Abstract: A laser level alignment tool is shown. The laser level alignment tool includes magnetic mounts located along a perimeter of body. A laser level is coupled to the body off center from a center point of the laser level alignment tool. The magnetic mounts may be height adjustable relative to the body.

Abstract: A sensor device for a towing vehicle coupling or forming part of a towing vehicle coupling with which a trailer vehicle can be coupled to a towing vehicle wherein the towing vehicle coupling has a coupling element for releasably coupling a coupling mating element, which can be secured to the towing vehicle and the trailer vehicle, and when coupled together can rotate relative to one another about at least one joint rotational axis, forming a joint, where the sensor device has a follower mounted on a bearing body such that it can rotate relative to the coupling element about a follower rotational axis; can be rotatably carried about the follower rotational axis, by the rotation of the coupling mating element about the at least one joint rotational axis, to sense a rotation of the coupling mating element relative to the coupling element about the at least one joint rotational axis, and the sensor device has at least one sensor for sensing a respective rotational position of the follower relative to the bearing

Abstract: A joint system for constructing orbital and extra-terrestrial structures includes a node receptacle having a node surface and a finger receiver projecting outwardly of the node surface, and a strut element including a support member, a finger element shiftably supported on the support member, a shell system shiftably supported on the support member and connected to the finger element, and an actuator mounted to the support member and operatively connected with the shell system. The actuator is operable to shift the finger element and the shell system into contact with the node receptacle. The finger element cooperates with the finger receiver to form a first load path and the shell system cooperating with the node surface to form a second load path.

Abstract: A latch assembly includes a latch body having a longitudinal wall portion extending from a front wall portion to a rear hinge portion, first and second latch members assembled with the longitudinal wall portion and laterally movable between an extended position and a retracted position, and a hinge bracket. The hinge bracket defines a mounting surface and is hingedly attached to the rear hinge portion of the latch body for angular adjustment of the latch body with respect to the mounting surface. When the latch body is oriented at a first angle, first and second mounting apertures in the front wall portion align with first and second mounting apertures in the hinge bracket, such that installation of mounting fasteners through the corresponding first and second mounting apertures of the front wall portion and the hinge bracket secures the latch body at the first angle.

Abstract: A computing unit configured to be mounted in a HPC cabinet comprising an external body and an internal body that comprises secondary electronic components. The internal body being releasably coupled with the external body in order to allow extraction of the internal body when the external body is secured fixedly to the HPC cabinet. The computing unit also includes at least one front lever pivotally coupled to the internal body and configured to latch with a latching wall of the external body and to latch with the bottom wall of the external body in order to releasably couple the internal body with the external body.

Abstract: A dispenser includes a dispenser body that has an interior cavity in which a first chassis is configured to be translated relative to a second chassis along a central axis. The dispenser has a cartridge including a container and a pump that includes a drive flange defining a drive diameter. The dispenser includes an adaptor having a pair of legs that are configured to be coupled to the drive flange and the first chassis, and the adaptor and the drive flange are configured to prevent the drive flange from being translated independently of each other.

Abstract: A graphics processing unit (GPU) server having a GPU host head with one or more host graphics processing units (GPUs). The GPU server further has a GPU system with a plurality of system GPUs that are separate from the host GPUs, and that are configured to rapidly accelerate creation of images for output to a display device. The GPU server also has a mounting assembly that integrates the GPU host head and the GPU system into a single GPU server unit. The GPU host head is independently movable relative to the GPU system.

Abstract: Embodiments of the present invention describe a recreational vehicle spindle, including a spindle body having one or more sockets in the spindle body, and an upper attachment mechanism in contact with the spindle body and adapted to attach to a steering component. The spindle also includes a lower attachment mechanism in contact with the spindle body and adapted to attach to a ski or wheel. The one or more sockets are adapted to each receive a ball and stud forming one or more ball joints.

Abstract: A lock retainer for facilitating the secured connection of an adjacent pair of wall frame elements to one another by way of a lock cassette having an actuatable grip portion is disclosed. The lock retainer may comprise a flange portion disposed between a proximal portion and distal portion. A cassette compartment may retainingly engage a portion of the lock cassette with the grip portion remaining outward the lock retainer. The proximal portion is configured to be mounted in a retainer mounting aperture in a frame segment of a wall frame element. The lock retainer may include a retainer detent moveable between a securing and releasing positions. The detent may be resiliently biased toward the securing position. The detent may be on a detent lever having a release actuation portion enabling a user to manually overcome the resilient bias. Also disclosed is a modular wall frame system incorporating the lock retainer.

Abstract: An expandable pipe seal includes a sleeve that is expandable from a first, compact configuration to a second, expanded configuration having a larger outer diameter than the first configuration. The sleeve may be formed from sheet material that is rolled into a cylindrical shape such that a first longitudinal edge of the sheet overlaps a second longitudinal edge of the sheet in a circumferential direction. The sleeve is provided with first and second locking structures that cooperate to facilitate expansion of the sleeve from the first configuration to the second configuration and, thereafter, maintain the sleeve in the expanded configuration. The pipe seal includes sealing structure disposed on an outer surface of the sleeve, and which is compressed against the inner wall of a pipe to be repaired in the second configuration of the sleeve.

Abstract: Disclosed is a utility rack system that includes shelves having a first end, a second end, and a pair of end supports. Each of the pair of end supports is configured to support either the first end or the second end of the one or more elongated shelves. Each of the pair of end supports includes a first vertical member and a second vertical member, an upper cross member pivotally coupled at a first end to the first vertical member and pivotally coupled at a second end to the second vertical member, and a lower cross member pivotally coupled at a first end to the first vertical member and pivotally coupled at a second end to the second vertical member. The utility rack system also includes a diagonal support having a sliding lock mechanism coupling a first end of the diagonal support to the first vertical member.

Abstract: Various embodiments of the present disclosure are directed to a packaging apparatus and method for packaging an article with a tubular film to be pulled over the article. The packaging apparatus has a machine frame on which a film supply apparatus and a film covering apparatus are mounted. The packaging apparatus includes a releasable drive coupling usable to operatively couple a drive with either the film covering apparatus or the film supply apparatus (or a subcomponent of the film supply apparatus). Once coupled, the drive can move the film covering apparatus or the film supply apparatus relative to the frame.

Abstract: A kyphoplasty system includes various instruments which can be selectively used in a surgical theater (e.g., during a surgical operation on a patient) or a surgical training environment. The kyphoplasty system can include one or more of a kyphoplasty apparatus, a prone table mat, a connector system, a bone introducer needle, and a biopsy device. The kyphoplasty system may also include a training system for use in the training environment.

Abstract: A surgical endoscope for manipulation by a surgical robot arm. The surgical endoscope comprises a shaft having a distal end for insertion into a patient and a proximal end. An endoscope interface is attached to the proximal end of the shaft. The endoscope interface is configured to engage a robot arm interface of the surgical robot arm. The endoscope interface comprises an endoscope wedge mechanism moveable between an unlocked position and a locked position. The endoscope wedge mechanism comprises endoscope wedge elements which are displaceable such that collective displacement of the endoscope wedge elements actuates the endoscope wedge mechanism between the unlocked position and the locked position.

Abstract: A graphics processing unit (GPU) server having a GPU host head with one or more host graphics processing units (GPUs). The GPU server further has a GPU system with a plurality of system GPUs that are separate from the host GPUs, and that are configured to rapidly accelerate creation of images for output to a display device. The GPU server also has a mounting assembly that integrates the GPU host head and the GPU system into a single GPU server unit. The GPU host head is independently movable relative to the GPU system.

Abstract: A screwing device including: a container for screws; a manipulator having an effector to pick up a screw; an isolating unit connected to the container to provide the screw from the container at an interface such that a head of the screw is accessible to the effector; and a control unit to control the manipulator in executing a control program to perform operations including: guiding the effector along a trajectory having an orientation to the screw head at the interface, wherein the orientation is defined for locations along the trajectory; and executing force-regulated, impedance-regulated, and/or admittance-regulated periodic and closed tilting movements of the effector in relation to its orientation until a condition for a torque, a force, or a time for carrying out the tilting movements is reached or exceeded, and/or a force/torque and/or a position/speed signature at the effector is reached or exceeded, indicating successful pick-up of the screw.

Abstract: A control pod bracket assembly for an operator seat of a work machine adjusts a spacing distance between a right control pod and a left control pod. A right side bracket and a left side bracket having the control pods mounted thereon may be slidably coupled to a center bracket to move between inward and outward positions. Right side bracket and left side bracket locking mechanisms are selectively engageable to lock the side brackets at the inward or outward positions, and to unlock and allow the side brackets to move between the inward and outward positions. Adjustment of the side brackets allows the control pod spacing to be varied between a minimum control pod spacing distance and a maximum control pod spacing distance.

Abstract: A component fitting structure includes: a first component including an elastic column provided with an engaging piece; and a second component including a cutout capable of being engaged by the engaging piece, in which the engaging piece includes a first protrusion protruding laterally from the elastic column and a second protrusion protruding in a direction opposite to a protrusion direction of the first protrusion, and the cutout includes a first edge configured to oppose the first protrusion and a second edge configured to oppose a part of the second protrusion and open a remainder of the second protrusion, after the first component and the second component are assembled.

Abstract: A clamping system for fastening a cooling unit on a circulating supporting element of a caterpillar-type casting machine includes at least one connecting element, which is pre-tensioned in its longitudinal direction by a spring, and a clamping arrangement, by which the cooling unit is fastenable on the supporting element. The connecting element is accommodated in a displaceably mounted manner in the direction of its longitudinal axis inside the supporting element. The clamping arrangement is formed by a head on an upper end face of the connecting element and a recess, which is provided on/in the cooling unit and is brought into interaction therewith. The connecting element is pre-tensioned by the spring toward the supporting element and is transferred into a clamping position, in which the cooling unit, when the head of the connecting element engages with the recess provided on/in the cooling unit, is automatically clamped with the supporting element.

Abstract: The invention relates to a threaded insert for securing a tool provided with a securing thread in a tool receiving area. The threaded insert contains a receiving opening with an inner thread for screwing in the tool at the front end face. According to the invention, the threaded insert has a plug-in region which tapers towards the rear end face and which comprises an outer support surface, and at least one depression for receiving an adhesive is arranged on the outer contact surface. The invention additionally relates to a receiving element for such a threaded insert and to a tool receiving area comprising such a threaded insert and a corresponding receiving element.

Abstract: Embodiments of drive equipment for mobile hydraulic fracturing power units and methods for changing and controlling the drive equipment are disclosed. The mobile power units include a gas turbine engine that provides mechanical power to drive shaft which is connected to the drive equipment such that the drive equipment is driven by the engine. The drive equipment may be a hydraulic fracturing pump or an electrical generator. The drive shaft is rotated at a speed suitable for the hydraulic fracturing pump and the electrical generator includes a step up gearbox to increase a rotational speed of the drive shaft for use by the electrical generator. The drive equipment may be secured to a skid that is field changeable with a crane or a fork lift to change the drive equipment at a well pad based on the demands of the well pad.

Abstract: Embodiments of drive equipment for mobile hydraulic fracturing power units and methods for changing and controlling the drive equipment are disclosed. The mobile power units include a gas turbine engine that provides mechanical power to drive shaft which is connected to the drive equipment such that the drive equipment is driven by the engine. The drive equipment may be a hydraulic fracturing pump or an electrical generator. The drive shaft is rotated at a speed suitable for the hydraulic fracturing pump and the electrical generator includes a step up gearbox to increase a rotational speed of the drive shaft for use by the electrical generator. The drive equipment may be secured to a skid that is field changeable with a crane or a fork lift to change the drive equipment at a well pad based on the demands of the well pad.

Abstract: A lever-type connector includes a first housing having a cam boss and a second housing fitted and detached from the first housing. A lever is rotatably supported to the second housing via lever bosses, and both housings and are fitted by rotating an operating portion. A cable cover is attached to a rear portion of the second housing to protect a plurality of cables drawn from the rear portion of the second housing. The second housing has an assembling portion for assembling the cable cover, and boss holes for rotatably supporting the lever bosses.

Abstract: An adjustable steering column assembly which includes an adjustable shroud that supports a steering column shaft, a support bracket that is fixed in position in the vehicle, and a clamp mechanism that selectively secures the shroud to the support bracket, the clamp mechanism comprising a fixed rack that is secured to the shroud or the bracket, and a moving rack that is movable towards and away from the fixed rack during operation of the clamp mechanism, in which the fixed rack comprises a support portion and at least one row of teeth which are carried by the support portion arranged spaced apart from one another, and the moving rack comprises a support portion and at least one row of teeth which are carried by the support portion.

Abstract: The invention relates to a bolt connection with a bearing bolt, in particular for a construction machine, in particular for underground engineering and for a swivel lever, in particular for a construction machine, which connects a first component and a second component pivotably to each other, wherein the bearing bolt extends through at least one first bearing eye on the first component and at least one second bearing eye on the second component, and wherein the bearing bolt can be driven, for releasing the connection, on an exit side out of the first bearing eye and the second bearing eye. At the exit side a protective receptacle is arranged, which is designed to receive and hold the driven-out bearing bolt.

Abstract: A quick attachment coupling system to attach tactical or tool accessories, providing the ability to interchange accessories on the fly, which can be modified to fit or be integrated to the magazine base of a pistol, the fore-end of a long gun, the exterior of wearable tactical gear, or any other supporting structure. The coupling system includes a dock. Each accessory tool is fitted with a tang which slides into a tang slot in the dock where it is automatically secured for use by a spring-loaded lock switch. A core plug in the tang slot holds the lock switch in an unlocked position when the accessory tool is uncoupled from the dock.

Abstract: A connector assembly includes a first-connector and a second-connector. The first-connector has a locking-lug. The second-connector has a cantilevered latch configured to slideably engage the locking-lug. The cantilevered latch includes a pair of parallel latch-arms. The pair of parallel latch-arms terminate at a first cross-beam that spans the pair of parallel latch-arms. The cantilevered latch further includes a second cross-beam parallel to the first cross-beam. The second cross-beam is configured to releasably lock the locking-lug when the first-connector is mated with the second-connector. The pair of parallel latch-arms includes a rib extending beyond a bottom-surface of each individual latch-arm. The locking-lug deflects the pair of parallel latch-arms toward an outer-surface of the second-connector when first-connector is moved from an unmated-position to a mated-position, whereby the rib contacts the outer-surface and limits a deflection of the pair of parallel latch-arms.

Abstract: A connector (F) includes an inner housing (11). Terminal fittings (72) are fixed to front end parts of wires (71) and are inserted into the inner housing (11) from behind. An outer housing (37) is held out of contact with the terminal fittings (72) and is mounted relatively displaceably with respect to the inner housing (11). Vibration damping rings (64) are fit externally on the wires (71) in a state out of contact with the inner housing (11), and are held resiliently in contact with the outer housing (37).

Abstract: A connector (F) includes an inner housing (11) configured to accommodate terminal fittings (72). An outer housing (37) is separate from the inner housing (11) and is configured to surround the inner housing (11). A lock arm (17) is formed on an outer surface of the inner housing (11) and is configured to lock the inner housing (11) and a mating housing (80) in a connected state by being locked to the mating housing (80). Protecting portions (45, 46) are formed on the outer housing (37) and are arranged near a lock releasing portion (22) of the lock arm (17).

Abstract: An electron beam sterilization unit for processing food packaging material, the unit having a frame; at least one electron beam emitter fitted to the frame, along the path of the material for processing, and having a flange for connection to the frame; and a locking device, which is fitted to the frame, and has thrust devices for exerting a lock force on the flange in a given first direction, and for locking the emitter, with respect to the frame, in a given work position, and actuating devices for activating the thrust devices and which are defined by toggle devices.

Abstract: A fastening structure of a rangefinder wheel includes a first unit and a second unit. The first unit includes a first base which has a first passage defined axially therethrough for receiving a first tube therein. A lever is pivotably connected to the first base and has an engaging hole. A first spring and a second spring are biased between the first base and the lever. The second unit is pivotably connected to the first base and has a second base which has a second passage defined axially therethrough for receiving a second tube therein. An engaging member is connected to the second base and has a protrusion which is engaged with the engaging hole of the lever. The lever compresses the first spring to move a distance transversely. The lever compresses the second spring to move a distance axially so as to separate the lever and the engaging member.

Abstract: The invention pertains to a lock (10) for locking a mobile structure to and unlocking it from a fixed structure (11) on a vehicle, one of the two structures containing a first keeper (14), the other structure containing a second pin (16) around which the lock can pivot, the lock comprising: A lock strut (19) containing a hook (33) able to latch onto the keeper; A handle (17) with a third pin (28) around which the lock strut can be guided in its rotation, the second pin (16) being located toward the handle (17) in relation to a plane (29) formed between the first keeper (14) and the third pin; and a fourth pin (46), located between the handle and a first side (35) of the lock strut; A first connecting rod (45) linking the third pin (28) to the fourth pin (46); A second connecting rod (48) linking the fourth pin (46) to the second pin (16), and a fifth pin (49) located against a second side (50) of the lock strut opposite the first side (35).

Abstract: Building or structural panels may be joined, such as to form walls or floors. The panels may be connected in various orientations via one or more connectors. The connectors may mount to anchors associated with the panels. The panels may have outer skins located over an expanded core comprising a matrix of supporting elongate members and voids or openings, with the anchors located at edges of the panels.

Abstract: The invention relates to a hook latch (73) configured so as to lock and unlock a mobile structure on a fixed structure of a vehicle, said latch having an adapter (69) fitted with a hook (73) capable of fastening a keeper, a handle comprising a trigger, on the handle, a second pivot connection axis, on the trigger, at least one hook capable of fastening at least one protrusion (125) of a bracket (121) connected to the adapter, a third pivot connection axis, around which the handle and the adapter are guided in rotation in relation to each other, and characterised in that it comprises an adjustment device for adjusting the flushness of the upper surface of the handle in relation to the aerodynamic surface, said device comprising the bracket (121), a screw (129) capable of being screwed and unscrewed within a first tapped recess of the adapter.

Abstract: An electric storage device includes: electric storage elements including external terminals; and bus bars connected to the external terminals, wherein the bus bars include thin-walled portions, and the thin-walled portions and the external terminals are welded together.

Abstract: A cutting-off saw with a safety protection device, including a base; a support arm arranged on the base; a cutting blade coupled to the support arm by a driving head; a fan-shaped fixed guard and a movable guard configured to enclose the cutting blade and can be combined into a single disc; an extension arm coupled to a top portion of the support arm; the movable guard coupled to one end of a guard connecting rod; the other end of the guard connecting rod formed into an arc-shaped elbow and coupled to a stop button and the extension arm. An arc-shaped bayonet having a radian matching with that of the arc-shaped elbow of the guard connecting rod is arranged on a lower portion of the stop button. It ensures that the movable guard will never be turned upwards during the operation of loading or unloading a workpiece.

Abstract: A latch comprises a frame securable to a device enclosure, and a handle slidably secured to the frame, wherein the handle can slide between an inward position and an outward position, and wherein the distal end of the handle has a drive pin. The latch further comprises a rigid pawl having a latch key, a distal end pivotally secured to the frame, and a slot that receives the drive pin. Inserting the handle causes the drive pin to move within the slot, push the pawl toward a side of a chassis bay, and deploy the latch key into engagement with a slot in the side of the chassis bay. Withdrawing the handle causes the drive pin to move within the slot, pull the pawl away from a side of the chassis bay, and withdraw the latch key out of engagement with the slot in the side of the chassis bay.

Abstract: The present invention relates to a functional table for patient transportation, including: a patient supporter which supports a patient laid thereon and allows the patient to be horizontally slidably transported, with its both sides being changed in their angle with respect to a vertical axis of the patient; a support frame which is located in the central bottom of the patient supporter and allows the patient supporter to be vertically moved; a base frame which is connected to the bottom of the support frame and supports the whole of functional table; and at least three transporting wheels which are connected to the base frame and allow the functional table to be freely moved.

Abstract: A connection mechanism is configured in particular for the connection of armrests to cosmetic tables or cosmetic chairs. The mechanism includes a base element (1). The base element (1) has a fastening section (1a) for fastening to a piece of furniture, in particular a piece of furniture for sitting or reclining. The base element also has a fastening element (2) configured for attachment to a part to be connected to the piece of furniture, in particular an armrest. The fastening element (2) is configured for a detachable connection to the fastening section (1a). The fastening section (1a) has a receiving device (1b) for receiving a region (2b) of the fastening element (2). A securing device (3) is provided that engages in the receiving device (1b) in the region (2b) of the fastening element (2) when said fastening element is received therein.

Abstract: The present invention relates to a supplementary device for a manually operable injection device. The device has a body and a mating unit configured to releasably mount the body to the injection device in a specific position relative to an outside surface of the injection device.

Abstract: A sanitary clamp comprises a first member coupled to a projection with at least one external ratchet tooth, pivotally connected to a second member having at least one wall at least partially defining a well configured for receiving the projection. A rocker lock having a first portion and an opposed second portion including an engaging member is pivotally coupled to the at least one wall and configured such that the engaging member is resiliently positioned in the well to engage the at least one external ratchet tooth to latch the projection within the well, and such that the second portion travels outwardly when the first portion is inwardly depressed to retract the engaging member from the well and release the engaging member out of engagement with the at least one external ratchet tooth to unlatch the projection with respect to the well.

Abstract: A locking apparatus for an object that is lockable on a rail is provided such that the object may be undone in a single manual operating step. The apparatus may be used in a passenger aircraft in which it is necessary to slide seats or other built-in devices. The apparatus includes at least one first base body, at least one first locking body, and at least one first operating element. The at least one first base body is designed to be placed on top of the rail. The at least one first locking body is movably held to the at least one first base body, and is shaped to be placed into the rail. The at least one first operating element is connected to the at least one first locking body for moving the at least one first locking body in the direction of the interior of the rail.

Abstract: A quick-connect mounting apparatus used to join a drive mechanism to a driven mechanism permits rotatable members of the drive mechanism and driven mechanism to be aligned and joined together for proper operation.

Abstract: A lock device locks or unlocks a locking subject that relates to a power port and includes a lid. The lock device includes a detector that selectively generates a position detection signal at least corresponding to one of an open position where the lid is open, a closed position where the lid is closed, and a push position where the lid is pushed from the close position. A control unit controls locking or unlocking of the locking subject and a related device of the locking subject based on the position detection signal from the detector.

Abstract: A quick release device for a pedal includes a spindle, a connecting unit connected to the spindle, and a quick release mechanism connected to the connecting unit. The spindle has a protrusion extending from one end thereof and an annular groove defined in an outer peripheral thereof. The connecting unit has a receiving hole defined therein, a guiding hole defined in a lateral thereof and communicated with the receiving hole, and a retaining hole defined therein and communicated with the receiving hole. The quick release mechanism includes a rod partially received in the guiding hole and a spring biased against the rod toward the receiving hole. In assembly the protrusion engages with the retaining hole and the rod engages with the annular groove.

Abstract: A male inserter and a female receiver fixed to a toy bar and a child-support device for relative movement between upright locked and inclined unlocked positions. The male inserter includes a lock element and the female receiver includes a catch surface. In the upright unlocked position, the male inserter can pass through the female receiver. But in the inclined locked position, the lock element engages and locks against the catch surface. If a child in the child-support device pulls down and/or forward on the toy bar in the locked position, it does not move to the unlocked position. But an upward lifting force applied to the toy bar causes it to pivot from the locked position to the unlocked position and to then detach from the child-support device.

Abstract: The present invention discloses a fast assembly mechanism installed between a seat body and a seat frame. The fast assembly mechanism includes a pin and a connecting component. The pin is connected to the seat body, and the connecting component is slidably disposed on the seat frame. The connecting component includes an engaging portion and a release portion. The engaging portion is for engaging with the pin so as to engage the seat body with the seat frame, and the release portion is for separating the pin from the connecting component. When the seat body is engaged with the seat frame, the pin is aligned to the engaging portion and engaged with the engaging portion. When the seat body is detached from the seat frame, the connecting component is moved so that the pin is aligned to the release portion to separate from the connecting component.

Abstract: A locking pin is provided for securing movable mechanical components, and includes a tubular body defining an axial passageway. The tubular body has an actuating end and a tapered working end opposite the actuating end, and has at least one latch opening proximate the working end. The pin has a spindle constructed and arranged for reciprocation in the passageway, as well as at least one locking element, each positioned within the passageway at a corresponding latch opening, and being urged toward the corresponding latch opening by the spindle. A cap is fastened to the working end for restricting entry of contaminants into the passageway.

Abstract: A latching structure is configured for a portable electronic device including a first housing and a second housing. The latching structure includes a latching groove and a hook. The latching groove is defined the first housing, and a removable portion is formed in the latching groove. The hook is formed on a second housing. The hook latches in the latching groove. The removable portion is separated from the first housing to expose the latching groove for pushing the hook out of the latching groove.

Abstract: A connector device for coupling a wiper arm and a wiper blade includes a coupling body, a first support portion provided on an upper surface of the coupling body and extending from the coupling body in a form of a cantilever and for applying an elastic restoration force to the wiper arm, a second support portion provided for supporting the wiper arm in a thicknesswise direction of the wiper arm to prevent the wiper arm from moving in the thicknesswise direction, and a third support portion for preventing the wiper arm from moving in a lengthwise direction of the wiper arm, wherein the second support portion is in a form of a hole with closed upper and lower sides and open front and rear sides.