Patent application number | Description | Published |
20090089970 | DEBRIS-PLOWING PICK-UP HEAD FOR A MOBILE SWEEPER - A debris-plowing pick-up head for a mobile sweeper comprises a housing defining a substantially hollow interior and having a front, a back, a left end and a right end, a top and a bottom, and a suctioning bottom opening for suctioning dust and small debris into the substantially hollow interior of the housing. A suctioning front opening is disposed in the front of the housing for receiving debris into the substantially hollow interior of the housing. A selectively openable and closable door means operatively mounted on the debris plowing pick-up head for selectively opening and closing the suctioning front opening. There is a dust and debris outlet in the housing for permitting dust and debris to be suctioned from the substantially hollow interior of the housing into a hopper. A barrier is disposed on the top of the housing for substantially precluding the passage of large debris over the housing. | 04-09-2009 |
20120073079 | DEBRIS SHREDDING PICK UP HEAD FOR A MOBILE SWEEPER - A debris shredding pick-up head system for a mobile sweeper comprises a housing defining a substantially hollow interior, and a suctioning bottom opening for suctioning dust and small debris into the substantially hollow interior of the housing. A debris receiving opening is disposed in the front of the housing for receiving debris into the substantially hollow interior of the housing, in debris receiving relation with respect to a surface being cleaned. A debris shredder is operatively mounted on the housing adjacent the debris receiving opening such that debris passing through the debris receiving opening is received by the debris shredder. The debris shredder shreds the received debris and thereby produces shredded debris. There is also a dust and debris outlet in the housing for permitting dust and debris, including the shredded debris to be suctioned from the substantially hollow interior of the housing into a hopper. | 03-29-2012 |
20130078066 | SINGLE ENGINE SURFACE CLEANING VEHICLE - A single-engine surface cleaning vehicle comprises a pre-built conventional truck chassis and a forwardly mounted internal combustion engine. A hydraulic pump has a mechanical input connected to the mechanical output of the power take off unit, and a hydraulic output. A hydraulic drive motor has a hydraulic input connected to the hydraulic output of variable displacement hydraulic pump, and a mechanical output connected in driving relation to the drive input of the rear differential and drive axle assembly. The rear drive wheels are drivable by the internal combustion engine through the power take off unit, the variable displacement hydraulic pump, the hydraulic drive motor and the differential and axle assembly. A debris hopper is mounted on the pre-built conventional truck chassis. A debris loading apparatus is operatively mounted on the pre-built conventional truck chassis and is connected in debris depositing relation to the debris hopper. | 03-28-2013 |
20140338147 | DUST SUCTIONING PICK-UP HEAD APPARATUS FOR USE WITH A SWEEPING VEHICLE - A dust suctioning pick-up head for a sweeping vehicle comprises a shroud defining a fore-aft longitudinal axis, and has a substantially hollow interior, a bottom edge defining a bottom opening, and a forwardly facing debris outlet for permitting the directed egress of debris from the shroud as a forwardly propelled stream of debris. At least one cylindrical main sweeping broom is disposed within the substantially hollow interior of the shroud for engaging a surface to be cleaned through the bottom opening to thereby sweep dust and debris from the surface to be cleaned and propel the dust and debris forwardly through the forwardly facing debris outlet. A dust suctioning nozzle apparatus has a dust receiving mouth in fluid communication with a dust transfer outlet connectable in fluid communication with a source of air suctioning. The dust receiving mouth is in fluid communication with the substantially hollow interior of the shroud so as to suction air therefrom, and is disposed vertically adjacent the bottom edge of the shroud so as to be in dust suctioning relation to the surface being cleaned, and rearwardly of the at least one cylindrical main sweeping broom to thereby permit the suctioning of dust from the surface to be cleaned subsequent to the surface being swept by the at least one cylindrical main sweeping broom. | 11-20-2014 |
Patent application number | Description | Published |
20090089962 | PICK-UP HEAD WITH DEBRIS URGING MEANS FOR A MOBILE SWEEPER - A debris-plowing pick-up head for a mobile sweeper comprises a housing defining a substantially hollow interior and having a front, a back, a left end and a right end, a top and a bottom, and a suctioning bottom opening for suctioning dust and small debris into the substantially hollow interior of the housing. A suctioning front opening is disposed in the front of the housing for receiving debris into the substantially hollow interior of the housing. A selectively openable and closable door means operatively mounted on the pick-up head for selectively opening and closing the suctioning front opening. There is a dust and debris outlet in the housing for permitting dust and debris to be suctioned from the substantially hollow interior of the housing into a hopper. There is also means disposed on the front of the housing for urging large debris toward the suctioning front opening, and a selectively operable actuation means for opening the door means for permitting the passage of debris therethrough. | 04-09-2009 |
20090089963 | PICK-UP HEAD HAVING AT LEAST ONE MAIN BROOM THEREIN, FOR A MOBILE SWEEPING VEHICLE - A pick-up head for a mobile sweeping vehicle comprises a main housing defining a substantially hollow interior and has a front, a back, a left end and a right end, a top and a bottom, and a suctioning bottom opening for suctioning dust and small debris into the substantially hollow interior of the main housing. There is a dust and debris outlet in the housing for permitting dust and debris to be suctioned from the substantially hollow interior of the housing into a hopper. There is also at least one main broom operatively mounted in the rearward portion of the substantially hollow interior of the main housing, for rotation about a substantially horizontal axis so as to sweep a surface being cleaned in a generally forward direction, thereby propelling debris forwardly into the substantially hollow interior of the main housing, for subsequent suctioning into the dust and debris outlet. A selectively operable motor is for operating the at least one main broom. | 04-09-2009 |
20090089964 | PICK-UP HEAD HAVING A RE-CIRCULATING AIR SYSTEM FOR A MOBILE SWEEPING VEHICLE - A pick-up head for a mobile sweeping vehicle comprises a housing defining a substantially hollow interior and having a front, a back, a left end and a right end, a top and a bottom, a suctioning bottom opening for suctioning dust and small debris into the substantially hollow interior of the housing. There is at least one re-circulating air inlet for receiving a flow of air into the housing, and a dust and debris outlet in the housing for permitting dust and debris to be suctioned from the substantially hollow interior of the housing into a hopper. A blower fan has an air inlet and an air outlet. The air outlet is connected in fluid communication to the at least one re-circulating air inlet of the housing for providing a source of high velocity re-circulating air for introduction to the housing. The air inlet is operatively connected in fluid communication to the dust and debris outlet of the housing for removing debris-laden air therefrom. There is a selectively operable motor for operating the fan means. | 04-09-2009 |
20090089965 | SWEEPING BROOM APPARATUS FOR USE WITH A VEHICLE AND HAVING A SOURCE OF COMPRESSED AIR - A sweeping broom apparatus comprises a main body having a debris receiving outlet and connecting means for operatively connecting the main body to a vehicle. A broom shroud has an open bottom defined by a bottom edge. An airflow obstructing skirt is disposed around the bottom edge of the broom shroud for substantially obstructing the egress of air from between the bottom edge of the broom shroud and the surface being cleaned. There is a forwardly facing debris outlet in the broom shroud for permitting the directed egress of debris therefrom as a forwardly propelled stream of debris. A main sweeping broom is mounted within the broom shroud for propelling debris forwardly from a surface being cleaned generally along the longitudinal horizontal axis, thereby creating a stream of debris propelled forwardly through the forwardly facing debris outlet. There is a source of compressed air having an outlet for permitting the egress of compressed air therefrom. An air blast nozzle has an outlet aimed downwardly and forwardly so as to aim a blast of air at a surface being cleaned, and has an inlet connected in fluid communication to the outlet of the source of compressed air for receiving compressed air therefrom. The inlet is in fluid communication with the outlet. In use, compressed air from the air blast nozzle is forcibly blasted against a surface being cleaned. | 04-09-2009 |
20090089971 | SEALED PICK-UP HEAD FOR A MOBILE SWEEPER - A sealed pick-up head for a mobile sweeper comprises a housing defining a substantially hollow interior and a suctioning bottom opening. A suctioning front opening is for receiving debris into the substantially hollow interior of the housing. A door frame surrounds the suctioning front opening. A rotatable door has at least a first door portion and a second door portion joined together at a central pivot axis, and is operatively mounted at the central pivot axis in rotatable relation on the pick-up head at the suctioning front opening. A seal is operatively disposed between the rotatable door and the door frame for sealing the rotatable door with respect to the door frame, to thereby substantially preclude air from ingressing into the substantially hollow interior of the housing through the suctioning front opening, as the rotatable door rotates to permit debris to enter the substantially hollow interior of the housing. A dust and debris outlet in the housing permits dust and debris to be suctioned from the substantially hollow interior of the housing into a hopper. | 04-09-2009 |
20090090385 | PICK-UP HEAD HAVING HOUSED GUTTER BROOMS FOR A MOBILE SWEEPING VEHICLE - A pick-up head for a mobile sweeping vehicle comprises a housing defining a substantially hollow interior and a suctioning bottom opening for suctioning dust and small debris. A suctioning front opening is disposed in the front of the housing for receiving debris into the substantially hollow interior of the housing. A door is mounted on the pick-up head for selectively opening and closing the suctioning front opening. A dust and debris outlet in the housing permits dust and debris to be suctioned from the substantially hollow interior. A gutter broom is mounted within the housing adjacent one end, for sweeping dust and small debris inwardly from the selected one of the left end and the right end and towards the dust and debris outlet. An opening in the housing at the selected end permits the gutter broom to extend beyond the end of the housing, thus allowing the gutter broom to sweep against a curb, for sweeping dust and small debris towards a central path. A selectively operable motor is for operating the first gutter broom. | 04-09-2009 |
20090094785 | SWEEPING BROOM APPARATUS FOR USE WITH A VEHICLE AND HAVING A SOURCE OF HIGH SPEED AIR - A sweeping broom apparatus comprises a main body having a debris receiving outlet and connecting means for operatively connecting the main body to a vehicle. A broom shroud has an open bottom defined by a bottom edge. The broom shroud has a front end and a back end, and defines a longitudinal horizontal axis extending between the front end and the back end. An airflow obstructing skirt is disposed around the bottom edge of the broom shroud for substantially obstructing the egress of air from between the bottom edge of the broom shroud and the surface being cleaned. There is a forwardly facing debris outlet in the broom shroud for permitting the directed egress of debris therefrom as a forwardly propelled stream of debris. A main sweeping broom is mounted within the broom shroud for propelling debris forwardly from a surface being cleaned generally along the longitudinal horizontal axis, thereby creating a stream of debris propelled forwardly through the forwardly facing debris outlet. There is a source of high speed air having an outlet for permitting the egress of air therefrom. An air blast nozzle has an outlet aimed downwardly and forwardly so as to aim a blast of air at a surface being cleaned, and has an inlet connected in fluid communication to the outlet of the source of high speed air for receiving air therefrom. The inlet is in fluid communication with the outlet. In use, high speed air from the air blast nozzle is forcibly blasted against a surface being cleaned. | 04-16-2009 |
20130019429 | PICK-UP HEAD SYSTEM - A pick-up head system for use with a surface cleaning vehicle comprises a housing, forward debris passage having a bottom opening, and a rearward debris passage having a bottom opening. A divider separates the forward debris passage and the rearward debris passage. A debris outlet supplies a flow of high speed air a selected one of the forward debris passage and the rearward debris passage. An air supply inlet is in the other one of the forward debris passage and the rearward debris passage. A debris passing opening between the forward debris passage and the rearward debris passage permits the flow of air and debris from one to the other. High speed air flows through the air supply inlet into the forward debris passage and the rearward debris passage, as connected by the debris passing opening, to thereby clean the surface, and egresses through the debris outlet. | 01-24-2013 |
20130019431 | PICK-UP HEAD SYSTEM - A pick-up head system comprises a housing and a main fan connected in air suctioning relation to the housing for causing the interior of the housing to have a reduced internal air pressure. A secondary substantially continuously available source of low air pressure has an inlet connected in air suctioning relation to the housing. A valve is operatively mounted between the housing and the inlet of the source of low air pressure. A control mechanism is operatively connected to the valve and responsive to at least one operational condition in the pick-up head system. In a reduced-flow position, the air pressure in the housing is unaffected by the vacuum tank. In the increased-flow position, when the at least one operational condition passes a threshold, the vacuum tank decreases the air pressure in the housing, thus precluding the escape of dust and other fine particulate matter from the interior of the housing. | 01-24-2013 |
20130145578 | PICK-UP HEAD SYSTEM - A pick-up head system for use with a surface cleaning vehicle comprises a housing having a suctioning bottom opening open in fluid communication and debris transfer relation to the interior. A debris receiving main inlet is disposed in the front wall of the housing, in debris transfer relation for receiving debris to the housing. A substantially sealed continuous-debris-passing door apparatus is operatively mounted on the housing at the debris receiving main inlet in vertically movable relation for movement between a substantially sealed surface engaging position whereat the substantially sealed continuous-debris-passing door apparatus extends upwardly from the level of the bottom peripheral edge of the housing, and a raised position whereat the substantially sealed continuous-debris-passing door apparatus is raised above the substantially sealed surface engaging position; and a debris outlet in the housing open in fluid communication and debris transfer relation to the substantially hollow interior of the housing. | 06-13-2013 |
20130152334 | PICK-UP HEAD SYSTEM - A pick-up head system for use with a surface cleaning vehicle comprises a housing having a substantially hollow interior and a suctioning bottom opening. A debris suctioning inlet in the housing is disposed adjacent the first end of the housing for suctioning debris into the housing. A debris outlet in the housing is open in fluid communication and debris transfer relation to the substantially hollow interior of the housing. Debris is suctioned into the substantially hollow interior of the housing through the debris suctioning inlet, and is discharged from the housing through the debris outlet. | 06-20-2013 |
20130152335 | DEBRIS SHREDDING PICK-UP HEAD SYSTEM - A debris shredding pick-up head system for use with a surface cleaning vehicle comprises a housing having an interior and a suctioning bottom opening in fluid communication and debris transfer relation to the interior, and defining a fore-aft axis. There is a debris receiving inlet in the housing for receiving debris to be shredded into the housing, and a debris outlet in the housing for permitting debris to egress from the housing. A debris path connects together in fluid communication the debris receiving inlet and the debris outlet. A debris shredder is operatively mounted in the housing for shredding debris within the interior of the housing, to thereby produce shredded debris to egress from the housing through the debris outlet. | 06-20-2013 |
20130185894 | PICK-UP HEAD SYSTEM HAVING A HORIZONTAL SEALED DEBRIS DOOR FOR A MOBILE SWEEPING VEHICLE - A pick-up head system for use with a surface cleaning vehicle comprises a housing with a debris receiving main inlet and a debris outlet. A rotatable door assembly is mounted on the housing at the debris receiving main inlet for rotation about a substantially horizontally oriented door pivot axis, for controlling the passage of debris through the debris receiving main inlet. In use, as the rotatable door assembly rotates about the horizontally oriented door pivot axis to thereby permit debris to enter the housing through the debris receiving main inlet. An air flow barrier disposed between the rotatable door assembly and the housing substantially precludes the passage of air and small debris between the rotatable door assembly and the housing. | 07-25-2013 |
20130333158 | PICK-UP HEAD SYSTEM - A pick-up head system for use with a surface cleaning vehicle comprises a housing extending between a first end and a second end, and having a front and a back, and a suctioning bottom opening. A debris outlet is disposed in the housing for permitting dust and debris to egress from the housing into a hopper. A debris passage is disposed within the housing in dust and debris delivery relation with respect to the debris outlet. There is at least one non-rotating main broom operatively mounted in the housing adjacent the debris passage for cleaning contact with a surface to be cleaned, thereby loosening debris for subsequent suctioning into the debris outlet. | 12-19-2013 |
20140215733 | GUTTER BROOM AND GUTTER BROOM SYSTEM - A gutter broom system comprises a gutter broom that comprises a main structural body, a plurality of sweeping bristles depending from the main structural body, at least one opening in the main structural body for permitting a blast of air to pass through the main structural body as the gutter broom rotates. A gutter broom shroud is in surrounding relation to the gutter broom and defines a substantially hollow interior that receives the gutter broom. An air blast nozzle has an air outlet and is operatively mounted on one of the gutter broom shroud, the mounting means and the surface cleaning vehicle such that the air outlet is generally downwardly facing, for emitting a blast of air through the at least one opening in the main structural body towards the surface being cleaned, to thereby clean dirt from the surface being cleaned. | 08-07-2014 |
20150007411 | HIGH EFFICIENCY DUST CONTROLLING GUTTER BROOM APPARATUS - A high efficiency dust controlling gutter broom apparatus comprises a mounting arm, and a gutter broom having a mounting structure and bristles depending from the mounting structure. The gutter broom is mounted via the mounting structure in supported relation on the mounting arm for rotation about a gutter broom axis. A gutter broom motor rotates the gutter broom about the gutter broom axis. A shroud has a roof portion and a wall portion depending from the roof portion. The shroud is mounted in supported relation on the mounting arm such that the roof portion covers at least a rear portion of the mounting structure of the gutter broom and the wall portion covers at least a rear portion of the bristles of the gutter broom. An air-flow precluding member is secured to the gutter broom for rotation therewith, to thereby substantially obstruct air flow through the gutter broom. | 01-08-2015 |
20150026913 | APPARATUS FOR USE AS PART OF A SURFACE CLEANING VEHICLE AND FOR USE AS PART OF A SANDER-SALTER VEHICLE - An apparatus comprises a main hopper having a surface cleaning configuration and a sander-salter configuration. In the surface cleaning configuration, the main hopper has a debris-laden airflow ingress, an airflow egress, and a debris dumping egress, and is sealed to the ambient surroundings other than the debris-laden airflow ingress and the airflow egress. In the sander-salter configuration, the main hopper has a sander and salt receiving ingress and a sand and salt egress. In use, in the surface cleaning configuration, the debris-laden air enters the main hopper through the debris-laden airflow ingress, air exits the main hopper through the airflow egress, and the debris exits the main hopper through the debris dumping egress. In use, in the sander-salter configuration, the sand and salt enter the main hopper through the sander and salt receiving ingress, and the sand and salt exit the main hopper through the sand and salt egress. | 01-29-2015 |