EP1541782A1 - Floor stripping blade - Google Patents

Floor stripping blade Download PDF

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Publication number
EP1541782A1
EP1541782A1 EP03257818A EP03257818A EP1541782A1 EP 1541782 A1 EP1541782 A1 EP 1541782A1 EP 03257818 A EP03257818 A EP 03257818A EP 03257818 A EP03257818 A EP 03257818A EP 1541782 A1 EP1541782 A1 EP 1541782A1
Authority
EP
European Patent Office
Prior art keywords
blade
floor
floor stripping
angle
degrees
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.)
Granted
Application number
EP03257818A
Other languages
German (de)
French (fr)
Other versions
EP1541782B1 (en
Inventor
Martin L. Anderson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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 ES03257818T priority Critical patent/ES2264516T3/en
Priority to EP03257818A priority patent/EP1541782B1/en
Priority to DE60304130T priority patent/DE60304130T2/en
Priority to DK03257818T priority patent/DK1541782T3/en
Priority to AT03257818T priority patent/ATE321178T1/en
Publication of EP1541782A1 publication Critical patent/EP1541782A1/en
Application granted granted Critical
Publication of EP1541782B1 publication Critical patent/EP1541782B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/006—Arrangements for removing of previously fixed floor coverings

Definitions

  • This invention relates to blades for carpet and tile floor stripping machines and more particularly to an angled carbide tipped blade.
  • Another type of floor stripping machine has a blade resting on the floor like a plow with a pushing force applied behind the blade parallel to the floor. However it is difficult to keep the blade flat on the floor and the blade will ride up over the material to be stripped.
  • the angled stripper blade has a shoe portion for riding on the floor and having the weight of the machine on it for engaging the floor.
  • a blade on the front portion of the shoe is held parallel to the floor for skiving the ceramic tiles, carpet, tile, adhesive or other material from the floor surface.
  • the blade angle relative to the floor is optimized for stripping the floor.
  • the carbide tip on the shoe is stronger and last longer than a metal blade and can be changed easily when the tip gets dull.
  • the figure is a side view of the angled blade shank.
  • the figure shows a blade 16 having a carbide insert 10 for engaging ceramic tiles or other material to be removed from a floor.
  • the blade 16 has a flat bottom portion 12 for riding on the floor and holding the blade parallel to the surface of the floor.
  • the head of the blade 15 is attached to the top of blade 16 and has a shank 18 attached at an angle which is on the order of 22 degrees from the floor such that the weight of the stripper machine can be used to push down on the blade 12 and keep the blade on the floor such that the carbide insert 10 can skive the unwanted material from the floor.
  • the shank 18 has an aperture 20 for attaching the shank to the stripper machine such that the weight of the machine rests on the surface 12 of blade 16.
  • the angles of the shank in the figure is 22 degrees which is favorable for extending the blade out in front of the machine while placing the weight of the stripper machine on the back portion of the blade 16.
  • the front portion of the blade 12 with the carbide insert 10 has the weight of the machine behind it for pushing on the material to be removed.
  • the carbide insert 10 has a tip angled at 45 degrees which has been found to be an angle which is efficient for skiving material from floors.
  • the blade angle above the insert is 20 degrees to allow the material scraped from the floor to be lifted up easily.
  • the blade 16 can be of any width. The narrower the blade width the easier it is to push along the floor to skive material therefrom but then more passes need to be made to remove all the material from the floor.
  • the carbide insert is shown with a cutting angle of 45 degrees other angles may be used depending on the type of material to be removed from the floor. Similarly the 20 degree angle on the top of the blade 16 can be changed to fit the job to be accomplished.
  • the shank 18 angle of 22 degrees can also be varied depending on the design and weight of the stripper machine and the flooring to be stripped.
  • the shank angle lies between 5 degrees and 45 degrees.
  • the shank angle lies in an optimum range between about 17 degrees and 22 degrees.

Landscapes

  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Knives (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Cleaning In General (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

A floor stripping blade comprising:
  • a blade having a flat bottom surface,
  • a carbide insert attached to the blade,
  • a blade head attached to the blade,
  • a blade shank attached to the blade head for connecting the floor stripping blade to a floor stripping machine at an angle such that the weight of the floor stripping machine rests on the flat bottom surface of the blade resting on the floor in front of the floor stripping machine.
    • Figure 00000001

    Description

      Background of the Invention Field of the Invention
    • This invention relates to blades for carpet and tile floor stripping machines and more particularly to an angled carbide tipped blade.
      • Description of the Related Art
    • There are many types of floor stripping machines. In one type the blades engaging the floor are angled downward and have a large force pushing down on the blade so that it engages the floor at an angle and strips the ceramic tiles, carpet, tile, adhesives and other material from the floor. The blade tips dull quickly and have to be changed frequently.
    • Another type of floor stripping machine has a blade resting on the floor like a plow with a pushing force applied behind the blade parallel to the floor. However it is difficult to keep the blade flat on the floor and the blade will ride up over the material to be stripped.
      • Summary of the Invention
    • The angled stripper blade has a shoe portion for riding on the floor and having the weight of the machine on it for engaging the floor. A blade on the front portion of the shoe is held parallel to the floor for skiving the ceramic tiles, carpet, tile, adhesive or other material from the floor surface. The blade angle relative to the floor is optimized for stripping the floor. The carbide tip on the shoe is stronger and last longer than a metal blade and can be changed easily when the tip gets dull.
      • Objects of the Invention
    • It is an object of the invention to quickly and easily strip a floor of ceramic tiles, carpet, tile, adhesives and other materials.
    • It is an object of the invention to provide a blade tip, which lasts longer without becoming dull.
    • It is an object of the invention to provide a stripper blade, which is easy to change.
    • It is an object of the invention to provide an angled blade with weight on the blade to keep the blade parallel to the floor.
    • It is an object of the invention to hold the blade at an optimal angle to strip the floor.
    • Other objects, advantages and novel features of the present invention will become apparent from the following description of the preferred embodiments when considered in conjunction with the accompanying drawings.
      • Brief Description of the Drawings
    • The figure is a side view of the angled blade shank.
      • Description of the Preferred Embodiments
    • The figure shows a blade 16 having a carbide insert 10 for engaging ceramic tiles or other material to be removed from a floor. The blade 16 has a flat bottom portion 12 for riding on the floor and holding the blade parallel to the surface of the floor. The head of the blade 15 is attached to the top of blade 16 and has a shank 18 attached at an angle which is on the order of 22 degrees from the floor such that the weight of the stripper machine can be used to push down on the blade 12 and keep the blade on the floor such that the carbide insert 10 can skive the unwanted material from the floor.
    • The shank 18 has an aperture 20 for attaching the shank to the stripper machine such that the weight of the machine rests on the surface 12 of blade 16. The angles of the shank in the figure is 22 degrees which is favorable for extending the blade out in front of the machine while placing the weight of the stripper machine on the back portion of the blade 16. The front portion of the blade 12 with the carbide insert 10 has the weight of the machine behind it for pushing on the material to be removed.
    • The carbide insert 10 has a tip angled at 45 degrees which has been found to be an angle which is efficient for skiving material from floors. The blade angle above the insert is 20 degrees to allow the material scraped from the floor to be lifted up easily.
    • The blade 16 can be of any width. The narrower the blade width the easier it is to push along the floor to skive material therefrom but then more passes need to be made to remove all the material from the floor.
    • Although the carbide insert is shown with a cutting angle of 45 degrees other angles may be used depending on the type of material to be removed from the floor. Similarly the 20 degree angle on the top of the blade 16 can be changed to fit the job to be accomplished.
    • The shank 18 angle of 22 degrees can also be varied depending on the design and weight of the stripper machine and the flooring to be stripped. For example, in one preferred aspect, the shank angle lies between 5 degrees and 45 degrees. In another preferred aspect, the shank angle lies in an optimum range between about 17 degrees and 22 degrees.
    • Obviously, many modifications and variations of the present invention are possible in light of the above teachings. It is therefore to be understood that, within the scope of the appended claims, the invention may be practised otherwise than as specifically described.

    Claims (6)

    1. A floor stripping blade comprising:
      a blade having a flat bottom surface,
      a carbide insert attached to the blade,
      a blade head attached to the blade,
      a blade shank attached to the blade head for connecting the floor stripping blade to a floor stripping machine at an angle such that the weight of the floor stripping machine rests on the flat bottom surface of the blade resting on the floor in front of the floor stripping machine.
    2. A floor stripping blade as in claim 1 wherein:
      the carbide insert has a leading cutting edge with an angle of approximately 45 degrees with respect to the surface of the floor for efficiently skiving material from the floor.
    3. A floor stripping blade as in claim 1 wherein:
      the shank is angled at approximately 22 degrees with respect to the floor.
    4. A floor stripping blade as in claim 1 wherein:
      the blade has an angle of approximately 20 degrees adjacent the carbide insert for removing material skived by the carbide insert.
    5. A floor stripping blade as in claim 1 wherein:
      the blade head is on the rear portion of the blade.
    6. A floor stripping blade as in claim 1 wherein:
      the carbide insert is on the front portion of the blade.
    EP03257818A 2003-12-12 2003-12-12 Floor stripping blade Expired - Lifetime EP1541782B1 (en)

    Priority Applications (5)

    Application Number Priority Date Filing Date Title
    ES03257818T ES2264516T3 (en) 2003-12-12 2003-12-12 SOIL KNIFE TOOL.
    EP03257818A EP1541782B1 (en) 2003-12-12 2003-12-12 Floor stripping blade
    DE60304130T DE60304130T2 (en) 2003-12-12 2003-12-12 Cutting tool for removing floor
    DK03257818T DK1541782T3 (en) 2003-12-12 2003-12-12 Floor stripping blade
    AT03257818T ATE321178T1 (en) 2003-12-12 2003-12-12 CUTTING TOOL FOR REMOVAL OF FLOORING

    Applications Claiming Priority (1)

    Application Number Priority Date Filing Date Title
    EP03257818A EP1541782B1 (en) 2003-12-12 2003-12-12 Floor stripping blade

    Publications (2)

    Publication Number Publication Date
    EP1541782A1 true EP1541782A1 (en) 2005-06-15
    EP1541782B1 EP1541782B1 (en) 2006-03-22

    Family

    ID=34486425

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP03257818A Expired - Lifetime EP1541782B1 (en) 2003-12-12 2003-12-12 Floor stripping blade

    Country Status (5)

    Country Link
    EP (1) EP1541782B1 (en)
    AT (1) ATE321178T1 (en)
    DE (1) DE60304130T2 (en)
    DK (1) DK1541782T3 (en)
    ES (1) ES2264516T3 (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US7082686B2 (en) * 2002-11-26 2006-08-01 Anderson Martin L Angled shank blade

    Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2874946A (en) * 1955-10-28 1959-02-24 Vernon A Singleterry Floor covering stripper
    US4860450A (en) * 1985-11-27 1989-08-29 Asdren Limited Surface stripper
    US6105470A (en) * 1998-11-18 2000-08-22 Hutchins; Robert J. Shingle removing tool

    Patent Citations (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2874946A (en) * 1955-10-28 1959-02-24 Vernon A Singleterry Floor covering stripper
    US4860450A (en) * 1985-11-27 1989-08-29 Asdren Limited Surface stripper
    US6105470A (en) * 1998-11-18 2000-08-22 Hutchins; Robert J. Shingle removing tool

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US7082686B2 (en) * 2002-11-26 2006-08-01 Anderson Martin L Angled shank blade

    Also Published As

    Publication number Publication date
    ATE321178T1 (en) 2006-04-15
    DE60304130T2 (en) 2006-10-05
    ES2264516T3 (en) 2007-01-01
    DE60304130D1 (en) 2006-05-11
    DK1541782T3 (en) 2006-05-01
    EP1541782B1 (en) 2006-03-22

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