GB2228759A - Surface smoothing tool or scraper - Google Patents

Surface smoothing tool or scraper Download PDF

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Publication number
GB2228759A
GB2228759A GB9003130A GB9003130A GB2228759A GB 2228759 A GB2228759 A GB 2228759A GB 9003130 A GB9003130 A GB 9003130A GB 9003130 A GB9003130 A GB 9003130A GB 2228759 A GB2228759 A GB 2228759A
Authority
GB
United Kingdom
Prior art keywords
handle
leading edge
blade
tool according
grading tool
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
GB9003130A
Other versions
GB9003130D0 (en
GB2228759B (en
Inventor
Anthony Basil Mcmahon
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
Publication of GB9003130D0 publication Critical patent/GB9003130D0/en
Publication of GB2228759A publication Critical patent/GB2228759A/en
Application granted granted Critical
Publication of GB2228759B publication Critical patent/GB2228759B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B1/00—Hand tools
    • A01B1/06—Hoes; Hand cultivators
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
    • E01C19/187—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect solely for spreading-out or striking-off deposited mixtures, e.g. spread-out screws, strike-off boards
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
    • E01C23/082—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades using non-powered tools
    • 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
    • E01H1/12—Hand implements, e.g. litter pickers
    • 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
    • E01H1/12—Hand implements, e.g. litter pickers
    • E01H2001/122—Details
    • E01H2001/1293—Walking cane or the like, i.e. implements allowing handling while in an upright position

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Knives (AREA)

Abstract

A tool suitable for smoothing the surface of a material or as a scraper comprises a blade having a flat plate portion (12) with a leading edge (14) and an upstanding flange portion (15) angled upwardly and rearwardly from a line spaced rearwardly from the leading edge (14). An elongate shaft handle (13) is fixed to the upstanding flange portion (15) and extends forwardly over the leading edge (14), which extends transversely to it, so that the handle can be used to draw the leading edge in a grading motion. The plate portion (12) and upstanding flange (15) are substantially rectangular. <IMAGE>

Description

HAND GRADING TOOL The present invention relates to hand grading tools, in particular for smoothing the surface of materials such as cement, concrete, tarmac, clay or the like but which may also be used as scrapers.
According to the invention there is provided a hand grading tool comprising: a blade having a first, flat plate portion with a substantially straight leading edge and a second, flange portion extending along the first portion at a spacing rearwardly of its leading edge, and extending upwardly from the plate of the first portion; and a handle fixed to the blade and extending forwardly above the leading edge, which edge extends transversely relative to the handle so that the handle may be used to draw the leading edge to remove material when grading a surface.
Preferably the first and second portions of the blade are substantially rectangular and flat. The flange portion desirably extends transversely along the whole length of the upper side of the plate portion, parallel to the leading edge thereof.
In this manner the leading edge of the blade and the upwardly extending flange portion spaced rearwardly from it define a mouth for receiving material graded by the leading edge of the blade.
Embodiments of the invention are now described by way of example, with reference to the accompanying drawings in which: Figure 1 is a perspective view of a first embodiment of hand grading tool; Figure 2 is a side view showing the tool of Figure 1 in use; Figure 3 is a perspective view of a second embodiment of hand grading tool, and Figure 4 is a side view showing the second embodiment in use in the manner of Figure 2.
Referring to Figures 1 and 2 of the drawings there is illustrated a first version of a hand grading tool which is primarily for use in smoothing or levelling the surface of material such as cementitious materials, tarmac and the like. The tool is indicated genererally by the reference numeral 1 and comprises a blade with a flat blade portion 2 set transversely at the end of an elongate handle 3. The blade 2 comprises a substantially flat rectangular-shaped metal plate having a leading or cutting edge 4 which is drawn by the shaft-type handle 3 to remove material for smoothing or levelling off surfaces. The handle 3 is attached to the blade 2 at a transverse rectangular flange 5 which extends upwardly from and along the length of the back of the plate 2.It will be noted that the flange 5 is spaced-apart rearwardly from the leading edge 4 of the plate 2, extending parallel thereto, and as will be particularly seen from Fig. 2 defines, together with the leading edge 4, a mouth for receiving material removed by the leading edge 4 of the blade 2. A socket 6 for receiving the handle 3 is formed approximately midway along the flange 5.
Referring particularly to Fig. 2 one use of the hand tool 1 is in levelling the surface of cementitious material, for example, when laying a path, patio, roadway or the like.
The flat underside of the blade 2 is placed flat on the surface of the material and the blade 2 is then drawn rearwardly in the direction of the arrow A while maintaining the flat underside either horizontai or at a desired angle of inclination to re-distribute material ahead of the leading edge 4 and draw excess material rearwardly to level the surface.
In the first embodiment, the flange 5 extends vertically upwardly from a line half-way back along the first blade portion. In the second embodiment shown in Figures 3 and 4, the flange portion 15 extends upwardly and rearwardly at an angle from the rear-most edge of the flat plate portion 12 of the blade having the leading edge 14.
The blade as shown is made from a single sheet of metal e.g.
steel. The thickness may be e.g. 2 mm approximately. A tubular socket 16 is fixed by nuts and bolts 17, 18 onto the front face of the flange 15 at its centre, and the long straight shaft handle 13 is fitted into this socket 16. A plain sleeve end-grip 19 is provided at the end of the handle instead of the shovel-type grip shown in the first embodiment.
In this version the socket and hence the handle extends substantially perpendicularly from the flange portion 15, but the angle of the flange to the plate 12 is such that the handle extends forwardly over the leading edge at an upward inclination similar to that shown in the first embodiment.
The perpendicularity of the handle to the flange portion has the advantage that the back surface of the flange portion can easily be used for any small tamping operations.
The second embodiment also features a small flange 20 which extends forwardly and upwardly, substantially perpendicularly from along the rear (upper) edge of the flange plate 15. This may be used as a functional edge if desired by inverting the tool, e.g. for trimming small irregularities.
Figure 4 shows the mode of use of the second embodiment, which is analogous to that of the first in the grading operation although the alignment for any tamping is somwhat improved in the second version: see below.
When the surface has been levelled the tool 1 may also be used for trowelling the surface of cementitious material to give a smooth finish.
It will also be appreciated that the tool may be used as a tamping tool, again for use with cementitious materials or indeed other materials such as tarmac, clay and the like.
While the tool is preferably used in a form as illustrated as a tamping tool, it is envisaged that in some versions the handle may be movable into any desired angle. For example, the handle may be attached to the blade by any suitable joint which facilitates pivotal movement of the handle relative the blade and which may be used to lock the handle in any desired position.
Alternatively, the flange may include two or more sockets into which the handle may be fitted at desired angles.
It will also be appreciated that the tool may be used for working, and especially for levelling, materials other than cementitious materials. For example, the grader tool may be used for levelling or tamping tarmac or as a soil working implement.
In addition, the tool may be used as a scraping device, for example, as a yard scraper for agricultural or other uses. For these purposes it may be provided with a resilient edging e.g. a rubber channel, to fit onto the leading edge and act as a "squeegee".

Claims (10)

CLAIMS:
1. A hand grading tool comprising: a blade having a first, flat plate portion with a substantially straight leading edge and a second, flange portion extending along the first portion at a spacing rearwardly of its leading edge, and extending upwardly from the plane of the first portion; and a handle fixed to the blade and extending forwardly above the leading edge, which edge extends transversely relative to the handle so that the handle may be used to draw the leading edge to remove material when grading a surface.
2. A hand grading tool according to claim 1 in which the first, plate portion is substantially rectangular.
3. A hand grading tool according to claim 1 or claim 2 in which the second, flange portion is rectangular.
4. A hand grading tool according to any one of claims 1 to 3 in which, when the first, plate portion lies horizontally, the handle is angled forward and up.
5. A hand grading tool according to any one of the preceding claims in which the second, flange portion extends the full length of the first, plate portion in the direction of the leading edge.
6. A hand grading tool according to any one of the preceding claims in which the handle is fixed to the forwardly-directed face of the second, flange portion of the blade.
7. A hand grading tool according to claim 6 in which the handle is fixed into a socket fixed to that face.
8. A hand grading tool according to any one of the preceding claims in which the handle extends forwardly substantially at right angles in relation to the under (rear) surface of the flange portion of the blade.
9. A hand grading tool according to any one of the preceding claims in which the handle is a straight elongate shaft.
10. A blade for a hand grading tool according to any one of the preceding claims, having means for fixing the handle thereto.
GB9003130A 1989-02-14 1990-02-12 Hand grading tool Expired - Fee Related GB2228759B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE45889A IE890458L (en) 1989-02-14 1989-02-14 A hand tool

Publications (3)

Publication Number Publication Date
GB9003130D0 GB9003130D0 (en) 1990-04-11
GB2228759A true GB2228759A (en) 1990-09-05
GB2228759B GB2228759B (en) 1993-02-03

Family

ID=11012915

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003130A Expired - Fee Related GB2228759B (en) 1989-02-14 1990-02-12 Hand grading tool

Country Status (2)

Country Link
GB (1) GB2228759B (en)
IE (1) IE890458L (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6179520B1 (en) * 1998-07-31 2001-01-30 Gary Cochran Earth compacting machine
AU742414B2 (en) * 1996-07-19 2002-01-03 Andrew Brian Thorogood Long handled, hand operated screeding tool
US6695531B1 (en) * 2002-05-30 2004-02-24 Thomas Prescott Concrete slumping implement
WO2005056923A1 (en) * 2003-12-11 2005-06-23 Juan Ruiz Ubeda Improved concrete-spreading and -smoothing tool
JP2017006043A (en) * 2015-06-22 2017-01-12 株式会社モルテン Ground leveling implement
WO2023137001A1 (en) * 2022-01-11 2023-07-20 Baron Innovative Technology, Lp Concrete float

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130120A (en) * 1967-08-10 1968-10-09 Tremix Engineering Ltd Improvements in or relating to the laying of concrete and the like materials
GB2189282A (en) * 1986-04-18 1987-10-21 Marshalltown Trowel Co Concrete finishing float

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130120A (en) * 1967-08-10 1968-10-09 Tremix Engineering Ltd Improvements in or relating to the laying of concrete and the like materials
GB2189282A (en) * 1986-04-18 1987-10-21 Marshalltown Trowel Co Concrete finishing float

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU742414B2 (en) * 1996-07-19 2002-01-03 Andrew Brian Thorogood Long handled, hand operated screeding tool
US6179520B1 (en) * 1998-07-31 2001-01-30 Gary Cochran Earth compacting machine
US6695531B1 (en) * 2002-05-30 2004-02-24 Thomas Prescott Concrete slumping implement
WO2005056923A1 (en) * 2003-12-11 2005-06-23 Juan Ruiz Ubeda Improved concrete-spreading and -smoothing tool
JP2017006043A (en) * 2015-06-22 2017-01-12 株式会社モルテン Ground leveling implement
WO2023137001A1 (en) * 2022-01-11 2023-07-20 Baron Innovative Technology, Lp Concrete float

Also Published As

Publication number Publication date
GB9003130D0 (en) 1990-04-11
IE890458L (en) 1990-08-14
GB2228759B (en) 1993-02-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940212