WO1998055269A1 - Vorsatz für einen schrauber - Google Patents
Vorsatz für einen schrauber Download PDFInfo
- Publication number
- WO1998055269A1 WO1998055269A1 PCT/EP1998/002499 EP9802499W WO9855269A1 WO 1998055269 A1 WO1998055269 A1 WO 1998055269A1 EP 9802499 W EP9802499 W EP 9802499W WO 9855269 A1 WO9855269 A1 WO 9855269A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nut
- receiving part
- tool
- attack
- screw
- Prior art date
Links
- 230000004323 axial length Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/1415—Break members; Arrangements specially adapted for break-bolts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
Definitions
- the invention relates to an attachment for a screwdriver, with a screwdriver engagement part and with a nut having a tool attack for screwing in a screw with an attack section that can be broken off, unscrewed or torn off when the nut is intentionally overtightened, the nut having a channel emanating from the tool attack.
- an overturn protection for screws i.e. To achieve a tight fit for screws without damaging the thread area, among other things the possibility is provided that the engagement section of a screw or a corresponding part of the engagement section is broken off, twisted or torn off when a screw is finally set, thus completing the setting process.
- an overturn protection is created by arranging a predetermined breaking point.
- the attack sections which have been broken off, turned off or torn off cannot simply lie around afterwards in every type of processing, since under certain circumstances the surface of the fastened workpieces or overlying covers can be damaged.
- the present invention has therefore set itself the task of creating an attachment for a screwdriver with which the broken, twisted or torn off attack sections of a screw can be picked up and collected.
- the channel opens into an interior of a pot-shaped receiving part for attack sections broken, turned or torn off by a screw, the open side of which is closed by the nut inserted in a torsion-proof and axially secured manner except for the channel passing through the nut, and the latter opposite side is provided with the screwdriver part.
- This measure according to the invention creates a possibility that a corresponding attack section can get into an interior of a receiving part immediately after breaking off, twisting or tearing off through a channel, where a multiplicity of such separated attack sections can be accommodated. As soon as a corresponding amount of such attack sections has been collected in the interior of the receiving part, it can be emptied. This eliminates the additional work involved in picking up or collecting the separated attack sections. Since the receiving part is pot-shaped, the open side of which is closed by the non-rotatably and axially secured nut except for the channel running through the nut, the nut itself can be removed for emptying the receiving part, so that no additional measures with corresponding openings must be provided in the receiving part. Therefore, the receiving part can be designed in a structurally simple manner practically essentially as a hollow cylinder, which is closed on the open side by the nut itself.
- the nut can be carried out at both ends with a tool attack and can be inserted in the receiving part in a rotationally fixed and axially secured manner with one of the two axially spaced ends. There is therefore the possibility of achieving a longer lifespan of the nut, for example, by carrying it out at both ends with a tool attack.
- the nut can be used with different engagement sections of screws, in particular also with screws that have two different engagement sections at the same time.
- the one attack section can be broken off, twisted off or torn off, whereas the other attack section serves to be able to loosen the screw that has already been finally set later, if necessary.
- these two engagement sections fundamentally have a different shape and / or size, and the desired tool engagement can be formed at both ends of the nut.
- the screw to be screwed in with its engagement section in the nut can be held accordingly until the screw is attached to the workpiece, it is proposed according to the invention that in the area of at least one of the tool attacks, the nut resiliently engages in the radial direction in the recess of the tool attacks. are seen. This gives the possibility of captively inserting the screw over its engagement section by applying the appropriate force and making it easier to attach it.
- a non-rotatable bracket between the receiving part and the nut is required.
- An embodiment variant provides that a circumferential collar with a toothing, a multi-edged design or the like is formed approximately in the central area with respect to the axial length of the nut, and that a corresponding toothing, multi-edged design or the like at the open edge area of the pot-like receiving part for rotational driving the like is provided. This creates a simple connection for transmitting the necessary torque, which is effective by axially plugging the receiving part and the nut, i.e. no complicated assembly or any need to tighten screws or couplings is required.
- the simple possibility of mounting the nut in a receiving part is further improved in particular by forming an annular groove at a distance from the respective end of the nut, into which a resilient ring body inserted into a groove in the inner wall of the pot-like receiving part, e.g. an O-ring, engages.
- a resilient ring body inserted into a groove in the inner wall of the pot-like receiving part, e.g. an O-ring, engages.
- FIG. 1 shows a section through an attachment according to the invention for a screwdriver.
- FIG. 2 shows a view of a screw that can be operated with this attachment, for example
- FIG. 3 is a view MI-HI in Fig. 1st
- An attachment 1 for a screwdriver in the manner according to the invention consists of a receiving part 3 and a nut 2.
- the receiving part 3 is followed by a screwdriver engagement part 4, with which the rotary driving and the axial mounting are accomplished in a screwdriver.
- This attachment according to the invention is to be used above all for screwing in screws 1 7, which have an attack section 1 8 that can be broken off, twisted off or torn off when the screwing is intended.
- the nut 2 has a tool engagement 6, which is carried out essentially corresponding to the engagement section 18 of the screw 17.
- a channel 8 adjoins the tool attack 6 in the nut 2 and opens into an interior 5 of the receiving part 3, which is advantageously cup-shaped.
- the screw 1 7 is now set and a torque occurs which, for example when a predetermined breaking point is arranged at the screw-side end of the engagement section 18, causes the engagement section 18 to be unscrewed, then the attachment 1 could continue to rotate without the screw 1 7 rotating further , but then the screwing process for the screw is finished.
- the torn or twisted attack section 1 8 then goes directly into the channel 8 and from there into the interior 5 of the receiving part 3.
- the twisted receiving parts 1 8 are thus received in the channel 8 and in the adjoining interior 5 in turn.
- the nut has a tool attack 5 at one end. Since the nut 2 itself forms the closure of the receiving part 3, can additionally yet an advantageous construction can be created by the corresponding parts for the torsion-proof and axially secured arrangement of the nut are, so to speak, mirror images of two different ends. It is then possible to provide 2 tool attacks 6 and 7 on both axially spaced ends of the nut, which are expediently designed differently in order to be able to accommodate different designs of engagement sections 1 8 and 1 9. In the special screw 1 7 according to FIG.
- two engagement sections 1 8 and 1 9 are provided, the engagement section 18 being able to be twisted off or torn off due to a predetermined breaking point and the engagement section 1 9 serving to be able to unscrew the screw if necessary.
- the attack section 18 is designed, for example, as a square and the attack section 19 as a hexagon. Accordingly, the tool attack 6 will be used when the screw is screwed in and the tool attack 7 if the screw 17 is unscrewed.
- the nut 2 can also be spring-loaded in the radial direction in a known manner Recess of the tool engagement 6 engaging holding element 1 5 can be provided.
- This holding element 1 5, which is designed, for example, in the form of a ball or a bolt, can be loaded in the radial direction against the tool attack by a corresponding spring element 1 6.
- the nut is provided with a circumferential collar which is arranged approximately in the middle area in relation to the axial length of the nut 2.
- the collar 9 advantageously has a polygonal design 11 on its circumference.
- a corresponding polygonal formation 10 is provided in the form of a corresponding opening for driving the nut 2.
- an annular groove 1 2 is formed at a distance from the respective end of the nut 2, in which a resilient annular body 1 3 inserted into a groove 14 in the inner wall of the pot-like receiving part 3 engages for the axial holding of the nut 2.
- a type of O-ring can also be used here. It is now irrelevant with which end the nut 2 is inserted into the interior 5 of the receiving part 3, since the corresponding configuration in the region of the collar 9 and the corresponding arrangement at the free end of the receiving part 3 always entrainment and by the annular body 13 and the associated grooves 12 an axial securing are guaranteed. The screw-in pressure in the axial direction is transmitted via the collar 9, since this is supported on a stop 20 of the receiving part 3.
- a corresponding tool engagement 6 is sufficient at one end of the nut 2, so that the nut 2 itself could be made significantly shorter.
- all that is required is the corresponding holder by the ring body 13, which engages in a groove 14, and the arrangement of the collar 9 with the corresponding toothing or multi-edged design or the like.
- channel 8 which is enlarged in cross section in relation to its cross section, can connect to tool attack 6 in order to facilitate removal of the torn off attack sections 18.
- a connection could be made by means of a thread-like unscrewing, by means of a type Bayonet lock or in the same way by means of resilient ring body and correspondingly different toothing, polygonal designs or the like.
- the nut and the receiving part in one piece or from parts that cannot be detached from one another, in which case a closable removal opening must be provided. It is also possible that the nut itself forms the receiving part with a corresponding interior, the nut serving in this case as an insert which can be inserted into the screwdriver. A cover, a sliding ring or the like can be provided to close the interior that can be emptied. With such a design, however, the nut will usually only have a tool attack.
- the attachment according to the invention proves to be particularly advantageous in that it does not necessarily have to be used when screwing in screws or can only be used where there are attack sections that can be broken off, twisted off or torn off. Due to the very simple construction and the special design of the nut itself, such an attachment can be used to screw in any type of screw.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Pens And Brushes (AREA)
- Food-Manufacturing Devices (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Magnetic Heads (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT98922779T ATE210539T1 (de) | 1997-06-02 | 1998-04-28 | Vorsatz für einen schrauber |
PL98337132A PL186334B1 (pl) | 1997-06-02 | 1998-04-28 | Przystawka do wkrętarki |
AU75292/98A AU737071B2 (en) | 1997-06-02 | 1998-04-28 | Screwdriver adapter |
EP98922779A EP0986451B1 (de) | 1997-06-02 | 1998-04-28 | Vorsatz für einen schrauber |
US09/445,116 US6324946B1 (en) | 1997-06-02 | 1998-04-28 | Screwdriver adapter |
EA199901073A EA001021B1 (ru) | 1997-06-02 | 1998-04-28 | Насадка для винтоверта |
DE59802448T DE59802448D1 (de) | 1997-06-02 | 1998-04-28 | Vorsatz für einen schrauber |
JP11501368A JP2000511829A (ja) | 1997-06-02 | 1998-04-28 | ねじ回し用アダプタ |
BR9814796-0A BR9814796A (pt) | 1997-06-02 | 1998-04-28 | Adaptador para aparafusadeira |
NO995888A NO308887B1 (no) | 1997-06-02 | 1999-12-01 | Forsats for en skrunøkkel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19723056A DE19723056C1 (de) | 1997-06-02 | 1997-06-02 | Vorsatz für einen Schrauber |
DE19723056.3 | 1997-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998055269A1 true WO1998055269A1 (de) | 1998-12-10 |
Family
ID=7831169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/002499 WO1998055269A1 (de) | 1997-06-02 | 1998-04-28 | Vorsatz für einen schrauber |
Country Status (13)
Country | Link |
---|---|
US (1) | US6324946B1 (de) |
EP (1) | EP0986451B1 (de) |
JP (1) | JP2000511829A (de) |
CN (1) | CN1067316C (de) |
AT (1) | ATE210539T1 (de) |
AU (1) | AU737071B2 (de) |
BR (1) | BR9814796A (de) |
DE (2) | DE19723056C1 (de) |
EA (1) | EA001021B1 (de) |
ES (1) | ES2169913T3 (de) |
NO (1) | NO308887B1 (de) |
PL (1) | PL186334B1 (de) |
WO (1) | WO1998055269A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2801828B1 (fr) * | 1999-12-03 | 2002-01-11 | Materiel Orthopedique En Abreg | Outil de serrage en deux parties pouvant etre desaccouplees, destine en particulier a la chirurgie orthopedique du rachis |
DE10222230C1 (de) * | 2002-05-16 | 2003-07-31 | Ejot Baubefestigungen Gmbh | Vorrichtung zum Halten und Eindrehen von Schrauben |
DE20209895U1 (de) * | 2002-06-21 | 2002-10-02 | Adolf Würth GmbH & Co. KG, 74653 Künzelsau | Schraubenschlüssel |
US20040231470A1 (en) * | 2003-05-23 | 2004-11-25 | Peter Maznicki | Protective socket having strengthened tool-drive hole |
US7051629B2 (en) * | 2004-07-23 | 2006-05-30 | Yung Hsu Huang | Tool handle adjustable to different length |
US9017333B2 (en) * | 2008-04-17 | 2015-04-28 | Warsaw Orthopedic, Inc. | Surgical tool |
US7874233B1 (en) * | 2008-12-29 | 2011-01-25 | Taylor Jeffrey L | Adaptor tool assembly |
US7921753B2 (en) * | 2009-04-28 | 2011-04-12 | Ho-Tien Chen | Screw locking tool |
US20110066156A1 (en) * | 2009-09-14 | 2011-03-17 | Warsaw Orthopedic, Inc. | Surgical Tool |
US8974932B2 (en) | 2009-09-14 | 2015-03-10 | Warsaw Orthopedic, Inc. | Battery powered surgical tool with guide wire |
US9352455B2 (en) | 2011-09-20 | 2016-05-31 | Milwaukee Electric Tool Corporation | Fastener driver and extension |
CN105269511A (zh) * | 2014-07-10 | 2016-01-27 | 上海航天设备制造总厂 | 密封圈的装配辅助工装 |
US9416810B2 (en) * | 2014-07-11 | 2016-08-16 | Rtodds Engineering, Llc | Elastomeric retaining devices for joining elements |
US20180133880A1 (en) * | 2016-11-16 | 2018-05-17 | Schley Products, Inc. | Quick change pneumatic hammer |
US10495128B2 (en) * | 2017-10-19 | 2019-12-03 | The Boeing Company | Tooling assembly and method for installation of a frangible fastener |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593583A (en) * | 1982-10-25 | 1986-06-10 | Hi-Shear Corporation | Torque tool adapted to set a fastener and to secure and retain fastener fragments |
EP0723086A1 (de) * | 1995-01-17 | 1996-07-24 | Etablissements CAILLAU | Schraube mit einem trennbaren Schraubenkopf und Schraubwerkzeug für eine solche Schraube |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023015A (en) * | 1960-01-05 | 1962-02-27 | Melvin W Pankow | Reversible bit drill attachment |
US3979978A (en) * | 1974-05-15 | 1976-09-14 | Smolik Robert A | Nail setting tool |
US4615242A (en) * | 1985-08-16 | 1986-10-07 | I. M. Engineering Ltd. | Cap collecting opener |
DE3610749A1 (de) * | 1986-03-29 | 1987-10-01 | Helfer & Co Kg | Kraftantreibbarer schraubkopf |
DE19513748A1 (de) * | 1995-04-11 | 1996-10-17 | Enrico Hilbert | Vorrichtung zur Aufnahme von Bohrrückständen für Bohrmaschinen |
DE29519325U1 (de) * | 1995-12-06 | 1996-02-15 | Ush Schraubwerkzeugfabrik Ulrich Schmidt, 57271 Hilchenbach | Steckschlüssel |
-
1997
- 1997-06-02 DE DE19723056A patent/DE19723056C1/de not_active Expired - Fee Related
-
1998
- 1998-04-28 PL PL98337132A patent/PL186334B1/pl not_active IP Right Cessation
- 1998-04-28 US US09/445,116 patent/US6324946B1/en not_active Expired - Lifetime
- 1998-04-28 EP EP98922779A patent/EP0986451B1/de not_active Expired - Lifetime
- 1998-04-28 ES ES98922779T patent/ES2169913T3/es not_active Expired - Lifetime
- 1998-04-28 BR BR9814796-0A patent/BR9814796A/pt not_active IP Right Cessation
- 1998-04-28 CN CN98805750A patent/CN1067316C/zh not_active Expired - Fee Related
- 1998-04-28 DE DE59802448T patent/DE59802448D1/de not_active Expired - Lifetime
- 1998-04-28 AT AT98922779T patent/ATE210539T1/de not_active IP Right Cessation
- 1998-04-28 JP JP11501368A patent/JP2000511829A/ja active Pending
- 1998-04-28 WO PCT/EP1998/002499 patent/WO1998055269A1/de active IP Right Grant
- 1998-04-28 AU AU75292/98A patent/AU737071B2/en not_active Ceased
- 1998-04-28 EA EA199901073A patent/EA001021B1/ru not_active IP Right Cessation
-
1999
- 1999-12-01 NO NO995888A patent/NO308887B1/no not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4593583A (en) * | 1982-10-25 | 1986-06-10 | Hi-Shear Corporation | Torque tool adapted to set a fastener and to secure and retain fastener fragments |
EP0723086A1 (de) * | 1995-01-17 | 1996-07-24 | Etablissements CAILLAU | Schraube mit einem trennbaren Schraubenkopf und Schraubwerkzeug für eine solche Schraube |
Also Published As
Publication number | Publication date |
---|---|
NO995888D0 (no) | 1999-12-01 |
EP0986451B1 (de) | 2001-12-12 |
CN1067316C (zh) | 2001-06-20 |
EP0986451A1 (de) | 2000-03-22 |
EA199901073A1 (ru) | 2000-04-24 |
JP2000511829A (ja) | 2000-09-12 |
DE59802448D1 (de) | 2002-01-24 |
ES2169913T3 (es) | 2002-07-16 |
US6324946B1 (en) | 2001-12-04 |
NO308887B1 (no) | 2000-11-13 |
ATE210539T1 (de) | 2001-12-15 |
BR9814796A (pt) | 2000-10-10 |
AU737071B2 (en) | 2001-08-09 |
EA001021B1 (ru) | 2000-08-28 |
DE19723056C1 (de) | 1998-10-15 |
PL186334B1 (pl) | 2003-12-31 |
PL337132A1 (en) | 2000-07-31 |
NO995888L (no) | 2000-02-01 |
AU7529298A (en) | 1998-12-21 |
CN1259069A (zh) | 2000-07-05 |
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