EP0978356B1 - Bits-Magazin eines Handwerkzeugs - Google Patents

Bits-Magazin eines Handwerkzeugs Download PDF

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Publication number
EP0978356B1
EP0978356B1 EP99305452A EP99305452A EP0978356B1 EP 0978356 B1 EP0978356 B1 EP 0978356B1 EP 99305452 A EP99305452 A EP 99305452A EP 99305452 A EP99305452 A EP 99305452A EP 0978356 B1 EP0978356 B1 EP 0978356B1
Authority
EP
European Patent Office
Prior art keywords
tool
sleeve
shaft
bit
handle
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
Application number
EP99305452A
Other languages
English (en)
French (fr)
Other versions
EP0978356A3 (de
EP0978356A2 (de
Inventor
Stephen Rowlay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanley Works Ltd
Original Assignee
Stanley Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stanley Works Ltd filed Critical Stanley Works Ltd
Priority to US09/357,086 priority Critical patent/US6293173B1/en
Publication of EP0978356A2 publication Critical patent/EP0978356A2/de
Publication of EP0978356A3 publication Critical patent/EP0978356A3/de
Priority to CA002334439A priority patent/CA2334439C/en
Priority claimed from CA002334439A external-priority patent/CA2334439C/en
Application granted granted Critical
Publication of EP0978356B1 publication Critical patent/EP0978356B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B25B15/00—Screwdrivers
    • B25B15/02—Screwdrivers operated by rotating the handle
    • B25B15/04—Screwdrivers operated by rotating the handle with ratchet action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/08—Handle constructions with provision for storing tool elements
    • B25G1/085—Handle constructions with provision for storing tool elements for screwdrivers, wrenches or spanners

Definitions

  • This invention relates to a hand tool having a handle, such as screwdrivers and other hand tools which may have replaceable tool-bits.
  • US-A- 4 273 173 discloses a hand tool in accordance with the pre-characterising part of claim 1.
  • the hand tool disclosed has a tool-bit magazine with a body, integral with a handle, a sleeve rotatable to a position in which an aperture in the sleeve is in register with a recess in the body and thereby permits a tool-bit to be removed from or inserted into that recess.
  • the present invention provides a hand tool as set forth in claim 1.
  • the screwdriver has a steel bar or shaft 1 which extends from one end of a composite plastics handle 2 having a hard polypropylene core.
  • the bar is press formed with two longitudinal ribs (not visible) which retain the shaft 1 in the handle after the shaft has been pressed into the handle.
  • the distal end of the shaft has a hexagonal recess 3 for receiving the hexagonal stub of a conventional tool-bit.
  • a permanent magnet 4 is fixed in the base of the hexagonal recess 3 in order to retain the bit in use.
  • a tool-bit magazine 6 is mounted on the proximal end of the shaft 1. It has a body 7 with peripheral elongate recesses 8 for accommodating tool bits 9, one of which is visible in Figure 1.
  • the recesses 8 are spaced around the common axis 11 of the shaft 1 and the body 7 and they extend generally in the axial direction.
  • the body 7 has an axial bore 12 which is a sliding fit on the shaft 1.
  • a radially inwardly projecting portion 13 of the body 7 engages in a circumferential groove 14 machined in the shaft 1, in order to retain the body 7 on the shaft 1.
  • a bevel 13a on the inside edge of the projecting portion 13 allows the body 7 to be pushed on to the shaft 1.
  • the rear end surface 16 of the body abuts against the front end surface 17 of the handle.
  • the front end of each recess 8 is defined by a wall surface 8a sloping outwards away from the other end, which is open and which is covered by the front end surface 17 of the handle.
  • a sleeve 18 prevents escape of the bits 9 from the recesses 8.
  • the sleeve 18 is mounted in a circumferential recess 19 in the body 7 so as to be rotatable to respective positions in which an aperture constituted by an open-ended slot 21 in the sleeve 18 is in register with a respective one of the recesses 8, thereby permitting a bit 9 to be inserted into that recess or removed from that recess (by allowing it to fall out under gravity). Since both the body 7 and the sleeve 18 are rotatable relative to the rest of the tool, it is necessary to hold one of them with one hand while the other hand rotates the other of them.
  • the body 7 and the sleeve 18 are provided with external ribs 7a and 18a respectively. Since the whole magazine 6 is rotatable, the shaft 1 can be guided firmly by one hand while the other hand rotates the handle 2, without any risk of the sleeve 18 being turned independently of the body 7 and inadvertently freeing the bits during use of the screwdriver.
  • the sleeve 18 only covers about half of the length of the recesses 8, with the result that the front ends of the bits 9 are visible so that they can be easily identified and selected.
  • the rear end of the bit 9 rests against the front end surface 17 of the handle 2 and its tip rests against the sloping surface 8a. Rattling of the bits 9 in the recess 8 is prevented by flanges 22 which are formed integral with the body 7 and which are resiliently deformed by the bits 9 so that the bits are retained between the flanges 22 and the sleeve 18.
  • the hexagonal stub of the bit 9 is able to adopt different angular positions, two of which are indicated in solid line and chain line respectively.
  • a spring loaded ball 23 mounted in a radial bore in the body 7 cooperates with a circumferential series of part-spherical notches 24 in the sleeve 18.
  • a reversible ratchet mechanism for transmitting rotation from the handle 2 to the shaft 1 may be interposed between the magazine 6 and the handle 2.
  • FIGS. 4 to 6 show a preferred embodiment of the screwdriver, in which parts similar to those described above are given the same reference numerals.
  • the screwdriver has a tool-bit magazine 6 with a body 7 having recesses 8 accommodating tool bits 9.
  • the body 7 has an axial bore which is a sliding fit on the shaft 1.
  • a portion 13 of the body 7 engages in a circumferential groove 14 machined in the shaft 1.
  • a sleeve 18 is mounted in a circumferential recess 19 in the body 7 so as to be rotatable to respective positions in which a slot 21 is in register with a respective recess 8, to permit insertion or removal of a bit 9.
  • a spring loaded ball 23 mounted on the body 7 engages in a circumferential series of notches in the sleeve 18
  • the screwdriver shown in Figures 4 to 6 also has a ratchet mechanism 51 between the magazine 6 and the handle 2.
  • the ratchet mechanism has a body 62 with a bore 56 receiving the shaft 1 which is formed with a spur gear 57 engageable by pawls 58a and 58b which are tiltable about axes parallel to the shaft axis 11.
  • a control sleeve 64 is linked to a control member 66 carrying a leaf spring 76 with legs 76a and 76b which bear on the pawls 58a and 58b respectively.
  • the control sleeve 64 is movable clockwise and anticlockwise from the intermediate position shown in Figure 6, in which both pawls 58a and 58b and engaged with the gear 57, to respective ratcheting positions in which only one or the other of the pawls is engaged with the gear 57.
  • the rear end surface 16 of the magazine body 7 abuts against the front surface of the body 62, against which the rear ends of the bits 9 rest.
  • the tips of the bits 9 rest against sloping front end surfaces 8a of the recesses 8.
  • the ratchet mechanism 51 is described in more detail in our U.K. Patent Application No. 9816878.4 filed 3 August 1998, published as GB-A- 2 340199 on 16 Feb 2000.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Claims (9)

  1. Handwerkzeug mit einem Griff (2), einem Schaft (1), der sich von einem Vorderende des Griffs (2) erstreckt, wobei ein vorderer Endabschnitt des Schafts (1) dafür geeignet ist, eine austauschbare Werkzeugspitze anzubringen, und einem Werkzeugspitzenmagazin (6), das einen Körper (7) mit einer Vielzahl von länglichen Aussparungen (8) zum Aufnehmen entsprechender Werkzeugspitzen (9) umfaßt, wobei die Aussparungen (8) mit Zwischenraum um die Längsachse (11) des Schafts (1) angeordnet werden und sich allgemein in der Axialrichtung erstrecken, wobei die länglichen Aussparungen (8) am Umfang des Körpers (7) offen sind, und einer Manschette (18), die am Körper (7) angebracht wird, um so ein Entweichen der Werkzeugspitzen (9) aus den länglichen Aussparungen (8) zu verhindern, während sie die Werkzeugspitzen (9) an vorderen Endabschnitten der länglichen Aussparungen (8) teilweise sichtbar lässt, wobei die Manschette (18) eine Öffnung (21) hat, die am Umfang offen ist und im Verhältnis zum Körper (7) gedreht werden kann, zu einer Position, in der die Öffnung (21) in der Manschette (18) in Ausrichtung mit einer der länglichen Aussparungen (8) ist und dadurch ermöglicht, daß eine Werkzeugspitze (9) in einer Richtung quer zur Axialrichtung aus dieser länglichen Aussparung (8) entnommen oder in dieselbe eingesetzt wird, dadurch gekennzeichnet, daß der Körper (7) vom Griff (2) getrennt ist und an einem hinteren Endabschnitt des Schafts (1) angebracht wird, der sich durch den Körper (7) erstreckt, wobei ein hinterer Endabschnitt des Körpers (7) eine umlaufende Aussparung (19) hat, die zum Griff (2) hin offen ist, wobei die Manschette (18) in der umlaufenden Aussparung (19) angebracht wird und den hinteren Endabschnitt des Körpers umschließt, und dadurch, daß die Öffnung (21) durch einen offenendigen Schlitz dargestellt wird, der am Vorderende der Manschette (18) offen ist.
  2. Handwerkzeug nach Anspruch 1, bei dem das Vorderende jeder länglichen Aussparung (8) durch eine Wandfläche (8a) definiert wird, die nach außen und nach vom abfällt.
  3. Handwerkzeug nach Anspruch 1 oder 2, bei dem das Magazin (6) im Verhältnis zu dem Schaft (1) und dem Griff (2) gedreht werden kann.
  4. Handwerkzeug nach Anspruch 3, bei dem der Körper (7) einen in Radialrichtung nach innen vorstehenden Teil (13) hat, der in eine umlaufende Nut (14) im Schaft (1) eingreift.
  5. Handwerkzeug nach einem der vorhergehenden Ansprüche, das Rastmittel (23, 24) einschließt, um die Manschette in entsprechenden Positionen zu positionieren, in denen die Öffnung (21) in Ausrichtung mit entsprechenden länglichen Aussparungen (8) ist.
  6. Handwerkzeug nach Anspruch 5, bei dem das Rastmittel ein gefedertes Element (23) umfaßt, das am Körper (7) angebracht wird und mit einer umlaufenden Reihe von Kerben (24) in der Manschette (18) zusammenwirkt.
  7. Handwerkzeug nach einem der vorhergehenden Ansprüche, das in jeder länglichen Aussparung (8) wenigstens ein elastisch verformbares Element (22) einschließt, wobei das Element (22) durch die Werkzeugspitze (9) verformt wird, wenn sie in die längliche Aussparung (8) eingesetzt wird, um dadurch ein Klappern der Werkzeugspitze (9) zu verhindern.
  8. Handwerkzeug nach Anspruch 7, bei dem das Element ein mit dem Körper (7) integrierter Flansch (22) ist.
  9. Handwerkzeug nach einem der vorhergehenden Ansprüche, bei dem die Öffnung (21) am hinteren Ende der Manschette (18) nicht offen ist.
EP99305452A 1998-08-03 1999-07-08 Bits-Magazin eines Handwerkzeugs Expired - Lifetime EP0978356B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09/357,086 US6293173B1 (en) 1998-08-03 1999-07-19 Tool-bit magazine for hand tool
CA002334439A CA2334439C (en) 1999-07-08 2001-02-07 Tool-bit magazine for hand tool

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9816876 1998-08-03
GB9816876A GB2340059A (en) 1998-08-03 1998-08-03 Tool bit magazine
CA002334439A CA2334439C (en) 1999-07-08 2001-02-07 Tool-bit magazine for hand tool

Publications (3)

Publication Number Publication Date
EP0978356A2 EP0978356A2 (de) 2000-02-09
EP0978356A3 EP0978356A3 (de) 2001-01-31
EP0978356B1 true EP0978356B1 (de) 2005-09-21

Family

ID=25682383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99305452A Expired - Lifetime EP0978356B1 (de) 1998-08-03 1999-07-08 Bits-Magazin eines Handwerkzeugs

Country Status (4)

Country Link
EP (1) EP0978356B1 (de)
CN (1) CN1251795A (de)
GB (1) GB2340059A (de)
TW (1) TW388733B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11654534B2 (en) 2019-12-05 2023-05-23 Wheelfloat, Inc. Locking mechanism and clocking cylinder

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11148276B2 (en) 2015-04-21 2021-10-19 Wheelfloat, Inc. Multi-bit screwdriver
CN108581911A (zh) * 2018-05-23 2018-09-28 绍兴环洲工具制造有限公司 一种能内藏批头的手工具
WO2020060697A1 (en) * 2018-09-18 2020-03-26 Wheelfoat, Inc. A storage device with cells for storing bits
CN112704046A (zh) * 2019-10-25 2021-04-27 祖常亮 一种渔耕定制网

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE407174B (sv) * 1978-06-30 1979-03-19 Bahco Verktyg Ab Vridande handverktyg med skafthalrum for forvaring av verktygselement
US4273173A (en) * 1979-10-17 1981-06-16 S/V Tool Company, Inc. Device for transmitting torque
US4278119A (en) * 1980-01-07 1981-07-14 Vermont American Corporation Storage means for removable tips for hand tool
DE3400068C2 (de) * 1984-01-03 1986-10-02 W. Holland-Letz GmbH & Co KG, 5608 Radevormwald Werkzeug-Handgriff mit Schraubeinsätzen
GB2219539B (en) * 1988-06-10 1992-08-26 Archibald Mervin Mckenzie Multiple bit screwdriver
DE3830859A1 (de) * 1988-09-10 1990-03-22 Werner Hermann Wera Werke Schraubendreher
US5174178A (en) * 1991-08-26 1992-12-29 Disston Jr Horace C Selective tool handle
US5740706A (en) * 1996-10-02 1998-04-21 Tseng; Sen Piao Tool handle with concealed storage means
DE29902512U1 (de) * 1998-03-03 1999-05-27 Huang, Chin-Tan, Ta-Li, Taichung Schraubendreher

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11654534B2 (en) 2019-12-05 2023-05-23 Wheelfloat, Inc. Locking mechanism and clocking cylinder

Also Published As

Publication number Publication date
EP0978356A3 (de) 2001-01-31
CN1251795A (zh) 2000-05-03
GB9816876D0 (en) 1998-09-30
GB2340059A (en) 2000-02-16
EP0978356A2 (de) 2000-02-09
TW388733B (en) 2000-05-01

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