EP0934140A1 - Steckschlüssel - Google Patents
SteckschlüsselInfo
- Publication number
- EP0934140A1 EP0934140A1 EP97944714A EP97944714A EP0934140A1 EP 0934140 A1 EP0934140 A1 EP 0934140A1 EP 97944714 A EP97944714 A EP 97944714A EP 97944714 A EP97944714 A EP 97944714A EP 0934140 A1 EP0934140 A1 EP 0934140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping ring
- socket wrench
- key
- slot
- ball
- 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.)
- Granted
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
- 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 pressure piece which rests by spring force against a lateral drive surface or a polygonal edge of the screw head and which is arranged in a wall opening in the socket wrench, the pressure piece being designed as a ball lying in a wall bore with inner support shoulders and to apply the spring force a lying in an outer, circular peripheral surface of the key lying, slotted, with respect to its circumferential position fixed clamping ring is provided.
- the known socket wrenches are known, for example, from German utility model G 84 28 029.8 or German utility model 295 19 325.5.
- socket wrenches are preferably used for holding and turning non-ferromagnetic screws, in which the socket wrenches which are otherwise customary and are equipped with an inner magnet are ineffective with regard to the holding effect of the magnet on the screw head.
- the invention has for its object to provide a generic socket wrench in such a way that the holding force exerted on the screw head is optimized.
- the holding force on the screw head can be increased in the case of clamping rings of the same thickness in that the clamping ring slot assumes the claimed geometrical position with respect to the ball.
- a clamping ring can be used whose thickness is approximately 50% smaller than that of the clamping rings used otherwise, the holding force on the screw head in the claimed angular range for the thinner clamping ring is approximately as large as that for the thicker clamping ring when the slot center of the ball z. B. is exactly opposite.
- the groove to be milled can also be designed to be comparatively flat on the peripheral surface of the key, so that there is practically no noticeable reduction in the wall thickness of the socket key.
- the position of the slot is such that the angle between the connecting lines is less than 40 °, there is a risk that one edge of the slot will press outward over the other, so that a projection is again formed, which can lead to injuries to the user.
- the upper end face or end edge of the clamping ring carries a nose which engages in a recess in the peripheral surface or U fangswandung the key head. Since the width of the clamping ring is only slightly smaller than the groove width, the clamping ring cannot slide out of the recess with its nose.
- Fig. 1 shows a section through a socket wrench according to the invention
- Fig. 2 is a side view of the socket wrench acc. Fig. 1.
- the socket wrench 1 consists of a clamping pin 2 which can be inserted in a rotationally fixed manner into a drill chuck, a quick-change chuck or the like of a tool which can be driven in rotation.
- a groove 6 is incorporated, in which a slotted clamping ring 7 lies in a rotationally secure manner.
- the rotationally secure position of the clamping ring 7 is achieved by a lug 8 which is carried by the groove edge 9 in the illustrated embodiment and engages in a correspondingly shaped recess 10 which is formed in the wall 11 of the clamping ring 7.
- the slot 17 of the clamping ring 7 is arranged according to FIG. 1 with respect to its geometrical circumferential position in such a way that the connecting line 18 of the center of the circumference of the key head with the center of the ball and the connecting line 19 of the center Point of the key head circumference with the slot center of the clamping ring slot 17 includes an angle ⁇ of 60 °.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
Claims
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 true EP0934140A1 (de) | 1999-08-11 |
EP0934140B1 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 (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10576611B2 (en) | 2016-07-26 | 2020-03-03 | Milwaukee Electric Tool Corporation | Ratchet, ratchet accessory, and kit including the same |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10114906A1 (de) * | 2001-03-26 | 2002-10-10 | Forschungszentrum Juelich Gmbh | Fixierung für Mehrkant-Steckschlüsseleinsätze |
DE202008010206U1 (de) | 2008-07-30 | 2008-11-06 | Bd-Werkzeugtechnik Ag | Steckschlüssel |
DE102012102394A1 (de) | 2012-03-21 | 2013-09-26 | Wera-Werk Hermann Werner Gmbh & Co. Kg | Steckschlüssel |
US9770815B2 (en) | 2012-07-20 | 2017-09-26 | Actuant Corporation | Gripping socket, wrench and method of use |
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 |
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 |
DE102021104616A1 (de) | 2021-02-26 | 2022-09-01 | Bayerische Motoren Werke Aktiengesellschaft | Steckschlüsseleinsatz und Schraubwerkzeug mit Steckschlüsseleinsatz |
WO2023283333A1 (en) | 2021-07-09 | 2023-01-12 | Milwaukee Electric Tool Corporation | Socket holder |
USD1031399S1 (en) | 2021-07-09 | 2024-06-18 | Milwaukee Electric Tool Corporation | Socket holder |
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 | Ush Schraubwerkzeugfabrik Ulrich Schmidt, 57271 Hilchenbach | Steckschlüssel |
-
1996
- 1996-10-24 DE DE19644177A patent/DE19644177B4/de not_active Expired - Fee Related
-
1997
- 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
- 1997-09-15 DK DK97944714T patent/DK0934140T3/da active
- 1997-09-15 DE DE59707810T patent/DE59707810D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9817440A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10576611B2 (en) | 2016-07-26 | 2020-03-03 | Milwaukee Electric Tool Corporation | Ratchet, ratchet accessory, and kit including the same |
US10688630B2 (en) | 2016-07-26 | 2020-06-23 | Milwaukee Electric Tool Corporation | Ratchet, ratchet accessory, and kit including the same |
US11534895B2 (en) | 2016-07-26 | 2022-12-27 | Milwaukee Electric Tool Corporation | Ratchet, ratchet accessory, and kit including the same |
Also Published As
Publication number | Publication date |
---|---|
EP0934140B1 (de) | 2002-07-24 |
DE19644177A1 (de) | 1998-04-30 |
WO1998017440A1 (de) | 1998-04-30 |
DK0934140T3 (da) | 2002-10-21 |
DE19644177B4 (de) | 2010-08-05 |
DE59707810D1 (de) | 2002-08-29 |
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