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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0426—Drills for trepanning with centering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16004—Jaws movement actuated by one or more spiral grooves
- B23B31/16008—Details of the jaws
- B23B31/16012—Form of the jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/004—Adjustable elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
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)
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)
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 |
-
1993
- 1993-05-05 FR FR9305551A patent/FR2704790B3/en not_active Expired - Lifetime
Cited By (1)
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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