WO1997017172A1 - Outil multifonction - Google Patents
Outil multifonction Download PDFInfo
- Publication number
- WO1997017172A1 WO1997017172A1 PCT/FR1996/001734 FR9601734W WO9717172A1 WO 1997017172 A1 WO1997017172 A1 WO 1997017172A1 FR 9601734 W FR9601734 W FR 9601734W WO 9717172 A1 WO9717172 A1 WO 9717172A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- extension
- tool
- tool according
- section
- open
- Prior art date
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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/04—Handle constructions telescopic; extensible; sectional
- B25G1/043—Handle constructions telescopic; extensible; sectional for screwdrivers, wrenches or spanners
Definitions
- the present invention relates to multifunction tools using interchangeable tips and comprising a bit holder secured to the end of an extension sliding inside the body of the tool to reduce and / or increase the total length .
- the technical sector of the invention is the field of multi-purpose tools with interchangeable and adjustable tool elements.
- One of the main applications of the invention is the field of screwdrivers with multiple bits. Many screwdrivers using different bits indeed exist on the market, some with a detachable extension.
- One of the major problems encountered by the users is the too long time for the handling and insertion of the extension and the ends, as well as the risk of losing them.
- one of the ends of the extendable extension is of polygonal shape, compatible with the hollow bore in which it slides to transmit said torsional force and said extension comprises hollow housings, spaced at given intervals, in which can be housed locking balls located in a ring at the end of said bore and through which said extension leaves.
- the problem here is therefore to be able to use a tool with a retractable and non-removable extension for its implementation, especially for its storage and transport, in order to occupy a minimum of space, without mainly looking for several working positions, but on the other hand with locking systems in the retracted and extended position which allow its implementation, its use then its storage in an efficient, safe and rapid manner and which are simple to carry out; in addition, such a tool which can be with a manual handle, must be able to allow easy handling and insertion of several tools while limiting their risk of loss.
- a multifunction tool using interchangeable tips comprising a bit holder secured to the end of an extension inseparable from the tool and sliding inside the bore of a body, with means for locking in said extended and retracted position said extension, of cylindrical shape; said tool according to the invention comprises a deformable part secured to the open and hollow end of said body, and maintaining said extension in the retracted position by mutual friction; and at least one retractable system such as a finger or a lug or other pivoting means in a housing located at the other end of the extension relative to the bit holder, and disappearing in its housing in the retracted position, exceeds laterally of the extension in position outlet and rests on the edge of the open and hollow end of said body, the cross section of which is of dimension compatible with that of the section of the extension.
- said handle comprises at least one longitudinal cavity on its outer periphery, which cavity used to store the at least one end piece, and at least one flexible elastic element surrounding it over at least part of the height of said cavity to hold said element there.
- the result is a tool responding to the problem posed and making it possible to remedy the drawbacks of current systems thanks to innovative characteristics.
- the bits which can be double, are stored for a hand tool with handle, in housings situated outside the latter: they are held in place in their respective housings using 'an elastic element such as a torus housed on the outer circumference of the handle.
- 'an elastic element such as a torus housed on the outer circumference of the handle.
- bit holder which includes a head or a cavity with a corresponding and complementary section to that of the bits, by a single manipulation
- the extension in addition to the simplicity of the mechanical elements necessary for its realization and its implementation, it is very easy to extract and immobilize it in the working position, because it suffices to pull it from a sharp blow for example so that the retractable means, such as a finger or lug, pivots by itself externally and immediately and all alone goes into the stop position; a spring can even possibly be added to force it in an even safer manner but then requiring it to be recompressed to retract said retractable means such as the lug described below when it is desired to retract said extension.
- the retractable means such as a finger or lug
- Figure 1 is a longitudinal axial sectional view of a screwdriver tool according to the invention with its extension in the retracted position.
- Figure 2 is a cross-sectional view along II / II 'of Figure 1 at the handle of the tool.
- Figures 3A and 3B are cross-sectional views along
- Figure 4 is an enlarged view in longitudinal axial section of the hollow end of the handle.
- FIG. 5 is a cross-sectional view of the part of FIG. 4.
- Figure 6 is a partial axial sectional view of the same tool as in Figure 1 but with its extension in the extended position.
- the screwdriver comprises a body 1 which serves as a handle in which at least if not preferably several grooves (from 4 to 8) serve as housing 13 for the storage of bits 12 double which can therefore be screwdriver heads and be magnetized to hold the screws.
- said handle 1 may comprise at least one flexible elastic element surrounding it over at least part of the height of said cavities 13 to hold said end pieces 12 therein: for example, of a known manner, a circular groove located at one third of the top of the grooves, can allow the housing of an elastic torus 9 ensuring the retention of the tips in place in their respective housings, but other embodiments are possible, such as by magnetism with magnets implanted in the handle 1 and taking part of the shape of the end pieces 12 or even that indicated below or a combination of several systems.
- a sleeve of elastic material which can be molded with the body 1 of the tool such as plastic or rubber 11, can be placed on the top of the handle so as not to leave visible that part of the end pieces 12 and have a better grip: it can thus be the same elastic deformable piece 11 which ensures, possibly in addition with magnets as indicated above, the maintenance of the end pieces 12, without the need for said torus 9 , as shown in Figure 1; said end caps 12 then slide into holes 21 formed by the housings 13 and the sleeve 11, said housings having at their upper part slight depressions 22 to allow the externally visible end of each endpiece 12 to be lifted, and easily removed from it.
- the elasticity of the sleeve 11 minimises the elasticity of the sleeve 11.
- Said multifunction tool or screwdriver uses interchangeable bits 12 and includes a bit holder 2 X secured to the end of an extension 2 2 inseparable from the tool and sliding inside the bore 16 of the body 1 thereof, having means 8, 10 for locking in the extended and retracted position said extension 2 2
- said tool indeed comprises:
- said deformable part may for example be a longitudinal spring, of the piano string type, housed in a slot 18 made in the part situated on the side of the open and hollow end 5 of the body 1, which may also be called the lower part , and constituted for example by an added guide ring;
- a retractable means such as a finger or lug, which can be single or double, pivoting 8 in a housing 14 located at the other end of the extension 2 2 relative to the bit holder 2, which means or lug s 'erasing in its housing in the retracted position, laterally protrudes from the extension 2 2 in the extended position, as shown in FIG.
- the ratio of the values of length and diameter of the guide ring 5 is thus at least 1.5 and preferably 2 for a polygonal section, and even 3 possibly for a circular section; in the case of a finger or double lug, that is to say being able to protrude from two sides at once relative to the extension 2 2 in the extended position, the latter bears on the edge 15 at two diametrically opposite points.
- said extension 2 X is cylindrical and can be of several forms, such as:
- - circular section as shown in section in Figures 3B and 5, it comprises a longitudinal slide ⁇ 1 x of complementary shape to a guide piece 17 2 secured to the open and hollow end 5 or guide ring of the body 1 , along which the sliding extension 2 X is immobilized in rotation;
- the body 1 comprises in this lower part which is the guide ring 5, an inner tongue 17 2 of square section, arranged in the longitudinal direction and compatible with said slide 17 j; the latter which can therefore be a longitudinal groove in which the tongue or guide piece 17 2 of the guide ring 5 is housed, allows the transmission of the tightening and loosening torque to the end piece, and allows the sliding of the extension 2 in handle 1;
- said extension 2 X can be of polygonal section, sliding in the open and hollow end 5 or guide ring of the body 1, which end 5 has the same complementary polygonal section, as shown in the Figure 3A.
- the bit holder 2 X is provided with a hexagonal cavity 19 with a light which houses a spring of the piano wire type to retain the bits 12 by friction, as for holding the extension 2 in the retracted position in the handle 1, but other holding systems can be envisaged, such as for friction holding, a plastic casing or any type of elastic tightening.
- the bit holder 2 can also be a male head for receiving bits of the type for tightening bolts, nuts ...
- the end of the end of the extension 2 is provided with a retaining part 6, projecting from the section of the cylinder of the extension, to prevent it from coming out of the handle 1, which retaining part exerts a pressure on the elastic part 7 which can be a helical spring and also transmits this pressure on the retractable means such as the pivoting retaining lug 8;
- said retaining part 6 may be a washer added and fixed in the end of the end of the extension 2 2 , as screwed therein, or a ring or be an integral part of said extension; in the latter case, it is then the bit holder 2 X which is removable for mounting in the body 1 of the extension, then anyway inseparable in normal use.
- This finger or lug or other retractable and pivoting means 8 comes to bear on the bottom 15 of the body 1 when the extension 2 is in the extended position, the housing 14 of the upper part of the extension 2 constitutes a kind of lateral light comprising an axis 20 located in an axial longitudinal plane of the tool and perpendicular to the axis ZZ 'thereof and to that XX' of the housing to hold the means therein such as the pivoting lug 8.
- the closed upper end of the handle 1 in the case of a manual tool for which the diameter must be sufficient to be able to be held in the hand, is of a diameter thus greater than that of the other open and hollow end said lower wearing the ring guide 5: said closed or even top part of the handle 1 comprises a thread into which the upper ring 3 is screwed which supports a rotating spherical cap 4, itself held in place by any device allowing its rotation and ensuring its maintenance, such than . by a ring or a circular spring ring 23 housed in a groove, in which it disappears during its extraction, such as for example a "Circlips" or a "Truarc” ring, or even by a ball bearing fixed at the top handle 1.
- Said spherical cap 4 thus makes it possible to apply a large axial force with one hand, without risk of injury to the palm of the hand, while exerting a torque using the other hand.
- the handle may be provided with cavities located between the housings 13 of the end pieces 12 to accommodate the thumb of the user and thus exert a greater rotational force with one hand.
- the end pieces are retained, as indicated above, by friction such as with a piano wire spring in the end piece holder 2, at the end of the extension piece 2 2 , the latter sliding inside the handle 1.
- the retractable means such as the pivoting lug 8 housed in the extension 2 on the longitudinal axis.
- the periphery of the lower end of the extension 2 in the extended position on the side of the handle 1, may be provided with two flats to allow the use of a wrench and thus increase the tightening or loosening torque.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU75002/96A AU7500296A (en) | 1995-11-06 | 1996-11-05 | Multifunction tool |
EP96937394A EP0814943A1 (fr) | 1995-11-06 | 1996-11-05 | Outil multifonction |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9513287A FR2740717B1 (fr) | 1995-11-06 | 1995-11-06 | Tournevis multifonctionnel |
FR95/13287 | 1995-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997017172A1 true WO1997017172A1 (fr) | 1997-05-15 |
Family
ID=9484407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1996/001734 WO1997017172A1 (fr) | 1995-11-06 | 1996-11-05 | Outil multifonction |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0814943A1 (fr) |
AU (1) | AU7500296A (fr) |
FR (1) | FR2740717B1 (fr) |
WO (1) | WO1997017172A1 (fr) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2963930A (en) * | 1958-12-01 | 1960-12-13 | Future Tool Co | Extensible torque bar |
US3667518A (en) * | 1970-04-30 | 1972-06-06 | Gardner Denver Co | Screwdriver with bit storing handle |
US4102375A (en) * | 1977-01-31 | 1978-07-25 | Rossini James L | Variable-length tool holder |
CA1147176A (fr) * | 1980-04-16 | 1983-05-31 | Fern St. Charles | Rallonge reglable pour cles a douilles |
US4754670A (en) * | 1984-12-20 | 1988-07-05 | Raymond Walter E | Adjustable extension torque bar |
FR2702172A1 (fr) * | 1993-03-05 | 1994-09-09 | Francaise Metallurg | Tournevis muni de logements pour des embouts interchangeables. |
US5431075A (en) * | 1994-03-31 | 1995-07-11 | Jose A. Cruz | Swivel head screwdriver |
-
1995
- 1995-11-06 FR FR9513287A patent/FR2740717B1/fr not_active Expired - Fee Related
-
1996
- 1996-11-05 EP EP96937394A patent/EP0814943A1/fr not_active Ceased
- 1996-11-05 WO PCT/FR1996/001734 patent/WO1997017172A1/fr not_active Application Discontinuation
- 1996-11-05 AU AU75002/96A patent/AU7500296A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2963930A (en) * | 1958-12-01 | 1960-12-13 | Future Tool Co | Extensible torque bar |
US3667518A (en) * | 1970-04-30 | 1972-06-06 | Gardner Denver Co | Screwdriver with bit storing handle |
US4102375A (en) * | 1977-01-31 | 1978-07-25 | Rossini James L | Variable-length tool holder |
CA1147176A (fr) * | 1980-04-16 | 1983-05-31 | Fern St. Charles | Rallonge reglable pour cles a douilles |
US4754670A (en) * | 1984-12-20 | 1988-07-05 | Raymond Walter E | Adjustable extension torque bar |
FR2702172A1 (fr) * | 1993-03-05 | 1994-09-09 | Francaise Metallurg | Tournevis muni de logements pour des embouts interchangeables. |
US5431075A (en) * | 1994-03-31 | 1995-07-11 | Jose A. Cruz | Swivel head screwdriver |
Also Published As
Publication number | Publication date |
---|---|
FR2740717A1 (fr) | 1997-05-09 |
AU7500296A (en) | 1997-05-29 |
FR2740717B1 (fr) | 1998-02-20 |
EP0814943A1 (fr) | 1998-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0793024B1 (fr) | Dispositif d'assemblage et de verrouillage de deux tubes téléscopiques | |
EP2037864B1 (fr) | Montage d'un tube de gastrostomie sur une embase et bouton de gastrostomie | |
LU87004A1 (fr) | Mandrin auto-serreur pour perceuses ou appareils analogues | |
FR2487711A1 (fr) | Dispositif de fixation d'un foret a un outil mecanique et adaptateur utilise dans ce dispositif | |
EP0496702B1 (fr) | Dispositif antidérapant pour roue de véhicule | |
EP0417265A1 (fr) | Appareil de traitement d'informations portatif a ecran orientable. | |
FR2532380A1 (fr) | Dispositif d'ecrou a verrouillage positif automatique | |
EP0814943A1 (fr) | Outil multifonction | |
FR2702172A1 (fr) | Tournevis muni de logements pour des embouts interchangeables. | |
FR2720023A1 (fr) | Clé plate à commande de rotation alternative. | |
WO1997010930A1 (fr) | Dispositif de solidarisation par encliquetage d'un outil sur un manche. | |
FR2575704A1 (fr) | Instrument d'ecriture du type stylo, crayon ou analogue a pointe d'ecriture escamotable | |
FR2674916A1 (fr) | Dispositif d'assemblage des deux branches pivotantes d'un outil. | |
EP0207833B1 (fr) | Bouton fileté à limiteur de couple | |
FR2876612A1 (fr) | Cle a limitation de couple amelioree | |
EP0295179B1 (fr) | Instrument à écrire à bloc d'écriture démontable | |
EP0776737A1 (fr) | Outil de vissage-dévissage à accessoires multiples | |
EP1910032B1 (fr) | Cle pour la transmission d'un couple de serrage ou de desserrage a un dispositif de vis antivol | |
FR2540171A1 (fr) | Cadenas a elements separables par coulissement axial | |
FR2547247A1 (fr) | Dispositif de guidage pour la mise en place d'une roue sur l'essieu d'un vehicule automobile | |
EP0368703A1 (fr) | Dispositif de serrure perfectionné à rondelles de codage | |
FR2807461A1 (fr) | Dispositif pour enfoncer dans la neige par vissage des piquets | |
FR2709607A1 (fr) | Connecteur électrique coaxial à verrouillage par vissage. | |
FR2694222A1 (fr) | Mandrin de serrage d'un outil, notamment pour machine à avance automatique. | |
FR2689256A1 (fr) | Couronne de montre. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU BR CA CN JP KR MX US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1996937394 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1996937394 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: CA |
|
WWR | Wipo information: refused in national office |
Ref document number: 1996937394 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1996937394 Country of ref document: EP |