EP1005961A1 - Pocket tool with various tool bits - Google Patents

Abstract

The pocket tool includes at least one body element with a functional element movable out from the handle. The functional element can be turned out of the body element against the force of an elastic element (28) round a pivot (29). The elastic element lies against the stub (30) of the functional element, and these two act in a locking cam and recess combination in at least one end position.

Description

The invention relates to a pocket tool with an elongated serving as a handle and a receiving area for those that can be brought out of the handle into a functional position Body parts having functional parts.

Pocket tools of this type are known, for example, as pocket knives, with two bowls serving as a booklet, lying opposite each other, between which one or more functional parts, such as knife blades, corkscrews, screwdrivers and the like. Swung out and essentially by spring pressure in the swung in or out are kept. These are in the most varied Embodiments known. They usually have several, e.g. B. about Functional parts pivotably arranged on rivet bolts, their functional surfaces designed as a knife blade, can opener, nail file, corkscrew and the like are. In addition, pocket knives are known, which are the most varied Include tools as functional parts. For example different slotted and Phillips screwdriver sizes or different Sizes of inner and outer hex keys on a pocket knife arranged. These functional parts are between parallel to each other lying boards that are connected to each other by rivet bolts and of which the outer ones are covered with one of the two shells. The bowls shape the optical appearance of a pocket knife but also responsible for ergonomics and grip. In addition is it is known to provide the shells with insertion channels, for example Toothpicks, tweezers or cleaning needles for spray nozzles of motor vehicle window washers take up.

Equipping pocket knives with for a wide variety of uses suitable functional parts are also reflected in that known pocket knives are combined with a writing instrument. Such pocket knives are subject to high assembly costs and therefore cause an expensive manufacture.

Known pocket tools, preferably pocket knives, usually have functional elements that can be swung out to the side and that extend laterally from the Contour of the housing element partially protrude and in a known manner Way are palpable with your fingertips. They can be swiveled against springs stored so that both in the pivoted transport or storage position a holding force also acts in the pivoted-out functional position. This will applied by the elastic elements and can not be controlled. So It can happen that the functional elements are accidentally used collapse. In addition, the feathers wear out over time, which continues has an unfavorable effect. Another disadvantage of pivotable functional elements exists in that these are usually pivotable about an axis and thus absorb torsional forces only to a limited extent. Other functional elements are inserted into slots in the shells or in the body element and can be removed. Pocket tools are usually used for certain general functions designed and rarely are pocket tools for special Individual tasks designed because this is associated with too high costs. In particular are not pocket tools with exchange elements and are too versatile Functions in the field of electrical devices, in particular computer technology known.

Starting from the known prior art, the present invention has for its object to provide a pocket tool of the generic type, which has various functional elements that can be used for different purposes in the field of electrical equipment, especially computer technology, which is economical to manufacture and easy to use.

In particular, a tool is to be provided in which the usable Functional elements also lever and torsional forces at least to the usual extent be able to record. In addition, the aim is to improve the control of the holding forces both in the transport and in particular in the functional position be made possible.

To solve this problem technically, a generic pocket tool is developed in that a bit key and a bit receiving area are formed on the body element.

Further advantageous features of the invention emerge from the subclaims.

A bit key that can preferably be swung out is essentially one Shank formed with a key area at one end and the other end has a pivot bearing area. The pivot bearing area is preferred offset to the longitudinal central axis of the shaft. Through this crank-like training there are a number of advantages. Firstly, in the body element formed by the laterally pivoted shaft, a receiving area for the other is the longitudinal central axis of the bit key when swiveled out next to the longitudinal central axis of the body element, ie laterally offset. Thereby excellent leverage results and the plate-shaped design Swivel bearing area can have large torsional forces on the body element transmitted so that forces of corrosion can be absorbed well. The Swivel bearing area is provided with cams, and is along a guideway a spring moves. The spring in turn has cam sinks, at least in the in the end positions of the bit key on the swivel bearing area Snap the arranged cams into place. As a result, the holding forces in both the swiveled-in position as well as in the swiveled-out functional position significantly improved. This design makes it possible to use weak spring elements to use. According to the invention, short spring elements can are used, which take up only a partial length of the body element. Across from conventional spring elements is reduced to 30% to 50% of the Length possible. The spring is preferably equipped with a spring lever, to improve strength.

The key area has at least two different hexagon socket, the are formed axially one behind the other in the key. One is for recording the bits, the other can for example for certain nuts, nut bolts or the like. For example, in the computer field D-SUB connector used with typical nut screws. The bits are double-sided according to a particularly advantageous proposal of the invention.

The receiving area in the pocket tool is preferably made by means of blanks, so function boards and intermediate boards formed recesses. A bit magazine which can be swung out is preferably in the receiving area used. The bits are according to an advantageous proposal of the invention formed as double bits, so have a functional area at both ends.

The pocket tool preferably has a large number of other functional elements on, for example, one or two knife blades, different slotted screwdrivers, for example 1 1/2, 3 and 6 mm, if necessary a combination pliers, Wire cutters, sleeve presses, scissors, capsule openers, wire strippers, Can opener, tweezers etc. The bit magazine is preferably for four bits, single bits or double bits, which are used in particular in electrical appliances, computers, Toys and the like are most common. One speaks of so-called Potsidrive, Torx, Philips and hexagon. The pocket tool is Space and weight saving, and also absolutely functional.

Between the spring and the swivel bearing area of the bit key Longitudinal center line of the pocket tool inclined impact or Printing areas formed. These 20 ° to 40 ° inclined surfaces allow use small or weak feathers. In addition, the training of Swivel bearing area and the guideway of the spring as a cam / cam track pair, that in the end positions, a cam engages in a cam depression, whereby appropriate holding forces are provided in particular in the functional position become.

This cam track combination can also be used with the other functional elements be used.

Overall, the invention is a space and weight-saving, functional and very good in the electrical appliance sector, especially in the computer sector usable tool provided.

Fig. 1

eine explosionsartige Darstellung eines Teils eines erfindungsgemäßen Taschenwerkzeugs;

Fig. 2

einen Schnitt entlang der Linie A-A gemäß Fig.1;

Fig. 3

einen Schnitt entlang der Linie B-B gemäß Fig. 1;

Fig. 4

einen Schnitt entlang der Linie C-C gemäß Fig. 1;

Fig. 5

ein Detail im Schwenklagerbereich gemäß Fig. 1 mit ausgeschwenktem Bitschlüssel;

Fig. 6

eine Draufsicht auf eine Zwischenplatine und

Fig. 7

eine Detaildarstellung eines Nocken/Nockenbahn-Paares.

Further advantages and features of the invention result from the following description with reference to the figures. Show:

Fig. 1

an exploded view of part of a pocket tool according to the invention;

Fig. 2

a section along the line AA of Figure 1;

Fig. 3

a section along the line BB of FIG. 1;

Fig. 4

a section along the line CC of FIG. 1;

Fig. 5

a detail in the pivot bearing area of FIG 1 with the bit key swung out.

Fig. 6

a plan view of an intermediate board and

Fig. 7

a detailed representation of a cam / cam track pair.

The embodiment shown in Fig. 1 represents a disc-shaped segment of a multi-purpose pocket tool. Usually thin intermediate plates separate so-called boards, the individual tool layers from each other and at the same time form the tool body with the shell elements on both sides. The embodiment shown in Fig. 1 comprises a bit key 1, which around the axis 10 is inserted between two boards. The bit key 1 is a shaft - shaped element that has the actual key in one end Has shape of the hexagon socket 14 and 15, at the other end to the longitudinal central axis of the shaft off the pivot bearing region rotatable about the axis 10. The bit key 1 is spring-loaded against a spring 8 from that shown in FIG. 1 Swiveling position, namely rotatable by 180 ° in that shown in Fig. 5 Position. The bit key is in the form of a segment of a circle at the swivel bearing area educated. Recesses serve on the one hand to save weight, on the other hand cams are formed for holding functions. The circular segment shape gives the bit wrench has good torsional resilience since the forces are large between the boards are included. Due to the offset of the axis of rotation 10 to the longitudinal central axis, as shown in FIG. 5, results in the functional position Lever between the actual tool body and the central axis of the Key, so that forces can be transferred very well. The circle segment has recesses with cams, in the position shown in Fig. 1 in Closing spring bearing 9 is a pivot-side cam with a spring-side depression cooperates. The bit key is thus well in the swiveled-in position held. First, the cam has to come out of the depression against the force of the spring 8 can be lifted so that the bit key can be rotated further by the oblique Arrangement in the closing spring bearing 9 results in a relative to the axis 10 good leverage. The spring 8 can due to the described cam / cam track pairing be designed as a short spring, which is shown in the Embodiment is lever-mounted to increase the spring force. As in Fig. 1 shown, the spring 8 also has a second cam depression 11, which has an opening spring bearing forms. 5 shows the bit key in the pivoted-out position, the stop 12, which is designed as a cam, against the opening spring bearing 11 is present. This creates an increased holding force in the swiveled out position Position of the bit key generated so that it is not undesirable can fold. So that the short and light spring 8 in the closing spring bearing 9 still exerts enough closing pressure in the transport position on the bit key shown embodiment with a 20 ° inclined depression against a 22 ° Cam on the bit key. These angles can vary depending on the desired gain of the closing or holding pressure vary between 15 ° and 35 °. In the in Fig. 5, open functional position shown, the bit key must be strong enough are fixed so that it does not close undesirably. This is achieved at angles around approx. 60 ° in the area of the opening spring bearing 11 and the cam in the attachment point 12 on the talon of the bit key. This statement is complete in practice sufficient and makes an additional locking and unlocking mechanism superfluous.

The bit key has a first hexagon 14, which is approximately 2 mm deep, and one second hexagon socket 15. The hexagon socket 14 has in the embodiment shown a width of 5.1 mm to fit the 5 mm or 3/16 "nuts To be used with so-called D-SUB connectors. Such Connectors are used in computers and other electronic devices worldwide. The hexagon socket 15 is approximately 16 mm deep and has a width of 4.1 mm and is used to record single or double bits. In Fig. 1 is in the key a double bit is used. In the swivel bearing area or on the talon of the bit key this also has a flattening 13, which makes it possible with the Bit key in addition to the fully swiveled 180 ° functional position work exceptionally at a 90 ° angled position. Such additional locking position can also be used for other tools.

In Fig. 1, the bit magazine 2 is also shown, which when pressure is applied is pivotable on the protective cam 3 about the axis 4. To do this, the bit key 1 also be swung out. The magazine contains in the shown Embodiment 3 additional double bits. In addition to the pressure on the Protective cam 3 can also exert pressure on the position denoted by 16 to swing out the magazine.

2 to 4 show the details of the overall arrangement, namely the arrangement of the bit magazine between the boards 5, the training two hexagon socket 14 and 15 in bit key 1, the use of the in the Level of the circuit boards 5 lying area 7 through the holding webs of the bit magazine and the same. The bit magazine is, for example, a molded plastic part or also made of metal and has slots for bits or double bits, for example by means of spring-loaded balls in the bit magazine and in the hexagon socket 15 of the bit key are held. After swiveling out the bit key the bit magazine can be swung out as required to provide a corresponding one Take the bit and insert it into the bit key. The specific to this Purpose-designed boards 5 are shown in detail in FIG. 6. The board shows a large cut-out area which, as in the sectional illustration in FIG. 3 shown, is required so that parts of the bit magazine are arranged in the circuit board level can be. The bit magazine therefore takes up the area of the function board between the intermediate boards as well as part of the board area yourself one.

The specialty for controlling and improving the holding forces when swinging out Functional elements is also shown in FIG. 7. FIG. 7 shows the Talon 30 of a pivotable about the axis 29 functional element 27 and the corresponding end region of the spring 28. The functional element rests in the transport position 27 with its rest stop area 31 on the rest stop area 32 of the spring 28. In the exemplary embodiment shown, a cam 33 is on Talon 30 snapped into a cam depression 34 on the spring. Thus it results a corresponding depending on the size of the cam 33 and the spring force Holding force in the transport position, i.e. the swiveled-in position of the functional element. The angle 35, for example between 22 ° and 37 °, is decides for the force that has to be applied to the cam 33 to pry out of the depression 34. Accordingly, the angle 36 of the cam depression 34 be adapted, for example in a range between 20 ° and 35 °. If the functional element is gripped and the holding force is exerted by force overcome, so that the cam 33 is lifted out of the cam depression 34 movement path 37 runs through the resting stop at the extreme end of the talon 32. This slide guide causes a clean swing-out movement of the functional element 27 relative to the spring 28. Finally, the in the embodiment shown with 38 cams on the talon in the Cam depression 39 on the further spring edge. The height of the stop 42 defines the swung out position. They are also in this pair of cams / valleys Angle 40 on cam 38 on talon 30 and angle 41 on cam depression 39 matched to each other on the spring 28, for example both at about 60 °. Out of it there is a corresponding holding force of the functional element 27 in the swung out position so that, for example, an unintentional folding back is largely excluded from use.

The exemplary embodiments described serve only for explanation and are not restrictive. In particular, only one holding cam can be at the end of the talon be designed to increase the force in one of the end positions. Cams can also be formed on the spring and cam sinks on the talon. Corresponding backdrop guides of the same type are also conceivable.

Reference list

1

Bit key

2nd

Bit magazine

3rd

Protective cams

4th

axis

5

circuit board

6

Magazine area

7

Board level

8th

feather

9

Spring bearing

10th

axis

11

Opening spring bearing

12th

Anchor point

13

Flattening

14

Hexagon

15

Hexagon

16

Pressure point

27

Functional element

28

feather

29

axis

30th

Talon

31

Rest stop

32

Rest stop

33

cam

34

Sink

35

angle

36

angle

37

Trajectory

38

cam

39

Sink

40

angle

41

angle

42

attack

Claims (10)

Pocket tool with an elongated body element serving as a handle and having a receiving area for functional parts which can be brought out of the handle into a functional position,
characterized,
that a bit key and a bit receiving area are formed on the body element. Pocket tool according to claim 1, characterized in that the bit key can be swung out. Pocket tool according to one of the preceding claims, characterized in that that the bit key is formed from a shaft on the the key area at one end and one to the other Longitudinal center axis of the shaft offset pivot bearing area formed are. Pocket tool according to claim 3, characterized in that the Key area at least two axially lying hexagon areas with different widths. Pocket tool according to one of the preceding claims, characterized in that that the bit key with the swivel bearing area against one Spring element is mounted. Pocket tool according to claim 5, characterized in that the spring element has only a partial length of the body element. Pocket tool according to one of claims 5 or 6, characterized in that that between the pivot bearing area and the spring element to the longitudinal center axis of the pocket tool inclined impact or Printing areas are formed. Pocket tool according to one of claims 5 to 7, characterized in that that the pivot bearing area of the spring and the edge guided thereon of the pivot bearing area are designed as a cam / cam track pair. Pocket tool according to one of the preceding claims, characterized in that that the bit-receiving area through recesses in function boards and intermediate boards is formed. Pocket tool according to one of the preceding claims, characterized in that that in the bit receiving area one from the body element removable bit magazine is used.

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