FR661723A - Improvements to screw or nut tightening devices, devices applicable to rotary tools, portable mechanically operated - Google Patents

Improvements to screw or nut tightening devices, devices applicable to rotary tools, portable mechanically operated

Info

Publication number
FR661723A
FR661723A FR661723DA FR661723A FR 661723 A FR661723 A FR 661723A FR 661723D A FR661723D A FR 661723DA FR 661723 A FR661723 A FR 661723A
Authority
FR
France
Prior art keywords
devices
screw
mechanically operated
rotary tools
nut tightening
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.)
Independent Pneumatic Tool Co
Original Assignee
Independent Pneumatic Tool Co
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 Independent Pneumatic Tool Co filed Critical Independent Pneumatic Tool Co
Application granted granted Critical
Publication of FR661723A publication Critical patent/FR661723A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B25B21/026—Impact clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR661723D 1928-09-17 1928-09-17 Improvements to screw or nut tightening devices, devices applicable to rotary tools, portable mechanically operated Expired FR661723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR661723T 1928-09-17

Publications (1)

Publication Number Publication Date
FR661723A true FR661723A (en) 1929-07-29

Family

ID=9011056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR661723D Expired FR661723A (en) 1928-09-17 1928-09-17 Improvements to screw or nut tightening devices, devices applicable to rotary tools, portable mechanically operated

Country Status (1)

Country Link
FR (1) FR661723A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030166A1 (en) * 1995-03-29 1996-10-03 Georg Baersch Motor-driven rotary percussion tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996030166A1 (en) * 1995-03-29 1996-10-03 Georg Baersch Motor-driven rotary percussion tool

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