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US20130019429A1 - Pick-up head system - Google Patents

Pick-up head system Download PDF

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Publication number
US20130019429A1
US20130019429A1 US13/517,521 US201213517521A US2013019429A1 US 20130019429 A1 US20130019429 A1 US 20130019429A1 US 201213517521 A US201213517521 A US 201213517521A US 2013019429 A1 US2013019429 A1 US 2013019429A1
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US
United States
Prior art keywords
debris
passage
debris passage
pick
rearward
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/517,521
Inventor
Roger P. Vanderlinden
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Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US13/517,521 priority Critical patent/US20130019429A1/en
Publication of US20130019429A1 publication Critical patent/US20130019429A1/en
Abandoned legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
    • E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0863—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles
    • E01H1/0872—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles with mechanical loosening or feeding instruments for the dirt to be removed pneumatically, e.g. brushes, scrapers

Definitions

  • the present invention relates to pick-up head systems for factory, sidewalk and street sweepers, and more particularly to such pick-up head systems that fully clean the surface to be cleaned.
  • Prior art recirculating air type surface cleaning vehicles bleed-off a portion of air from the pressure side of the main fan and filter it to atmosphere, while returning the remainder of the air to the pick-up head.
  • air is returned to the pick-up head in the form of a full-width air blast that assists in cleaning the surface and traversing material across the pick-up head to the internal suction port.
  • the fundamental drawback of this arrangement is that re-circulating air is introduced full-width in the pick-up head which includes directly adjacent the point of pick-up suction port which decreases negative pressure in that area and can affect pick-up.
  • the pick-up head system for use with a surface cleaning vehicle.
  • the pick-up head system comprises a housing extending side-to-side between a first end and a second end and extending for-aft between a front end and a back end, and having a bottom peripheral edge; wherein the bottom peripheral edge is configured for interfacing the housing in substantially sealed relation with a surface to be cleaned as the surface cleaning vehicle moves along a surface to be cleaned; a forward debris passage having a bottom opening along its length for permitting the flow of high speed air to impact a surface to be cleaned substantially along the entire length of the forward debris passage; a rearward debris passage having a bottom opening along its length, and disposed rearwardly with respect to the forward debris passage, for permitting the flow of high speed air to impact a surface to be cleaned substantially along the entire length of the rearward debris passage; a divider separating the forward debris passage and the rearward debris passage; wherein the divider has a bottom edge configured for interfacing the divider in substantially
  • FIG. 1 is a side elevational view of the preferred embodiment of the dustless pick-up head system according to the present invention mounted on a surface cleaning vehicle;
  • FIG. 2 is a front perspective view from above of the preferred embodiment dustless pick-up head system according to the present invention
  • FIG. 3 is a side perspective view from underneath of the preferred embodiment dustless pick-up head system of FIG. 1 ;
  • FIG. 4 is a bottom plan view of the preferred embodiment dustless pick-up head system of FIG. 1 ;
  • FIG. 5 is an enlarged sectional rear elevational view of the preferred embodiment dustless pick-up head system of FIG. 1 , showing a movable dividing portion, in a lowered generally horizontal position;
  • FIG. 6 is an enlarged sectional rear elevational view of the preferred embodiment dustless pick-up head system of FIG. 1 , showing the movable dividing portion of FIG. 5 in the housing in a partially raised slanted position.
  • FIGS. 1 through 6 show a preferred embodiment of the pick-up head system of the present invention, as indicated by general reference numeral 100 .
  • the pick-up head system 100 is for use with a surface cleaning vehicle 102 for removing dust (including fine particulate matter) and debris (including bottles, cans, leaves, dirt, and so on) from a surface to be cleaned 104 .
  • the preferred embodiment pick-up head system 100 and comprises a substantially “V”-shaped housing 110 extending side-to-side between a first end 111 and a second end 112 and extending for-aft between a front end 115 and a back end 116 .
  • the housing 110 has bottom peripheral edge 109 configured for interfacing the housing 110 in substantially sealed relation with a surface to be cleaned 104 as the surface cleaning vehicle 102 moves along a surface to be cleaned 104 .
  • a forward debris passage 130 extends from the first end 111 to the second end 112 of the housing 110 and has a bottom opening 114 along its length for permitting the flow of high speed air to impact a surface to be cleaned 104 substantially along the entire length of the forward debris passage 130 , from the first end 111 to the second end 112 .
  • a rearward debris passage 180 has a bottom opening along its length, and is disposed rearwardly with respect to the forward debris passage 130 , for permitting the flow of high speed air to impact a surface to be cleaned 104 substantially along the entire length of the rearward debris passage 180 .
  • a divider 110 d separates the forward debris passage 130 and the rearward debris passage 180 .
  • the divider 110 d has a bottom edge 110 b configured for interfacing the divider 110 d in substantially sealed relation with a surface to be cleaned 104 as the surface cleaning vehicle 102 moves along a surface to be cleaned 104 .
  • the divider 110 d is selectively movable between a plurality of vertical positions to thereby permit the selection of the gap between the bottom edge 110 b of the dividing portion 110 b and the surface to be cleaned 104 .
  • the pick-up head system 100 further comprises an actuator (not specifically shown) for moving the divider 110 d between the plurality of vertical positions.
  • a debris outlet 120 is disposed in a selected one of the forward debris passage 130 and the rearward debris passage 180 for permitting debris to egress the housing 110 .
  • the debris outlet 120 is disposed in the forward debris passage 130 of the housing 110 .
  • the debris outlet 120 is generally centrally disposed in the housing 110 between the first end 111 and the second end 112 .
  • An air supply inlet 181 is disposed in the other one of the forward debris passage 130 and the rearward debris passage 180 for permitting a flow of air to enter the housing 110 , for connection to a source of high speed air flow, specifically the main fan 40 of the surface cleaning vehicle 102 .
  • the air supply inlet 181 is disposed in the forward debris passage 130 .
  • the debris passing opening is also a debris passing opening between the forward debris passage 130 and the rearward debris passage 180 for permitting the flow of air and debris from one to the other.
  • the debris passing opening is preferably disposed right at one, or both, of the first end 111 and the second end 112 of the housing 110 .
  • the air supply inlet 181 supplies a flow of high speed air to the selected one of the forward debris passage 130 and the rearward debris passage 180 .
  • the air travels through the selected one of the forward debris passage 130 and the rearward debris passage 180 , through the debris passing openings 182 a , 182 b to the forward debris passage 130 and the rearward debris passage 180 , and egresses the housing 110 through the debris outlet 120 .
  • the present invention provides a full-width dustless pick-up head system, that cleans virtually all debris from a surface being cleaned, that does not introduce air at the internal suction port, that does not allow for a decrease of air speed in the vacuum chamber, and wherein the on-going overall air blast in the pick-up head has more than one overall opportunity to impact the surface to be cleaned, all of which features are unknown in the prior art.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

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.

Description

    RELATED APPLICATIONS
  • This application is a non-provisional application claiming priority from U.S. Provisional Patent Application Ser. No. 61/496,410 filed on Jun. 13, 2011, which is herein incorporated by reference.
    • FIELD OF THE INVENTION
  • The present invention relates to pick-up head systems for factory, sidewalk and street sweepers, and more particularly to such pick-up head systems that fully clean the surface to be cleaned.
    • BACKGROUND OF THE INVENTION
  • Prior art recirculating air type surface cleaning vehicles bleed-off a portion of air from the pressure side of the main fan and filter it to atmosphere, while returning the remainder of the air to the pick-up head. In many cases, air is returned to the pick-up head in the form of a full-width air blast that assists in cleaning the surface and traversing material across the pick-up head to the internal suction port. The fundamental drawback of this arrangement is that re-circulating air is introduced full-width in the pick-up head which includes directly adjacent the point of pick-up suction port which decreases negative pressure in that area and can affect pick-up.
  • It is an object of the present invention to provide a full-width dustless pick-up head system.
  • It is another object of the present invention to provide a pick-up head system that cleans virtually all debris from a surface being cleaned.
  • It is another object of the present invention to provide a pick-up head system that does not introduce re-circulated air adjacent the internal suction port.
  • It is another object of the present invention to provide a pick-up head system that does not allow for a decrease of air speed in the width of the housing.
  • It is another object of the present invention to provide a pick-up head system that does not allow for a decrease in negative pressure in the width of the housing.
    • SUMMARY OF THE INVENTION
  • In accordance with one aspect of the present invention there is disclosed a novel pick-up head system for use with a surface cleaning vehicle. The pick-up head system comprises a housing extending side-to-side between a first end and a second end and extending for-aft between a front end and a back end, and having a bottom peripheral edge; wherein the bottom peripheral edge is configured for interfacing the housing in substantially sealed relation with a surface to be cleaned as the surface cleaning vehicle moves along a surface to be cleaned; a forward debris passage having a bottom opening along its length for permitting the flow of high speed air to impact a surface to be cleaned substantially along the entire length of the forward debris passage; a rearward debris passage having a bottom opening along its length, and disposed rearwardly with respect to the forward debris passage, for permitting the flow of high speed air to impact a surface to be cleaned substantially along the entire length of the rearward debris passage; a divider separating the forward debris passage and the rearward debris passage; wherein the divider has a bottom edge configured for interfacing the divider in substantially sealed relation with a surface to be cleaned as the surface cleaning vehicle moves along a surface to be cleaned; a debris outlet in a selected one of the forward debris passage and the rearward debris passage for permitting debris to egress the housing; an air supply inlet in the other one of the forward debris passage and the rearward debris passage for permitting a flow of air to enter the housing, for connection to a source of high speed air flow; and a debris passing opening between the forward debris passage and the rearward debris passage for permitting the flow of air and debris from one to the other; and wherein, in use, the air supply inlet supplies a flow of high speed air to the selected one of the forward debris passage and the rearward debris passage, and the air travels through the selected one of the forward debris passage and the rearward debris passage, through the debris passing opening to the other one of the forward debris passage and the rearward debris passage, and egresses the housing through the debris outlet.
  • Other advantages, features and characteristics of the present invention, as well as methods of operation and functions of the related elements of the structure, and the combination of parts and economies of manufacture, will become more apparent upon consideration of the following detailed description and the appended claims with reference to the accompanying drawings, the latter of which is briefly described herein below.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The novel features which are believed to be characteristic of the pick-up head system according to the present invention, as to its structure, organization, use and method of operation, together with further objectives and advantages thereof, will be better understood from the following drawings in which a presently preferred embodiment of the invention will now be illustrated by way of example. It is expressly understood, however, that the drawings are for the purpose of illustration and description only, and are not intended as a definition of the limits of the invention. In the accompanying drawings:
  • FIG. 1 is a side elevational view of the preferred embodiment of the dustless pick-up head system according to the present invention mounted on a surface cleaning vehicle;
  • FIG. 2 is a front perspective view from above of the preferred embodiment dustless pick-up head system according to the present invention;
  • FIG. 3 is a side perspective view from underneath of the preferred embodiment dustless pick-up head system of FIG. 1;
  • FIG. 4 is a bottom plan view of the preferred embodiment dustless pick-up head system of FIG. 1;
  • FIG. 5 is an enlarged sectional rear elevational view of the preferred embodiment dustless pick-up head system of FIG. 1, showing a movable dividing portion, in a lowered generally horizontal position; and
  • FIG. 6 is an enlarged sectional rear elevational view of the preferred embodiment dustless pick-up head system of FIG. 1, showing the movable dividing portion of FIG. 5 in the housing in a partially raised slanted position.
    •  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • Reference will now be made to FIGS. 1 through 6, which show a preferred embodiment of the pick-up head system of the present invention, as indicated by general reference numeral 100. The pick-up head system 100 is for use with a surface cleaning vehicle 102 for removing dust (including fine particulate matter) and debris (including bottles, cans, leaves, dirt, and so on) from a surface to be cleaned 104.
  • The preferred embodiment pick-up head system 100 and comprises a substantially “V”-shaped housing 110 extending side-to-side between a first end 111 and a second end 112 and extending for-aft between a front end 115 and a back end 116. The housing 110 has bottom peripheral edge 109 configured for interfacing the housing 110 in substantially sealed relation with a surface to be cleaned 104 as the surface cleaning vehicle 102 moves along a surface to be cleaned 104. A forward debris passage 130 extends from the first end 111 to the second end 112 of the housing 110 and has a bottom opening 114 along its length for permitting the flow of high speed air to impact a surface to be cleaned 104 substantially along the entire length of the forward debris passage 130, from the first end 111 to the second end 112. A rearward debris passage 180 has a bottom opening along its length, and is disposed rearwardly with respect to the forward debris passage 130, for permitting the flow of high speed air to impact a surface to be cleaned 104 substantially along the entire length of the rearward debris passage 180.
  • A divider 110 d separates the forward debris passage 130 and the rearward debris passage 180. The divider 110 d has a bottom edge 110 b configured for interfacing the divider 110 d in substantially sealed relation with a surface to be cleaned 104 as the surface cleaning vehicle 102 moves along a surface to be cleaned 104. Furthermore, the divider 110 d is selectively movable between a plurality of vertical positions to thereby permit the selection of the gap between the bottom edge 110 b of the dividing portion 110 b and the surface to be cleaned 104. The pick-up head system 100 further comprises an actuator (not specifically shown) for moving the divider 110 d between the plurality of vertical positions.
  • A debris outlet 120 is disposed in a selected one of the forward debris passage 130 and the rearward debris passage 180 for permitting debris to egress the housing 110. In the preferred embodiment, as illustrated, the debris outlet 120 is disposed in the forward debris passage 130 of the housing 110. Further, the debris outlet 120 is generally centrally disposed in the housing 110 between the first end 111 and the second end 112.
  • An air supply inlet 181 is disposed in the other one of the forward debris passage 130 and the rearward debris passage 180 for permitting a flow of air to enter the housing 110, for connection to a source of high speed air flow, specifically the main fan 40 of the surface cleaning vehicle 102. In the preferred embodiment, as illustrated, the air supply inlet 181 is disposed in the forward debris passage 130.
  • There is also a debris passing opening between the forward debris passage 130 and the rearward debris passage 180 for permitting the flow of air and debris from one to the other. The debris passing opening is preferably disposed right at one, or both, of the first end 111 and the second end 112 of the housing 110. In the preferred embodiment, as illustrated, there is a first debris passing opening 182 a disposed at the first end 111 of the housing 110 and a second debris passing 182 b opening disposed at the second end 112 of the housing 110.
  • In use, the air supply inlet 181 supplies a flow of high speed air to the selected one of the forward debris passage 130 and the rearward debris passage 180. The air travels through the selected one of the forward debris passage 130 and the rearward debris passage 180, through the debris passing openings 182 a, 182 b to the forward debris passage 130 and the rearward debris passage 180, and egresses the housing 110 through the debris outlet 120.
  • As can be understood from the above description and from the accompanying drawings, the present invention provides a full-width dustless pick-up head system, that cleans virtually all debris from a surface being cleaned, that does not introduce air at the internal suction port, that does not allow for a decrease of air speed in the vacuum chamber, and wherein the on-going overall air blast in the pick-up head has more than one overall opportunity to impact the surface to be cleaned, all of which features are unknown in the prior art.
  • Other variations of the above principles will be apparent to those who are knowledgeable in the field of the invention, and such variations are considered to be within the scope of the present invention. Furthermore, other modifications and alterations may be used in the design and manufacture of the pick-up head system of the present invention without departing from the spirit and scope of the accompanying claims.

Claims (8)

1. A pick-up head system for use with a surface cleaning vehicle, said pick-up head system comprising:
a housing extending side-to-side between a first end and a second end and extending for-aft between a front end and a back end, and having a bottom peripheral edge;
wherein said bottom peripheral edge is configured for interfacing said housing in substantially sealed relation with a surface to be cleaned as the surface cleaning vehicle moves along a surface to be cleaned;
a forward debris passage having a bottom opening along its length for permitting said flow of high speed air to impact a surface to be cleaned substantially along the entire length of said forward debris passage;
a rearward debris passage having a bottom opening along its length, and disposed rearwardly with respect to said forward debris passage, for permitting said flow of high speed air to impact a surface to be cleaned substantially along the entire length of said rearward debris passage;
a divider separating said forward debris passage and said rearward debris passage;
wherein said divider has a bottom edge configured for interfacing said divider in substantially sealed relation with a surface to be cleaned as the surface cleaning vehicle moves along a surface to be cleaned;
a debris outlet in a selected one of said forward debris passage and said rearward debris passage for permitting debris to egress said housing;
an air supply inlet in the other one of said forward debris passage and said rearward debris passage for permitting a flow of air to enter said housing, for connection to a source of high speed air flow; and,
a debris passing opening between said forward debris passage and said rearward debris passage for permitting the flow of air and debris from one to the other; and,
wherein, in use, said air supply inlet supplies a flow of high speed air to the selected one of said forward debris passage and said rearward debris passage, and said air travels through the selected one of said forward debris passage and said rearward debris passage, through said debris passing opening to the other one of said forward debris passage and said rearward debris passage, and egresses said housing through said debris outlet.
2. The pick-up head system of claim 1, wherein said debris passing opening is disposed at one of said first end and said second end of said housing.
3. The pick-up head system of claim 1, wherein said forward debris passage extends from said first end to said second end of said housing.
4. The pick-up head system of claim 1, wherein said debris outlet is disposed in said forward debris passage of said housing.
5. The pick-up head system of claim 1, wherein said divider is selectively movable between a plurality of vertical positions to thereby permit the selection of the gap between the bottom edge of the dividing portion and the surface to be cleaned.
6. The pick-up head system of claim 1, further comprising an actuator for moving said divider between said plurality of vertical positions.
7. The pick-up head system of claim 1, wherein said housing is substantially “V”-shaped.
8. The pick-up head system of claim 1, wherein said debris outlet is generally centrally disposed is said housing between said first end and said second end.
US13/517,521 2011-06-13 2012-06-13 Pick-up head system Abandoned US20130019429A1 (en)

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US13/517,521 US20130019429A1 (en) 2011-06-13 2012-06-13 Pick-up head system

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Application Number Priority Date Filing Date Title
US201161496410P 2011-06-13 2011-06-13
US13/517,521 US20130019429A1 (en) 2011-06-13 2012-06-13 Pick-up head system

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Application Number Title Priority Date Filing Date
US13/495,857 Abandoned US20130145578A1 (en) 2011-06-13 2012-06-13 Pick-up head system
US13/495,806 Active 2034-07-01 US9408511B2 (en) 2011-06-13 2012-06-13 Pick-up head system having a horizontal sealed debris door for a mobile sweeping vehicle
US13/495,870 Expired - Fee Related US9215958B2 (en) 2011-06-13 2012-06-13 Pick-up head system
US13/517,521 Abandoned US20130019429A1 (en) 2011-06-13 2012-06-13 Pick-up head system
US13/495,832 Abandoned US20130152335A1 (en) 2011-06-13 2012-06-13 Debris shredding pick-up head system
US13/495,779 Abandoned US20130152334A1 (en) 2011-06-13 2012-06-13 Pick-up head system

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US13/495,857 Abandoned US20130145578A1 (en) 2011-06-13 2012-06-13 Pick-up head system
US13/495,806 Active 2034-07-01 US9408511B2 (en) 2011-06-13 2012-06-13 Pick-up head system having a horizontal sealed debris door for a mobile sweeping vehicle
US13/495,870 Expired - Fee Related US9215958B2 (en) 2011-06-13 2012-06-13 Pick-up head system

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US13/495,832 Abandoned US20130152335A1 (en) 2011-06-13 2012-06-13 Debris shredding pick-up head system
US13/495,779 Abandoned US20130152334A1 (en) 2011-06-13 2012-06-13 Pick-up head system

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US (6) US20130145578A1 (en)
EP (2) EP2761094A4 (en)
WO (7) WO2012171097A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130185894A1 (en) * 2011-06-13 2013-07-25 Roger P. Vanderlinden Pick-up head system having a horizontal sealed debris door for a mobile sweeping vehicle

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USD741557S1 (en) 2014-01-15 2015-10-20 Milwaukee Electric Tool Corporation Dust collector
CN105625244B (en) * 2014-11-07 2017-06-09 长沙中联重科环卫机械有限公司 Reposition of redundant personnel suction nozzle and cleaning cart
US10815629B2 (en) * 2015-07-01 2020-10-27 Kann Manufacturing Corporation Garbage truck sweeper attachment
CN106149605B (en) * 2015-08-07 2019-06-21 徐工集团工程机械股份有限公司 A kind of sweeping machine air-transport system and its sweeping machine
CN105239522B (en) * 2015-10-23 2017-01-11 福建龙马环卫装备股份有限公司 Method for designing pneumatic conveying system of sweeping machine based on CFD
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US9215958B2 (en) 2015-12-22
US20130019431A1 (en) 2013-01-24
WO2012171103A1 (en) 2012-12-20
WO2012171099A1 (en) 2012-12-20
EP2761094A1 (en) 2014-08-06
US9408511B2 (en) 2016-08-09
WO2012171102A1 (en) 2012-12-20
US20130152334A1 (en) 2013-06-20
US20130145578A1 (en) 2013-06-13
WO2012171097A1 (en) 2012-12-20
US20130185894A1 (en) 2013-07-25
WO2012171098A1 (en) 2012-12-20
EP2761095A4 (en) 2015-08-12
WO2012171101A1 (en) 2012-12-20
WO2012171100A1 (en) 2012-12-20
US20130152335A1 (en) 2013-06-20
EP2761095A1 (en) 2014-08-06

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