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FR2704790B3 - Adjustable hole saw with variable diameter. - Google Patents

Adjustable hole saw with variable diameter.

Info

Publication number
FR2704790B3
FR2704790B3 FR9305551A FR9305551A FR2704790B3 FR 2704790 B3 FR2704790 B3 FR 2704790B3 FR 9305551 A FR9305551 A FR 9305551A FR 9305551 A FR9305551 A FR 9305551A FR 2704790 B3 FR2704790 B3 FR 2704790B3
Authority
FR
France
Prior art keywords
variable diameter
hole saw
adjustable hole
adjustable
saw
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.)
Expired - Lifetime
Application number
FR9305551A
Other languages
French (fr)
Other versions
FR2704790A1 (en
Inventor
Dieu Andre
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 FR9305551A priority Critical patent/FR2704790B3/en
Publication of FR2704790A1 publication Critical patent/FR2704790A1/en
Application granted granted Critical
Publication of FR2704790B3 publication Critical patent/FR2704790B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/04Drills for trepanning
    • B23B51/0426Drills for trepanning with centering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/16004Jaws movement actuated by one or more spiral grooves
    • B23B31/16008Details of the jaws
    • B23B31/16012Form of the jaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2260/00Details of constructional elements
    • B23B2260/004Adjustable elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR9305551A 1993-05-05 1993-05-05 Adjustable hole saw with variable diameter. Expired - Lifetime FR2704790B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9305551A FR2704790B3 (en) 1993-05-05 1993-05-05 Adjustable hole saw with variable diameter.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9305551A FR2704790B3 (en) 1993-05-05 1993-05-05 Adjustable hole saw with variable diameter.

Publications (2)

Publication Number Publication Date
FR2704790A1 FR2704790A1 (en) 1994-11-10
FR2704790B3 true FR2704790B3 (en) 1995-07-28

Family

ID=9446932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9305551A Expired - Lifetime FR2704790B3 (en) 1993-05-05 1993-05-05 Adjustable hole saw with variable diameter.

Country Status (1)

Country Link
FR (1) FR2704790B3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10124417B2 (en) 2013-12-19 2018-11-13 Milwaukee Electric Tool Corporation Adjustable diameter hole cutter

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7938600B1 (en) * 2006-06-08 2011-05-10 Milwaukee Electric Tool Corporation Cutting tool and method of operating the same
US20090149775A1 (en) * 2007-12-07 2009-06-11 Harry Lander Variable-Diameter Punch Biopsy
US8840344B2 (en) * 2011-08-12 2014-09-23 Bruce Winter Stenman Adjustable hole cutters
CN103143753A (en) * 2013-03-22 2013-06-12 屈元财 Disc-type underreamer
DE102015119431A1 (en) * 2015-11-11 2017-05-11 Wolfcraft Gmbh Hole Saw
US20170157687A1 (en) 2015-12-03 2017-06-08 Mark Turner Hole saw
CN106079113B (en) * 2016-08-23 2017-08-15 广州晶体科技有限公司 The expansion bit of detachable cutter head
CN108789867B (en) * 2018-06-08 2023-09-01 深圳市艺中乐珠宝有限公司 Puncher for jewelry convenient to change drill bit
CN111391019A (en) * 2020-03-24 2020-07-10 杭州帮贡科技有限公司 Drilling device capable of changing aperture size and synchronously clamping based on reciprocating motion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10124417B2 (en) 2013-12-19 2018-11-13 Milwaukee Electric Tool Corporation Adjustable diameter hole cutter

Also Published As

Publication number Publication date
FR2704790A1 (en) 1994-11-10

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