Abstract: A vibrating element includes a vibrating arm for detection. An electrode is provided on the vibrating arm for detection. A wiring line is connected to the electrode. The wiring line is arranged on a piezoelectric body of a base portion. At least a part of the wiring line is an electrode for adjustment. The electrode for adjustment generates an electrical signal with an opposite phase to an output signal of leak vibration of the vibrating arm for detection.

Abstract: A method of detecting a valve position includes imparting a vibration-inducing energy to a valve, detecting vibration of the valve and producing a sensor signal corresponding to the vibration of the valve, processing the sensor signal determining a measured response of the valve, and comparing the measured response to one or more predetermined characteristic frequencies for selected valve positions to determine the position of the valve.

Abstract: A tool for inspecting the integrity of fasteners in their environment of use and methods of performing such inspections are disclosed and claimed. The tool includes a probe that matches the internal socket by which the fastener is coupled to the workpiece. The probe contains ultrasonic transducers on flat portions corresponding to flat portions of the socket. The transducers induce angled ultrasonic beams into the fastener to detect flaws therein. The beams are angled so they can be directed to the areas of interest at the head to shank region of the fastener. The presence of a defect such as a crack is determined based on the reply/echoes of the imparted ultrasonic beams.

Abstract: An apparatus for monitoring a machine element (02), which moves with respect to a base and rotates about its own axis, having a sensor (06) and evaluation electronics (09). According to the invention, the sensor (06) and the evaluation electronics (09) and also a power supply unit and a transmitter unit (12) are arranged on the moving machine element (02).

Abstract: In operating a vibration testing system, a table is provided with a plurality of distinct regions, and each of the plurality of distinct regions is provided with at least one vibrator of the plurality of vibrators and at least one accelerometer of the plurality of accelerometers. Target vibration strengths are set for each region, and the vibrators are operated. Local vibration strength is measured at each distinct region with the corresponding accelerometer(s) of the plurality of accelerometers. A signal corresponding to each of the measured local vibration strengths is provided to a controller. An individual vibrator control signal is calculated for each distinct region based on the corresponding measured local vibration strength and the corresponding target vibration strength. The individual control signals are provided from the controller to control the vibrator(s) of each distinct region to achieve the target vibration strength at each of the distinct table regions.

Abstract: The invention relates to a method of condition-monitoring hydraulic accumulators. The gas content of the accumulators is monitored by the gas volume being calculated on the basis of the weight and working pressure of the accumulators. The working pressure of the accumulators and a relevant operational history are recorded with an electronic logging system which stores data for use in connection with condition-based maintenance of the accumulators.

Abstract: [Problem] To provide a pressure sensor element which is not greatly decreased in the resistance due to temperature increase. [Solution] A pressure sensor element which is provided with a piezoelectric element and a high-resistance material film. The piezoelectric element has an upper surface and a lower surface. The high-resistance material film at least partially covers the upper surface and/or the lower surface. The electrical resistance of the high-resistance material film is higher than the electrical resistance of the piezoelectric element.

Abstract: The invention relates to a clamp element for a temperature-independent turgor pressure measurement device for measuring the turgor pressure in a plant sample.

Abstract: A fluid-pressure indicator is provided and may include a housing having a first region and a second region. A pressure-responsive member may be disposed in the first region and may be movable between an expanded state and a compressed state. An indicator disk may be viewable through the pressure-responsive member when the pressure-responsive member is in the compressed state and may be obscured from view through the pressure-responsive member when the pressure-responsive member is in the expanded state. A diaphragm may be movable from a relaxed state to a deflected state in response to pressure within the second region exceeding a threshold pressure and may prevent fluid communication between the first region and the second region. The diaphragm may additionally cause the pressure-responsive member to move from the expanded state to the compressed state when the pressure exceeds the threshold pressure.

Abstract: A method for measuring fatigue on a metal or metal alloy structural part, which includes mounting a fatigue gage on a surface of the part, the fatigue gage being the same material as the part, applying electrical power on the gage and measuring the resistance of the fatigue gage, inspecting the fatigue gage at various time intervals by applying electric power on the gage and measuring the resistance of the fatigue gage; and analyzing the change of resistance of the fatigue gage at the various time intervals to determine fatigue on the part.

Abstract: The invention relates to a device (1) for converting a force or a pressure into an electrical signal, the device (1) having a first deformation element (10), in particular a first membrane (12), by means of which the force or the pressure can be applied to the device (1), and a second deformation element (20), in particular a second membrane (22), by means of the deflection of which the force or the pressure can be converted into an electrical signal, wherein the first deformation element (10) has a first force transmitting means (14) and the second deformation element (20) has a second force transmitting means (24) for transmitting the force from the first deformation element (10) to the second deformation element (20).

Abstract: In order to test battery plate packs (12, 13), the battery plate packs are transported between conveyor belts (5, 6) while compressed to a specified thickness, and the force required for the compression is detected by measuring cells (14) while the battery plate packs are being transported, which measuring cells are associated with a pressing plate (11) associated with one of the conveyor belts (5). If the force deviates from a specified value, the battery plate pack is evaluated as faulty and is ejected.

Abstract: An apparatus for measuring characteristics of a specimen. The apparatus can accurately measure, for example, but not limited to, peak, evolution, and residual values of the undrained shear strength, yield, and viscous and plastic flow (including hardening and softening) characteristics of cohesive sediments at various pre-set and variable values of the rotational velocity of the vane sensor.

Abstract: A vibrating flow meter (205) is provided. The vibrating flow meter (205) includes a single curved flow conduit (210), a conduit temperature sensor T1 (291) affixed to the single curved flow conduit (210), a balance structure (208) affixed to and opposing the single curved flow conduit (210), and a balance temperature sensor T2 (292) affixed to the balance structure (208). A conduit temperature sensor resistance of the conduit temperature sensor T1 (291) and a balance structure temperature sensor resistance of the balance temperature sensor T2 (meter2) are selected to form a predetermined resistance ratio.

Abstract: A magnetic flowmeter sensor includes two sensor faces, a conduit, a liner lining the conduit, and mechanical fasteners. The sensor faces are on each end of the sensor for connecting the sensor to the process fluid flow. The conduit connects the two sensor faces for conducting the process fluid flow through the sensor. The liner extends across at least a portion of each sensor face at each end of the flowmeter sensor to form a planar sealing surface on each end of the sensor. The liner includes holes through which the mechanical fasteners pass to mechanically attach the liner to the flowmeter sensor to prevent shifting of the liner. The mechanical fasteners do not extend beyond the planar sealing surfaces.

Abstract: The invention relates to a device for the contactless flow measurement of fluids in flexible tubes.

Abstract: A method and system for correcting for the inertial error of a transducer as a function of frequency by applying a delay to a leading signal of the transducer to provide phase compensation.

Abstract: A universal force measurement apparatus has a top plate onto which a first test object is mounted. The top plate is connected to a middle plate via a sliding member, for example a linear ball slide having a one dimensional degree of freedom. A first load cell is connected to the top plate and the middle plate, hereby preventing them from moving relative to one another in the direction of the degree of freedom of the sliding member. The mid plate is then connected to a second load cell which registers forces in the vertical direction. The second load cell is also connected to a base plate which is placed on a rigid surface. Forces from another object or media acting on the first test object will now be registered by the first and second load cells in the horizontal and vertical directions.

Abstract: A torque-measuring device with an acceleration transducer yields more informative measured results. The acceleration transmitter may be inseparably fastened to a carrier which in turn is inseparably joined to a torsion member. The torsion member and the carrier may be formed in one piece with one another. The torsion member may be a shaft and the carrier may be a flange.

Abstract: A torque angle sensor according to an exemplary embodiment of the present disclosure includes a torque sensor unit and an angle sensor unit at a housing centrally arranged with a rotation shaft, the torque sensor unit including a stator installed inside the housing, a torque magnet rotatably installed at a center of the stator in conjunction with rotary operation of the rotation shaft, a collector installed at the housing to transmit a magnetic field of the torque magnet, a magnetic device module formed with an individually operating first magnetic device and a second magnetic device in one package to detect the magnetic field transmitted by the collector, and a PCB (Printed Circuit Board) mounted with the magnetic device module, wherein the PCB is arranged to a direction perpendicular to an axial direction of the rotation shaft and installed at a distal end with the magnetic device module.

Abstract: A mechanical pipette comprising: a. a manually drivable mechanical unit for pipetting liquids, b. at least one sensor for detecting operating and/or performance data, c. an operating unit, and d. a display unit, e. wherein a device module comprises the mechanical unit for pipetting, the sensor and operating unit, f. a display module physically separate from the device module completely or partially comprises the display unit, and g. means for wireless communication between the device module and the display module.

Abstract: A water sampling assembly which utilizes a clear container. The clear container is connected to a generally circular lip portion via a shoulder portion. The lip portion has an open distal edge and being threaded on an exterior surface. The diameter of the main body is than the diameter of the lip portion. Contained with the main body is a spherical stopper mechanism which rises as water enters the main body until such time that the spherical stopper seals the shoulder/lip portion so that further water is discouraged from entering the main body of the clear container. Ideally a cap mechanism is provided that is securable to the lip portion via threads so that the entire assembly, with the collected water sample, is easily transported and stored.

Abstract: The automatic analysis system is equipped with a mechanism to transport a sample container having a stopper body, the system comprising: a sample dispensing mechanism that dispenses a predetermined amount of sample accommodated in the sample container; a stopper body removing/mounting mechanism that removes the stopper body from the sample container; a control unit that stores therein association between the sample container and the stopper body of the sample container; the stopper body removing/mounting mechanism that in accordance with the association stored into the control unit, mounts the stopper body back on the sample container containing the sample dispensed by the sample dispensing mechanism; and a stopper body transport mechanism that transports the sample that the stopper body removing/mounting mechanism has removed at a stopper removing position to a stopper mounting position.

Abstract: A system and method for inspection and quality control for goods determines whether the goods comply with desired configurations. In an embodiment, an inspection and quality control system for a good includes a template. The template includes a template body and a positive offset. The positive offset includes a maximum length of the good and a maximum width of the good. The positive offset is configured for the good to be disposed in the positive offset when the good is less than the maximum length and the maximum width. The system also includes a negative inset. The negative inset includes a minimum length for the good and a minimum width for the good. The negative inset is configured to be disposed in the positive offset over the good disposed in the positive offset.

Abstract: The invention relates to a sensor apparatus for detecting an object comprising a sensor head having a plurality of receiving spaces for individual sensor devices and a driving mechanism for providing a relative movement of the object relative to the sensor head in an advance direction during a detecting operation. The receiving spaces are arranged in a plurality of rows and columns, such that an array of receiving spaces with a rectangular pattern of the receiving spaces is formed, and the array of receiving spaces is tilted with regard to the advance direction such that the rows extend in a transverse direction relative to the advance direction and the receiving spaces of a successive row of the rectangular pattern are offset with regard to the receiving spaces of a preceding row of the rectangular pattern in a direction perpendicular to the advance direction.

Abstract: A non-destructive inspection (NDI) device is described that includes a robotic arm, a storage device proximate the robotic arm, and a plurality of NDI probe assemblies disposed within the storage device. Each NDI probe assembly includes at least one transducer operable for NDI of a part and a tool operable as a mechanical interface between the robotic arm and the corresponding NDI probe assembly. Each NDI probe assembly is configured for a specific NDI task, for NDI of a part, and the robotic arm is operable for selectively engaging the tools and movement of the probe assemblies for the NDI of at least a portion of a part.

Abstract: Embodiments of control moment gyroscopes (CMGs) are provided, as are embodiments of a method for fabricating CMGs. In one embodiment, a CMG includes a stator housing, an inner gimbal assembly (IGA), and a torque motor coupled to the stator housing and configured to rotate the IGA housing about a gimbal axis to selectively generate a desired output torque during operation of the CMG. The IGA includes, in turn, an IGA housing rotatably coupled to the stator housing, a CMG rotor rotatably mounted within the IGA housing, and a spin motor coupled to the IGA housing and configured to rotate the CMG rotor about a spin axis. The CMG rotor includes a rotor shaft, a rotor rim circumscribing the rotor shaft, and a plurality of radially-compliant spokes extending between the rotor shaft and the rotor rim.

Abstract: A power take off coupling for connecting an engine (20, 21) to a site accessory (16, 14, 17), comprises a resilient power transmission component (3) within the coupling; a latching device (8, 46, 9) to mechanically latch the accessory to the engine (20, 21), with a manually operable release handle (13) to effect unlatching. A power output shaft of the engine (20, 21) carries one half (5) of a dog clutch with the other half (7) carried by the accessory (16, 14, 17).

Abstract: A roller maintaining chain includes an elongate strip having multiple holes separated by separation blocks. Each hole has a hole face perpendicular to the elongate strip. Each separation block has a top separation block and a bottom separation block. Each of the top and bottom separation blocks has an accommodating surface which has a flat surface and an inclined stop surface. A part of each accommodating surface is perpendicular to planes on the axial direction of the elongate strip. The flat surfaces of the top and bottom separation blocks are smoothly connected to each other. The inclined stop surfaces are inclined toward the top direction of the holes to maintain the rollers in the holes. The method for making the roller maintaining chain uses a left mold and a right mold, the two molds are split inclinedly and laterally to obtain the roller maintaining chain.

Abstract: A three shaft adjustment mechanism including a drive part which can be connected to a drive shaft in a rotationally fixed manner, a driven part which can be connected to a driven shaft, and an actuator which can be connected to an adjustment shaft as a mechanism part. A mechanical stop for defining an adjustment angle between the drive shaft and driven shaft is provided between two of the three shafts. According to the invention, the mechanism part not involved in the stop has a mass distribution or form which is such that a quotient from its mass moment of inertia J and its partial radius r is smaller than 0.4 kg×mm. The invention also relates to a method for producing a shaft generator having this type of mechanism.

Abstract: A swing leaf actuator has an output shaft and a drive mechanism with at least one drive portion. The drive mechanism is operatively connected to the output shaft to be driven in at least one direction. The output shaft has a connecting portion that is connected to a swing leaf. The output shaft is translationally movable along its axis of rotation. A method for mounting the swing leaf actuator includes inserting the drive mechanism into a housing of the swing leaf actuator. Components disposed on the output shaft in a torque-proof manner are aligned such that the output shaft is pushed into the components. The output shaft is inserted into the components to be torque-proof with respect to each other. A mounting device includes elements configured to align the output shaft with regard to the components disposed on the output shaft in a torque-proof manner.

Abstract: A gear change actuator (40) including first and second rotary members (54) each rotatable in opposite first and second directions, the rotary members (54) engaged with a select unit (60), which is engaged with an output member (162) having an output axis. The select unit (60) has opposite first and second input motions, and opposite third and fourth input motions, induced by simultaneous rotation of the first and second rotary members (54. The select unit (60) has opposite first and second output movements that are transmutations of the select unit (60) first and second input motions, respectively. The select unit (60) also has opposite third and fourth output movements that are transmutations of the select unit third and fourth input motions, respectively. The output member (162) has movements, respectively imparted by the select unit (60) output movements, that are one of rotationally about the output axis and axially along the output axis.

Abstract: An actuator comprising a housing for a motor assembly including a rotatable motor pinion and a stator, a gear assembly including rotatable first, second, and third gears, and a sensor assembly. The motor pinion and the second gear are both mounted to the same shaft in the housing. The first gear s coupled to both the motor pinion and the second gear and the third gear is coupled to the second gear and defines an aperture adapted to receive the rotatable shaft of a vehicle part. In one embodiment, the third gear is a sector gear and a pair of washers and a bushing mount the sector gear for rotation in the housing.

Abstract: An actuator for a vehicle seat has a housing, a motor with a motor shaft which has at least a first direction of rotation, a gear mechanism which is connected at the output end to the motor by the motor shaft, an actuator output drive which is connected at the output end to the gear mechanism, and a control unit. The actuator output drive has an output element which can be moved in the direction of an end position from a starting position by rotation of the motor shaft in the first direction of rotation. The direction of rotation of the motor shaft can be reversed from the first direction of rotation to an opposite second direction of rotation by the control unit, with the result that the output element can be moved in the direction of the starting position from the end position.

Abstract: A micrometer drive configuration for a handheld micrometer comprises: a frame; a spindle; a linear displacement sensor that senses a displacement of the spindle; a threaded spindle drive having a relatively coarse thread pitch, wherein the threaded spindle drive is attached to a spindle drive gear; a planetary drive gear that mates to the spindle drive gear; a ring gear surrounding and mating to the planetary drive gear; and a thimble generally surrounding the spindle drive gear, the planetary drive gear, and the ring gear. The thimble is coupled to drive the spindle drive gear through the planetary drive gear, and the planetary drive gear is sized and mounted such that the spindle drive gear turns faster than the thimble.

Abstract: A transmission system has a clutch module which has a single input and two outputs, where clutch devices are located between the outputs and the input. The transmission system further includes a transmission module which has two inputs and a single output, the transmission module comprising at least two sub-transmissions where at least a single speed transforming gear or a single transmission clutch is located between an input and an output of each sub-transmission. The two outputs of the clutch module are connected here to both inputs of the transmission module.

Abstract: An electric drill forward and reverse rotation automatic switching apparatus includes: a gearbox, a first-stage gear, a first-stage gear shaft, a second-stage gear, a second-stage gear shaft, a transition gear, a transition shaft, a third-stage gear, and an output shaft. The first-stage gear is fixed on the first-stage gear shaft. The second-stage gear is fixed on the second-stage gear shaft. The first-stage and second-stage gear shafts are disposed on the gearbox housing. The transition gear is disposed on the transition shaft which is fixed on the gearbox housing. The output shaft is disposed on the gearbox housing. The third-stage gear is sleeved on the output shaft and disposed on the gearbox housing. The first-stage gear shaft engages with the second-stage gear and the transition gear simultaneously. The transition gear engages with the third-stage gear. The second-stage gear shaft and the output shaft are on the same axis.

Abstract: Clutch arrangement for a motor vehicle gearbox. The clutch arrangement has a housing and a clutch. The clutch is arranged in the housing and is arranged concentrically with a shaft, which extends in a longitudinal axis. The shaft is supported on the housing by means of a first shaft bearing adjacent to the clutch and by means of a second shaft bearing spaced at an axial distance from the clutch. The clutch arrangement has an actuator arrangement for actuating the clutch. The actuator arrangement is designed to exert an actuating force on the clutch in a first longitudinal direction. The actuator arrangement here being axially braced on the housing and a force flux being introduced into the shaft as a result of the actuating force. The first shaft bearing is arranged so that the force flux introduced into the shaft can be axially braced on the housing by way of the first shaft bearing.

Abstract: A power take-off unit (“PTO”) may include a damper to reduce noise while the PTO is operating at low torque or at low RPM. The damper may also be located in the transmission before the PTO driver gear. A method may be used to systematically measure the frequency and/or amplitude of the vibrations that cause noise and to adjust the damping constant of a damper to reduce the noise.

Abstract: A method of operating a park lock mechanism in a vehicle includes determining a force acting on a vehicle park lock mechanism when the vehicle is in park, and providing an offsetting force to counteract the force on the park lock mechanism before the vehicle is shifted out of park. In doing so, harshness and noise that may be associated with shifting a vehicle out of park, especially when the vehicle is parked on an incline, can be reduced or eliminated.

Abstract: A shaft transmission including at least one annulus having an inner gearing, a flexible spur gear arranged within the annulus and having an outer gearing, and a shaft generator for deflecting the spur gear in radial direction arranged within the spur gear, a torque-transmitting connection being created between the annulus and the spur gear at two opposing points of the spur gear, the shaft generator having a ring with an elliptical outer periphery and an elliptically shaped rolling bearing applied to the outer periphery, the rolling bearing having an outer ring (01), an inner ring (02) and two rows of rolling elements (03) arranged between the outer ring (01) and the inner ring (02).

Abstract: At least one implementation of a gear shift control system includes an output mechanism coupled to a vehicle transmission, a first drive member coupled to the output mechanism to drive the output mechanism to shift between gears of the transmission and a drivetrain. The drivetrain may include a first input driven by the drive member during a first mode of operation of the gear shift control system and an output coupled to both the first input and the output mechanism to drive the output mechanism as commanded by the drive member. During a second mode of operation of the gear shift control system a second input is coupled to the output. A second drive member is coupled to the second input to drive the output mechanism through the second input and the output during the second mode of operation to cause a transmission gear shift.

Abstract: The invention relates to an industrial robot which comprises a robot arm having multiple connecting links that are connected by means of joints, in which at least two adjacent connecting links, respectively, are connected by means of a joint, which is designed as a swivel joint, can be adjusted by means of a motor and is defined in its maximum rotatable adjustment angle by means of a mechanical stop device, which connecting links comprise a stop projection which is connected to one of the two adjacent connecting links, an engaging piece which is connected to the other one of the two adjacent connecting links and a drag stop which can be adjusted by the engaging piece, which drag stop comprises a drag stop body and an annular body which is connected with the drag stop body which is pivoted in an annular groove in an inner wall of a housing component of one of the two adjacent connecting links.

Abstract: A tension stiffened and tendon actuated manipulator is provided performing robotic-like movements when acquiring a payload. The manipulator design can be adapted for use in-space, lunar or other planetary installations as it is readily configurable for acquiring and precisely manipulating a payload in both a zero-g environment and in an environment with a gravity field. The manipulator includes a plurality of link arms, a hinge connecting adjacent link arms together to allow the adjacent link arms to rotate relative to each other and a cable actuation and tensioning system provided between adjacent link arms. The cable actuation and tensioning system includes a spreader arm and a plurality of driven and non-driven elements attached to the link arms and the spreader arm. At least one cable is routed around the driven and non-driven elements for actuating the hinge.

Abstract: The invention relates to a robot arm of an industrial robot. The robot arm includes a flange provided to secure an end effector and several sequentially-positioned members connected by means of links, of which one of the members is mounted immediately before the flange, and the flange is mounted to rotate with respect to an axis relative to this member. To adjust the flange with respect to the member mounted immediately before the flange, the robot arm comprises an adjustment device that includes a base carrier is detachably attachable to the flange particularly by means of screws, with an adjustment means disposed on the base carrier that interacts with a counter-adjustment means disposed on the member mounted immediately before the flange.

Abstract: An industrial robot has a robot arm with a linkage and an arm extension that is pivotable at the linkage. The arm extension has an arm enclosure that is pivotable at the linkage. The arm extension has a primary hand enclosure that can rotate, means of a first actuator that has a first drive shaft, at the arm enclosure around an arm axle extending in the longitudinal dimension of the arm extension. The arm extension has a first-hand element that is adjustable around a first-hand axle relative to the primary hand enclosure by means of a second actuator that has a second drive shaft, and a second-hand element that is adjustable around a second-hand axle relative to the first-hand element by means of a third actuator that has a third drive shaft. The first, second and third actuators are arranged in the primary hand enclosure with their respective drive shafts extending essentially parallel to and at a distance from the arm axle.

Abstract: A method for constraining an upper portion of a steering column assembly of a vehicle to translate along a preferred path comprises providing a telescoping steering column assembly with an upper column positioned for use by a vehicle operator and with a power assist module positioned remotely from the vehicle operator. A position lock bracket is disposed about the upper column, and the position lock bracket is conditionally fixed to the vehicle. A guide bracket is fixed to the vehicle and configured so as to constrain the upper column to translate along the preferred path. A steering column assembly comprises an upper column and a power assist module. A position lock bracket is disposed about the upper column and conditionally fixed to the vehicle. A guide bracket is fixed to the vehicle and configured so as to constrain the upper column to translate along a preferred path.

Abstract: A steering system includes a steering column which supports rotatably a steering shaft to which a steering wheel is connected and a pair of support mechanisms which support the steering column so as to tilt relative to a vehicle body. Each of the support mechanisms includes a support bracket having a column-side fastened portion and a body-side fastened portion, a fulcrum bolt, and a bush. A fastening hole through which a fastening bolt is inserted to fasten the support bracket to a fixed member is formed in the body-side fastened portion. Each of the support mechanisms includes an elastic member which can be compressed in an axial direction of the fulcrum bolt, and the support bracket is configured to oscillate relative to the steering column by the elastic member being compressed.

Abstract: A bicycle control device is provided with a mounting bracket, a first lever and an adjustment arrangement. The first lever is pivotally arranged relative to the mounting bracket about a first-axis and about a second axis being non-parallel to the first axis. The first lever is configured relative to the mounting bracket such that a free end of the first lever moves closer to the mounting bracket as the first lever pivots about the first axis from a rest position to an operated position. The adjustment arrangement adjusts the rest position of the first lever relative to the mounting bracket around the second operating axis.

Abstract: A pedal value sensor arrangement for a motor vehicle includes a pedal movable between an idle position and an end position, a bearing for the pedal, and a spring configured to apply a restoring force to the pedal towards the idle position. In an intermediate position between the idle position and the end position, the spring is configured to apply a restoring force to the pedal toward the idle position that is greater than before and/or after the intermediate position, wherein the greater restoring force of the spring is brought about by a contact of a first section of the spring with a second section of the spring.