EP1127661A1 - Befestigungsvorrichtung zur Anbringung eines Stiels an einem Werkzeug - Google Patents
Befestigungsvorrichtung zur Anbringung eines Stiels an einem Werkzeug Download PDFInfo
- Publication number
- EP1127661A1 EP1127661A1 EP00101844A EP00101844A EP1127661A1 EP 1127661 A1 EP1127661 A1 EP 1127661A1 EP 00101844 A EP00101844 A EP 00101844A EP 00101844 A EP00101844 A EP 00101844A EP 1127661 A1 EP1127661 A1 EP 1127661A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner part
- fastening device
- handle
- thread
- adjusting sleeve
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G3/00—Attaching handles to the implements
- B25G3/02—Socket, tang, or like fixings
- B25G3/12—Locking and securing devices
- B25G3/28—Locking and securing devices comprising wedges, keys, or like expanding means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7062—Clamped members
- Y10T403/7064—Clamped members by wedge or cam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/76—Joints and connections having a cam, wedge, or tapered portion
Definitions
- the invention relates to a fastening device for attaching a handle to a Tool, especially a cleaning or conveying tool (such as a broom, Scrubber or window cleaner or a shovel or a snow shovel) after Preamble of claim 1.
- a cleaning or conveying tool such as a broom, Scrubber or window cleaner or a shovel or a snow shovel
- a fastening device of the generic type is known from DE-U-296 03 433.
- This fastening device accordingly comprises an inner part with a first End for rigid connection with a handle and a second end for detachable Connection with a tool, with an expansion cone at this end and in one an external thread is provided in the central region of the inner part.
- the expansion cone is surrounded by three and held together by a rubber ring compared to the inner part axially displaceable fasteners, which at a Slide the axial displacement along the expansion cone and be deformed by it.
- the Axial displacement is caused by a in the fastener on the one hand engaging and on the other hand surrounding the inner part, the adjustment sleeve Internal thread is engaged with the external thread of the inner part.
- This fastening device represents a significant improvement over the past known devices, in particular with regard to simple manufacture and Handling and a fairly long lifespan. Nevertheless, it still offers Possibilities for improvement regarding the flexibility of their application as well of a simple and compact structure and particularly high durability.
- the object of the invention is therefore to further develop these aspects to provide improved fastening device of the generic type.
- the invention includes the essential idea, the adjusting sleeve (in coordination on the design of the inner part) on the one hand more compact and easier to design and at the same time the possibility of attaching stems with different common wall thicknesses (and possibly also made of different materials) create.
- the invention further includes the idea of this annular gap - the when using Stems with a relatively small wall thickness are of course not completely closed by the stem will - to drain continuously in use. This is especially in the Use with cleaning tools prevents them from becoming permanently chemical there accumulate aggressive cleaning fluids and corrosion of a metallic Handle or damage to the fastener itself.
- Dewatering means drainage channels or openings are provided by the Go out annular gap and collect water or cleaning agent there Derive use of the tool.
- Water drainage channels are in a simple and inexpensive to implement Water drainage channels as water drainage channels in the external thread of the inner part or in Internal thread of the adjustment sleeve. Both options can also be combined. To ensure rapid drainage of the annular gap regardless of the concrete Angular position of the handle or the fastening device attached to it ensure, are expediently three or more, in particular six, Water drainage channels provided.
- the length of the internal and external thread on the inner part or the adjusting sleeve is preferably in the range between 0.5 times and 1.2 times the thread diameter, which is advantageously the realization of a material and space-saving Fastening device allows. This thought is also considered independent Invention claimed. After appropriate tests, it has been shown that less than 10 Threads, especially 8 to 9 threads, even in continuous operation are sufficient.
- the length of the male thread protecting the inner thread even when adjusted, thread-free cover section of the adjusting sleeve corresponds to at least half of the Length of the internal and external thread section.
- the concrete dimensioning will follow Align the intended adjustment range of the fasteners on the expansion cone. While in the generic state of the art, the adjusting sleeve on its handle facing away Page was covered with a separate cap sleeve, it is here as extreme advantageous training - regardless of the specific training of Drainage agent - viewed, the adjustment sleeve open at its end facing away from the handle to train.
- the width of the annular gap between the adjusting sleeve and the inner part is expediently at least 10%, preferably in the range between 15 and 30%, of the radius of the Inside. This enables the use of all essential commercial types of Stems for the corresponding tools.
- the inner part is preferred for use conditions - especially in the area of its External thread - essentially made of solid material.
- the one facing the stem End expediently points to facilitate the sliding of a tubular Stems on a slot and / or a central recess that a certain Allow to compress the end of the inner part.
- the entire fastening device is preferably made of a weaker one Acids and bases or other chemically aggressive cleaning solutions in the essential resistant plastic.
- the invention also includes a handle with a fastening device Type described above, wherein the handle is rigidly connected to the fastening device is.
- the rigid connection can in particular by casting, gluing or Welding be made.
- the figure shows a fastening device 1 for attaching an aluminum tube handle 3 on a tool (not shown), for example a scrubbing or Window cleaner head.
- the fastening device 1 is in all parts from one Made of detergent-resistant plastic and includes an inner part 5, with three in in their entirety the fastening elements surrounding the inner part, of which in the figure the two fastening elements 7.1, 7.2 can be seen, and an adjusting sleeve (Outer part) 9.
- the inner part 5 has an end region 5a connected to the handle 3 large slot 11, which has a slight elastic compression of the Inner part end portion 5a for pushing the handle 3 enables.
- the stem 3 can Inner part 5 held by press fit alone or with the end region 5a additionally be glued.
- the inner part 5 has an external thread (Left-hand thread) 13, the length of which is approximately 2/3 of the thread diameter and that has nine gears in the example shown.
- an external thread Left-hand thread 13
- the side facing away from the end region 5a connects to the external thread with the Water drainage channels 15 in the further course of the inner part 5, a cylindrical section 5b with approximately the same diameter as the end region 5a, the one (in the figure Has not separately designated) chamfer and to which a second, longer cylindrical Section 5c connects with a significantly smaller diameter.
- a cylindrical section 5b with approximately the same diameter as the end region 5a, the one (in the figure Has not separately designated) chamfer and to which a second, longer cylindrical Section 5c connects with a significantly smaller diameter.
- Between the first cylindrical portion 5b and second cylindrical portion 5c has this Inner part 5 on a flat, annular end face 5d.
- On the second cylindrical Section 5c includes an expansion cone 17, i. H. one to the other end of the inner part 5 truncated cone section extending to.
- a chamfer At the end of the inner part 5 of the Spreading cone is a chamfer (again not specifically designated).
- the three fasteners (of which the two fasteners in the figure 7.1, 7.2) surround the second cylindrical section 5c and Spreading cone 17 of the inner part 5 each in an angular range of 120 ° and close in tangential direction to each other, so that the front region of the inner part 5 is completely surrounded by fasteners.
- the fasteners 7.1, 7.2 each include an end section 7.1a or 7.2a with an approximately wedge-shaped Cross section, which abuts the expansion cone 17 and one continuously towards the end has decreasing wall thickness.
- the fastening elements 7.1, 7.2 each have a raised one Edge areas (which are not specifically designated in the figure) provided annular Groove 7.1b or 7.2b.
- the annular grooves 7.1b, 7.2b each enclose in the direction of the stem 3 Cylinder segment section 7.1c, 7.2c of the fastening elements 7.1, 7.2, and on the latter At the end there is an engagement section 7.1d, 7.2d, where the fastening elements 7.1, 7.2 (as well as the third fastening element, not shown here) their largest Have outside diameter.
- the engagement sections 7.1d, 7.2d each have an axially extending one Recess 7.1e, 7.2e for the - described in more detail below - Cooperation with the adjusting sleeve 9.
- the stem 3 facing End faces 7.1f, 7.2f of the fastening elements 7.1, 7.2 which are in the form of segments of a circle sit in the state of the fastening device 1 on the end face 5d shown in the figure of the inner part 5, whereby a stop position of the through the fasteners formed fastener is defined in the direction of the handle 3.
- the adjusting sleeve 9 has three starting from an annular central section 9a Engagement clips 21 (of which only two can be seen in the figure), the run axially and the recesses 7.1e, 7.2e of the engagement portions of the Pass through fasteners 7.1, 7.2. On the engagement clasps 21 The side of the central section 9a facing away from the handle 3 follows this a sleeve section 23, which over the greater part of its length Internal thread 25 carries, which engages with the external thread 13 of the inner part 5 stands.
- the end region 23a of the sleeve section 23 facing the stem 3 has no internal thread and has an enlarged inner diameter, so that in the from End region 23a of the adjusting sleeve 9 surrounding end region of the stem 3 between the Adjustment sleeve and the stem forms an annular gap 27.
- the adjusting sleeve 9 also shows in their middle section 9a water drainage channels 29, which over the water drainage channels 15th in the external thread 13 of the inner part 5 with the annular gap 27 in fluid communication.
- the inner part 5 is first on one of the above-mentioned ways rigidly connected (in particular rotationally fixed) to the handle 3. Then the adjusting sleeve 9 is over the cone 17 and the second cylindrical Section 5c plugged onto the inner part 5 and with its internal thread 25 on it External thread 13 screwed on. Finally, the fasteners 7.1, 7.2 also placed on the cone 17 on the inner part 5, in such a way that the Engagement clips 21 come to rest in the recesses 7.1e, 7.2e. Finally the fasteners by slipping on the rubber ring 19 and setting the same in the annular groove 7.1b, 7.2b around the inner part 5 and clamped.
- the fastening device 1 d. H. the expansion cone 17 with these encompassing End sections (in the figure, sections 7.1a, 7.2a) of the fastening elements, in a bore provided for attaching a handle to the tool.
- the adjusting sleeve 9 is gripped by hand and shown in the figure from it Stop position rotated relative to the inner part 5.
- the adjusting sleeve 9 runs with it their internal thread section 25 on the external thread 13 of the inner part and moves axially away from the end of the stem 3 (upwards in the figure) and takes the Fasteners 7.1, 7.2 with.
- the end region 23a is dimensioned such that the annular gap 27 has sufficient space for the Attachment of handles 3 with different wall thickness on the inner part 5 offers.
- Cleaning liquid is in the assembled state via the water drainage channels 15, 29 of the tool-formed annular gap between the end face 5d of the inner part 5 and the end faces 7.1f, 7.2f of the fastening elements 7.1, 7.2 derived and flows from there quickly over the fasteners or through their recesses 7.1e, 7.2e off again. So no cleaning liquid can accumulate in the annular gap Duration of the end of the stem 3 or (for chemically aggressive ingredients) also that Component surfaces relatively resistant to normal cleaning agents could attack the fastener.
- a suitably structured one, in particular one running axially and / or tangentially Recessing version of the end of the inner part facing the handle advantageously ensures a simple and nevertheless secure connection between the inner part and the stem, for example by an interference fit or by Shed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Gripping On Spindles (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
Description
- 1
- Befestigungsvorrichtung
- 3
- Aluminiumrohr-Stiel
- 5
- Innenteil
- 5a
- Endbereich
- 5b
- erster zylindrischer Abschnitt
- 5c
- zweiter zylindrischer Abschnitt
- 5d
- Stirnfläche
- 7.1, 7.2
- Befestigungselemente
- 7.1a, 7.2a
- Endabschnitt
- 7.1b, 7.2b
- ringförmige Nut
- 7.1c, 7.2c
- Zylindersegment-Abschnitt
- 7.1d, 7.2d
- Eingriffsabschnitt
- 7.1e, 7.2e
- Ausnehmung
- 7.1f, 7.2f
- Stirnfläche
- 9
- Verstellhülse (Außenteil)
- 9a
- Mittenabschnitt
- 11
- Schlitz
- 13
- Außengewinde
- 15, 29
- Wasserablaufrinne
- 17
- Spreizkonus (Kegelstumpfabschnitt)
- 19
- Gummiring
- 21
- Eingriffspangen
- 23
- Hülsenabschnitt
- 23a
- Endbereich
- 25
- Innengewinde
- 27
- Ringspalt
Claims (10)
- Befestigungsvorrichtung (1) zur Anbringung eines Stiels (3) an einem Werkzeug, insbesondere Reinigungs- oder Förderwerkzeug, miteinem im wesentlichen zylindrischen Innenteil (5) mit einem ersten Ende (5a) zur starren Verbindung mit dem Stiel, einem zweiten Ende, welches einen Spreizkonus (17) trägt, zur lösbaren Verbindung mit dem Werkzeug und einem in einem Zwischenbereich vorgesehenen Außengewinde (13),einem im wesentlichen den gesamten Spreizkonus (17) umgreifenden, gegenüber dem Innenteil (5) axial verschieblichen und hierbei durch den Spreizkonus verformbaren Befestigungsmittel (7.1, 7.2) undeiner in das Befestigungsmittel (7.1, 7.2) eingreifenden, das Innenteil (5) umgebenden Verstellhülse (9) mit einem im Eingriff mit dem Außengewinde (13) des Innenteils stehenden Innengewinde (25) zur Umsetzung einer Drehbewegung der Verstellhüllse in eine axiale Verschiebung des Befestigungsmittels,
die Verstellhülse (9) an ihrem stielseitigen Ende einen gewindefreien Abdeckabschnitt (23a) aufweist, welcher derart bemessen ist, daß zwischen seinem Innenumfang und dem Außenumfang des Innenteils (5) ein Ringspalt (27) gebildet ist, der das Aufschieben von rohrförmigen Stielen (13) mit unterschiedlichen gebräuchlichen Wandstärken erlaubt, und
daß dem Ringspalt Wasserablaufkanäle- oder öffnungen (15, 29) zugeordnet sind. - Befestigungsvorrichtung nach Anspruch 1,
dadurch gekennzeichnet,daß
die Wasserablaufkanäle im wesentlichen axial verlaufende Wasserablaufrinnen (15, 29) im Außengewinde (13) des Innenteils (5) und/oder in der Verstellhülse (9) umfassen. - Befestigungsvorrichtung nach Anspruch 2,
dadurch gekennzeichnet,daß
drei oder mehr, insbesondere sechs, Wasserablaufrinnen (15, 29) vorgesehen sind. - Befestigungsvorrichtung nach dem Oberbegriff des Anspruches 1 oder nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,daß
die Länge des Innen- und Außengewindes (13, 25) im Bereich zwischen dem 0,5-fachen und dem 1,2-fachen Gewin-dedurchmesser liegt. - Befestigungsvorrichtung nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,daß
der gewindefreie Abdeckabschnitt (23a) mindestens die halbe Länge des Innen- und Außengewindeabschnitts (13, 25) aufweist. - Befestigungsvorrichtung nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,daß
die Breite des Ringspaltes (27) mindestens 10 %, bevorzugt zwischen 15 und 30 %, des Radius des Innenteils (5) beträgt. - Befestigungsvorrichtung nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,daß
das Innenteil (5), insbesondere im Bereich seines Außengewindes (13), im wesentlichen aus Vollmaterial besteht, wobei das erste Ende (5a) zum erleichterten Aufschieben des rohrförmigen Stieles (3) einen Schlitz (11) und/oder eine zentrale Ausnehmung aufweist. - Befestigungsvorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,daß
das erste Ende (5a) des Innenteils (5) axial und/oder tangential verlaufende Ausnehmungen, insbesondere auf seiner Außenoberfläche, zum erleichterten Aufschieben oder Angießen des rohrförmigen Stieles (3) aufweist. - Befestigungsvorrichtung nach einem der vorangehenden Ansprüche,
gekennzeichnet durch
die Ausführung aus einem gegenüber schwachen Säuren und Basen im wesentlichen resistenten Kunststoff. - Stiel (3) mit einer Befestigungsvorrichtung (1) nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,daß
der Stiel mit der Befestigungsvorrichtung starr verbunden, insbesondere vergossen, verklebt oder verschweißt, ist.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES00101844T ES2195810T3 (es) | 2000-01-31 | 2000-01-31 | Dispositivo de fijacion para el montaje de un mango en una herramienta. |
EP00101844A EP1127661B1 (de) | 2000-01-31 | 2000-01-31 | Befestigungsvorrichtung zur Anbringung eines Stiels an einem Werkzeug |
AT00101844T ATE235993T1 (de) | 2000-01-31 | 2000-01-31 | Befestigungsvorrichtung zur anbringung eines stiels an einem werkzeug |
DE50001605T DE50001605D1 (de) | 2000-01-31 | 2000-01-31 | Befestigungsvorrichtung zur Anbringung eines Stiels an einem Werkzeug |
US09/769,698 US6461075B2 (en) | 2000-01-31 | 2001-01-25 | Device for securing a handle on a tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00101844A EP1127661B1 (de) | 2000-01-31 | 2000-01-31 | Befestigungsvorrichtung zur Anbringung eines Stiels an einem Werkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1127661A1 true EP1127661A1 (de) | 2001-08-29 |
EP1127661B1 EP1127661B1 (de) | 2003-04-02 |
Family
ID=8167723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00101844A Expired - Lifetime EP1127661B1 (de) | 2000-01-31 | 2000-01-31 | Befestigungsvorrichtung zur Anbringung eines Stiels an einem Werkzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US6461075B2 (de) |
EP (1) | EP1127661B1 (de) |
AT (1) | ATE235993T1 (de) |
DE (1) | DE50001605D1 (de) |
ES (1) | ES2195810T3 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7178843B2 (en) * | 2002-10-23 | 2007-02-20 | Four Paws Products, Ltd. | Litter and refuse retrieval device |
CA2506986A1 (en) * | 2005-05-10 | 2006-11-10 | Garant Gp | A shaft for tools, and tool and a method of fabrication thereof |
US7549195B2 (en) * | 2005-11-10 | 2009-06-23 | Unger Marketing International, Llc | Locking system for connecting handles and implements |
US8800113B1 (en) * | 2013-03-15 | 2014-08-12 | Blackstone Medical, Inc. | Rigid modular connector |
CN107106154B (zh) * | 2015-01-08 | 2020-05-12 | 史密夫和内修有限公司 | 快速断开组件及使用方法 |
USD907474S1 (en) | 2019-02-28 | 2021-01-12 | Unger Marketing International, Llc | Tool connector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7629578U1 (de) * | 1976-09-22 | 1977-01-20 | Wolf-Geraete Gmbh, 5240 Betzdorf | Stielbefestigung fuer haus- und gartengeraete |
DE29603433U1 (de) * | 1996-02-24 | 1997-06-26 | Bickel, Manfred, Las Palmas, Gran Canaria | Vorrichtung zur Befestigung eines Stiels an Werkzeugen |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2488056A (en) * | 1948-10-14 | 1949-11-15 | Hanlon & Goodman Co | Brush handle and connecting means therefor |
US2999706A (en) * | 1959-05-06 | 1961-09-12 | Aladdin Mfg Company | Tube lock |
US3596946A (en) * | 1970-03-09 | 1971-08-03 | Wooster Brush Co The | Cam lock for telescopic members |
US4722140A (en) * | 1986-01-22 | 1988-02-02 | Miceli Philip V | Knife system |
US4776618A (en) * | 1987-08-14 | 1988-10-11 | Marathon Oil Company | High pressure coupling |
US5161278A (en) * | 1991-12-12 | 1992-11-10 | Erwin Tomm | Handle connector with anti-loosening lock |
BR9710941A (pt) * | 1996-01-11 | 2002-03-12 | Walton M B Inc | Esfregão, elemento de esfregão e conjunto de elemento de esfregão |
US6227744B1 (en) * | 1999-10-12 | 2001-05-08 | Geerpres, Inc. | Liquid dispensing apparatus for cleaning implements |
-
2000
- 2000-01-31 ES ES00101844T patent/ES2195810T3/es not_active Expired - Lifetime
- 2000-01-31 EP EP00101844A patent/EP1127661B1/de not_active Expired - Lifetime
- 2000-01-31 AT AT00101844T patent/ATE235993T1/de not_active IP Right Cessation
- 2000-01-31 DE DE50001605T patent/DE50001605D1/de not_active Expired - Fee Related
-
2001
- 2001-01-25 US US09/769,698 patent/US6461075B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7629578U1 (de) * | 1976-09-22 | 1977-01-20 | Wolf-Geraete Gmbh, 5240 Betzdorf | Stielbefestigung fuer haus- und gartengeraete |
DE29603433U1 (de) * | 1996-02-24 | 1997-06-26 | Bickel, Manfred, Las Palmas, Gran Canaria | Vorrichtung zur Befestigung eines Stiels an Werkzeugen |
Also Published As
Publication number | Publication date |
---|---|
EP1127661B1 (de) | 2003-04-02 |
ES2195810T3 (es) | 2003-12-16 |
DE50001605D1 (de) | 2003-05-08 |
US6461075B2 (en) | 2002-10-08 |
ATE235993T1 (de) | 2003-04-15 |
US20010016966A1 (en) | 2001-08-30 |
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