• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1511085 Hole saw assemblies F SEGAL 28 May 1976 [2 June 1975] 22404/76 Heading B5L [Also in Division B3] In a hole saw assembly comprising an arbor 20 a detachable cup-shaped cutting member 40 and a pilot drill 30, the arbor carries locking and drive-transmitting means, spring-loaded, headed studs 24, for engaging the base 41 of member 40 to draw it into flush contact with face 20b of the arbor such as are disclosed in Specification 1,476,437 and the pilot drill is held in a recess 26 in the arbor by means of an integrally formed or otherwise secured enlarged portion 33 which is trapped by the base 41 when assembled. Portion 33 may be flanged as in Fig. 9 and fits into complementarily shaped recess 26, 27-29, Fig. 4, or may be hexagonal as at 133, Fig. 10, not shown, for reception in a hexagonal through bore (122a) in the arbor, Fig. 7 not shown, which also receives the driving spindle (121). Chip-relieving apertures 42a may be provided in cutting member 40.
    公开号:SU730286A3
    申请号:SU762370050
    申请日:1976-06-02
    公开日:1980-04-25
    发明作者:Сигал Фред
    申请人:За витель；
    IPC主号:
    专利说明:

    The invention relates to metal cutting and can be isg. Used in tool industry. A combined tool is known, represented by itself as a tool, in which a centrifugal drill is installed in the centric hole, and a cylindrical saw 1 is fixed at the end of the mandrel. However, in a known tool, the twist drill is fastened in the mandrel with a set screw, which reduces the reliability of its fastening. The purpose of the invention is to increase the reliability of fastening the drill. For this, the proposed tool is provided with a wedge that is installed on the shank of the twist drill / and a central recess is made at the end of the mandrel, the shape of which corresponds to the configuration of the outer surface of the sleeve. FIG. 1 shows the described instrument; in fig. 2 - the same, partially disassembled; in fig. 3 - section AA in FIG. one; in fig. 4 is a view along arrow B in FIG. 2; Figures 5 and 6 show versions of a sleeve mounted on a twist drill. The combined tool contains a mandrel ij twist drill 2 and a cylindrical saw 3, At the end of the mandrel, a central recess 4 and two holes a and b are installed, into which T-shaped fingers 5, 6 and springs 7 surrounding them are installed B. a sleeve 9, the configuration of which corresponds to the configuration of the recess 4. The cylindrical saw 3 comprises a cutting part 10 and a window 11 for removing - chips. At the end of the saw, there is a central hole for accommodating the shank of the twist drill 2 and arc-shaped notches g, under the fingers 5, 6. On the mandrel 1 there is a spindle 12, which causes the tool to rotate. When installing a twist drill in the mandrel, the sleeve 9 completely fits into the recess 4, forming a backlash-free connection, and fingers 5, 6 are inserted into the arc-shaped cutouts g and d at the end of the cylindrical saw and turn the gauge in one direction or the other, resulting in the drill , locked between the ends of the mandrel and the saw.
    Such a connection increases the reliability of fastening the drill, prevents the occurrence of vibrations during processing and eliminates the possibility of detachment of parts of the combined tool.
    权利要求:
    Claims (1)
    [1]
    1. US Patent No. 3880546, cl. .408-204, pub. 1975.
    .2
    Fig.}
    fPLi Y
    类似技术:
    公开号 | 公开日 | 专利标题
    SU730286A3|1980-04-25|Combined tool
    SU736864A3|1980-05-25|Tool for cutting holes
    JP2641929B2|1997-08-20|Tool holders and tools for drilling and chisel tools
    EP1753575B1|2014-08-13|A hole saw assembly
    US2532815A|1950-12-05|Special lock screw
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    JPH08267443A|1996-10-15|Drill tool for rotary impact type hole-making for rock
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    US5819827A|1998-10-13|Stump grinder tooth and pocket combination
    US3625554A|1971-12-07|Device for rapid fixing of a tool to the end of a rotating shaft
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    SU1558567A1|1990-04-23|Mandrel
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    SU1468687A1|1989-03-30|Arrangement for securing axial tool
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    同族专利:
    公开号 | 公开日
    US3973862A|1976-08-10|
    JPS51147084A|1976-12-17|
    CH599821A5|1978-05-31|
    BR7603503A|1977-01-04|
    BE842399A|1976-12-01|
    DE2624370A1|1976-12-16|
    SE7605955L|1976-12-03|
    DE2624370B2|1979-08-23|
    AU1438976A|1977-09-22|
    CA1012037A|1977-06-14|
    FR2313162B1|1978-11-03|
    DE2624370C3|1980-04-30|
    NL7605756A|1976-12-06|
    FR2313162A1|1976-12-31|
    ZA763099B|1977-04-27|
    GB1511085A|1978-05-17|
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    GB9423388D0|1994-11-19|1995-01-11|Eldon Eng Comp Ltd|Holesaw assembly|
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    US5842820A|1997-01-23|1998-12-01|Lee Valley Tools Ltd.|Cutter for use in forming dowels, plugs, and tenons|
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    US5868532A|1997-03-24|1999-02-09|American Saw & Mfg. Company|Arbor for engaging a saw|
    GB2324486B|1997-04-24|2001-06-20|Marcrist Ind Ltd|Masonry core-cutting tool|
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    US6588992B2|2001-02-06|2003-07-08|Black & Decker Inc.|Hole saw|
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    DE602004029213D1|2003-02-18|2010-11-04|Greenlee Textron Inc|Quick-change spindle unit for hole saw|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US05/583,203|US3973862A|1975-06-02|1975-06-02|Pilot drill locating means for hole saw assembly|
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