EP0934140B1 - Steckschlüssel - Google Patents
Steckschlüssel Download PDFInfo
- Publication number
- EP0934140B1 EP0934140B1 EP97944714A EP97944714A EP0934140B1 EP 0934140 B1 EP0934140 B1 EP 0934140B1 EP 97944714 A EP97944714 A EP 97944714A EP 97944714 A EP97944714 A EP 97944714A EP 0934140 B1 EP0934140 B1 EP 0934140B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping ring
- wrench
- socket wrench
- ball
- wall
- 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
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
- B25B23/108—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a Philips type bit, an Allen type bit or a socket
Definitions
- the invention relates to a socket wrench for polygonal Screws, with a spring force against a side Drive surface or a polygonal edge of the screw head adjacent pressure piece, which in a wall opening of the Socket wrench is arranged, wherein the pressure piece as in a wall hole with inner support shoulders Ball formed and to apply the spring force over a in the outer circular peripheral surface of the Key incorporated groove lying, slotted, with respect to its circumferential position fixed clamping ring is provided.
- the known socket wrench are, for example, from the German Utility model G 84 28 029.8 or the German utility model 295 19 325.5 known.
- Such sockets are preferably used to hold on and turning non-ferromagnetic screws, where the usual, equipped with an inner magnet Socket wrench with regard to the retention effect of the Magnets on the screw head are ineffective.
- the clamping ring used cannot be as thin as desired be, since otherwise the spring force acting on the ball and thus that on the Screw head exerted holding force could become too small.
- the invention has for its object a generic Train the socket wrench so that it is on the screw head exerted holding force is optimized.
- the holding force on the Screw head can be increased in that the clamping ring slot with respect to the Sphere occupies the geometrical position claimed.
- the clamping ring slot which in the rest can also be wavy or serrated (in such The center of the slot between the am most distant opposite slot edges are defined), can be used a clamping ring whose thickness is around about 50% smaller than that of the clamping rings used otherwise is, the holding force on the screw head in the claimed Angular range for the thinner clamping ring is the same size as that of the thicker clamping ring, if the slot center of the ball z. B. is exactly opposite.
- the groove to be milled can also be on the peripheral surface the key should be comparatively flat, so that there is practically no noticeable reduction in the Wall thickness of the socket wrench comes.
- Socket wrench indispensable for its extensive position to fix.
- the upper end face or front edge of the clamping ring carries a nose that in a Recess of the peripheral surface or peripheral wall of the key head intervenes. Because the width of the clamping ring is only marginal is smaller than the groove width, the clamping ring can be used not slide his nose out of the recess.
- a socket wrench 1 from a clamping pin 2, which rotatably in one Drill chuck, a quick change chuck or the like one rotatable tool can be inserted.
- the actual key head 3 is molded on, the an inner hexagon cavity 4 for inserting a not screw head shown.
- a groove 6 is incorporated, in which a slotted clamping ring 7 is non-rotatable.
- the rotationally secure position of the clamping ring 7 is determined by a nose 8 reached that in the illustrated embodiment of the Groove edge 9 is worn and in a correspondingly shaped Recess 10 engages in the wall 11 of the clamping ring 7 is formed.
- the slot 17 of the clamping ring 7 is according to FIG. 1 with respect to it geometric circumferential position arranged such that the connecting line 18 of the center of the circumference of the key head the center of the sphere and the connecting line 19 of the center the circumference of the key head with the slot center of the Clamping ring slot 17 includes an angle ⁇ of 60 °.
Description
- Fig. 1
- einen Schnitt durch ein Ausführungsbeipiel eines erfindungsgemäßen Steckschlüssels und
- Fig. 2
- eine Seitenansicht des Steckschlüssels gem. Fig. 1.
- 1
- Steckschlüssel
- 2
- Einspannzapfen
- 3
- Schlüsselkopf
- 4
- Sechskanthöhlung
- 5
- äußere Umfangsfläche
- 6
- Nut
- 7
- Spannring
- 8
- Nase
- 9
- Nutkante
- 10
- Aussparung
- 11
- Wandung
- 12
- Wandung
- 13
- Bohrung
- 14
- Tragschulter
- 15
- Tragschulter
- 16
- Kugel
- 17
- Schlitz
- 18
- Verbindungslinie
- 19
- Verbindungslinie
Claims (1)
- Steckschlüssel (1) für mehrkantige Schrauben, mit einem durch Federkraft gegen eine seitliche Antriebsfläche oder eine Mehrkantkante des Schraubenkopfes anliegenden Druckstück, das in einer Wandungsdurchbrechung des Steckschlüssels angeordnet ist, wobei das Druckstück als in einer Wandungsbohrung (13) mit innenliegenden Tragschultern (14), (15) liegende Kugel (16) ausgebildet und zur Aufbringung der Federkraft ein über eine in der äußeren, kreisförmigen Umfangsfläche (5) des Schlüssels (1) eingearbeiteten Nut (6) liegender, geschlitzter, bzgl. seiner umfänglichen Lage fixierter Spannring (7) vorgesehen ist, dadurch gekennzeichnet, dass die Verbindungslinie (18) des Mittelpunkts des Schlüsselkopfumfangs mit dem Kugelmittelpunkt und die Verbindungslinie (19) des Mittelpunkts des Schlüsselkopfumfangs mit der Schlitzmitte des Spannringschlitzes (17) einen Winkel α einschließen, der größer als 40 ° und kleiner als 90 ° ist, und dass zur Fixierung der umfänglichen Lage des Spannrings (7) dieser auf einer der senkrecht zur Schlüssellängsachse liegenden Stirnflächen eine Nase trägt, die in eine Aussparung der Umfangsfläche des Schlüssels eingreift oder der Spannring (7) eine Wandungsaussparung (10) aufweist, in die eine in der Nut (6) ausgebildete Nase (8) eingreift.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19644177 | 1996-10-24 | ||
DE19644177A DE19644177B4 (de) | 1996-10-24 | 1996-10-24 | Steckschlüssel |
PCT/DE1997/002075 WO1998017440A1 (de) | 1996-10-24 | 1997-09-15 | Steckschlüssel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0934140A1 EP0934140A1 (de) | 1999-08-11 |
EP0934140B1 true EP0934140B1 (de) | 2002-07-24 |
Family
ID=7809847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97944714A Expired - Lifetime EP0934140B1 (de) | 1996-10-24 | 1997-09-15 | Steckschlüssel |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0934140B1 (de) |
DE (2) | DE19644177B4 (de) |
DK (1) | DK0934140T3 (de) |
WO (1) | WO1998017440A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008010206U1 (de) | 2008-07-30 | 2008-11-06 | Bd-Werkzeugtechnik Ag | Steckschlüssel |
USD810531S1 (en) | 2016-08-29 | 2018-02-20 | Milwaukee Electric Tool Corporation | Socket |
USD814259S1 (en) | 2016-08-17 | 2018-04-03 | Milwaukee Electric Tool Corporation | Socket |
USD815504S1 (en) | 2016-08-17 | 2018-04-17 | Milwaukee Electric Tool Corporation | Socket |
US9956670B2 (en) | 2016-07-26 | 2018-05-01 | Milwaukee Electric Tool Corporation | Ratchet, ratchet accessory, and kit including the same |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10114906A1 (de) * | 2001-03-26 | 2002-10-10 | Forschungszentrum Juelich Gmbh | Fixierung für Mehrkant-Steckschlüsseleinsätze |
DE102012102394A1 (de) | 2012-03-21 | 2013-09-26 | Wera-Werk Hermann Werner Gmbh & Co. Kg | Steckschlüssel |
ES2735311T3 (es) * | 2012-07-20 | 2019-12-17 | Actuant Corp | Casquillo de agarre, llave y procedimiento de uso |
DE102013015506A1 (de) * | 2013-09-19 | 2015-03-19 | Wera-Werk Hermann Werner Gmbh & Co. Kg | Steckschlüssel |
CN103934797A (zh) * | 2014-04-04 | 2014-07-23 | 浙江吉利控股集团有限公司 | 一种可夹紧螺栓的套筒 |
DE102021104616A1 (de) | 2021-02-26 | 2022-09-01 | Bayerische Motoren Werke Aktiengesellschaft | Steckschlüsseleinsatz und Schraubwerkzeug mit Steckschlüsseleinsatz |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1225771A (fr) * | 1959-02-17 | 1960-07-04 | Savarin & Vve Foinant | Dispositif de maintien temporaire d'un écrou ou d'une vis dans une clé à douille |
CH386356A (fr) * | 1962-12-17 | 1964-12-31 | Schild Sa A | Tournevis |
DE8428029U1 (de) * | 1984-09-22 | 1985-01-03 | Wera Werk Hermann Werner Gmbh & Co, 5600 Wuppertal | Steckschluesseleinsatz fuer aussenmehrkantschrauben |
IT1271504B (it) * | 1993-10-01 | 1997-05-30 | Utensilerie Ass Spa | Chiave a tubo o a bussola con mezzi per il trattenimento dell'elemento di fissaggio da manovrare |
US5533429A (en) * | 1994-11-30 | 1996-07-09 | Kozak; Burton | Fastener driving tool insert |
DE29519325U1 (de) * | 1995-12-06 | 1996-02-15 | Schmidt Ulrich Ush Schraubwerk | Steckschlüssel |
-
1996
- 1996-10-24 DE DE19644177A patent/DE19644177B4/de not_active Expired - Fee Related
-
1997
- 1997-09-15 DK DK97944714T patent/DK0934140T3/da active
- 1997-09-15 DE DE59707810T patent/DE59707810D1/de not_active Expired - Lifetime
- 1997-09-15 WO PCT/DE1997/002075 patent/WO1998017440A1/de active IP Right Grant
- 1997-09-15 EP EP97944714A patent/EP0934140B1/de not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008010206U1 (de) | 2008-07-30 | 2008-11-06 | Bd-Werkzeugtechnik Ag | Steckschlüssel |
US9956670B2 (en) | 2016-07-26 | 2018-05-01 | Milwaukee Electric Tool Corporation | Ratchet, ratchet accessory, and kit including the same |
USD814259S1 (en) | 2016-08-17 | 2018-04-03 | Milwaukee Electric Tool Corporation | Socket |
USD815504S1 (en) | 2016-08-17 | 2018-04-17 | Milwaukee Electric Tool Corporation | Socket |
USD810531S1 (en) | 2016-08-29 | 2018-02-20 | Milwaukee Electric Tool Corporation | Socket |
Also Published As
Publication number | Publication date |
---|---|
DK0934140T3 (da) | 2002-10-21 |
EP0934140A1 (de) | 1999-08-11 |
WO1998017440A1 (de) | 1998-04-30 |
DE19644177A1 (de) | 1998-04-30 |
DE59707810D1 (de) | 2002-08-29 |
DE19644177B4 (de) | 2010-08-05 |
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