HRP20110798T1 - A sander used in particular for sanding of flat, concave, and convex surfaces and the method of its utilisation - Google Patents

A sander used in particular for sanding of flat, concave, and convex surfaces and the method of its utilisation Download PDF

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Publication number
HRP20110798T1
HRP20110798T1 HR20110798T HRP20110798T HRP20110798T1 HR P20110798 T1 HRP20110798 T1 HR P20110798T1 HR 20110798 T HR20110798 T HR 20110798T HR P20110798 T HRP20110798 T HR P20110798T HR P20110798 T1 HRP20110798 T1 HR P20110798T1
Authority
HR
Croatia
Prior art keywords
pressure plate
grinding tool
sanding
screws
pressure
Prior art date
Application number
HR20110798T
Other languages
Croatian (hr)
Inventor
Fronek Petr
Original Assignee
Flexicat S.R.O.
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 Flexicat S.R.O. filed Critical Flexicat S.R.O.
Publication of HRP20110798T1 publication Critical patent/HRP20110798T1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
    • B24D15/04—Hand tools or other devices for non-rotary grinding, polishing, or stropping resilient; with resiliently-mounted operative surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/06—Portable grinding machines, e.g. hand-guided; Accessories therefor with abrasive belts, e.g. with endless travelling belts; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Crushing And Grinding (AREA)

Abstract

The sander for sanding particularly of the flat, concave and convex surfaces and the method of its usage is based on the fact, that the sanding tool (paper, linen or other carrier with sanding abrasive layer) is pressed onto the grinded surface by means of a flexible pressure plate able to copy the concave and convex surfaces with the possibility to set accurately the radius of this curve. The principle of the technical solution of the invention of the flexible pressure plate consists in the fact, that the pressure generated during the work onto the body, handle, or handles of the sander with mechanical drive is transferred onto this pressure plate at least at two points simultaneously or over at least one balance beam.

Claims (17)

1. Brusni alat se koristi posebno za brušenje ravnih, konkavnih ili konveksnih površina, sa jednolikom raspodjelom pritiska na radnu površinu, sastoji se od najmanje jedne fleksibilne ploče (1) koja na svom donjem dijelu ima pričvršćenu spužvastu gumu (2) i suhu spojnicu (3) za prihvat alata za brušenje, najmanje dva para držača (4) čvrsto spojena na potisnu ploču (1), gdje svaki par držača ima vijke (5, 6) za spajanje držača (4) sa parom balansnih poluga (8), gdje svaka balansna poluga (8) ima na jednom kraju provrt za prvi (5) od navedenih vijaka i na dugom kraju prorez (7) koji dozvoljava lateralni pomak drugog (6) od navedenih vijaka, tako da su drugi vijak (6) i držač (4) montirani u prorezu (7) na način da je omogućeno pomicanje, sa najmanje dva dodatna vijka (9, 10) koji spajaju jedan par balansnih poluga (8), i najmanje jedan balansni nosač (12) za spajanje dodatnih vijaka (9, 10), što je omogućeno na jednom kraju sa provrtom za navedeni prvi (9) od dodatnih vijaka i na drugom kraju sa prorezom (11) za pomicanje drugog (10) od navedenih vijaka.1. The sanding tool is used especially for sanding flat, concave or convex surfaces, with a uniform distribution of pressure on the working surface, it consists of at least one flexible plate (1) which has a sponge rubber (2) attached to its lower part and a dry coupling ( 3) for holding the grinding tool, at least two pairs of holders (4) firmly connected to the pressure plate (1), where each pair of holders has screws (5, 6) for connecting the holder (4) to a pair of balance levers (8), where each balance lever (8) has at one end a hole for the first (5) of the mentioned screws and at the long end a slot (7) that allows the lateral movement of the second (6) of the mentioned screws, so that the second screw (6) and the holder ( 4) mounted in the slot (7) in such a way that movement is enabled, with at least two additional screws (9, 10) connecting one pair of balance levers (8), and at least one balance support (12) for connecting additional screws (9, 10), which is provided at one end with a hole for the mentioned first (9) of the additional screws and at the other at the end with a slot (11) for moving the second (10) of the mentioned screws. 2. Brusni alat prema Zahtjevu 1, naznačeno time da se sastoji od najmanje dvije fleksibilne potisne ploče (1), sa najmanje četiri para držača (4), sa najmanje četiri para balansnih poluga (8), sa najmanje dvije donje balansne poluge (12) za spajanje dodatnih vijaka (9, 10) i najmanje jednom dodatnom balansnom polugom spojenom kao premoštenje preko navedenih donjih balansnih poluga (12), gdje se donje balansne poluge (12) koriste kao držači.2. Grinding tool according to Claim 1, characterized by the fact that it consists of at least two flexible pressure plates (1), with at least four pairs of holders (4), with at least four pairs of balance levers (8), with at least two lower balance levers (12 ) for connecting additional screws (9, 10) and at least one additional balance lever connected as a bridge over the mentioned lower balance levers (12), where the lower balance levers (12) are used as holders. 3. Brusni alat prema Zahtjevu 1 ili 2, naznačeno time da je držač (4) pomično spojen na poteznu šipku (19) koristeći vijke (5, 21 ili 6), kako bi se omogućio pomak najmanje jednog držača (4) i potisne ploče (1) u odnosu na balansnu polugu (12).3. Grinding tool according to Claim 1 or 2, characterized in that the holder (4) is movably connected to the pull rod (19) using screws (5, 21 or 6), to enable the movement of at least one holder (4) and the pressure plate (1) in relation to the balance lever (12). 4. Brusni alat prema Zahtjevu 1 ili 2, naznačeno time da je opremljen sa najmanje dvije potezne šipke (19), svaka potezna šipka je uvedena u vijke (5, 6) potisne ploče (1) i vijke (21) balansne poluge (12) ili u držač brusnog alata spojene sa dodatnim vijcima sa lateralnim otvorima kako bi se omogućilo slobodno kretanje potezne šipke (19).4. Grinding tool according to Claim 1 or 2, characterized by the fact that it is equipped with at least two pull rods (19), each pull rod is inserted into the screws (5, 6) of the pressure plate (1) and the screws (21) of the balance lever (12). ) or in the holder of the grinding tool connected with additional screws with lateral openings to allow free movement of the draw bar (19). 5. Brusni alat prema Zahtjevu 3 ili 4, naznačeno time da vijak (21) je u svojoj osi spojen sa vijkom za osiguranje (22) da bi se fiksirao položaj potezne šipke (19) u ovom vijku.5. Grinding tool according to Claim 3 or 4, characterized in that the screw (21) is connected in its axis with the securing screw (22) in order to fix the position of the pull rod (19) in this screw. 6. Brusni alat prema Zahtjevu 1 ili 2, naznačeno time da je potpuno pokriven stabilnim poklopcem sa fleksibilnim remenom koji je potisnut pomoću opruga od plosnatog profila, gdje poklopac ima otvore za usisavanje brusne prašine u slučaju da potisna ploča i brusni materijal imaju otvore za usisavanje prašine.6. Grinding tool according to Claim 1 or 2, characterized in that it is completely covered by a stable cover with a flexible belt that is pushed by means of springs from a flat profile, where the cover has openings for suction of sanding dust in case the pressure plate and the abrasive material have suction openings dust. 7. Brusni alat prema Zahtjevu 1 ili 2, naznačeno time da je fleksibilna potisna ploča (1) brusnog alata opremljena mehaničkim pogonom koji je sjedinjen sa donjom površinom potisne ploče koja ima najmanje jednu pokretnu profiliranu ploču (27) koja se mehanički pomiče linearno između potisne ploče i površine koja se brusi, gdje je donja površina pokretne profilirane ploče opremljena sa poznatim sistemom za pričvršćivanje brusnog materijala, uglavnom brusnog papira ili brusnog platna ili abrazivnog materijala.7. Grinding tool according to Claim 1 or 2, characterized in that the flexible pressure plate (1) of the grinding tool is equipped with a mechanical drive that is united with the lower surface of the pressure plate, which has at least one movable profiled plate (27) that mechanically moves linearly between the pressure plates and surfaces to be sanded, where the lower surface of the movable profiled plate is equipped with a known system for attaching sanding material, mainly sanding paper or sanding cloth or abrasive material. 8. Brusni alat prema Zahtjevu 2, naznačeno time da je najmanje jedna fleksibilna potisna ploča (1) pokretna u suprotnom smjeru u istoj osi kao druga potisna ploča (ploče) (1).8. Grinding tool according to Claim 2, characterized in that at least one flexible pressure plate (1) is movable in the opposite direction in the same axis as the other pressure plate (plates) (1). 9. Brusni alat prema bilo kojem Zahtjevu od 1 do 8, naznačeno time da u području gdje potisna ploča (1) oblikuje rubove od bočnih i gornjih ploha potisne ploče, rub potisne ploče (1) je opremljen bočnim kopčama.9. Grinding tool according to any of Claims 1 to 8, characterized in that in the area where the pressure plate (1) forms the edges of the side and top surfaces of the pressure plate, the edge of the pressure plate (1) is equipped with side clips. 10. Brusni alat prema bilo kojem Zahtjevu od 1 do 9, naznačeno time da se sastoji od najmanje dvije ili više međusobno povezanih potisnih ploča (1) i najmanje dva ili više brusnih traka sa podesivom brzinom, gdje se ove trake kreću u uzajamno suprotnim pravcima.10. Grinding tool according to any of Claims 1 to 9, characterized in that it consists of at least two or more interconnected pressure plates (1) and at least two or more grinding belts with adjustable speed, where these belts move in mutually opposite directions . 11. Način brušenja posebno ravnih, konkavnih ili konveksnih površina sa brusnim alatom prema bilo kojem Zahtjevu od 1 do 10, naznačeno time da ostvareni pritisak na kućište, držač ili ručicu brusnog alata sa mehaničkim pogonom se prenosi istovremeno na potisnu ploču u najmanje dva ili više područja i/ili preko najmanje jedne ili više balansnih poluga.11. A method of grinding particularly flat, concave or convex surfaces with a grinding tool according to any of Claims 1 to 10, characterized in that the pressure exerted on the casing, holder or handle of the grinding tool with a mechanical drive is transmitted simultaneously to the pressure plate in at least two or more area and/or via at least one or more balancing levers. 12. Način prema Zahtjevu 11, naznačeno time da je jednak pritisak primijenjen na najmanje dva ili više mjesta potisne ploče i da se po mogućnosti koristi držač.12. The method according to Claim 11, characterized in that equal pressure is applied to at least two or more places of the pressure plate and that a holder is preferably used. 13. Način prema Zahtjevima 11 ili 12, naznačeno time da potisna ploča (1) pritišće brusni materijal (papir, platno ili drugi nosač abrazivnog materijala) na površinu koja se brusi (14) po cijeloj dužini brusnog alata primjenjujući približno stalni pritisak, koji je ravnomjerno raspoređen po cijeloj površini koja se brusi.13. The method according to Claims 11 or 12, characterized in that the pressure plate (1) presses the abrasive material (paper, canvas or other abrasive material carrier) onto the surface to be sanded (14) along the entire length of the sanding tool by applying an approximately constant pressure, which is evenly distributed over the entire surface to be sanded. 14. Način prema bilo kojem Zahtjevu od 11 do 13 naznačen time da zaobljenost potisne ploče (1) se može učvrstiti pomoću poteznih šipki (19).14. The method according to any Claim from 11 to 13 characterized in that the roundness of the pressure plate (1) can be fixed by means of tension rods (19). 15. Način prema bilo kojem Zahtjevu od 11 do 14 naznačeno time da se zaobljenost podešava korištenjem šablone.15. The method according to any one of Claims 11 to 14, characterized in that the roundness is adjusted using a template. 16. Način prema bilo kojem Zahtjevu od 11 do 15 naznačeno time da odsisavanje brusne prašine je osigurano tako da je fleksibilna pokrovna ploča pritisnuta gumenom brtvom na gornjem dijelu druge fleksibilne potisne ploče gdje između ovih dviju ploča postoji zatvoren prostor gdje potisna ploča nije povezana sa potisnom pločom na bilo koji kruti način i tako se ostvaruje bitan učinak fleksibilnosti potisne ploče.16. The method according to any of Claims 11 to 15, characterized in that the extraction of sanding dust is ensured so that the flexible cover plate is pressed with a rubber seal on the upper part of the second flexible pressure plate where there is a closed space between these two plates where the pressure plate is not connected to the pressure plate in any rigid way and thus the important effect of the flexibility of the pressure plate is achieved. 17. Korištenje brusnog alata i metoda prema bilo kojem Zahtjevu od 1 do 16 za brušenje posebno ravnih, konkavnih i konveksnih površina sa ručnim abrazivnim plohama, kao i strojni pokretanim brusnim alatima linearnog tipa ili tračnog tipa.17. Use of grinding tools and methods according to any of Claims 1 to 16 for grinding especially flat, concave and convex surfaces with manual abrasive surfaces, as well as machine-driven grinding tools of the linear type or belt type.
HR20110798T 2007-06-27 2011-11-02 A sander used in particular for sanding of flat, concave, and convex surfaces and the method of its utilisation HRP20110798T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ20070439A CZ2007439A3 (en) 2007-06-27 2007-06-27 Grinding machine for grinding particularly plane, concave and convex surfaces and method of using thereof
PCT/CZ2008/000073 WO2009000219A2 (en) 2007-06-27 2008-06-26 A sander used in particular for sanding of flat, concave, and convex surfaces and the method of its utilisation

Publications (1)

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HRP20110798T1 true HRP20110798T1 (en) 2011-12-31

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HR20110798T HRP20110798T1 (en) 2007-06-27 2011-11-02 A sander used in particular for sanding of flat, concave, and convex surfaces and the method of its utilisation

Country Status (14)

Country Link
US (1) US20100261414A1 (en)
EP (1) EP2170560B1 (en)
JP (1) JP2010531240A (en)
KR (1) KR20100059787A (en)
CN (1) CN101743096B (en)
AT (1) ATE518624T1 (en)
AU (1) AU2008267634A1 (en)
CZ (1) CZ2007439A3 (en)
DK (1) DK2170560T3 (en)
ES (1) ES2370780T3 (en)
HR (1) HRP20110798T1 (en)
PL (1) PL2170560T3 (en)
RU (1) RU2498893C2 (en)
WO (1) WO2009000219A2 (en)

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Also Published As

Publication number Publication date
CN101743096B (en) 2015-01-21
ES2370780T3 (en) 2011-12-22
JP2010531240A (en) 2010-09-24
PL2170560T3 (en) 2012-01-31
ATE518624T1 (en) 2011-08-15
EP2170560B1 (en) 2011-08-03
WO2009000219A2 (en) 2008-12-31
DK2170560T3 (en) 2011-11-21
RU2010102147A (en) 2011-08-10
KR20100059787A (en) 2010-06-04
CN101743096A (en) 2010-06-16
EP2170560A2 (en) 2010-04-07
AU2008267634A1 (en) 2008-12-31
CZ2007439A3 (en) 2009-01-07
RU2498893C2 (en) 2013-11-20
US20100261414A1 (en) 2010-10-14
WO2009000219A3 (en) 2009-02-12

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