DE202014103797U1 - Spring terminal for conductor - Google Patents

Abstract

Spring-loaded terminal (1) designed as a direct plug-in terminal, in particular for connecting a stranded conductor, a. which has a housing (12) and a busbar (2) arranged therein for contacting an electrical conductor (6) and b. a clamping spring (3) acting as a compression spring for fixing the electrical conductor (6) in the spring-loaded terminal (1), c. wherein the clamping spring (3) has a clamping leg (32) which can be pivoted about a pivot axis (8) in a pivot direction (81), d. which can be adjusted from a latching state (R) in which it is latched to a holding means (41) by moving the electrical conductor (6) into a clamping state (K) in which it is unlatched from the holding means (41) and the electrical Presses conductor (6) against the busbar (2), characterized in that e. the spring-loaded terminal (1) has a sliding sleeve (7) which serves as an insertion aid for the conductor

Description

The present invention relates to a spring-loaded terminal with a bus bar, which is provided for contacting an electrical conductor, in particular a stranded conductor, and with a spring which is provided for fixing the electrical conductor in the spring-loaded terminal.

Such spring terminals in one embodiment as a direct plug-in terminals (push-in) with a compression spring which presses the conductor against the busbar, are known in various embodiments. They differ mainly due to their application, for example, depending on the required current carrying capacity of the busbar, the spring force of the clamping spring and / or their installation conditions, especially their size. In this case, a simple installation and a cost-effective production permanently Asked requirements for such a terminal.

The publication US Pat. No. 7,997,915 B2 discloses a wire end ferrule, at one end of a direct plug-in terminal for non-detachable connection of an electrical conductor is arranged. The direct plug-in terminal comprises a current-carrying clamping cage for electrically contacting the electrical conductor and a spring for fixing the electrical conductor. The spring has a pivotable clamping leg, which is positioned at not inserted into the direct plug-in electrical conductor on a retaining edge, so that a free space for the electrical conductor kept and this is inserted into the clamping cage. When inserted into the direct plug-in terminal, the holding means is displaced so that the clamping leg is released and pivoted. The pivoted clamping leg presses the electrical conductor to the clamping cage.

Object of the present invention is to provide a spring terminal, in particular an attachable spring terminal, in particular for stranded conductors, which improves this mechanism, so that the electrical conductor from the spring terminal is as possible without damage again solvable.

The object is achieved with a spring-loaded terminal according to claim 1. Advantageous embodiments can be found in the dependent claims.

It is provided a spring terminal, comprising a bus bar for contacting an electrical conductor, and a clamping spring for fixing the electrical conductor in the spring terminal, wherein the clamping spring has a pivotable about a pivot axis in a pivoting clamping leg, which of a latching state in which he is latched to a retaining means, by displacement of the inserted into the spring terminal electrical conductor is pivoted into a clamping state in which it is unlocked by the holding means and presses the electrical conductor against the busbar.

The holding means is preferably arranged on a retaining spring, which is pivotable about a second pivot axis in and against a second pivoting direction. By giving away the retaining spring, the holding means is therefore pivotable so that the clamping leg is unlocked.

In this case, the retaining spring preferably has a pressure surface, which further preferably extends transversely to the sliding direction. It is preferred that the retaining spring is pivotable by pressure on the pressure surface in the second pivoting direction.

When moving the inserted into the spring clamp electrical conductor in the sliding direction of this device comes into contact with the pressure surface. When pushing further in the sliding direction, it presses on the printing surface. As a result, the retaining spring is pivoted in the second pivoting direction, so that the clamping leg is unlocked by the holding means and pivoted in the pivoting direction.

In principle, a pressure surface at a different angle to the sliding direction is conceivable. The arrangement of the pressure surface transversely to the sliding direction is due to the large in this arrangement attack surface for the electrical conductor but advantageous.

In order to enable a free pivoting of the clamping leg in and against the pivoting direction, it is preferred that the pressure surface is arranged in the sliding direction below the holding means.

It is also particularly advantageous that the spring-loaded terminal has a sliding sleeve which serves as an insertion aid for the conductor and which facilitate the insertion of such finely stranded conductors, which are particularly flexible.

According to an advantageous development, the spring clamp is characterized in that it comprises a return means, which is provided for pivoting back of the clamping leg. The clamping leg is zurückschwenkbar by moving the return means against the pivoting direction of the clamping state in the locking state. As a result, a previously clamped in the spring terminal clamp in the terminal state conductor of the spring terminal in the latching state can be removed again.

Preferably, the return means protrudes in the clamping state of a terminal housing of the spring terminal. This makes it very easily accessible and very easy in the sliding direction pressed. The handling of the spring terminal is therefore feasible for full conductors and stranded conductors in the same way and very simple.

It is also preferred that the return means is jammed in the clamping state between the clamping leg and the terminal housing in this, so that it does not come off the terminal housing.

The clamping spring, the busbar and / or the retaining spring are preferably made as stamped and bent parts made of sheet metal, preferably made of strip material, since this is inexpensive possible with conventional methods.

In this case, the busbar is preferably made of an electrically highly conductive material, in particular of a copper-containing metal. Clamping spring and retaining spring are preferably made of a material with good spring properties.

In the following the invention with reference to an embodiment with reference to the drawings will be described in more detail. Show it:

1a a side view of a spring terminal with a clamping leg in the latching state, which is provided for clamping an inserted into the spring terminal electrical conductor, wherein a sliding sleeve is provided as an insertion aid for the stranded conductor;

1b the arrangement 1a in semi-transparent representation;

1c a section through the arrangement 1a ;

1d an explosive view of the arrangement 1a ;

1e a side view of the arrangement 1a during opening of the nip;

2a a spring-loaded terminal with a clamping leg in the latching state, which is provided for clamping an electrical conductor inserted into the spring-loaded terminal,

2 B the spring-loaded terminal when inserting the electrical conductor in the spring-loaded terminal 2a , wherein the clamping leg unlocked,

2c the clamping leg in the clamping state with inserted into the spring terminal electrical conductor;

3 in (a) - (c) an embodiment of a spring-loaded terminal according to the invention, in (a) with a clamping leg in the clamping state, in (b) during pivoting of the clamping leg from the clamping state to the locking state, and in (c) in the latching state, and in (d) and (e) respectively the retaining spring of the spring terminal from (a) - (c), and

4 a clamping spring and a retaining spring of the spring terminal 1 ,

2 shows a spring clamp 1 , here a bayable terminal, with a busbar 2 for contacting an electrical conductor, acting as a compression spring clamping spring 3 leading to jamming of the electrical conductor 6 in the spring-loaded terminal 1 is provided, and with a retaining spring 4 ,

On the retaining spring 4 is a holding agent 41 arranged on which the clamping spring 3 is latched in a latching state R.

The busbar 2 , the clamping spring 3 and the retaining spring 4 are in a terminal box 12 arranged, which is preferably made of an electrically insulating material, in particular made of a plastic. In the terminal housing 12 is an insertion opening 11 for insertion of the electrical conductor 6 intended.

The illustrated electrical conductor 6 has an electrically insulating sheath 62 on, which is above an open end 63 of the electrical conductor 6 stripped, leaving a vein 61 of the electrical conductor 6 is visible.

The clamping spring 3 has one about a pivot axis 8th in a pan direction 81 pivotable clamping legs 32 on, as well as a holding leg 31 , with which they are especially when pivoting the clamping leg 32 in a simple and safe way on the terminal housing 12 (especially plastic). A metallic clamping cage is not provided here, but is optional conceivable. Preferably, the holding leg 32 and the clamping leg 32 connected by a bend. In this bend engages an advantageous supporting contour of the terminal housing, which here from the axis of rotation 8th is interspersed and which also serves as a movement limit.

The clamping leg 32 has an open end 33 on. In the locked state R he is with his open end 33 against its restoring force with the holding means 41 locked.

The retaining spring 4 is about a second pivot axis 9 in and against a second pivoting direction 91 pivotable. When giving away the retaining spring 4 becomes with her the holding means 41 against the restoring force of the retaining spring 4 pivoted. This shifts the position of the holding means 41 to the second pivot axis 9 so that the open end 33 of the clamping leg 32 is unlocked.

To the retaining spring 4 in the second pivoting direction 91 to pivot, it has a printing surface 42 on. The printing surface 42 is provided transversely to the sliding direction S or conductor insertion direction S. By pressure on the printing surface 42 is the retaining spring 4 in the second pivoting direction 91 pivotable.

Between the clamping spring 3 and the busbar 2 is a free space formed in which the electrical conductor 6 in the latching state R of the clamping leg 32 in and against the sliding direction S is freely displaceable.

When moving the spring into the terminal 1 introduced electrical conductor 6 in the sliding direction S in the housing 11 gets the open end 63 of the electrical conductor 6 in contact with the printing surface 42 , When pushing further in the sliding direction S, he presses on the printing surface 42 , This will cause the retaining spring 4 in the second pivoting direction 91 pivoted. This is the clamping leg 32 from the holding means 41 unlatched and in the pivoting direction 81 pivoted. The printing surface 42 is in the sliding direction S below the holding means 41 arranged so that a free pivoting of the clamping leg 32 in and against the pivoting direction 81 is possible.

The spring clamp 1 also includes a return means 5 , The return means 5 is displaceable in and against the sliding direction S. It is for pivoting back the clamping leg 32 against the pivoting direction 81 intended. Here is the clamping leg 32 by moving the return means 5 against the pivoting direction S from the clamping state K in the latching state R zurückschwenkbar, so that its open end 33 with the holding means 41 locked again. Then one can be in the spring clamp 1 formerly in clamping state K jammed electrical conductor 6 the spring-loaded terminal 1 in the latching state R remove again.

In the embodiment shown here, the return means 5 in the latching state R between the clamping spring 3 and the electrical conductor 6 arranged. In the clamping state K, it is in the sliding direction S above the clamping leg 32 arranged. Therefore, the return means acts 5 in befindlichem in the clamping state K clamping leg 32 when moving in the sliding direction S directly on the clamping leg 32 , so that the required displacement for pivoting back of the clamping leg 32 is small.

Visible is that the return means 5 in the terminal state K from a terminal housing 12 the spring-loaded terminal 1 protrudes. This makes it very easily accessible and very easily pressed in the sliding direction S. To actuate the return means, this has an actuating groove, which simplifies an actuation with a tool such as a screwdriver. In addition, the return means 5 in the clamping state K between the clamping legs 32 and the terminal housing 12 stuck in this, so it is not out of the terminal box 12 solves.

The 2 (a) shows the clamping spring 3 in the latching state R of the clamping leg 32 , The electrical conductor 6 is still outside the spring clamp 1 arranged. It is visible that the open end of the clamping leg on the holding means, which is designed here as an edge, is locked. Clearly recognizable is the open space 13 between busbar 2 and clamping legs 32 ,

In 2 (b) is the electrical conductor 6 in the spring-loaded terminal 1 inserted and presses on the printing surface 42 the retaining spring 4 , Visible is the displacement of the holding means 41 through which the open end 33 of the clamping leg 32 from the holding means 41 unlatched.

The 2 (c) shows the in the spring clamp 1 bound electrical conductor 6 , The clamping leg 32 is in pan direction 81 around the pivot axis 8th swung and his open end 33 pushes the vein 61 of the electrical conductor 6 against the busbar 2 , It is also visible that the clamping leg 32 the return means 5 when pivoting in the swivel direction 81 against the sliding direction S presses. This shifts the return means 5 against the sliding direction S, leaving it out of the terminal housing 12 protrudes and is easily accessible. The clamping leg 32 also has an angle 321 to the sliding direction S on. It is conceivable to choose this so that the return means 5 in clamping state K against the terminal housing 12 is pressed and clamped self-locking.

A release of the electrical conductor 6 is possible by the return means 5 is moved from this clamping state K in the sliding direction S until the open end 33 of the clamping leg 32 again with the holding means 41 latched in the latching state R. The object of 2 - to which reference is made - is added to the 1 (A-e) advantageous to a sliding sleeve 7 added, which serves as an introduction to the leader. This sliding sleeve 7 is particularly advantageous when a leader 6 with very finely stranded wire or core or strand arrangement 61 is used.

The sliding sleeve 7 is with a sliding section 71 displaceable in the insertion opening 11 of the housing 12 guided. Both the sliding sleeve 7 as well as the insertion opening 11 have corresponding sliding contours in this area, so that the sliding sleeve 7 with a sliding portion in the insertion opening 11 is well movable.

The sliding contours can according to a preferred - but not mandatory - design corresponding rectangular, eg square, cross-sections (see 1d ) but also others, such as cylindrical cross sections.

The sliding sleeve 7 also has its own opening 72 into, in which of the stripped in its end electrical conductor 6 can be used. This passage opening 72 becomes so tapered that with ladders 6 a suitable pressure gauge whose insulation (a little) is greater than the diameter of the passage opening 72 in the narrowed section, though the vein arrangement 62 but not the insulation or sheath 61 in the inserted state from the sliding sleeve 7 can protrude in the sliding direction S. The jacket 61 rather, is in the inserted state of the conductor on the tapered area 73 in the sliding direction, and so can continue to move the conductor 6 in sliding direction S advance the sliding sleeve in sliding direction S.

The sliding sleeve also indicates in extension of the sliding portion 71 a web-like actuation approach 74 on, extending to the retaining spring 4 extends and at its end directly or in the region of a crossbar 75 with the retaining spring 4 is coupled. Here, this coupling is realized in that one end of the retaining spring in a slot 76 of the actuation approach 74 , here the crossbar 75 , engages. The other end of the retaining spring 4 with the holding means is preferably in a slot of the housing 12 established. The retaining spring 4 can be at her with the actuation lug 74 coupled end are so deflected in the sliding direction S.

The function of this arrangement is as follows.

When inserting the stripped conductor end, the insulation comes 61 on the rejuvenating area 73 to the plant. In this state, the wire arrangement or strand arrangement is 62 from the sliding sleeve 7 in the sliding direction or in the direction of the contact point to be formed. Upon further insertion of the conductor 6 pushes the sheathing or insulation 61 the sliding sleeve 7b continue in sliding direction S before. This will be the one with the operating approach 71 coupled retaining spring 4 deflected, which eventually leads to a sufficiently wide insertion of the conductor 6 with the sliding sleeve 7 the clamping spring 3 releases so that they can relax and contact the conductor.

The opening of the terminal point can be analogous to 2 with a return means 5 respectively. This opening is in 1 (e) indicated.

Preferably, the insertion opening 61 a gradation as a stop for the sliding means in the sliding direction S to define the maximum sliding path.

The spring clamp 1 of the 3 - 4 differ from the spring clamp 1 of the 1 in particular and among other things by the formation of the retaining spring 104 , A sliding sleeve is not shown in this embodiment, but would be supplemented. Each spring terminal of the 3 - 4 can therefore be provided with a sliding sleeve, preferably according to the type 1 is designed.

3 shows a spring clamp 101 , here a bayable terminal, with a busbar 102 for contacting an electrical conductor, acting as a compression spring clamping spring 103 , for jamming the electrical conductor (not shown here) in the spring-loaded terminal 101 is provided, and with a retaining spring 104 , As mentioned, the sliding sleeve to be supplemented is not shown.

On the retaining spring 104 is a holding agent 141 arranged on which the clamping spring 103 is latched in a latching state R.

The busbar 102 , the clamping spring 103 and the retaining spring 104 are in a terminal housing on the type of 2 arranged, of which in 3 only one main body that is in 3 not shown, and which is preferably made of an electrically insulating material, in particular of a plastic. In the terminal housing in turn an insertion opening for insertion of the electrical conductor is provided. It is going to the appropriate remarks too 2 directed.

The clamping spring 103 has one about a pivot axis 108 in a pan direction 181 pivotable clamping legs 132 on, as well as a holding leg 131 , with which they are especially when pivoting the clamping leg 132 supported in a simple and secure manner on a metallic clamping cage, here with the busbar 10 is integrally formed. Preferably, the holding leg 131 and the clamping leg 132 over a bend 130 connected with each other. In this bend 130 engages an advantageous support contour of the terminal housing 112 one, which here from the axis of rotation 108 is interspersed and which also serves as a movement limit (see 2 ).

The clamping leg 132 has an open end 133 on. In the resting state R he is with his open end 133 against its restoring force with the holding means 141 locked.

The spring clamp 101 also includes a return means 105 , The return means 105 is in and against the sliding direction 107 displaced. It is for pivoting back the clamping leg 132 against the pivoting direction 181 intended. Here is the clamping leg 132 by moving the return means 105 against the pivoting direction 107 from the clamping state K in the latching state R zurückschwenkbar, so that its open end 133 with the holding means 141 locked again. Then one can be in the spring clamp 101 formerly in clamping state K jammed electrical conductor 106 the spring-loaded terminal 101 in the latching state R remove again.

In the embodiment shown here, the return means 105 in the latching state R between the clamping spring 103 and the electrical conductor. In the clamping state K, it is in the sliding direction 107 above the clamping leg 132 arranged. Therefore, the return means acts 105 in befindlichem in the clamping state K clamping leg 132 when moving in the sliding direction 107 directly on the clamping leg 132 , so that the required displacement for pivoting back of the clamping leg 132 is small.

It is again advantageous that the return means 105 in the terminal state K from a terminal housing 112 the spring-loaded terminal 11 protrudes. This makes it very easily accessible and very easy in the sliding direction 107 pressed. For actuating the return means, this has an actuating groove 151 on, which simplifies an operation with a tool such as a screwdriver. In addition, the return means 105 in the clamping state K between the clamping legs 132 and the terminal housing jammed in this, so that it does not come loose from the terminal housing.

Shown in (a) is the clamping state K of the spring-loaded terminal 101 without the inserted conductor 106 , Visible is that the open end 133 of the clamping leg 103 in this embodiment, the spring clamp 101 without the inserted conductor 106 on a catch 121 the busbar 102 is applied. The busbar 102 This embodiment is part of a Klemmkä 120 , which is bent in a U-shape, for example.

When not in the spring-loaded terminal 101 plugged in conductor 106 is the default 105 in the clamping state K far by means of the clamping leg 132 against the sliding direction 107 moved so that it is easily accessible from the outside.

The retaining spring 104 of the 3 and 4 has a bearing leg 140 on. This bearing leg 140 but extends transversely to the sliding direction 107 , It is fixed or at least supported on the main body or on a part of the clamping cage or on another part. To the bearing leg 140 closes the pivot leg 143 at. However, the bearing leg 140 and the pivot leg 143 here in contrast to the embodiment of the 1 through a bow 401 connected to each other and the pivot leg is approximately L-shaped. This shows the bearing leg 140 and the pivot leg 143 an acute angle 192 to each other and form a (in side view) U-shaped unit.

At the pivot leg 143 closes in this embodiment, the printing surface 142 at. In addition, here is the holding means 141 on the pivot leg 143 arranged so that it is in the sliding direction 107 in front of the printing surface 142 is positioned. The holding means is compared to the prior art of 1 developed particularly advantageous.

The holding means 141 is formed by a locking edge, which at one side of the pivot leg 143 molded retaining wing 410 is arranged. Alternatively, both sides of the pivot leg 143 is in each case such a holding wing 410 be arranged.

The 3 (b) shows the spring clamp 101 during pivoting of the clamping leg 132 from the clamping state K against the first pivoting direction 181 in the resting state R. Visible is that the open end 133 of the clamping means 132 while in contact with the holding means 141 device and the retaining spring 104 while in the sliding direction 107 suppressed. This will be the pivot leg 143 and the printing area 142 around the second pivot axis 109 in the second pivoting direction 191 pivoted. This gives way to the retaining spring 104 in the second pivoting direction 191 out and the clamping legs 132 is behind the locking edge 141 displaceable.

When swinging back the pivot leg 143 becomes the clamping leg 132 behind the locking edge 141 locked. The spring clamp 101 is then in the locked state R. This shows the 3 (c) , The pivoting of the retaining spring 104 is in the 3 (d) shown.

The geometry of this embodiment of the retaining spring 104 has a self-locking effect, so that the clamping spring 103 from the holding means 141 the retaining spring 104 is kept safe even under strong vibration. Preferably has a locking edge 410 ' on one or more holding wings 410 the holding means relative to Ladder insertion direction or sliding direction 107 an angle alpha preferably greater than 0 °, preferably greater than and less than 45 °.

4 shows a further embodiment of the retaining spring 104 with a likewise self-locking geometry. Also this retaining spring 104 has an approximately L-shaped pivot leg 143 with laterally formed retaining wings 410 on. The bearing leg 140 but here extends across the printing surface 142 and against the sliding direction 107 , The bearing leg 140 is on the holding thigh 131 the clamping spring 103 fastened, for example by means of a screw or rivet connection 134 ,

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• US 7997915 B2 [0003]

Claims (15)

Formed as a direct plug terminal spring terminal ( 1 ), in particular for connecting a stranded conductor, a. the one housing ( 12 ) and a bus bar ( 2 ) for contacting an electrical conductor ( 6 ) and b. a compression spring acting as a compression spring ( 3 ) for fixing the electrical conductor ( 6 ) in the spring-loaded terminal ( 1 c. the clamping spring ( 3 ) one about a pivot axis ( 8th ) in a pivoting direction ( 81 ) pivotable clamping legs ( 32 ), d. that of a latching state (R) in which it is connected to a holding means ( 41 ) is locked by moving the electrical conductor ( 6 ) in a clamping state (K) is adjustable, in which it from the holding means ( 41 ) is unlocked and the electrical conductor ( 6 ) against the busbar ( 2 ), characterized in that e. the spring-loaded terminal ( 1 ) a sliding sleeve ( 7 ), which serves as an insertion aid for the conductor Spring terminal according to claim 1, characterized in that further comprises a return means ( 5 ) for pivoting back the clamping leg ( 32 ) is provided, with the clamping leg ( 32 ) by shifting the return means ( 5 ) against the pivoting direction ( 81 ) from the clamping state (K) in the latching state (R) is zurückschwenkbar. Spring terminal according to claim 1 or 2, characterized in that the sliding sleeve ( 7 ) with a sliding section ( 71 ) displaceable in an insertion opening ( 11 ) of the housing ( 12 ) is guided. Spring terminal according to one of the preceding claims, characterized in that the sliding sleeve ( 7 ) a passage opening ( 72 ), in which the stripped in its end region electrical conductor ( 6 ) and that the passage opening ( 72 ) in the sliding direction (S) such that, although the core arrangement ( 62 ), but not the insulation or sheath ( 61 ) in the inserted state from the sliding sleeve ( 7 ) protrude in a conductor insertion direction or sliding direction (S). Spring terminal according to one of the preceding claims, characterized in that the sliding sleeve in extension of the sliding portion ( 71 ) an actuation approach ( 74 ), which extends to the retaining spring ( 4 ) and which at its end directly or in the region of a crossbar ( 75 ) with the retaining spring ( 4 ) is coupled. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the return means ( 5 ) in the latching state (R) between the clamping spring ( 3 ) and the electrical conductor ( 6 ) and in and against the sliding direction (S) is displaceable. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the return means ( 5 ) in the clamping state (K) between the clamping leg ( 32 ) and a terminal housing ( 12 ) is jammed in this. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the return means ( 5 ) for returning the clamping leg ( 32 ) is displaceable in the sliding direction (S). Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the holding means ( 41 ) on a retaining spring ( 4 ) is arranged. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the retaining spring ( 4 ) about a second pivot axis ( 9 ) in and against a second pivoting direction ( 91 ) is pivotable. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the clamping leg ( 32 ) when pivoting in the pivoting direction ( 81 ) the return means ( 5 ) moves against the sliding direction (S). Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the holding means ( 141 ) on a pivoting leg ( 143 ) is arranged. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the pivoting leg ( 143 ) Is L-shaped and / or that the pivot leg ( 143 ) and the bearing leg ( 140 ) form a u-shaped unit. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the bearing leg ( 140 ) on the holding leg ( 131 ) of the clamping spring ( 103 ), preferably by means of a screw or rivet connection ( 134 ). Spring terminal ( 1 ) according to one of the preceding claims, characterized in that the clamping spring ( 103 ) of the holding means ( 141 ) of the retaining spring ( 104 ) is securely held even under strong vibration influences. Spring terminal ( 1 ) according to one of the preceding claims, characterized in that a latching edge ( 410 ' ) on one or more holding wings ( 410 ) of the holding means ( 141 ) relative to Ladder insertion direction or sliding direction ( 107 ) has an angle alpha preferably greater than 0 °, preferably greater than and less than 45 °.

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