EP1136187B1 - Fastening device with reversible ratchet - Google Patents
Fastening device with reversible ratchet Download PDFInfo
- Publication number
- EP1136187B1 EP1136187B1 EP01103137A EP01103137A EP1136187B1 EP 1136187 B1 EP1136187 B1 EP 1136187B1 EP 01103137 A EP01103137 A EP 01103137A EP 01103137 A EP01103137 A EP 01103137A EP 1136187 B1 EP1136187 B1 EP 1136187B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screwing tool
- tool according
- bearing
- receiving chamber
- pot
- 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
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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
- 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 invention relates to a equipped with a reversible ratchet gear wrench, with a rotary drive part, which protrudes from a gear receiving chamber bottom closing bottom plate, wherein in the gear receiving chamber a rotatably connected to the Drehabtriebsteil detent body and one or more with the arranged on the peripheral surface of the detent recesses locking pawl eino, wherein the gear receiving chamber is associated with a projecting transversely to the axis of rotation of the rotary drive part handle.
- Such screwing tools are under the name ratchets, creaks or the like such as from the US-A-5,626,061 known in the art.
- the handle consists of a steel tube on which a plastic grip sleeve is attached on one side.
- the handle forms a receiving chamber which is open on both sides and in which the gear rests.
- the invention has for its object to improve the generic screwing manufacturing technology and use technology.
- the claim 1 provides that the handle is a plastic injection molded part and the transmission receiving chamber is closed all but the sealed from the bottom plate opening.
- the handle in a simple manner, namely in a single production step by way of injection molding.
- the handle may be formed in one piece.
- the receiving chamber has the shape of a trough, which is closed on the bottom side, so that the entry of impurities, such as sand in the transmission is effectively avoided.
- the transmission receiving chamber in the rear region forms a sliding bearing for a bearing extension of the detent body. This development has a reduction in the number of parts result.
- the locking body is then stored on the one hand in the bottom plate and on the other hand in the plain bearing of the transmission receiving chamber.
- pawl carrier can be suitably inserted into a corresponding recess of the edge region of the transmission receiving chamber.
- the pawl carrier can form slotted open bearing shells, in which the pawls eino pivotally mounted.
- the pawls can be cushioned against the plastic housing wall by means of compression springs. They are brought into and out of action by means of a switching lever.
- the sliding bearing is formed by a bottom closed pot, the inner wall of the pot is located on a cylinder jacket wall surface.
- the bearing extension of the detent body which consists of steel, slides directly on a plastic surface.
- the curvature of one end of the bearing extension points to the flat bottom of the pot. If necessary, it can rest on the center of the bottom of the pot.
- the flat bottom of the pot stabilizes the cylindrical bearing cavity.
- the edge with which the cylinder jacket wall of the pot in the flat pot bottom merges is rounded.
- the necessary axial space for this rounding is created by the bulge of the end face of the bearing extension, so that forms a meniscus-shaped space between rounding and curvature.
- the switching lever can protrude through a housing opening. At the protruding from the housing end of the switching lever latter is coupled with a pivot lever, so that the left-right switching can be done from the outside.
- the screwing tool of the embodiment consists of an integrally formed, manufactured by plastic injection molding handle 7.
- This handle has a hand engaging zone 7 'which is opposite a neck portion 7''widened, and a head 7'''.
- the head 7 ''' forms a handle receiving chamber 6, which is trough-shaped and except for with a bottom plate 2 closable opening is enclosed around.
- a cup-shaped sliding bearing 8 In the gear receiving chamber is a cup-shaped sliding bearing 8, in which a bearing extension 9 of a locking body 3 is rotatably mounted.
- the bearing extension 9 has a cylindrical surface and a curved end face.
- the latching body also has sawtooth-shaped recesses 4, which extend over the entire circumference of the latching body 3 and have a parallel extension for aligning the axis of rotation of the latching body 3.
- a switching lever 13 is also pivotally mounted. This switching lever 13 extends through an opening 14 of the bottom plates closed opening opposite wall of the gear receiving chamber 6. On the end of the switching lever 13, a pivot lever 15 is attached. By pivoting the pivot lever 15, the direction of rotation or reverse direction of the transmission can be adjusted.
- the transmission receiving chamber 6 In the transmission receiving chamber 6 are also two pawls 5, which are alternately switchable in latching engagement with the locking recesses 4. By means of compression springs 12, the latches 5 are supported on the plastic walls of the handle receiving chamber 6.
- the switching lever 13 has wing-like extensions, with which it can enter into a latching control intervention to corresponding extensions of the pawls 5, so that the thus acted pawl 5 is brought out of action to the locking recesses 4th
- the pawls 5 have end cylinder sections 16, which eino in slotted open bearing cavities pivotally but radially bound.
- the bearing shells 11 are associated with a pawl carrier 10 made of steel.
- This pawl carrier 10 is formed as a fitting made of steel and can be inserted into a corresponding rectangular recess, wherein the rectangular recess connects to the transmission receiving chamber 6.
- the bottom of the cup-shaped slide bearing 8 forms a bearing cover 17, which projects dome-shaped outward. Inside she has a flat floor. This flat bottom goes to form a circular rounding in the cylindrical shell wall of the pot. Between the curvature of the end face of the bearing extension 9 and the bottom of the pot thus forming a meniscus-shaped space 21.
- the center of the camber is spaced from the center of the floor. But it can also be a touch.
- the axial forces are preferably transmitted from one of the end face parallel, axially offset annular surface 22 in the housing. This annular sliding surface 22 rests directly on an edge surface of the pot.
- both head 7 ''', and handle portion 7' are rounded and form parts of circular arcs, each with the same radii.
- the head 7 ''' assigned sheet merges into straight long sides.
- the two longitudinal side sections facing away from each other run in the direction of the end of the grip section 7 'in a wedge shape into a neck 7''.
- At the bow of the handle portion 7 '' is also followed by rectilinear longitudinal side sections. These run parallel to each other.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Cookers (AREA)
- Food-Manufacturing Devices (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Dowels (AREA)
- Ladders (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
Description
Die Erfindung betrifft ein mit einem drehrichtungsumschaltbaren Ratschengetriebe ausgestattetes Schraubwerkzeug, mit einem Drehabtriebsteil, welches aus einer eine Getriebeaufnahmekammer bodenseitig verschließenden Bodenplatte ragt, wobei in der Getriebeaufnahmekammer ein mit dem Drehabtriebsteil drehverbundener Rastkörper und eine oder mehrere mit den auf der Umfangsfläche des Rastkörpers angeordneten Rastausnehmungen zusammenwirkende Sperrklinke einliegen, wobei die Getriebeaufnahmekammer einem quer zur Drehachse des Drehabtriebteiles abragenden Griffs zugeordnet ist.The invention relates to a equipped with a reversible ratchet gear wrench, with a rotary drive part, which protrudes from a gear receiving chamber bottom closing bottom plate, wherein in the gear receiving chamber a rotatably connected to the Drehabtriebsteil detent body and one or more with the arranged on the peripheral surface of the detent recesses locking pawl einliegen, wherein the gear receiving chamber is associated with a projecting transversely to the axis of rotation of the rotary drive part handle.
Derartige Schraubwerkzeuge sind unter der Bezeichnung Ratschen, Knarren oder dergleichen wie z.B. aus der
Der Erfindung liegt die Aufgabe zugrunde, das gattungsgemäße Schraubwerkzeug herstellungstechnisch und verwendungstechnisch zu verbessern.The invention has for its object to improve the generic screwing manufacturing technology and use technology.
Gelöst wird die Aufgabe durch die in den Ansprüchen angegebene Erfindung.The object is achieved by the invention specified in the claims.
Der Anspruch 1 sieht vor, dass der Griff ein Kunststoffspritzgussteil ist und die Getriebeaufnahmekammer bis auf die von der Bodenplatte verschlossene Öffnung ringsum geschlossen ist. Zufolge dieser Ausgestaltung ist der Griff in einfacher Weise herstellbar, nämlich in einem einzigen Produktionsschritt im Wege des Spritzgießens. Der Griff kann einstückig ausgebildet sein. Die Aufnahmekammer besitzt die Form einer Wanne, die bodenseitig geschlossen ist, so dass der Eintritt von Verunreinigungen, beispielsweise Sand in das Getriebe wirksam vermieden ist. In einer Weiterbildung der Erfindung ist vorgesehen, dass die Getriebeaufnahmekammer im rückwärtigen Bereich ein Gleitlager für einen Lagerfortsatz des Rastkörpers ausbildet. Diese Weiterbildung hat eine Reduzierung der Teilezahl zur Folge. Der Rastkörper wird dann einerseits in der Bodenplatte und andererseits in dem Gleitlager der Getriebeaufnahmekammer gelagert. Vorteilhaft ist es, wenn zwei welchselseitig in und außer Wirkung bringbare Sperrklingen von einem stählernen, als Passstück ausgebildeten Sperrklinkenträger gelagert werden. Dieser Sperrklinkenträger kann passend in eine entsprechende Ausnehmung des Randbereiches der Getriebeaufnahmekammer eingesetzt werden. Der Sperrklinkenträger kann schlitzoffene Lagerschalen ausbilden, in denen die Sperrklinken schwenkgelagert einliegen. Die Sperrklinken können gegen die Kunststoffgehäusewand mittels Druckfedern abgefedert sein. Sie werden mittels eines Umschalthebels in und außer Wirkung gebracht. Das Gleitlager wird von einem bodenseitig geschlossenen Topf ausgebildet, dessen Topfinnenwand auf einer Zylindermantelwandfläche liegt. Bei dieser Ausgestaltung gleitet der Lagerfortsatz des Rastkörpers, welcher aus Stahl besteht, unmittelbar auf einer Kunststoffoberfläche. Die Wölbung einer Stirnseite des Lagerfortsatzes weist auf den ebenen Topfboden. Sie kann sich dort gegebenenfalls auf dem Zentrum des Topfbodens abstützen. Der ebene Topfboden stabilisiert die zylindrische Lagerhöhlung. Der Rand, mit dem die Zylindermantelwand des Topfes in den ebenen Topfboden übergeht ist gerundet. Der nötige axiale Raum für diese Rundung wird durch die Auswölbung der Stirnseite des Lagerfortsatzes geschaffen, so dass sich zwischen Rundung und Wölbung ein meniskusförmiger Freiraum ausbildet. Der Umschalthebel kann eine Gehäusedurchbrechung durchragen. An dem aus dem Gehäuse herausragenden Ende des Umschalthebel ist letztere mit einem Schwenkhebel gekoppelt, so dass von außen her die Links- Rechtsumschaltung erfolgen kann.The claim 1 provides that the handle is a plastic injection molded part and the transmission receiving chamber is closed all but the sealed from the bottom plate opening. As a result of this embodiment is the handle in a simple manner, namely in a single production step by way of injection molding. The handle may be formed in one piece. The receiving chamber has the shape of a trough, which is closed on the bottom side, so that the entry of impurities, such as sand in the transmission is effectively avoided. In a further development of the invention it is provided that the transmission receiving chamber in the rear region forms a sliding bearing for a bearing extension of the detent body. This development has a reduction in the number of parts result. The locking body is then stored on the one hand in the bottom plate and on the other hand in the plain bearing of the transmission receiving chamber. It is advantageous if two mutually engageable in and out of action pawls are supported by a steel, designed as a fitting piece pawl carrier. This pawl carrier can be suitably inserted into a corresponding recess of the edge region of the transmission receiving chamber. The pawl carrier can form slotted open bearing shells, in which the pawls einliegen pivotally mounted. The pawls can be cushioned against the plastic housing wall by means of compression springs. They are brought into and out of action by means of a switching lever. The sliding bearing is formed by a bottom closed pot, the inner wall of the pot is located on a cylinder jacket wall surface. In this embodiment, the bearing extension of the detent body, which consists of steel, slides directly on a plastic surface. The curvature of one end of the bearing extension points to the flat bottom of the pot. If necessary, it can rest on the center of the bottom of the pot. The flat bottom of the pot stabilizes the cylindrical bearing cavity. The edge with which the cylinder jacket wall of the pot in the flat pot bottom merges is rounded. The necessary axial space for this rounding is created by the bulge of the end face of the bearing extension, so that forms a meniscus-shaped space between rounding and curvature. The switching lever can protrude through a housing opening. At the protruding from the housing end of the switching lever latter is coupled with a pivot lever, so that the left-right switching can be done from the outside.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand beigefügter Zeichnungen erläutert. Es zeigen:
- Fig. 1
- ein erfindungsgemäßes Schraubwerkzeug im Querschnitt,
- Fig. 2
- in vergrößerter Darstellung in Unteransicht bei abgenommener Bodenplatte die Getriebeaufnahmekammer mit einliegenden Getriebeteilen,
- Fig. 3
- den Kunststoffgriff von unten,
- Fig. 4
- den Kunststoffgriff von der Seite und
- Fig. 5
- den Kunststoffgriff mit bereits vormontiertem Schwenkhebel von oben.
- Fig. 1
- an inventive screwing tool in cross section,
- Fig. 2
- in an enlarged view in bottom view with the bottom plate removed, the gear receiving chamber with enclosed gear parts,
- Fig. 3
- the plastic handle from below,
- Fig. 4
- the plastic handle from the side and
- Fig. 5
- the plastic handle with preassembled swivel lever from above.
Das Schraubwerkzeug des Ausführungsbeispieles besteht aus einem einstückig ausgebildeten, im Kunststoffspritzgussverfahren hergestellten Griff 7. Dieser Griff besitzt eine Handangriffszone 7' die gegenüber einem Halsabschnitt 7'' verbreitert ist, und einen Kopf 7'''. Der Kopf 7''' bildet eine Griffaufnahmekammer 6 aus, die wannenförmig ausgebildet ist und bis auf die mit einer Bodenplatte 2 verschließbare Öffnung ringsumschlossen ist.The screwing tool of the embodiment consists of an integrally formed, manufactured by plastic
In der Getriebeaufnahmekammer befindet sich ein topfförmiges Gleitlager 8, in welchem ein Lagerfortsatz 9 eines Rastkörpers 3 drehbargelagert ist. Der Lagerfortsatz 9 besitzt eine zylindrische Oberfläche und eine gewölbte Stirnfläche.In the gear receiving chamber is a cup-shaped sliding bearing 8, in which a
Der Rastkörper besitzt ferner sägezahnförmige Rastausnehmungen 4, die sich über den gesamten Umfang des Rastkörpers 3 erstrecken und eine Parallerstreckung zur Ausrichtung der Drehachse des Rastkörpers 3 besitzen.The latching body also has sawtooth-shaped
Mit einem Halsabschnitt 3' liegt der Rastkörper 3 in einer Lageröffnung der Bodenplatte 2. Ein vierkantförmiges Drehabtriebsteil 1 ragt aus der Bodenplatte heraus und ist fest mit dem Hals 3' verbunden.With a neck portion 3 'of the locking
In der Bodenplatte 2 ist ferner ein Umschalthebel 13 schwenkbar gelagert. Dieser Umschalthebel 13 durchragt eine Durchbrechung 14 der der Bodenplatten verschlossenen Öffnung gegenüberliegenden Wandung der Getriebeaufnahmekammer 6. Auf das Ende des Umschalthebels 13 ist ein Schwenkhebel 15 aufgesteckt. Durch Verschwenken des Schwenkhebels 15 kann die Drehrichtung beziehungsweise Sperrrichtung des Getriebes eingestellt werden.In the
In der Getriebeaufnahmekammer 6 befinden sich ferner zwei Sperrklinken 5, die wechselweise im verrastenden Eingriff mit den Rastausnehmungen 4 schaltbar sind. Mittels Druckfedern 12 stützen sich die Rastklinken 5 an den Kunststoffwänden der Griffaufnahmekammer 6 ab.In the
Der Umschalthebel 13 besitzt flügelartige Fortsätze, mit welchen er in einen verrastenden Steuereingriff treten kann zu korrespondierenden Fortsätze der Sperrklinken 5, so dass die so beaufschlagte Sperrklinke 5 außer Wirkung gebracht ist zu den Rastausnehmungen 4.The switching
Die Sperrklinken 5 besitzen endseitig Zylinderabschnitte 16, die in schlitzoffenen Lagerhöhlungen schwenkbar aber radialgefesselt einliegen. Die Lagerschalen 11 sind einem Sperrklinkenträger 10 aus Stahl zugeordnet. Dieser Sperrklinkenträger 10 ist als Passstück aus Stahl ausgebildet und kann in eine entsprechende Rechteckaussparung eingesetzt werden, wobei sich die Rechteckaussparung an die Getriebeaufnahmekammer 6 anschließt.The
Der Boden des topfförmigen Gleitlagers 8 bildet eine Lagerabdeckung 17 aus, die kuppelförmig nach außen vorsteht. Innen hat sie einen ebenen Boden. Dieser ebene Boden geht unter Ausbildung einer kreisförmigen Rundung in die zylinderförmige Mantelwand des Topfes über. Zwischen der Wölbung der Stirnfläche des Lagerfortsatzes 9 und dem Topfboden bildet sich somit ein meniskusförmiger Freiraum 21 aus. Vorzugweise liegt das Zentrum der Wölbung gegenüber dem Zentrum des Bodens beabstandet. Es kann aber auch eine Berührung eintreten. Die Axialkräfte werden vorzugsweise von einer der Stirnfläche parallelen, axialversetzten Ringfläche 22 in das Gehäuse übertragen. Diese ringförmige Gleitfläche 22 liegt unmittelbar auf einer Randfläche des Topfes auf.The bottom of the cup-shaped slide bearing 8 forms a
Die Schmalseiten von sowohl Kopf 7''', als auch Griffabschnitt 7' sind gerundet und bilden Teile von Kreisbögen mit jeweils gleichen Radien aus. Der dem Kopf 7''' zugeordnete Bogen geht in jeweils geradlinige Längsseiten über. Die beiden voneinander wegweisenden Längsseitenabschnitte laufen in Richtung auf das Ende des Griffabschnittes 7' hin keilförmig bis in einen Hals 7'' fort. An den Bogen des Griffabschnittes 7'' schließen sich ebenfalls geradlinig verlaufende Längsseitenabschnitte an. Diese verlaufen parallel zueinander.The narrow sides of both head 7 ''', and handle portion 7' are rounded and form parts of circular arcs, each with the same radii. The head 7 ''' assigned sheet merges into straight long sides. The two longitudinal side sections facing away from each other run in the direction of the end of the grip section 7 'in a wedge shape into a neck 7''. At the bow of the handle portion 7 '' is also followed by rectilinear longitudinal side sections. These run parallel to each other.
Claims (11)
- Screwing tool equipped with a ratchet-type gearbox, of which the rotating direction can be reversed, comprising an output rotation part (1) protruding out of a bottom plate (2) which closes a gearbox receiving chamber (6), a detent body (3) which is connected for rotation with the output rotation part (1) and one or more safety catches (5) cooperating with notches (4) arranged on the circumferential surface of the detent body (3) lying in said gearbox receiving chamber (6), wherein said gearbox receiving chamber (6) is associated with a handle (7) which protrudes transversely to the direction of rotation of the output rotation part, characterized in that the handle (7) is an injection-molded plastic part and that the gearbox receiving chamber (6) is closed all around, except of the opening which is closed by the bottom plate (2), and that it forms in the rear part thereof a pot-like sliding bearing (8) for a bearing extension (9) of the detent body (3).
- Screwing tool according to claim 1, characterized in that two safety catches (5) that can be reciprocally brought into and out of effect are supported by a safety catch steel carrier (10) which is formed as an adapter.
- Screwing tool according to one or more of the preceding claims, characterized in that the safety catch carrier (10) forms bearing shells (11) including slot openings, for bearing substantially cylindrical bearing portions (16) of the safety catches (5).
- Screwing tool according to one or more of the preceding claims, characterized in that the safety catch (5) is cushioned against the plastic housing wall by means of a pressure spring (12) and can be brought into and out of effect by means of a switch lever (13).
- Screwing tool according to one or more of the preceding claims, characterized in that the sliding bearing (8) is formed by the wall of the pot that lies on a cylinder lateral surface and that the front surface of the bearing extension (16) facing towards the bottom of the pot is arched.
- Screwing tool according to one or more of the preceding claims, characterized by a meniscus-like free space formed between the bottom of the pot and the front surface of the bearing extension (16).
- Screwing tool according to one or more of the preceding claims, characterized in that the axial forces are introduced into the rim of the pot from an annular sliding surface (22) which is axially spaced from but extending parallel to the front surface of the bearing extension (16).
- Screwing tool according to one of more of the preceding claims, characterized in that the switch lever (13) penetrates through a housing breakthrough (14) and is coupled to a pivoted lever (15) on the external side of the housing.
- Screwing tool according to one or more of the preceding claims, characterized in that on the side opposite to the gearbox receiving chamber (6) the handle forms a supplementing cavity (18), of which the shell forms a grip portion.
- Screwing tool according to one or more of the preceding claims, characterized in that the width of the grip portion (7') approximately corresponds to the width of the gearbox head (7''').
- Screwing tool according to one or more of the preceding claims, characterized in that small faces of both the head (7"') and the grip portion (7') extend on circular arc lines and that straight longitudinal side portions of the grip join said circular arc lines, wherein the straight longitudinal side portions joining said head-side arc section extend so as to converge towards the neck (7''') and wherein the straight portions which are associated with the grip portion (7') extend parallel to each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20003955U | 2000-03-08 | ||
| DE20003955U DE20003955U1 (en) | 2000-03-08 | 2000-03-08 | Screwdriving tool with a ratchet gear that can be reversed |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1136187A2 EP1136187A2 (en) | 2001-09-26 |
| EP1136187A3 EP1136187A3 (en) | 2003-10-22 |
| EP1136187B1 true EP1136187B1 (en) | 2008-10-22 |
Family
ID=7938236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01103137A Expired - Lifetime EP1136187B1 (en) | 2000-03-08 | 2001-02-10 | Fastening device with reversible ratchet |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1136187B1 (en) |
| AT (1) | ATE411875T1 (en) |
| DE (2) | DE20003955U1 (en) |
| ES (1) | ES2316406T3 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201000266A (en) * | 2008-06-19 | 2010-01-01 | Hou-Fei Hu | Reversible wrench with effect of reversing and positioning |
| TW201000269A (en) * | 2008-06-27 | 2010-01-01 | Hou-Fei Hu | Three-way type button wrench |
| DE102012207318B4 (en) * | 2012-05-03 | 2021-07-15 | Hanon Systems Efp Deutschland Gmbh | Camshaft adjuster |
| CN117655966B (en) * | 2024-01-30 | 2024-04-05 | 四川懋润电力科技有限公司 | Socket wrench |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803980A (en) * | 1955-12-27 | 1957-08-27 | Irwin R Vogel | Reversible ratchet wrench |
| EP0437007A1 (en) * | 1989-07-20 | 1991-07-17 | Chiro Tools Mfg., Corp. | Improved wrench |
| US5626061A (en) * | 1995-07-13 | 1997-05-06 | Stanley Mechanics Tools | Composite ratchet |
| US6003413A (en) * | 1997-07-16 | 1999-12-21 | Proprietary Technologies, Inc. | Compact ergonomic ratchet wrench |
-
2000
- 2000-03-08 DE DE20003955U patent/DE20003955U1/en not_active Expired - Lifetime
-
2001
- 2001-02-10 ES ES01103137T patent/ES2316406T3/en not_active Expired - Lifetime
- 2001-02-10 EP EP01103137A patent/EP1136187B1/en not_active Expired - Lifetime
- 2001-02-10 AT AT01103137T patent/ATE411875T1/en active
- 2001-02-10 DE DE50114437T patent/DE50114437D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE411875T1 (en) | 2008-11-15 |
| EP1136187A3 (en) | 2003-10-22 |
| DE50114437D1 (en) | 2008-12-04 |
| ES2316406T3 (en) | 2009-04-16 |
| EP1136187A2 (en) | 2001-09-26 |
| DE20003955U1 (en) | 2000-08-03 |
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Legal Events
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