EP0988936B1 - Schraubgerät - Google Patents
Schraubgerät Download PDFInfo
- Publication number
- EP0988936B1 EP0988936B1 EP99810700A EP99810700A EP0988936B1 EP 0988936 B1 EP0988936 B1 EP 0988936B1 EP 99810700 A EP99810700 A EP 99810700A EP 99810700 A EP99810700 A EP 99810700A EP 0988936 B1 EP0988936 B1 EP 0988936B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling part
- tool spindle
- screwing
- intermediate coupling
- tool
- 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
Images
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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0064—Means for adjusting screwing depth
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/141—Mechanical overload release couplings
Definitions
- the invention relates to a screwing device according to the preamble of patent claim 1.
- the Torque clutch is composed of a first clutch part, a second coupling part and one arranged between the two coupling parts Intermediate coupling part.
- the first coupling part is designed as a gear and is in non-rotatable connection with a drive motor.
- the second coupling part stands with one Tool spindle in connection, a screw-in tool at the free end on the direction of rotation receives.
- the intermediate coupling part rotatably arranged on the tool spindle is disc-shaped and is used for torque transmission from the first coupling part to the second coupling part.
- the invention has for its object to provide a screwdriver that is economical can be produced and quickly and securely screwed into an underground can be turned.
- the one pointing in the direction of rotation is advantageous Stop of the tool spindle of a in a circumferential groove Tool spindle arranged circlip formed.
- the second coupling part expediently points on the in the direction of rotation facing side has a locking contour in the form of a tooth-shaped profile, in the starting position of the tool spindle with a positive fit corresponding locking contour of the housing interacts.
- FIG Housing 1 The part of a screwing device according to the invention shown in FIG Housing 1, one via a threaded connection, opposite the housing 1 parallel to Depth stop 2 adjustable in the direction of rotation, one relative to the housing 1 displaceable tool spindle 8, a drive motor, not shown, with a Drive shaft 7 and one between the tool spindle 8 and the drive shaft 7 arranged torque clutch 3.
- the tool spindle is located at an end region facing away from the torque clutch 3 8 with a tool holder 9 in connection.
- This tool holder 9 protrudes with a hexagonal insertion end in a blind hole in the tool spindle 8 and is secured axially by means of a spring-loaded ball.
- the free end of the tool holder 9, which is opposite the insertion end, is also with a Blind hole provided that the inclusion of a screwing tool 14 in the form a screw bit is used.
- This screw bit protrudes into a cross-slit Receiving area of a screw 12 which is screwed into a base 13 shall be.
- the torque clutch 3 has a first clutch part 4 and a second clutch part 6 and an intermediate coupling part 5.
- the first coupling part 4 is rotatable, but axially firmly mounted on the tool spindle 8 and has a tooth-shaped on its peripheral contour Profiling on the form-fitting with a corresponding counter-profiling the drive shaft 7 of the drive motor cooperates.
- On one in the direction of rotation facing side of the first coupling part 4 protrudes at least one cam 41 which positively with at least one further cam 51 of the intermediate coupling part 5 is connectable.
- the second coupling part 6 is fixedly connected to the tool spindle 8 and projects beyond it the outer contour of the same radially.
- a locking contour 61 which in the starting position of the screwdriver with at least one corresponding one Interlocking contour 11 of the housing cooperates.
- the locking contours 61, 11 can be formed, for example, by tooth-shaped profiles.
- the intermediate coupling part 5 is freely rotatably mounted on the tool spindle 8 and due to a stop 81 of the tool spindle 8 against the direction of rotation only limited transfer.
- the stop 81 is formed by a locking ring, which in a circumferential groove of the tool spindle 8 protrudes.
- a spring element 15 in the form of a Coil spring arranged, which in the starting position of the screwing device Intermediate coupling part 5 spaced from the second coupling part 6 against the stop 81 presses.
- first coupling part 4 and the tool spindle 8 Spring 10 also arranged in the form of a helical spring, which the tool spindle 8th in the starting position of the screwing device into a position on the direction of rotation presses in the cams 41, 51 of the first coupling part 6 and the intermediate coupling part are axially spaced apart.
- the screwdriver Before the screwing-in process begins, the screwdriver is in one Starting position according to FIG. 1, in which all coupling parts 4, 5, 6 of the Torque clutch 3 are axially spaced apart.
- the drive motor In the subsequent actuation of an actuation switch, not shown the drive motor, which is also not shown in full, begins to rotate. Whose Rotational movement or torque is generated via the drive shaft 7 of the drive motor the first coupling part 4 and from there via the intermediate coupling part 5 to the second Coupling part 6 and thus transferred to the tool spindle 8.
- the intermediate coupling part 5 is different from the first coupling part 4 and is not removed from the second coupling part 6 is that the cams 41, 51 have mutually interacting flanks that run inclined to the direction of rotation. This results from the torque to be transmitted in the direction of rotation force component that is greater than the force of the between the second coupling part 6 and the intermediate coupling part 5 arranged spring element 15.
- the flanks of the claws 52, 62 run essentially parallel to Screwing.
- the first coupling part 4 rotates relative to the intermediate coupling part 5 until the axial projections of the cams 41, 51 no longer cover. Because at this point in the direction of rotation no more force the intermediate coupling part 5 acts, the prestressed spring element 15 relax between the intermediate coupling part 5 and the second coupling part 6 and push the intermediate coupling part 5 to the first coupling part 4.
- the cams 41, 51 and the claws 52, 62 different extents T1, T2, the two claws 52, 62 come out of engagement and into a position in which they are axially spaced apart at a distance T3, so that even with a continuous rotary movement of the first coupling part 4 and Intermediate coupling part 5 no more rotary movement on the tool spindle 8 can be transferred.
- the distance T3 corresponds to the difference between the extension T2 of the cams 41, 51 and the extension T1 of the claws 52, 62nd
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Formation And Processing Of Food Products (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Window Of Vehicle (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Graft Or Block Polymers (AREA)
- Dowels (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19844064 | 1998-09-25 | ||
DE19844064A DE19844064A1 (de) | 1998-09-25 | 1998-09-25 | Schraubgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0988936A2 EP0988936A2 (de) | 2000-03-29 |
EP0988936A3 EP0988936A3 (de) | 2000-05-10 |
EP0988936B1 true EP0988936B1 (de) | 2002-01-02 |
Family
ID=7882265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99810700A Expired - Lifetime EP0988936B1 (de) | 1998-09-25 | 1999-08-05 | Schraubgerät |
Country Status (11)
Country | Link |
---|---|
US (1) | US6109149A (da) |
EP (1) | EP0988936B1 (da) |
JP (1) | JP2000094353A (da) |
AT (1) | ATE211423T1 (da) |
AU (1) | AU747945B2 (da) |
CA (1) | CA2282213A1 (da) |
DE (2) | DE19844064A1 (da) |
DK (1) | DK0988936T3 (da) |
ES (1) | ES2171069T3 (da) |
NO (1) | NO311012B1 (da) |
PL (1) | PL187800B1 (da) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10032949A1 (de) * | 2000-07-06 | 2002-01-17 | Hilti Ag | Schraubgerät |
US6758116B2 (en) * | 2001-06-28 | 2004-07-06 | Porter-Cable/Delta | Depth adjusting system for a screw gun |
DE10348517B4 (de) * | 2003-10-18 | 2010-03-18 | Hilti Aktiengesellschaft | Schraubgerät |
DE10360282A1 (de) * | 2003-12-20 | 2005-07-14 | Hilti Ag | Handbohrschrauber mit geräuscharmer Drehmomentkupplung |
DE102004011068B3 (de) * | 2004-03-06 | 2005-06-23 | Hilti Ag | Schraubgerät mit Drehmomentkupplung |
DE102004042952A1 (de) * | 2004-09-06 | 2006-03-23 | Hilti Ag | Schraubgerät mit axial wirkendem Schlagmechanismus |
US7185562B2 (en) * | 2004-12-08 | 2007-03-06 | Osteomed L.P. | Disposable battery powered screw driver, locking mechanism, and accessories |
JP2006315093A (ja) * | 2005-05-10 | 2006-11-24 | Hitachi Koki Co Ltd | インパクト工具 |
CN100574946C (zh) | 2005-06-01 | 2009-12-30 | 密尔沃基电动工具公司 | 动力工具 |
US7665392B2 (en) * | 2006-02-08 | 2010-02-23 | Makita Corporation | Tightening tool |
JP5203129B2 (ja) * | 2008-10-16 | 2013-06-05 | 株式会社マキタ | 回転工具 |
DE102011078384A1 (de) | 2011-06-30 | 2013-01-03 | Robert Bosch Gmbh | Trockenbauschrauber |
DE102017108015A1 (de) | 2016-04-15 | 2017-10-19 | Wera-Werk Hermann Werner Gmbh & Co. Kg | Futter mit einstellbarem Tiefenanschlag |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2126673A (en) * | 1937-06-10 | 1938-08-09 | Buckeye Portable Tool Company | Portable power operated tool |
DE3510605A1 (de) * | 1985-03-23 | 1986-10-02 | C. & E. Fein Gmbh & Co, 7000 Stuttgart | Kupplung fuer kraftgetriebene schraubwerkzeuge |
US4809572A (en) * | 1986-12-09 | 1989-03-07 | Makita Electric Works, Ltd. | Power driven screwdriver |
DE3918227C1 (da) * | 1989-06-03 | 1990-11-15 | C. & E. Fein Gmbh & Co, 7000 Stuttgart, De | |
JPH0641811Y2 (ja) * | 1989-12-01 | 1994-11-02 | 日立工機株式会社 | スクリュドライバ |
US5538089A (en) * | 1995-06-05 | 1996-07-23 | The Black & Decker Corporation | Power tool clutch assembly |
-
1998
- 1998-09-25 DE DE19844064A patent/DE19844064A1/de not_active Withdrawn
-
1999
- 1999-08-05 EP EP99810700A patent/EP0988936B1/de not_active Expired - Lifetime
- 1999-08-05 DK DK99810700T patent/DK0988936T3/da active
- 1999-08-05 ES ES99810700T patent/ES2171069T3/es not_active Expired - Lifetime
- 1999-08-05 AT AT99810700T patent/ATE211423T1/de active
- 1999-08-05 DE DE59900711T patent/DE59900711D1/de not_active Expired - Lifetime
- 1999-08-09 AU AU43460/99A patent/AU747945B2/en not_active Ceased
- 1999-09-01 US US09/387,914 patent/US6109149A/en not_active Expired - Lifetime
- 1999-09-13 JP JP11258445A patent/JP2000094353A/ja active Pending
- 1999-09-16 CA CA002282213A patent/CA2282213A1/en not_active Abandoned
- 1999-09-23 PL PL33555799A patent/PL187800B1/pl not_active IP Right Cessation
- 1999-09-24 NO NO19994646A patent/NO311012B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
DE59900711D1 (de) | 2002-02-28 |
NO994646D0 (no) | 1999-09-24 |
CA2282213A1 (en) | 2000-03-25 |
AU747945B2 (en) | 2002-05-30 |
ES2171069T3 (es) | 2002-08-16 |
AU4346099A (en) | 2000-03-30 |
ATE211423T1 (de) | 2002-01-15 |
EP0988936A3 (de) | 2000-05-10 |
EP0988936A2 (de) | 2000-03-29 |
PL335557A1 (en) | 2000-03-27 |
DE19844064A1 (de) | 2000-03-30 |
US6109149A (en) | 2000-08-29 |
NO311012B1 (no) | 2001-10-01 |
NO994646L (no) | 2000-03-27 |
DK0988936T3 (da) | 2002-04-15 |
PL187800B1 (pl) | 2004-10-29 |
JP2000094353A (ja) | 2000-04-04 |
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