Slide switch
By introducing a rotation mechanism of toggle and actuator into the slide switch, the structure is simplified, the number of parts is reduced, a smaller switch thickness is achieved, and the user experience is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SCHNEIDER ELECTRIC IND SAS
- Filing Date
- 2024-05-31
- Publication Date
- 2026-04-21
AI Technical Summary
Conventional slide switches have numerous parts, complex structures, and are quite thick, which affects the user experience.
By setting a toggle on the sliding panel, the toggle drives the actuator to rotate, and the actuator then drives the movable conductive part and the fixed conductive part to rotate between the on and off positions, thus realizing the switching of the switch state, reducing the number of parts and simplifying the structure.
This resulted in a thinner switch and an improved user experience.
Smart Images

Figure CN224153312U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of this disclosure generally relate to the field of switching equipment technology, and more specifically, to a slide switch. Background Technology
[0002] A slide switch is a switch that turns on and off by lateral operation. The switch can be toggled between on and off states by pushing the switch panel in a predetermined direction. Conventional slide switches contain numerous parts, have a complex structure, and are relatively thick, which negatively impacts the user experience. Utility Model Content
[0003] The purpose of this disclosure is to provide a slide switch that at least partially solves the above-mentioned problems and other potential problems.
[0004] In one aspect of this disclosure, a slide switch is provided, comprising: a base having an internal space; a movable conductive member and a fixed conductive member disposed in the internal space, the movable conductive member being connectable and disconnectable from the fixed conductive member; a support member disposed in the internal space and coupled to the base; a sliding panel at least partially covering the base, the sliding panel being slidable relative to the base in a predetermined direction, the sliding panel having a toggle member disposed on the side facing the base; and an actuator coupled to the support member and rotatable relative to the support member, the actuator being rotatable under the drive of the toggle member and driving the movable conductive member to connect and disconnect from the fixed conductive member.
[0005] In some embodiments, the actuating member includes a shift fork, and the actuating member includes: a connecting portion rotatably connected to the support member; mating portions disposed on opposite sides of the actuating member and abutting against the inner wall of the shift fork; and an actuation hole surrounding a portion of the movable conductive member.
[0006] In some embodiments, the outer surface of the mating part is arc-shaped.
[0007] In some embodiments, the actuating member includes a pair of contact heads disposed opposite to each other, and the actuating member includes: a connecting portion rotatably connected to the support member; a mating portion disposed on opposite sides of the actuating member and abutting against the pair of contact heads; and an actuating hole surrounding a portion of the movable conductive member.
[0008] In some embodiments, the actuator includes a groove, and the actuator includes: a connecting portion rotatably connected to the support; a connecting shaft at least partially disposed in the groove and capable of moving with the groove and rotating relative to the groove when the sliding panel slides; and an actuation hole surrounding a portion of the movable conductive element to drive the movable conductive element to rotate.
[0009] In some embodiments, the connecting shaft is cylindrical.
[0010] In some embodiments, the connecting portion includes a pair of connecting pins disposed on opposite sides of the actuator, and the support member is provided with a pair of connecting holes, wherein the pair of connecting pins are respectively rotatably connected to corresponding connecting holes in the pair of connecting holes.
[0011] In some embodiments, the actuation orifice is Ω-shaped.
[0012] In some embodiments, the active conductive element includes: a coupling portion inserted into the actuation hole to be driven by the actuator; and an electrical connection portion capable of connecting and disconnecting from the fixed conductive element.
[0013] In some embodiments, the support abuts against the fixed conductive element.
[0014] According to embodiments of this disclosure, a toggle member is provided on the sliding panel, and an actuator is disposed between the toggle member and the movable conductive member. The actuator can rotate under the drive of the toggle member. With this arrangement, when the sliding panel slides in a predetermined direction, the toggle member can drive the actuator to rotate, and the actuator can drive the movable conductive member to rotate relative to the fixed conductive member between an on and off position, thereby achieving switching of the switch state. The sliding switch of the embodiments of this disclosure has a simple structure, fewer parts, and can achieve a smaller switch thickness, improving the user experience.
[0015] It should be understood that the content described in this section is not intended to limit the key or essential features of the embodiments of this disclosure, nor is it intended to restrict the scope of this disclosure. Other features of this disclosure will become readily apparent from the following description. Attached Figure Description
[0016] The above and other features, advantages, and aspects of the embodiments of this disclosure will become more apparent from the accompanying drawings and the following detailed description. In the drawings, the same or similar reference numerals denote the same or similar elements, wherein:
[0017] Figure 1 An exploded view of a slide switch according to an embodiment of the present disclosure is shown;
[0018] Figure 2 and Figure 3 Schematic cross-sectional views of a slide switch according to an embodiment of the present disclosure, taken along different directions, are shown;
[0019] Figure 4 The on / off state of a slide switch according to an embodiment of the present disclosure is shown;
[0020] Figure 5 The open state of a slide switch according to an embodiment of the present disclosure is shown;
[0021] Figure 6 A schematic diagram of the structure of a sliding panel according to an embodiment of the present disclosure is shown;
[0022] Figure 7 and Figure 8 A perspective view of an actuator according to an embodiment of the present disclosure is shown from different perspectives;
[0023] Figure 9 A schematic diagram of the structure of an active conductive element according to an embodiment of the present disclosure is shown;
[0024] Figure 10 An example relative arrangement of the actuator and the active conductive element according to an embodiment of the present disclosure is shown;
[0025] Figure 11 An exploded view of a slide switch according to another embodiment of the present disclosure is shown;
[0026] Figure 12 and Figure 13 Schematic cross-sectional views of a slide switch according to another embodiment of the present disclosure, taken along different directions, are shown;
[0027] Figure 14 The on / off state of a slide switch according to another embodiment of the present disclosure is shown;
[0028] Figure 15 The open state of a slide switch according to another embodiment of the present disclosure is shown;
[0029] Figure 16 A schematic diagram of the structure of a sliding panel according to another embodiment of the present disclosure is shown;
[0030] Figure 17 A perspective view of an actuator according to another embodiment of the present disclosure is shown; and
[0031] Figure 18 An example relative arrangement of the actuator and the active conductive element according to another embodiment of the present disclosure is shown.
[0032] Explanation of reference numerals in the attached figures:
[0033] 100 slide switch;
[0034] 110 base;
[0035] 1110 Interior space;
[0036] 120 sliding panel;
[0037] 1210 Buckle;
[0038] 1220 Toggle element;
[0039] 1221 Fork;
[0040] 1222 Groove;
[0041] 130 actuators;
[0042] 1310 Connecting part;
[0043] 1320 Coordination Department;
[0044] 1330 Actuation Hole;
[0045] 1340 connecting shaft;
[0046] 140 active conductive components;
[0047] 1410 Coupling part;
[0048] 1420 Electrical connection part;
[0049] 150 Fixed conductive component;
[0050] 160 support components;
[0051] 1610 Connecting hole;
[0052] 170 spring. Detailed Implementation
[0053] Preferred embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art.
[0054] The term "comprising" and its variations as used herein signify open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "at least partially based on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc., may refer to different or the same objects.
[0055] As mentioned above, conventional slide switches contain numerous parts, have a complex structure, and are relatively thick, affecting the user experience. Embodiments of this disclosure provide a slide switch in which, when the sliding panel slides in a predetermined direction, a toggle member drives an actuator to rotate, and the actuator drives a movable conductive member to rotate relative to a fixed conductive member between an on and off position, thereby achieving the switching of the switch state. The following describes... Figures 1 to 18 To describe exemplary embodiments of this disclosure.
[0056] Figure 1 An exploded view of a slide switch 100 according to an embodiment of the present disclosure is shown. Figure 2 and Figure 3 Schematic cross-sectional views of a slide switch 100 according to an embodiment of the present disclosure, taken along different directions, are shown. Figures 1 to 3 As shown, the slide switch 100 described herein generally includes a base 110, a sliding panel 120, an actuator 130, a movable conductive element 140, a fixed conductive element 150, and a support 160.
[0057] like Figure 1 and Figure 2 As shown, the base 110 has an internal space 1110. The internal space 1110 can accommodate the switching components of the slide switch 110, such as a fixed conductor 150 and a movable conductor 140. The fixed conductor 150 can be fixedly disposed in the internal space 1110. The movable conductor 140 can be disposed in the internal space 1110 and is rotatable relative to the base 110 in order to connect and disconnect with the fixed conductor 150.
[0058] like Figures 1 to 3 As shown, the sliding panel 120 at least partially covers the base 110. The sliding panel 120 is capable of sliding relative to the base 110 along a predetermined direction X. When the sliding panel 120 is pushed along the predetermined direction X, the sliding panel 120 can drive the actuator 130 to rotate, and the actuator 130 can drive the movable conductive element 140 to rotate relative to the fixed conductive element 150 between an on position and an off position, thereby realizing the switching of the switch state. In the on position, the electrical contacts on the movable conductive element 140 can be connected to the electrical contacts on the fixed conductive element 150, such as... Figure 4 As shown. In the disconnected position, the electrical contacts on the movable conductive element 140 are separated from the electrical contacts on the fixed conductive element 150, as... Figure 5 As shown.
[0059] In some embodiments, the sliding panel 120 can be connected to the base 110 via a snap-fit 1210, such as... Figure 6 As shown. In other embodiments, the sliding panel 120 may be connected to the base 110 via any other suitable movable connection structure, all of which fall within the scope of this disclosure.
[0060] like Figure 1 and Figure 2 As shown, support 160 is used to support actuator 130. Actuator 130 may be coupled to support 160 and is rotatable relative to support 160. In one embodiment, support 160 may be formed as a cap structure of base 110, which abuts against a switching assembly such as fixed conductor 150 in internal space 1110. It should be understood that support 160 may be any suitable structure for supporting actuator 130, and the embodiments of this disclosure are not limited thereto.
[0061] like Figure 2 As shown, a toggle member 1220 is provided on the side of the sliding panel 120 facing the base 110. The toggle member 1220 is used to cooperate with the actuator 130 to drive the actuator 130 to rotate during the sliding of the sliding panel 120 in a predetermined direction X. During rotation, the actuator 130 can drive the movable conductive member 140 to connect and disconnect from the fixed conductive member 150.
[0062] like Figure 4 As shown, when the sliding panel 120 is on the left side relative to the base 110, the movable conductive member 140 is connected to the fixed conductive member 150. Figure 5 As shown, when the sliding panel 120 is on the right side relative to the base 110, the movable conductive member 140 is disconnected from the fixed conductive member 150. Therefore, when the sliding panel 120 is on the right side relative to the base 110, the movable conductive member 140 is disconnected from the fixed conductive member 150. Figure 4 and Figure 5 During the sliding motion of the sliding panel 120 from left to right in the predetermined direction X, the actuator 1220 can drive the actuator 130 to rotate counterclockwise. This counterclockwise rotation of the actuator 130 drives the movable conductive element 14 from an on position connected to the fixed conductive element 15 to a off position separated from the fixed conductive element 15. Conversely, when the sliding panel 120 slides relative to the base 110 along... Figure 4 and Figure 5During the process of sliding from right to left in the predetermined direction X, the toggle member 1220 can drive the actuator 130 to rotate clockwise. The clockwise rotation of the actuator 130 can drive the movable conductive member 14 to rotate from the disconnected position separated from the fixed conductive member 15 to the connected position connected to the fixed conductive member 15.
[0063] According to embodiments of this disclosure, when the sliding panel 120 slides along a predetermined direction X, the toggle member 1220 can drive the actuator 130 to rotate, and the actuator 130 can drive the movable conductive member 140 to rotate relative to the fixed conductive member 150 between an on position and an off position, thereby achieving the switching of the switch state. The slide switch 100 has a simple structure, fewer parts, and can achieve a smaller switch thickness, improving the user experience.
[0064] In one embodiment, such as Figure 2 , 4 As shown in Figures 5 and 6, the actuator 1220 may include a shift fork 1221. The shift fork 1221 has two arms disposed opposite to each other, which are capable of abutting different positions of the actuator 130 for driving the actuator 130 to rotate.
[0065] In one embodiment, such as Figure 7 and Figure 8 As shown, the actuator 130 may include a connecting portion 1310, a mating portion 1320, and an actuation hole 1330. The connecting portion 1310 is rotatably connected to the support member 160. The mating portions 1320 are disposed on opposite sides of the actuator 130 and abut against the inner wall of the shift fork 1221. The actuation hole 1330 surrounds a portion of the movable conductive member 140 to drive the movable conductive member 140 to switch positions when the actuator 130 rotates. With this arrangement, along the sliding panel 120... Figure 2 , 4 During the sliding process in the predetermined direction X shown in Figure 5, the inner wall of the shift fork 1221 can apply a force to the mating portion 1320 of the actuator 130, causing the actuator 130 to rotate relative to the support member 160 around the connecting portion 1310. During the rotation of the actuator 130, the actuation hole 1330 of the actuator 130 can drive the portion of the movable conductive member 140 located within the actuation hole 1330, causing the movable conductive member 140 to switch between an on position and an off position relative to the fixed conductive member 150.
[0066] In one embodiment, such as Figure 7 and Figure 8As shown, the outer surface of the mating part 1320 is arc-shaped. The arc-shaped mating part 1320 can stably and reliably mate with the inner wall of the shift fork 1221, realizing the smooth rotation of the actuator 130. It should be understood that the outer surface of the mating part 1320 can have any suitable shape, and the embodiments of this disclosure are not limited in this regard.
[0067] In one embodiment, such as Figure 7 and Figure 8 As shown, the actuation hole 1330 is Ω-shaped. The Ω-shaped actuation hole 1330 can reliably drive the movable conductive element 140 to rotate relative to the fixed conductive element 150 between the on and off positions.
[0068] In one embodiment, such as Figure 7 and Figure 8 As shown, the connecting portion 1310 includes a pair of connecting pins disposed on opposite sides of the actuator 130. Correspondingly, the support member 160 is provided with a pair of connecting holes 1610, such as... Figure 1 As shown. The paired connecting pins can be inserted into the corresponding connecting holes 1610 in the paired connecting holes 1610 respectively, and the paired connecting pins are rotatably connected to the corresponding connecting holes 1610.
[0069] In one embodiment, such as Figure 1 and Figure 3 As shown, the slide switch 100 may further include a spring 170, which is disposed between the actuator 130 and the movable conductive element 140. The actuator 130 can drive the movable conductive element 140 to rotate via the spring 170.
[0070] In one embodiment, such as Figure 9 and Figure 10 As shown, the movable conductive element 140 may include a coupling portion 1410 and an electrical connection portion 1420. The coupling portion 1410 is inserted into the actuation hole 1330 to be driven by the actuation hole 1330 of the actuator 130. The electrical connection portion 1420 is located outside the actuation hole 1330 and can be connected and disconnected from the fixed conductive element 150. During the rotation of the actuator 130, the actuation hole 1330 of the actuator 130 can drive the coupling portion 1410 of the movable conductive element 140, causing the movable conductive element 140 to rotate relative to the fixed conductive element 150, thereby switching the electrical connection portion 1420 and the fixed conductive element 150 between an on position and an off position.
[0071] It should be understood that the active conductive element 140 may include a silver bridge or any suitable conductive element type, and the embodiments of this disclosure are not limited thereto. Furthermore, the active conductive element 140 may have any suitable arrangement. As an example, such as Figures 1 to 5As shown, the movable conductive element 140 can be arranged generally around a vertical direction and is capable of rotating within a certain range relative to the vertical direction to switch between an on and off position with the fixed conductive element 150. As another example, the movable conductive element 140 can be arranged generally around a horizontal direction and is capable of rotating within a certain range relative to the horizontal direction. As other examples, the movable conductive element 140 can be arranged generally around other directions, and the embodiments of this disclosure are not limited thereto.
[0072] Alternatively, in some embodiments, the actuator 1220 may include a pair of contact heads (not shown) disposed opposite to each other. Correspondingly, the actuator 130 includes a connecting portion 1310, a mating portion 1320, and an actuation hole 1330. The connecting portion 1310 is rotatably connected to the support 160. The mating portions 1320 are disposed on opposite sides of the actuator 130 and abut against the pair of contact heads. The actuation hole 1330 surrounds a portion of the movable conductor 140 to drive the movable conductor 140 to switch positions when the actuator 130 rotates. With this arrangement, as the sliding panel 120 slides in a predetermined direction X, the pair of contact heads can apply a force to the mating portion 1320 of the actuator 130, causing the actuator 130 to rotate relative to the support 160 about the connecting portion 1310. During the rotation of the actuator 130, the actuation hole 1330 of the actuator 130 can drive the portion of the movable conductive member 140 located within the actuation hole 1330, so that the movable conductive member 140 switches between the on and off positions relative to the fixed conductive member 150.
[0073] Next, we will combine Figures 11 to 18 To describe another embodiment of the slide switch 100. Figures 11 to 18 The structure of the slide switch 100 shown is similar to Figures 1 to 10 The slide switch 100 shown has a similar structure. The differences between the two will be mainly described below, while the identical parts will not be repeated.
[0074] like Figures 11 to 13 As shown, the slide switch 100 generally includes a base 110, a sliding panel 120, an actuator 130, a movable conductive element 140, a fixed conductive element 150, and a support 160. A toggle member 1220 is provided on the side of the sliding panel 120 facing the base 110. The toggle member 1220 cooperates with the actuator 130 provided on the support 160 to drive the actuator 130 to rotate as the sliding panel 120 slides in a predetermined direction X. During rotation, the actuator 130 can drive the movable conductive element 140 to connect and disconnect from the fixed conductive element 150.
[0075] like Figure 14As shown, when the sliding panel 120 is on the right side relative to the base 110, the movable conductive member 140 is connected to the fixed conductive member 150. Figure 15 As shown, when the sliding panel 120 is on the left side relative to the base 110, the movable conductive member 140 is disconnected from the fixed conductive member 150. Therefore, when the sliding panel 120 is on the left side relative to the base 110, the movable conductive member 140 is disconnected from the fixed conductive member 150. Figure 14 and Figure 15 During the sliding motion of the sliding panel 120 from right to left in the predetermined direction X, the actuator 1220 can drive the actuator 130 to rotate counterclockwise. This counterclockwise rotation of the actuator 130 drives the movable conductive element 14 from an on position connected to the fixed conductive element 15 to a off position separated from the fixed conductive element 15. Conversely, as the sliding panel 120 slides relative to the base 110 along... Figure 14 and Figure 15 During the process of sliding from left to right in the predetermined direction X, the toggle member 1220 can drive the actuator 130 to rotate clockwise. The clockwise rotation of the actuator 130 can drive the movable conductive member 14 to rotate from the disconnected position separated from the fixed conductive member 15 to the connected position connected to the fixed conductive member 15.
[0076] In one embodiment, such as Figure 16 As shown, the actuator 1220 includes a groove 1222 for engaging with the actuator 130 to drive the actuator 130 to rotate.
[0077] In one embodiment, such as Figure 17 and 18 As shown, the actuator 130 may include a connecting portion 1310, a connecting shaft 1340, and an actuation hole 1330. The connecting portion 1310 is rotatably connected to the support member 160. The connecting shaft 1340 is at least partially disposed in the groove 1222 and is movable with and rotatable relative to the groove 1222 when the sliding panel 120 slides. The actuation hole 1330 surrounds a portion of the movable conductor 140 to drive the movable conductor 140 to switch positions when the actuator 130 rotates. With this arrangement, as the sliding panel 120 slides along... Figure 12 , 14 During the sliding process in the predetermined direction X shown in Figure 15, the groove 1222 of the actuating member 1220 can apply a force to the connecting shaft 1340 of the actuator 130, causing the actuator 130 to rotate relative to the support member 160 around the connecting portion 1310. During the rotation of the actuator 130, the actuation hole 1330 of the actuator 130 can drive the portion of the movable conductive member 140 located within the actuation hole 1330, causing the movable conductive member 140 to switch between an on position and an off position relative to the fixed conductive member 150.
[0078] Similarly, the active conductive element 140 can have any suitable arrangement. As an example, such as... Figures 12 to 15 As shown, the movable conductive element 140 can be arranged generally around a vertical direction and is capable of rotating within a certain range relative to the vertical direction to switch between an on and off position with the fixed conductive element 150. As another example, the movable conductive element 140 can be arranged generally around a horizontal direction and is capable of rotating within a certain range relative to the horizontal direction. As other examples, the movable conductive element 140 can be arranged generally around other directions, and the embodiments of this disclosure are not limited thereto.
[0079] In one embodiment, such as Figure 17 and 18 As shown, the connecting shaft 1340 is cylindrical. The cylindrical connecting shaft 1340 can stably and reliably cooperate with the groove 1222, realizing the smooth rotation of the actuator 130. It should be understood that the connecting shaft 1340 can have any suitable shape, and the embodiments of this disclosure are not limited thereto.
[0080] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, and are not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or technical improvements to the embodiments in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.
Claims
1. A slide switch (100), characterized in that, include: The base (110) has an internal space (1110). A movable conductive element (140) and a fixed conductive element (150) are disposed in the internal space (1110), wherein the movable conductive element (140) can be connected to and disconnected from the fixed conductive element (150); A support member (160) is disposed in the internal space (1110) and coupled to the base (110). A sliding panel (120) at least partially covers the base (110), the sliding panel (120) being slidable relative to the base (110) in a predetermined direction, and a toggle element (1220) is provided on the side of the sliding panel (120) facing the base (110); and An actuator (130) is coupled to the support (160) and is rotatable relative to the support (160). The actuator (130) is rotatable under the drive of the toggle (1220) and drives the movable conductive element (140) to connect and disconnect from the fixed conductive element (150).
2. The slide switch (100) according to claim 1, characterized in that The actuating element (1220) includes a fork (1221), and The actuator (130) includes: The connecting part (1310) is rotatably connected to the support member (160). The mating parts (1320) are disposed on opposite sides of the actuator (130) and abut against the inner wall of the shift fork (1221); and An actuation hole (1330) surrounds a portion of the active conductive element (140).
3. The slide switch (100) according to claim 2, characterized in that The outer surface of the mating part (1320) is arc-shaped.
4. The slide switch (100) of claim 1, wherein The actuating element (1220) includes a pair of contact heads arranged opposite each other, and The actuator (130) includes: The connecting part (1310) is rotatably connected to the support member (160). The mating parts (1320) are disposed on opposite sides of the actuator (130) and abut against the paired contact heads; and An actuation hole (1330) surrounds a portion of the active conductive element (140).
5. The slide switch (100) of claim 1, wherein The actuating element (1220) includes a groove (1222), and The actuator (130) includes: The connecting part (1310) is rotatably connected to the support member (160). A connecting shaft (1340) is at least partially disposed in the groove (1222) and is movable with the groove (1222) and rotatable relative to the groove (1222) when the sliding panel (120) slides; and An actuation hole (1330) surrounds a portion of the movable conductive element (140) to drive the movable conductive element (140) to rotate.
6. The slide switch (100) according to claim 5, characterized in that The connecting shaft (1340) is cylindrical.
7. The slide switch (100) according to any one of claims 2 to 6, characterized in that, The connecting part (1310) includes a pair of connecting pins disposed on opposite sides of the actuator (130), and the support (160) is provided with a pair of connecting holes (1610), and the pair of connecting pins are respectively rotatably connected to the corresponding connecting holes (1610) in the pair of connecting holes (1610).
8. The slide switch (100) according to any one of claims 2 to 6, characterized in that The actuation hole (1330) is Ω-shaped.
9. The slide switch (100) according to any one of claims 2 to 6, characterized in that The active conductive element (140) includes: The coupling part (1410) is inserted into the actuation hole (1330) to be driven by the actuator (130); and The electrical connection part (1420) can be connected to and disconnected from the fixed conductive member (150).
10. The slide switch (100) according to any one of claims 1 to 6, characterized in that The support member (160) abuts against the fixed conductive member (150).