Abstract: A blocking member for an actuator having a movable arm for effecting a quick-make feature, includes, for example, an elongated member having a first end and a second end, wherein a portion of the elongated member is configured so that the blocking member disposed in a first position engages a portion of the movable arm of the actuator to restrain movement of the movable arm and so that the blocking member disposed in a second position disengages from the portion of the movable arm of the actuator to permit movement of the movable arm.

Abstract: A key module including a key cap, a bottom plate, and a scissors structure is provided. The scissors structure has a first supporting member and a second supporting member pivoted to the key cap and the bottom plate respectively. The first supporting member has a plurality of protruding shafts, the second supporting member has a plurality of axle holes, and the protruding shafts are movably pivoted to the axle holes respectively.

Abstract: A sealed electrical contact system includes at least one male electrical contact with at least one annular flange and a male conductive contact. At least one female electrical contact includes a receptacle and a female conductive contact disposed in the receptacle. The at least one annular flange is configured to contact an inner surface of the receptacle when the male conductive contact contacts the female conductive contact and closes a circuit.

Abstract: A foot pedal for controlling a medical device, in particular a dental device, including a housing with a housing base, a cover element which is mounted so as to be vertically displaceable with respect to the housing base along an actuating direction and so as to be inclinable with respect to the housing base, a first switch for initiating a first functionality on the medical device and a second switch for initiating a second functionality on the medical device, and an actuating device which is vertically displaceable along the actuating direction and which actuates the first switch during a movement in the actuating direction within a first height offset section and actuates the second switch within a second height offset section, the actuating device being configured in such a way, in that it is in a first state in the first height offset section and in a second state in the second height offset section, where the foot pedal being configured such that, at a predeterminable angle of inclination of the cover e

Abstract: A push-button switch with good balance, including a base, a cover covering the base, a press core, a torsion spring, a conductive assembly and a press core slider, which are respectively arranged on the base. A guide pillar provided with guide hole is protruded upwardly from a center of the base. Two baffles are arranged on the base and at opposite sides of the guide pillar to form an annular receiving slot provided with a balance rod assembly formed by a first and a second balance rod cross-connected with each other, two crossing junctions of which are limited by a positioning slider. A cylinder is protruded downward from a center of an annular slot formed at a lower end of the press core. The cylinder and the guide pillar are respectively inserted into the guide hole and the annular slot. The guide pillar is sleeved with a spring.

Abstract: Embodiments of present disclosure provide a switch panel assembly comprising: a cover including a body and an first opening formed on the body; and a first button received in the first opening and switchable between a first position and a second position; the first button being coplanar with the cover while in the first position and being non-coplanar with the cover while in the second position. The first button of the switch panel assembly according to embodiments of the present disclosure is coplanar with the cover in one of the on or off status, which leads to a better appearance of the switch assembly.

Abstract: A keyswitch device which is provided with a support mechanism which supports a keytop in a movable manner, and a membrane sheet which has a plurality of upper electrodes and a plurality of lower electrodes which respectively correspond to the plurality of the upper electrodes and which form contact pairs with the corresponding upper electrodes. A plurality of contact pairs are arranged for a single keytop. The rubber cup pushes the plurality of contact pairs which are arranged for the single keytop.

Abstract: A pressure switch system provides a safety mechanism for equipment at a well site environment to prevent the opening or release of certain components when an unsafe condition exists. A pressure switch assembly of the system includes a diaphragm that transitions to an extended position as pressure of a pressurized fluid is flowed through a fluid pathway of the assembly. The diaphragm couples to a pin that transitions along with a dart based on the pressure at the diaphragm. When pressure reaches or exceeds a threshold, the dart is transitioned to a location proximate to a sensor. The sensor triggers actuation of a switch to prevent release or opening of a remote connector of a hydraulics unit until the pressure is at or falls below the threshold. The threshold is set to a pressure based on the unsafe condition.

Abstract: A switch device includes an operation switch including a switch knob formed integrally with a recess configured to allow a finger to be inserted. The operation switch includes a detector configured to detect a change in a physical amount caused by operation of the switch knob.

Abstract: A keyboard is disclosed. The keyboard includes a keyboard housing and a switch assembly coupled to the keyboard housing. The switch assembly includes a switch body defining an interior volume, a collapsible dome positioned in the interior volume, an actuation member configured to actuate the collapsible dome in response to an actuation of the actuation member, and a cover coupled to the switch body. The cover retains the actuation member to the switch body. The keyboard also includes a flexible material coupled to the keyboard housing and extending over the actuation member.

Abstract: A control switch (110) is provided to facilitate a primary user interface for a control top surface (106) of a non-orthogonal control top (102) of a portable communication device (100). The control switch (110) comprises a thumb button actuator (112), a rotary lever (220) having a lever arm (222) extending therefrom, a transfer arm (202) coupled between the thumb button actuator and the lever arm of the rotary lever, and an electrical rotary switch (204) with a switch shaft (224) providing a primary axis of orthogonal rotation. Actuation of the thumb button actuator (112) results in linear, non-orthogonal motion of the transfer arm (202) being translated into rotary motion of the switch shaft (224) about the primary axis of orthogonal rotation (205).

Abstract: An electrical switch has a casing, fixed contacts and at least one moving contact located in the casing, and a rotor supported in the casing for rotation about an axis of rotation to move the moving contact into and out of contact with at least one of the fixed contacts. There is also an operating mechanism for rotating the rotor. The fixed contacts are arranged on one side of the rotor with respect to the axis of rotation.

Abstract: The input component includes a molding that forms an external frame, a sensor sheet formed by providing a sensor electrode on a base sheet formed of a resin film, the sensor sheet being installed inside the molding, a display element capable of being illuminated by an internal light source, a light shielding portion that shields a light from the internal light source, the display element being illuminated when the internal light source is on, a contact with the display element enabling an input operation, a colored transparent layer formed so as to have a color tone that creates a blackout in which the display element becomes integrated with the light shielding portion surrounding the display element when the internal light source is off so as to become difficult to perceive, the colored transparent layer being provided so as to be layered on the display element, and a light diffusing layer.

Abstract: The disclosure generally relates to a keyboard and, more particularly, to a silent keyboard. A first pressing portion is formed of two strengthening strip elements intersected with each other, and utilized to enhance the rigidity and stability of four guiding pillars. Two grooves are formed on the inner walls of a first frame. Two hooks positioned in opposing sides and two silencing strip elements positioned in opposing sides are formed on the underside of a first key cap and extend outward from the first key cap. The two hooks respectively engage with the two grooves, while each hook is arranged to operably slide along a corresponding groove. The two silencing strip elements engage with the inner walls of the first frame, so that a first key structure can slide steadily within the first frame and does not tilt while sliding.

Abstract: A dial apparatus includes an operation member to be rotatably operated, a contact member including a plurality of contact portions and configured to rotate as the operation member rotates, and a substrate having a signal pattern provided on a plurality of concentric circles with a center at a rotation center of the operation member. The dial apparatus outputs a binary code when the plurality of contact portions contact the signal pattern as the operation member rotates. The signal pattern includes a reference signal area connected to a reference potential, a first signal area configured to output a first signal, and a second signal area configured to output a second signal. Two of the plurality of contact portions are provided on a predetermined concentric circle in the signal pattern and contact a signal pattern that includes the reference signal area and the first signal area.

Abstract: A switching operation mechanism to a molded case circuit breaker, including at least one operating handle, which is movable in a rotatable trajectory, said switching operation mechanism including at least one external rotary handle, at least one operation member and at least one movement transmission means, the said operation member being capable of moving in rotating trajectory in equivalent direction to the movement in rotating trajectory of the handle for operating the circuit breaker in molded case, arranged inside a housing including a laterally bipartite body, reaching an efficient movement transfer, requiring less mechanical effort of proportional operation of the user on the external rotary handle, wherein it is possible to maintain an external rotary handle, of great dimensions proportional to the assembled assembly, “within” the general perimeter of the molded case circuit breaker.

Abstract: The present invention provides a keyboard device, including a plurality of keys, thin film circuit boards, and key bottom plates. A connection component of the key is connected between a keycap of the key and a bottom plate connection portion of key bottom plate, and the bottom plate connection portion has a connection portion surface corresponding to the keycap and a raised portion formed on the connection portion surface. When the keycap moves downward relative to the thin film circuit board, a lower surface of the keycap knocks the raised portion.

Abstract: The present invention provides a keyboard and a key structure thereof, including: a lower cover, a fixed plate, a plurality of keys, a flexible protection cover, and an upper cover. The fixed plate is fixedly disposed on the lower cover, the keys are fixedly disposed on the fixed plate, the hollow protrusion structure of the flexible protection cover is configured to partially cover a key pedestal of the key, and a key support shaft of the key is correspondingly configured at a position of the opening of the flexible protection cover. The upper cover is disposed on the sheet-like body of the flexible protection cover and is assembled to the lower cover, and the hollow protrusion structure is located in a recess of the upper cover.

Abstract: A keyswitch device includes a base plate, a hook, a scissors-like linkage mechanism, a keycap, and a blocking structure. The hook is located on the base plate. The scissors-like linkage mechanism is located on the base plate and includes a connection member. The connection member includes a shaft rotatably engaged with the hook. The keycap is engaged with the scissors-like linkage mechanism and configured to move relative to the base plate with the guidance of the scissors-like linkage mechanism. The blocking structure is located on the base plate. When the keycap is located at a highest position relative to the base plate, the blocking structure and a part of the connection member abut against each other.

Abstract: A switch assembly includes a switch housing defining an interior volume, and a switch actuator slidably retained within the switch housing. Travel in a first direction by the switch actuator compresses a resilient dome switch and a hard mechanical stop limits a full extent of return travel by the switch actuator within the switch housing. A resilient retention post, formed in a resilient switch pad that includes the resilient dome switch, for example, has a length terminating in a flanged tip that captures the switch actuator and thereby defines a restricted extent of return travel by the switch actuator. The restricted extent of return travel is less than the full extent of return travel, to prevent the resilient dome switch from springedly urging the switch actuator into contact with the hard mechanical stop.