounting plate.