FR511367A - Portable rotary drill with electric drive motor and firedamp safety control coupling, coupling which is engaged and disengaged by axial displacement of the drill bit relative to the machine - Google Patents

Portable rotary drill with electric drive motor and firedamp safety control coupling, coupling which is engaged and disengaged by axial displacement of the drill bit relative to the machine

Info

Publication number
FR511367A
FR511367A FR511367DA FR511367A FR 511367 A FR511367 A FR 511367A FR 511367D A FR511367D A FR 511367DA FR 511367 A FR511367 A FR 511367A
Authority
FR
France
Prior art keywords
coupling
disengaged
engaged
machine
drive motor
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
Application number
Other languages
French (fr)
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.)
Siemens Schuckertwerke AG
Original Assignee
Siemens Schuckertwerke AG
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 Siemens Schuckertwerke AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR511367A publication Critical patent/FR511367A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
FR511367D 1914-06-26 1920-03-09 Portable rotary drill with electric drive motor and firedamp safety control coupling, coupling which is engaged and disengaged by axial displacement of the drill bit relative to the machine Expired FR511367A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE139521X 1914-06-26

Publications (1)

Publication Number Publication Date
FR511367A true FR511367A (en) 1920-12-23

Family

ID=5667809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511367D Expired FR511367A (en) 1914-06-26 1920-03-09 Portable rotary drill with electric drive motor and firedamp safety control coupling, coupling which is engaged and disengaged by axial displacement of the drill bit relative to the machine

Country Status (3)

Country Link
AT (1) AT83571B (en)
FR (1) FR511367A (en)
GB (1) GB139521A (en)

Also Published As

Publication number Publication date
GB139521A (en) 1920-11-18
AT83571B (en) 1921-04-11

Similar Documents

Publication Publication Date Title
US4143722A (en) Downhole flexible drive system
CN114135227A (en) High-stability short-radius deflecting drilling tool
SU1720499A3 (en) Device for drilling directional holes
FR511367A (en) Portable rotary drill with electric drive motor and firedamp safety control coupling, coupling which is engaged and disengaged by axial displacement of the drill bit relative to the machine
NO881426L (en) ENGINE FOR DRILLING DOWN IN DRILL.
US2547079A (en) Transmission for drilling machines
FR479336A (en) Drill with attached blade
CN112065268A (en) A torque-balanced downhole power drilling tool
US2240598A (en) Electric drill
US556502A (en) Electric drill
US894808A (en) Miner's drill.
US1528584A (en) Screw driver
US134305A (en) John north
US789951A (en) Rock-drill.
US495738A (en) Territory
SU74193A1 (en) Turboburn for casing drilling
SU404928A1 (en) Downhole motor
SU118065A1 (en) Electric drill for drilling wells
SU827743A1 (en) Device for connecting the rotor of hole-bottom rotor with stator
SU723087A1 (en) Screw-type borehole-face motor
US1023899A (en) Drill-hole-cleaning attachment for hammer-drills.
FR496495A (en) Improvements to drills or other rotary tools actuated by air or other compressed fluid
GB106057A (en) Improved Portable Drilling Machine.
SU101417A1 (en) Device for drilling wells downhole motor
GB191503997A (en) Improvements in or relating to Electrically Driven Radial-arm Drilling and the like Machines.