EP0810068B1 - Ringschlüssel vom Ratschentyp - Google Patents
Ringschlüssel vom Ratschentyp Download PDFInfo
- Publication number
- EP0810068B1 EP0810068B1 EP96108689A EP96108689A EP0810068B1 EP 0810068 B1 EP0810068 B1 EP 0810068B1 EP 96108689 A EP96108689 A EP 96108689A EP 96108689 A EP96108689 A EP 96108689A EP 0810068 B1 EP0810068 B1 EP 0810068B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cavity
- ratchet
- teeth
- ratchet wheel
- ring spanner
- 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
- 230000002093 peripheral effect Effects 0.000 claims 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
-
- 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
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/462—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
- B25B13/463—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel
Definitions
- the present invention relates to a ring spanner from Ratchet type and especially an improved ring spanner, which is particularly useful for mechanics.
- ratchet wrench that one Handle 40 and one mounted in a head part 42 of the same Switch button 41 includes, which is used during work a reversible direction one in the head part 42 assembled ratchet.
- a disadvantage of Ratchet wrench is a user of the ratchet wrench hold with one hand and switch button 41 must change if the reversible direction is changed.
- Another disadvantage of the ratchet wrench is that it has a relatively large end to complex elements in it record, and therefore not used in a limited space can be used because additional socket wrench inserts are used Need to become.
- a professional mechanic would be in a confined space a combination wrench (see Fig. 7 of the drawings) or use a box wrench to tighten nuts or to solve.
- a common disadvantage of these wrenches is, however, that the wrench after his Rotate a small angle to rotate one another slight angle away from the mother and again must be brought into engagement with the mother. This process continues until the nut is tightened or loosened is what is very uncomfortable, especially in a limited Room.
- a reversible one Ring spanners have been proposed, such Wrench a ratchet gear in an inner Boundary surface of the head part of the same is mounted, and a cavity defined in a web area of the same Includes a spring and a pawl.
- the pawl is biased by the spring to enter the ratchet click in and out of it to achieve the desired reversing function to ensure.
- the torque achieved is relatively low, and the pawl can be damaged if a relative great force is exerted.
- DE-U-83 18 475 discloses a ratchet wrench according to the preamble of claim 1 an annular key head, one stored in it Lock gear and a plurality of teeth Jack body.
- the latch body is arranged in a cavity, which is larger than the body of the jack, and is replaced by an intermediate the latch body and the wall delimiting the cavity clamped spring so loaded that when the Key handle in one direction of rotation the teeth of the handle body are in operative connection with the teeth of the ratchet gear, while when operated in the opposite direction of rotation Pawl body brought into a freewheel position against the spring force in which the teeth of the latch body over the teeth of the Can ratchet ratchet.
- the document contains no information about the problems that arise when foreign bodies enter give the cavity, e.g. when repairing the key.
- the ratchet type ring spanner has a handle, a head part, and a recording space enclosing circular boundary wall and one on the handle adjacent web area, in which a cavity is defined, a ratchet gear arranged in the receiving space, which has an outer boundary surface with a plurality of Teeth and an inner polygonal boundary surface, an in arcuate toothed member disposed in the cavity a first side with a plurality of teeth for engagement with the Teeth of the ratchet gear and a second side, which is supported against a wall defining the cavity, and an in the cavity arranged spring, the first end of which is toothed Element acts and its second end is on the cavity delimiting wall supports around the toothed element so to preload that the teeth of the same with the teeth of the Ratchet gear come into engagement to take the Locking gear when the handle is operated in a first Direction of rotation.
- a stop element is arranged, which has means for guiding the toothed Element such that when the handle is actuated in the second opposite direction of rotation, even if foreign bodies in the Enter cavity, the toothed element from the ratchet gear is carried until it hits the stop element and to the Guide means slides along and away from the ratchet gear thus releases from the ratchet so that the spring is able to to return the toothed element to its original position.
- the toothed Element a stub-shaped approach formed thereon, and the stop element has a stem that protrudes from it, the first end of the spring on the stub Approach of the toothed element and that second end attached to the stem of the stop element are.
- this Stop element also a pair of wings, each of middle sections of two longitudinal edges of the same to the outside protrude in a plane that is substantially perpendicular to one Longitudinal direction of the same is.
- the wings act as a guide rail for the serrated element to release the serrated Elements from the ratchet in the event that foreign bodies in enter the cavity, thereby enabling the serrated Element returning to its initial position for the subsequent operation without being disturbed by the foreign body to become.
- a ratchet type ring spanner according to the present invention is designated by the reference numeral "1" and generally includes a handle 11 and a head portion 10.
- the head part 10 comprises a circular boundary wall 10a, which in this one receiving space 12 for receiving a ratchet gear 20 delimits.
- the boundary wall 10a includes a web area 10b, which connects to the handle 11.
- a cavity 13 is defined in the web area 10b, and in a central part of a delimiting the cavity 13
- a recess 131 is defined on the wall (see Fig. 3).
- the ratchet gear 20 comprises a plurality of teeth 21 in an outer boundary surface and one polygonal inner boundary surface for side engagement a mother or the like.
- a arcuate toothed element 14 inserted and includes one stubby lug 141 which is on one end of the same is formed, and a plurality of teeth 142 that are on a first side of the same are defined and for the intervention with the teeth 21 of the ratchet gear 20 are provided.
- a stop element is also inserted into the cavity 13, which is formed by an elastic plate 15 which two protrusions 151 and 152 which are on a first end the same are formed, and a substantially U-shaped Anchor 155 includes which is on a second end thereof is formed and is received in the recess 131.
- the elastic plate 15 also includes a stem 156 which from a central part of one side of the same to the outside protrudes, as well as a pair of wings 153 and 154, each of middle sections of two longitudinal edges of the same to the outside protrude in a plane that is substantially perpendicular to one Longitudinal direction is the same.
- the user can the ring spanner directly in an opposite direction, e.g. counterclockwise, move as it has a reversing function offers.
- the strength results in a normal force and a longitudinal force that cause the toothed element 14 by a certain distance on the side edges 1531 and 1541 the wing 153 and 154 slides along (see the arrow in Fig. 5) and thus from the ratchet 20 releases as shown in FIG. 5.
- the wings 153 and 154 serve as a guide rail for steering of downward movements of the toothed member 14, thereby the toothed element 14 is released from the ratchet gear 20 becomes.
- the spring force supplied by the spring 16 is now in able to return the toothed element 14 to its in Fig. 3rd shown initial position. Consequently, the Ratchet-type ring spanners work as usual, even if foreign objects enter.
- the foreign bodies can be in at regular intervals or immediately after completion of the Repairs are removed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
- Fig. 1
- ist eine perspektivische Ansicht von einem Teil eines Ringschlüssels vom Ratschentyp gemäß der vorliegenden Erfindung;
- Fig. 2
- ist eine auseinandergezogene Ansicht des Ringschlüssels vom Ratschentyp in Fig. 1;
- Fig. 3
- ist eine Querschnittansicht des Ringschlüssels vom Ratschentyp gemäß der vorliegenden Erfindung;
- Fig. 4
- ist eine Querschnittansicht ähnlich Fig. 3, welche die Wirkungsweise des Ringschlüssels vom Ratschentyp unter normalen Bedingungen erläutert;
- Fig. 5
- ist eine Querschnittansicht ähnlich Fig. 3, welche die Wirkungsweise des Ringschlüssels vom Ratschentyp unter der Bedingungen des Eindringens von Fremdkörpern erläutert;
- Fig. 6
- ist eine perspektivische Ansicht eines herkömmlichen Steckratschenschlüssels; und
- Fig. 7
- ist eine perspektivische Ansicht eines herkömmlichen Ring-Maulschlüssels.
Claims (5)
- Ringschlüssel vom Ratschentyp mit einem Griff (11), mit einem Kopfteil (10), der eine einen Aufnahmeraum (12) umschließende kreisförmige Begrenzungswand (10a) und einen an den Griff anschließenden Stegbereich (10b) aufweist, in welchem ein Hohlraum (13) definiert ist, mit einem in dem Aufnahmeraum (12) angeordneten Sperrzahnrad (20), welches eine äußere Begrenzungsfläche mit einer Mehrzahl von Zähnen (21) und eine innere polygonale Begrenzungsfläche aufweist, mit einem in dem Hohlraum (13) angeordneten bogenförmigen gezahnten Element (14), das eine erste Seite mit einer Mehrzahl von Zähnen (142) zum Eingriff mit den Zähnen (21) des Sperrzahnrades (20) und eine zweite Seite aufweist, welche sich gegen eine den Hohlraum (13) begrenzende Wand abstützt, und mit einer in dem Hohlraum (13) angeordneten Feder (16), deren erstes Ende auf das gezahnte Element (14) wirkt und deren zweites Ende sich an der den Hohlraum (13) abgrenzenden Wand abstützt um das gezahnte Element (14) so vorzubelasten, daß die Zähne (142) desselben mit den Zähnen (21) des Sperrzahnrades (20) in Eingriff kommen zwecks Mitnahme des Sperrzahnrades bei Betätigung des Griffes in einer ersten Drehrichtung, dadurch gekennzeichnet, daß in dem Hohlraum (13) zwischen der diesen begrenzenden Wand und dem zweiten Ende der Feder (16) ein Anschlagelement (15) angeordnet ist, welches Mittel (153, 154) besitzt zur Führung des gezahnten Elementes (14) derart, daß bei Betätigung des Griffes in der zweiten entgegengesetzten Drehrichtung, selbst wenn Fremdkörper in den Hohlraum (13) eintreten, das gezahnte Element (14) vom Sperrzahnrad (20) mitgeführt wird bis es auf das Anschlagelement (15) stößt und an den Führungsmitteln (153, 154) entlang von dem Sperrzahnrad weg gleitet und sich somit vom Sperrzahnrad löst, sodaß die Feder (16) in der Lage ist, das gezahnte Element (14) in seine ursprüngliche Position zurückzuschieben.
- Ringschlüssel vom Ratschentyp nach Anspruch 1, wobei das gezahnte Element (14) einen darauf ausgebildeten stummelförmigen Ansatz (141) besitzt und das Anschlagelement (15) einen Stiel (156) aufweist, der von diesem wegragt, und wobei das erste Ende der Feder (16) an dem stummelförmigen Ansatz des gezahnten Elements und das zweite Ende an dem Stiel des Anschlagelements angebracht sind.
- Ringschlüssel vom Ratschentyp nach Anspruch 1, wobei das Anschlagelement ein Paar Flügel (153, 154) aufweist, die jeweils von mittleren Abschnitten zweier Längskanten desselben nach außen ragen, in einer Ebene, die im wesentlichen senkrecht zu einer Längsrichtung desselben ist.
- Ringschlüssel vom Ratschentyp nach Anspruch 1, wobei die den Hohlraum (13) abgrenzende Wand eine in einem mittleren Teil derselben definierte Vertiefung (131) enthält, während das Anschlagelement (15) außerdem einen Anker (155) aufweist, der auf diesem ausgebildet ist und in die Vertiefung aufgenommen wird.
- Ringschlüssel vom Ratschentyp nach Anspruch 1, wobei das Anschlagelements (15) zwei Vorsprünge (151,152) zur Abstützung gegen die den Hohlraum (13) abgrenzende Wand umfaßt.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/656,008 US5636557A (en) | 1996-05-24 | 1996-05-24 | Ratchet type ring spanner |
ES96108689T ES2144175T3 (es) | 1996-05-24 | 1996-05-30 | Llave de estrella del tipo trinquete. |
DE59604370T DE59604370D1 (de) | 1996-05-24 | 1996-05-30 | Ringschlüssel vom Ratschentyp |
EP96108689A EP0810068B1 (de) | 1996-05-24 | 1996-05-30 | Ringschlüssel vom Ratschentyp |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/656,008 US5636557A (en) | 1996-05-24 | 1996-05-24 | Ratchet type ring spanner |
EP96108689A EP0810068B1 (de) | 1996-05-24 | 1996-05-30 | Ringschlüssel vom Ratschentyp |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0810068A1 EP0810068A1 (de) | 1997-12-03 |
EP0810068B1 true EP0810068B1 (de) | 2000-02-02 |
Family
ID=26141960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96108689A Expired - Lifetime EP0810068B1 (de) | 1996-05-24 | 1996-05-30 | Ringschlüssel vom Ratschentyp |
Country Status (4)
Country | Link |
---|---|
US (1) | US5636557A (de) |
EP (1) | EP0810068B1 (de) |
DE (1) | DE59604370D1 (de) |
ES (1) | ES2144175T3 (de) |
Cited By (2)
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---|---|---|---|---|
US10688631B2 (en) | 2016-09-20 | 2020-06-23 | Milwaukee Electric Tool Corporation | Ratchet mechanism for tool |
USD912483S1 (en) | 2018-11-15 | 2021-03-09 | Milwaukee Electric Tool Corporation | Wrench |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU7825198A (en) * | 1997-06-09 | 1998-12-30 | Hand Tool Design Corporation | Ratchet type ring spanner |
US5921158A (en) * | 1997-12-04 | 1999-07-13 | Snap-On Tools Company | Sealed reversible ratchet wrench |
US5979274A (en) * | 1998-01-07 | 1999-11-09 | Hsieh; Chih-Ching | Ratchet wheel mounting arrangement of a wrench |
US6148695A (en) * | 1999-08-03 | 2000-11-21 | Hu; Bobby | Ratchet wheel with asymmetric arcuate concave teeth or non-arcuate concave teeth and ratcheting tools with such ratchet wheel |
US6134990A (en) | 1999-08-05 | 2000-10-24 | Hand Tool Design Corporation | Ratcheting tool with improved gear wheel/pawl engagement |
US6568299B2 (en) | 1999-12-16 | 2003-05-27 | Bobby Hu | Reversible ratcheting tool with a smaller head |
US6431031B1 (en) | 1999-12-16 | 2002-08-13 | Bobby Hu | Reversible ratcheting tool with a smaller head |
TW418748U (en) | 2000-01-11 | 2001-01-11 | Hu Hou Fei | Ratchet wrench |
TW415315U (en) * | 2000-01-19 | 2000-12-11 | Hu Hou Fei | Ratchet tool |
CN1121926C (zh) * | 2000-03-23 | 2003-09-24 | 星联锋股份有限公司 | 一种棘动工具 |
US6334373B1 (en) * | 2000-04-18 | 2002-01-01 | Chih-Ching Hsieh | Ratchet wrench stop member positioning arrangement |
US6301999B1 (en) | 2000-06-20 | 2001-10-16 | The Stanley Works | Ratchet wrench with force balanced pawl |
TW447369U (en) * | 2000-06-26 | 2001-07-21 | Jang Jr Ming | Improved ratchet structure for ratchet wrench |
TW428513U (en) * | 2000-07-21 | 2001-04-01 | Hu Hou Fei | Locating device of a direction switch and ratchet tools using the same |
TW437521U (en) | 2000-08-22 | 2001-05-28 | Hu Hou Fei | Ratchet driven tool |
TW444633U (en) | 2000-09-01 | 2001-07-01 | Hu Hou Fei | Ratchet tool |
DE20115710U1 (de) * | 2000-09-27 | 2001-12-13 | Chang, Chih-Ming, Tantzu, Taichung | Ratschenschlüssel mit hohem Drehmoment |
GB2367516B (en) * | 2000-10-04 | 2004-08-04 | Jong-Shing Chang | Ratchet wrench |
US6745647B2 (en) | 2000-11-29 | 2004-06-08 | Mei-Chen Wang | Wrench having a universal-joint ratchet wheel |
TW489701U (en) | 2001-02-19 | 2002-06-01 | Hou-Fei Hu | A ratchet driven wrench capable of easily manufacturing and fabricating |
US6807882B2 (en) | 2001-05-07 | 2004-10-26 | Bobby Hu | Wrench with a simplified structure |
US6722234B2 (en) | 2001-05-14 | 2004-04-20 | Bobby Hu | Easy-to-operate and easy-to-assemble ratcheting-type wrench |
TW483377U (en) | 2001-07-13 | 2002-04-11 | Hou-Fei Hu | Micro small torque wrench with constant torque value |
TW483365U (en) | 2001-07-13 | 2002-04-11 | Hou-Fei Hu | High torque wrench |
USD474381S1 (en) | 2001-07-23 | 2003-05-13 | Hand Tools Design Corporation | Tool and reversing lever |
US6647832B2 (en) | 2001-07-27 | 2003-11-18 | Bobby Hu | Wrench having two rigid supporting areas for a pawl |
US6467378B1 (en) * | 2001-08-20 | 2002-10-22 | Ching Chen | Single-directional ratchet wrench structure with a mating block that may be retained in position by a snap ring |
US6539825B1 (en) * | 2001-09-20 | 2003-04-01 | Yen-Wen Lin | Single direction ratcheting wrench with stuck prevention and ratcheting direction indication |
US6450066B1 (en) | 2001-10-19 | 2002-09-17 | Bobby Hu | Head of a wrench handle |
US6520051B1 (en) | 2001-12-27 | 2003-02-18 | Bobby Hu | Head of a wrench handle |
TW506308U (en) | 2002-02-08 | 2002-10-11 | Hou-Fei Hu | Improved structure for ratchet wrench |
GB2387135B (en) * | 2002-04-05 | 2005-02-23 | Chyi Hong Chen | Ratchet box wrench |
US6662687B2 (en) | 2002-04-10 | 2003-12-16 | The Stanley Works | Ratchet wrench with improved force distribution |
US6769329B1 (en) | 2002-05-21 | 2004-08-03 | Pilling Weck Incorporated | Releasable socket ratchet wrench |
US20040016321A1 (en) * | 2002-07-26 | 2004-01-29 | Chih-Ching Hsien | Pipe wrench |
TWI245684B (en) * | 2002-08-05 | 2005-12-21 | Yan-Wen Lin | Simple ratchet wrench |
US6868759B2 (en) | 2002-08-20 | 2005-03-22 | Easco Hand Tools Inc. | Reversible ratcheting tool |
US6918323B2 (en) | 2002-11-01 | 2005-07-19 | Easco Hand Tools Inc. | Reversible ratcheting tool with improved pawl |
US20040089106A1 (en) * | 2002-11-12 | 2004-05-13 | Wolfe Sandra C. | Compact high-torque ratchet wrench |
WO2006071205A1 (en) * | 2003-12-17 | 2006-07-06 | Boundless Innovations, Llc | Compact high-torque ratchet wrench |
US6862955B1 (en) * | 2004-01-16 | 2005-03-08 | A. A. G. Industrial Co. Ltd. | Wrench having a ratchet wheel |
US7044029B1 (en) * | 2004-06-28 | 2006-05-16 | Snap-On Incorporated | Ratcheting tool with pawl spring retainer |
US7100477B2 (en) * | 2004-07-28 | 2006-09-05 | Yi-Min Lee | Oneway ratchet wrench |
US7263919B2 (en) * | 2004-09-10 | 2007-09-04 | Easco Handtools, Inc. | Ratcheting tool with vertically curved tooth arrangement |
US7353735B2 (en) * | 2005-06-02 | 2008-04-08 | The Stanley Works | Ratchet wrench |
US7318366B2 (en) | 2006-03-01 | 2008-01-15 | Easco Hand Tools, Inc. | Locking flex-head ratchet wrench |
DE102008055558B4 (de) | 2008-12-19 | 2020-02-20 | Wera Werkzeuge Gmbh | Ringratschenschlüssel |
DE202009000271U1 (de) | 2009-01-07 | 2009-03-19 | Tsai, Chiung-Chang | Ratschenschlüssel für eine Zugrichtung |
US8051747B1 (en) * | 2009-04-24 | 2011-11-08 | Chiung-Chang Tsai | One-way ratchet wrench |
US8104381B1 (en) * | 2009-05-08 | 2012-01-31 | Yu-Tang Chen | Unidirectional ratchet wrench |
CN201399751Y (zh) * | 2009-05-14 | 2010-02-10 | 杭州阳工五金有限公司 | 一种棘轮两用扳手 |
DE102009049808B4 (de) * | 2009-10-16 | 2017-02-23 | Yu Tang Chen | Ratschenschlüssel für eine Zugrichtung |
US8069753B2 (en) | 2009-11-12 | 2011-12-06 | Meridian International Co., Ltd. | Rotary ratchet wrench |
US8459151B2 (en) | 2010-05-28 | 2013-06-11 | Meridian International Co., Ltd. | Ratcheting socket wrench and sockets |
US8943928B2 (en) | 2011-02-14 | 2015-02-03 | Zhejiang Yiyang Tool Manufacture Co., Ltd. | Ratchet wheel wrench |
US9079297B2 (en) | 2011-04-15 | 2015-07-14 | Apex Brands, Inc. | Flex-head wrench |
US9114509B2 (en) | 2012-02-14 | 2015-08-25 | Meridian International Co., Ltd. | Rotary ratcheting wrench |
TWD167657S (zh) * | 2014-06-20 | 2015-05-11 | 優鋼機械股份有限公司 | 手工具之部分 |
US10099349B2 (en) | 2015-01-23 | 2018-10-16 | Snap-On Incorporated | Elastic member retention device for ratchet mechanism |
US9868189B2 (en) * | 2015-11-01 | 2018-01-16 | Li-Ching Lin | Ratchet wrench with restriction member for restricting movement of pawl |
US9862076B2 (en) * | 2016-03-30 | 2018-01-09 | Jim LAI | Pawl control device for ratchet wrench |
DE102016125747B3 (de) | 2016-12-27 | 2018-05-17 | Neng-Chia Shih | Elastisches Element zum Umschalten eines Ratschenschlüssels und Formgebungsverfahren dafür |
USD888518S1 (en) * | 2018-12-18 | 2020-06-30 | Neng-Chia Shih | Bushing for handtool |
USD1012643S1 (en) | 2021-12-21 | 2024-01-30 | Matco Tools Corporation | Ratchet pawl |
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US1868840A (en) * | 1930-07-03 | 1932-07-26 | Duro Metal Prod Co | Ratchet lever |
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DE3322967A1 (de) * | 1983-06-25 | 1985-01-10 | Mock-Gerätebau GmbH & Co KG, 2800 Bremen | Vorrichtung zum anziehen und loesen von schraubverbindungen |
DE8318475U1 (de) * | 1983-06-25 | 1985-04-18 | Mock-Gerätebau GmbH & Co KG, 2800 Bremen | Vorrichtung zum Anziehen und Lösen von Schraubverbindungen |
DE3818470A1 (de) * | 1988-05-31 | 1989-03-02 | Mueller Hans Joachim | Schraubenschluessel mit einer ratsche ausgeruestet, zwecks freien rueckhubes des handgriffes |
US4991468A (en) * | 1990-08-10 | 1991-02-12 | Lee Clark J | Barrel type sockets |
US5197358A (en) * | 1992-09-11 | 1993-03-30 | Hsu C C Frank | Socket wrench |
-
1996
- 1996-05-24 US US08/656,008 patent/US5636557A/en not_active Expired - Lifetime
- 1996-05-30 DE DE59604370T patent/DE59604370D1/de not_active Expired - Lifetime
- 1996-05-30 ES ES96108689T patent/ES2144175T3/es not_active Expired - Lifetime
- 1996-05-30 EP EP96108689A patent/EP0810068B1/de not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10688631B2 (en) | 2016-09-20 | 2020-06-23 | Milwaukee Electric Tool Corporation | Ratchet mechanism for tool |
US12083651B2 (en) | 2016-09-20 | 2024-09-10 | Milwaukee Electric Tool Corporation | Ratchet mechanism for tool |
USD912483S1 (en) | 2018-11-15 | 2021-03-09 | Milwaukee Electric Tool Corporation | Wrench |
USD947630S1 (en) | 2018-11-15 | 2022-04-05 | Milwaukee Electric Tool Corporation | Wrench |
Also Published As
Publication number | Publication date |
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ES2144175T3 (es) | 2000-06-01 |
DE59604370D1 (de) | 2000-03-09 |
EP0810068A1 (de) | 1997-12-03 |
US5636557A (en) | 1997-06-10 |
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