Abstract: A cleaning device for a surface, such as a windshield of a vehicle, includes an active positioning system and a cleaning head. The active positioning system is configured to deploy from a storage position hidden from view within a covered storage space and to position the cleaning head upon the windshield. The active positioning system includes a first extension member and a second extension member that move relative to one another to position the cleaning head, and also move the cleaning head across the windshield along a path. The cleaning head can have a brush portion configured to agitate debris from the window, and a drying portion configured to dry the window after cleaning. The cleaning device can be controlled via a touch-screen display in the vehicle, enabling a user to direct that specific portions of the windshield be cleaned as desired.

Abstract: Devices, systems and methods for cleaning a surface of as elongated instrument held within a cavity. In particular embodiments of the device, a longitudinal wire member extends along an elongated instrument (e.g. a laparoscope) and a rotatable transverse member removes matter from a surface of the instrument (e.g. a lens).

Abstract: Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.

Abstract: Embodiments of the present invention are directed to providing an effective and reliable approach for cleaning an exposed surface of an imaging element (e.g., a lens) of apparatuses including but not limited to medical imaging instruments such as endoscopes and laparoscopes and the like. In the case of medical imaging instruments, cleaning apparatuses configured in accordance with embodiments the present invention can be cleaned while the distal end portion of the endoscope is in vivo. Such apparatuses have a cleaning member incorporated therein (e.g., a resilient polymeric wiper, a sponge, an absorbent pad or the like) that is used for cleaning the exposed surface of the imaging element. The apparatus is preferably adapted for being mounted on imaging apparatus but can also be entirely or partially integral with one or more components of the imaging apparatus or system of which it is a component.

Abstract: Provided are embodiments for a direct drive wiper system. The system includes a motor that is operably coupled to a wiper system to drive one or more wiper arms of the wiper system, and a gearbox, wherein an input to the gearbox is coupled to the motor and an output of the gearbox is coupled to the wiper assembly, wherein the gearbox is configured to convert an input from the motor to an output to drive the wiper system. The system also includes a brake and stopper mechanism that is coupled to the gearbox and the wiper system. Also provided are embodiments for a method for operating the direct drive wiper system.

Abstract: Disclosed is an optical window cleaning device, including: a cleaning brush; and a wiper arm. The wiper arm includes a first link, a torsion mechanism, a second link and a wiper arm drive system. A second end of the first link is hinged to a first end of the second link. The cleaning brush is hinged to a first end of the first link, a rotation trajectory of the cleaning brush and a rotation trajectory of a hinge joint between the second end of the first link and the first end of the second link are both located in a first plane. A rotation trajectory of the second link and the rotation trajectory of the hinge joint are located in the first plane. The torsion mechanism provides the first link and the second link with a force that rotates the first link relative to the second link.

Abstract: A wiper device includes a wiper arm and a drive section. The wiper arm has a base end portion supported by a support section provided at a vehicle, and is configured such that a wiping surface of the vehicle is wiped back and forth by a wiper blade coupled to a leading end portion of the wiper arm. The drive section is configured to displace at least a leading end portion side of the wiper arm in an up-and-down direction with respect to the wiping surface during back and forth movement of the wiper arm, irrespective of force the wiper blade receives from the wiping surface.

Abstract: A visibility enhancement system for a vehicle with heating conduit and a method of making a windshield wiper system where a wiper blade is configured to wipe windshield of the vehicle, a wiper blade assembly holds at least one end of the wiper blade, a motor is configured to move the wiper blade upon activation of the visibility enhancement system, and a heating conduit warms the surface of the windshield of the vehicle. The visibility enhancement system may include a wiper blade to wipe a side window of the vehicle, a pair of wiper blades to wipe a side rearview mirror. The heating conduit may comprise of any of the following: heating filaments that warms the wiper blade; heating filaments running within the windshield; an air vent that runs inside the wiper blade; and an air vent that runs parallel to the wiper blade.

Abstract: A windshield wiper system (3, 3?) for wiping a windshield (2) of a vehicle (1) includes a wiper (4) mounted on a movable support element, a guiding device for guiding the support element along a predefined trajectory and a motor mounted on the support element and arranged for providing traction power to move the support element along the predefined trajectory. The wiper system is arranged to move the wiper (4), relative to the windshield, with a translation movement between first and second positions, and with a rotation movement around a rotation axis perpendicular to the windshield between the second position and a third position.

Abstract: A cleaning device for a surface, such as a windshield of a vehicle, includes an active positioning system and a cleaning head. The active positioning system is configured to deploy from a storage position hidden from view within a covered storage space and to position the cleaning head upon the windshield. The active positioning system includes a first extension member and a second extension member that move relative to one another to position the cleaning head, and also move the cleaning head across the windshield along a path. The cleaning head can have a brush portion configured to agitate debris from the window, and a drying portion configured to dry the window after cleaning. The cleaning device can be controlled via a touch-screen display in the vehicle, enabling a user to direct that specific portions of the windshield be cleaned as desired.

Abstract: A reciprocating wiper system according to the present invention may include a guide rail; a carrier unit coupled to be slidable in the guide rail and installed to reciprocate in a longitudinal direction of the guide rail; a cam member installed to be rotatable on the carrier unit; a wiper arm coupled to the cam member to move integrally with the cam member and to which a blade is coupled; a first pressing member for aligning the wiper arm in a direction perpendicular to the guide rail by rotating the cam member while the carrier unit is moving in a forward direction along the guide rail; and a second pressing member for aligning the wiper arm in a direction parallel to the guide rail by rotating the cam member while the carrier unit is moving in a reverse direction along the guide rail.

Abstract: A power actuation system for a motor vehicle closure panel includes a motor configured to rotate an input gear member that is configured to rotate an output gear member. The output gear member being coupled with a lever that is coupled to the closure panel. A clutch assembly configured for movement between a lever driving position whereat the lever is caused to pivot in response to rotation of the input gear member and a lever releasing position whereat the lever can pivot independent of the input gear member. The clutch assembly being biased into the lever driving position and having at least one roller configured to move out of a detent of the clutch assembly to move the clutch assembly from the lever driving position to the lever releasing position in response to a force applied to the closure panel.

Abstract: A power actuation system for a motor vehicle closure panel includes a motor operable to pivot a driven gear. At least one pawl assembly is operably supported by the driven gear for movement between a lever driving position, whereat the pawl assembly is positioned to pivot a lever coupled to the door to pivot the door concurrently with movement of the driven gear, and a lever releasing position, whereat the pawl assembly is positioned to permit free pivotal movement of the lever and door relative to the driven gear. The pawl assembly includes a roller engaged with the lever for rolling movement therealong during movement of the pawl assembly between the lever driving position and the lever releasing position, which results in minimal static and kinetic friction, thereby lending to reliable, low effort movement of the pawl assembly between the lever driving position and the lever releasing position.

Abstract: A windshield wiper cleaning assembly for dislodging debris from a wiper blade includes a housing that is attachable to a windshield wiper arm on a vehicle. A plunger unit is movably integrated into the housing and the plunger unit is urged outwardly from the housing when the plunger unit is turned on. The plunger unit abuts the windshield when the plunger unit is turned on thereby facilitating the arm of the windshield wiper to be urged away from the windshield. Moreover, the plunger is biased to retract into the housing after the plunger unit is turned on thereby facilitating a wiper blade on the windshield wiper arm to strike the windshield. In this way debris can be dislodged from the wiper blade.

Abstract: A cab of a work vehicle includes a front windshield that extends in a vehicle width direction; front lateral windshields that extends diagonally rearward and is connected to both sides of the front windshield in the vehicle width direction via ridgelines, and a rear-end edge of each front lateral windshield extending in a vertical direction being gradually separated from the ridgeline of each front lateral windshield while extending downward; a front lateral wiper that is disposed so as to be rotatable around an upper axis that is disposed above each front lateral windshield and so as to be rotatable along each front lateral windshield; an upper drive device that is configured to reciprocally rotate the front lateral wiper around the upper axis between a rear position in and a front position.

Abstract: The present invention relates to a windscreen wiper device (100) for a vehicle, with a fastening element (52), in particular to a motor vehicle. The windscreen wiper device (100) comprises a mounting element (40) which is designed to be mounted on the fastening element (52), and a wiper blade (2) with an elongate upper part (10) and an elongate lower part (12), which are configured to be at least partially bendable. Furthermore, a plurality of connecting elements (18) for connecting the upper part (10) and the lower part (12) are provided, wherein the connecting elements (18) are spaced apart from one another along a longitudinal extent (8) of the wiper blade (2). The connecting elements (18) are designed in order to permit a movement of the upper part (10) and of the lower part (12) relative to each other with a movement component along a longitudinal extent (8) of the wiper blade (2). Furthermore, the wiper blade (2) comprises a wiper-blade-side fastening part (20).

Abstract: A bicycle carrier attachment for a vehicle includes at least one bracket held within an interior of a vehicle spoiler. The at least one bracket is attached to a portion of the vehicle and held within the spoiler interior. Optionally, a cover is included that defines a flush surface with the spoiler body when in a closed configuration.

Abstract: A cowl structure for a vehicle that drains water drops. A cowl outer panel is provided opposing a front end portion side of an instrument panel. A downflow portion is provided at each of two end portions in the vehicle width direction of a floor wall portion of the cowl outer panel. A drainage member is provided at the lower side of each downflow portion. Hence, water drops that have flowed down the glass inner face of the front glass pass along the floor wall portion of the cowl outer panel, flow down through the downflow portion, and are guided to the drainage member. An outflow port is formed at drainage member. The outflow port is in fluid communication with a drainage port formed at a front pillar inner. Therefore, water in the drainage member may be drained out of the vehicle from the outflow port via the drainage port.

Abstract: The invention provides an apparatus to hold one or more windshield wipers stationary against a vehicle window. The apparatus comprises a window placement module comprising a vacuum cup that has a vacuum zone and an attachment means that is located at a point on the cup other than within the vacuum zone. The attachment means is linked to a first point of an arm that comprises a constraint feature to hold a windshield blade in place and further comprises a leverage feature to raise or lower the height of the constraint feature relative to the first point of the arm.

Abstract: A motor vehicle body is provided with a substantially vertical wall, which separates a lower zone of the passenger compartment from the engine compartment, and with a structure for receiving and draining water; such a structure protrudes forward into the engine compartment from an upper end of the substantially vertical wall and has an upper crosspiece shaped so as to define a manifold for receiving water; the upper crosspiece has a perforated intermediate portion and two opposite end portions provided with respective openings for draining water into drain passages; the structure further has a reinforcing crosspiece, which is arranged underneath the perforated intermediate portion for receiving some of the water and is shaped so as to define a channel which is elongated in the transversal direction so as to divert the water sideways and outwards.

Abstract: A peripheral structure of a front hood of a vehicle comprises an instrument panel arranged in a front part of a riding space and includes a first surface facing the riding space and a second surface extending diagonally forwardly and downwardly from an upper end of the first surface, and an openable and closable or detachable front hood extending forwardly of the second surface and covering from above a storage compartment which is arranged in front of the riding space and between a pair of left and right front wheels. The instrument panel has an extension section being located along the second surface and extending diagonally forwardly and downwardly under a rear end of the front hood. A step section is provided at a front end portion of the extension section and projects upwardly from an upper surface which is located in the rear of the front and portion.

Abstract: The invention provides an apparatus to hold one or more windshield wipers stationary against a vehicle window. The apparatus comprises a window placement module comprising a vacuum cup that has a vacuum zone and an attachment means that is located at a point on the cup other than within the vacuum zone. The attachment means is linked to a first point of each of one or more arms; a second point of each arm is linked to a clamping module optionally in a rotatable way. When in use the clamping module constrains movement of a windshield wiper.

Abstract: The invention provides an apparatus to hold one or more windshield wipers stationary against a vehicle window. The apparatus comprises a window placement module comprising a vacuum cup that has a vacuum zone and an attachment means that is located at a point on the cup other than within the vacuum zone. The attachment means is linked to a first point of each of one or more arms; a second point of each arm is linked to a clamping module optionally in a rotatable way. When in use the clamping module constrains movement of a windshield wiper.

Abstract: A protective device for a vehicle wiper assembly is provided. The protective device is configured to selectively at least partially cover the wiper assembly and prevent the wiper assembly from being pulled away from the vehicle. For example, the protective device may prevent entanglement of the wiper assembly with external elements such as those found in automatic car wash facilities. The device may include a member movable between first and second positions such that the member in the second position is configured to at least partially cover or encapsulate the wiper assembly. An active material actuator may be used to move the member between the first and second positions. In another embodiment, the device includes a member operatively connected to and configured to stiffen a pivot point of the wiper assembly.

Abstract: A vehicle wiper system includes a wiper arm, a motor including a motor shaft, and a drive connection through which torque is transmitted from the motor shaft to the wiper arm when the motor is energized, and at least partially releasing a connection between the motor shaft and the wiper arm when the motor is deenergized.

Abstract: A wiper lifter assembly may include a wiper ramp that lifts a wiper away from a wiper surface on a vehicle, an isolation pad for attaching the assembly to the vehicle, and a wiper contact member that is attached to an upper surface of the wiper ramp. The wiper ramp may be formed of a first material while the wiper contact member and the isolation pad may be both formed of a second material that is softer than the first material.

Abstract: A wiper lifter assembly includes a wiper ramp that lifts a wiper away from a wiper surface on a vehicle and a wiper contact member that is attached to an upper surface of the wiper ramp. The wiper contact member may act as a sound damper to greatly reduce the undesirable noise otherwise caused when the wiper contacts the wiper lifter assembly. The assembly may also include an isolation pad for attaching the assembly to the vehicle.

Abstract: A vehicle wiper assembly may include an arm and a wiper blade attached to the arm. The wiper assembly may be placed into a parked condition by supporting the wiper blade to a wiper lifter. To prevent unintentional removal of the wiper blade, as may occur for example in a car wash, the wiper blade remains irremovable from the arm due to physical interference between the wiper assembly and the wiper lifter. When removal of the wiper blade is desired, the wiper assembly may be manually moved to a position where the wiper blade can be removed from the arm without physical interference between the wiper assembly and the wiper lifter.

Abstract: The invention relates to a drive device (10), especially for a window wiping device, comprising at least one shaft (13). Until now, only stop mechanisms which are very complicated in terms of production are known, with which a wiper arm can be blocked in the idle position thereof. In order to reduce this complexity, the inventive drive device comprises a strip and/or a cord which can be wound around the at least one shaft (13) with a defined tension.

Abstract: A rear wiper assembly that moves to a parked position located out of contact with the rear windshield upon the occurrence of a specified condition. Upon resuming the normal operation of the rear wiper assembly the rear wiper arm waits a first delay prior to moving to a flip position located on the rear windshield and then waits a second delay prior to resuming its normal oscillation across the rear windshield.

Abstract: A wiper assembly for use in connection with a wiper arm attachment member having a transversely extending pin and bent tab. The wiper assembly includes a wiping element and a superstructure having first and second longitudinal ends. The wiper assembly further includes first and second airfoils attached to the superstructure between an intermediate position and the longitudinal ends. The wiper assembly further includes a coupler attached to the superstructure and disposed between the first and second airfoils. The coupler includes first and second sidewalls, a deck that extends from the first sidewall and a rail that extends from the deck. The deck and rail of the wiper assembly cooperate to define a side-saddle that facilitates low-profile attachment to a wiper arm attachment member for reducing the likelihood of wind lift and lateral movement between the wiper arm attachment member and the wiper assembly.

Abstract: The device comprises an output gearwheel (6), a gear cover (4) having a plastic sleeve open toward the output gearwheel (6) and a park position switch having first contacts mounted for rotation and second contacts fixed to the gear cover (4) and a driving means. The invention provides that the sleeve is embodied as a contact sleeve (8) having contact tracks (31b, 53a, 31), particularly along the inner surface of the contact sleeve (8). To enable sliding contact on rotation, the cylindrical member (10) of a driving disk (9) extends into the contact sleeve (8).

Abstract: The invention relates to a method for adjusting a wiping angle (?1, ?2) between a park position and a reversal position (28, 30) of a wiper lever (16, 18) of a windshield wiper system for a motor vehicle with at least one wiper lever (18) whose park position or reversal position (30) runs approximately parallel to an A pillar (14) of a vehicle body, which laterally delimits a windshield (10), wherein the wiping angle (?2) is adjusted by means of an eccentric ball pivot (60), which is arranged on a free end of a driving crank (54) and connects the same to a motor crank (52) in an articulated manner by means of an articulated rod (42), while the other end of the driving crank (54) sits on a drive shaft (56) in a rotationally fixed manner, said drive shaft driving a fastening part (58) of the wiper lever (18).

Abstract: The invention relates to a wiper mechanism (18) for a window panel (12) which is pivotable relative to the body (16) of the vehicle (10) between a closed position, and between an open position in which the window panel (12), comprising a shaft (22) for driving a wiper arm (24) in rotation around a rotation axis relative to the window panel (12), a motor reducer (26) comprising a driving shaft (36) which is capable of being coupled in rotation with the drive shaft (22) when the window panel is in the closed position, and means for locking (40) the drive shaft (22) in rotation relative to the plate (20), in a predetermined angular position, characterized in that the locking means (4) include a locking member (42) which is mounted movably relative to the plate (20), between a position for locking the drive shaft (22) in rotation relative to the plate (20), and an unlocked position enabling the drive shaft (22) to rotate relative to the plate (20).

Abstract: The present invention relates to a wiper system for a window of a motor vehicle. A wiper assembly is provided that oscillates over the window to remove moisture. A slider member extends outwardly and generally away from the wiper assembly. A pivotal lifter is affixed to the motor vehicle and engages the slider member to pivotally lift the wiper assembly away from the window upon deactivation of the wiper system. The present invention also relates to a corresponding method of making a wiper system in accordance with the above description.

Abstract: The invention relates to a windscreen wiper device, in particular for a motor vehicle, comprising at least one gear wheel (13), a gear housing (11) and a gear (10) that has a park position switch (12). Up to now the setting of a motor crank to a specific park position has only been possible if the gear housing cover has been fitted. To solve this problem, in the windscreen wiper device according to the invention, the park position switch (12) is situated between the gear wheel(s) (13) and the gear housing (11).

Abstract: A wiper cover is mounted in an opening in a vehicle housing and receives a wiper arm which pivots within the opening. The cover has a hollow body mounted in the opening, a rear flap which projects upwardly and forwardly from a rear side of the body, and a front flap which projects upwardly and rearwardly from a front side of the body. The front flap extends above and overlaps a portion of the rear flap. The flaps substantially cover the opening and slidably engage the wiper arm as it pivots within the opening. The body has upper and lower flanges which form a groove therebetween which receives an edge of the housing. The flaps include a notch and a recess which receives the wiper arm when the wiper arm is in a park position.

Abstract: A method for controlling a wiper motor of a wiper device for a motor vehicle windshield. A control unit implements the inventive method and a wiper device for a motor vehicle windshield. The control unit controls an electric motor which powers a wiper blade on a windshield sweeping between two end-of-travel zones. In each end-of-travel zone, there is a software end-of-travel stop which is moved by a predetermined value after each passage on the software stop, the latter always remaining in its test zone, thereby providing self-adaptation of the sweeping limits in time. The invention also enables the detection of the presence of obstacles on the wiper blade path.

Abstract: The present invention relates to a contact-disk system including a control unit, a rotatable contact disk and a plurality of contact elements, the contact disk having a plurality of paths and each contact element being associated with one path. The paths have electrically conductive segments and electrically insulating segments, logical states being encoded by the electrically conductive segments and the electrically insulating segments. The contact disk has n paths with n≧2, and N logic states are encoded by the n paths and by the sequence of the electrically conductive segments and the electrically insulating segments, with N>2n. The present invention also relates to a method for controlling a windshield-wiper motor and a windshield-wiper motor having a contact-disk system according to the present invention.

Abstract: Windshield wiper apparatus, in particular for a motor vehicle, with a drive motor and at least one gear that drives at least one wiper arm, whereby the at least one gear is equipped with at least one device to inhibit the at least one gear.

Abstract: A windscreen wiping device which includes a wiper arm which can be activated and a wiper blade which includes a wiper rubber having a carrier element receiver and a carrier element. A wiper lip is arranged on the wiper rubber and lies against the window to be wiped. Load alleviation elements which alleviate the wiper lip when the windscreen wiping device is in the parking position lift the wiper lip off the window to be wiped. The load alleviation elements include at least two interspaced pins arranged on the carrier element and ramps which co-operate with the pins and which are provided on the window or in the region around the window. In the parking position, the pins drive against the ramps in order to alleviate the wiper lip.

Abstract: The invention is based on a wiper system (10) for motor vehicles, in which at least one wiper arm (36) with a wiper blade (38) of a windshield wiper (12, 14) is placed in a parked position (26) parallel to a lateral boundary (40, 46) of a vehicle window (16). It is provided that the wiper arm (36) with the wiper blade (38) in the parked position (26) is disposed between the vehicle window (16) and a cover trim (34, 48) extending at a spacing distance (56) from the window.

Abstract: A windshield wiper arm of the motor vehicle is provided with a device including a first power interruption switch, a second power interruption switch, a relay, a motor, a gear set, a push red, and a protruded rod. When the push rod is driven to move in a vertical direction, the windshield wiper arm is pushed to move away from the windshield of the motor vehicle which is not in operation. As the motor vehicle is activated, the push rod is driven to return to a horizontal position thereof, thereby causing the windshield wiper arm to be retracted in place.

Abstract: An intermittent driving apparatus for a rotary window cleaner comprises a first wiper (2) which is connected to a rotating shaft (10) of a first motor (8) and is rotatably disposed on a front window (1), a second wiper (3) which is connected to a rotating shaft (11) of a second motor (9) and is rotatably disposed on a front window (1) adjacently to the first wiper (2), and an electronic control circuit having brush boards (18, 20) of two motors connected to each other so that the second motor (9) is rotated at a predetermined time after the first motor (8) is rotated. The electronic control circuit includes a signal generating circuit (30) for repeatedly sending signals to the brush board (18) of the first motor (8) at fixed time intervals, and a brake mechanism for stopping the two wipers at the start position for a predetermined time every one rotation.

Abstract: A wiper system has a wiper motor and a gear secured via a receptacle to a tubular carrier by fastening regions formed onto its gear box, and the receptacle surrounds the tubular carrier in form- and/or force-locking fashion.

Abstract: A wiper drive apparatus includes a drive gear rotated by a motor, a lead frame carried on a cover attachable to the motor or motor gear and including a circumferentially of discrete conductive traces, and a park switch bridge rotatably mounted on the cover and carrying a circumferentially of spaced contacts, each slidable over conductive traces to open and close a circuit to the drive motor as the park switch bridge is engaged by and rotated by the drive gear. Each contact is carried on a beam projecting from a circumferentially of radially extending arms forming the park switch bridge. A drive pin carried on the drive gear engages successive arms to rotate the park switch bridge 90° for each revolution of the drive gear to bring a different contact into electrical connection with the conductive traces without requiring additional tooling for the lead frame or the park switch bridge itself.

Abstract: A wiper apparatus suitable to wipe the window pane of laterally elongated type, which is provide with a reversible wiper motor 2; a reciprocally rotating output shaft 2a; a circular shaped rotary housing 3 fixed to the output shaft; a stationary gear 4 disposed coaxially around about the output; an idler gear 5 meshed with the stationary gear and supported rotatably on the rotary housing; an output gear 6 meshed with the idler gear and supported rotatably on the rotary housing; and a pivot shaft 20 fixed to the output gear and connected with a wiper member 7, 8; the gears 4, 5 and 6 are housed in the rotary housing 3.

Abstract: A wiper driving apparatus for vehicles capable of preventing the temporary standstill and overrun phenomenon of wiper blades.

Abstract: A drive controlling apparatus for a rotary window cleaner comprises an elevating motor for moving up and down two wipers, which are provided on a front window so as to be close to each other, to a storage position and a start position, a first motor for rotating the first wiper at the start position, a second motor for rotating the second motor at the start position in a direction opposed to that of the first wiper, and an electronic control circuit to which each brush board of the elevating motor, the first motor and the second motor is connected so as to perform the upward and downward movement, the intermittent operation, the medium-speed operation and the high-speed operation.

Abstract: In a wiper device for vehicles, a wiper blade is rotatably connected to a wiper arm at a holding axis. A slider unit is attached to the wiper blade at a position being shifted from the holding axis. A lifter is disposed at the vehicle body at a position where the wiper device is stopped and the wiper blade is concealed. The slider unit runs onto the lifter to lift the wiper blade so that the wiper blade may be rotated on the holding axis until the wiper blade comes in contact with the wiper arm when the wiper device is stopped and the wiper blade is concealed. An elastic element for absorbing noise such as rubber or sponge is disposed between the wiper arm and wiper blade so that the wiper blade comes in contact with the wiper arm via the elastic element when the wiper blade is lifted.