A switching unit for switching an electrical current, the unit comprising separable fix and mobile electrical contacts and a mechanism capable of switching over the contacts between a closed state and an open state. The mechanism comprises a switching shaft coupled to a mobile electrical contact, a trip hook mounted to be pivoted on a fixed support of the mechanism and comprising a bore in which is housed an abutment and a link system coupling the switching shaft to the trip hook. The link system comprises an articulated linkage, which is rotationally linked with respect to the trip hook and which comprises a main bearing surface, which bears on the abutment when the switching mechanism is in the closed state. The abutment is configured to be elastically deformed when the switching mechanism passes from the open state to the closed state and the linkage exerts an effect on the abutment, so as to damp the impact of the linkage on the abutment.

A switching unit for switching an electrical current, the unit comprising separable fix and mobile electrical contacts and a mechanism capable of switching over the contacts between a closed state and an open state. The mechanism comprises a switching shaft coupled to a mobile electrical contact, a trip hook mounted to be pivoted on a fixed support of the mechanism and comprising a bore in which is housed an abutment and a link system coupling the switching shaft to the trip hook. The link system comprises an articulated linkage, which is rotationally linked with respect to the trip hook and which comprises a main bearing surface, which bears on the abutment when the switching mechanism is in the closed state. The abutment is configured to be elastically deformed when the switching mechanism passes from the open state to the closed state and the linkage exerts an effect on the abutment, so as to damp the impact of the linkage on the abutment.

A fusible disconnect switch device is provided. The disconnect switch a switch actuator, an actuator bias element, and a slider assembly. The switch actuator is selectively positionable between an opened position and a closed position. The actuator bias element includes a first end acting on the switch actuator and a second end coupled to the switch housing. The slider assembly is linked to the switch actuator. The slider assembly includes a first slider and a second slider each slidably movable with respect to the switch housing along a linear axis. The first slider is independently movable relative to the second slider. The actuator bias element and the slider assembly are responsive to the position of the switch actuator to effect the switch closing operation and a switch opening operation.

A restoration assembly of a button switch includes first and second sleeves, and a spring disposed between the two sleeves. A first outer diameter of the first sleeve is less than a second inner diameter of the second sleeve to make the second sleeve movably jacket outside the first sleeve. The jacketed first and second sleeves are disposed between a key cap and a base of the button switch. The spring has a first end portion, a second end portion and a middle section. A middle outer diameter of the middle section of the spring is larger than a first inner diameter of the first sleeve. During the spring being compressed along with the key cap being pressed downward, the middle section is squeezed to shrink and slide into the first sleeve through an end edge of the first sleeve, thereby producing a tactile feedback and/or a first sound.

A fusible disconnect switch device is provided. The disconnect switch a switch actuator, a handle bias element, and a slider assembly. The switch actuator is selectively positionable between an opened position and a closed position. The handle bias element includes a first end acting on the switch actuator and a second end coupled to the switch housing. The slider assembly is linked to the switch actuator. The slider assembly includes a first slider and a second slider each slidably movable with respect to the switch housing along a linear axis. The first slider is independently movable relative to the second slider. The handle bias element and the slider assembly are responsive to the position of the switch actuator to effect the switch closing operation and a switch opening operation.

A dual energy storage operating mechanism of an isolating switch is provided. A first energy storage mechanism and a second energy storage mechanism are provided between an input wheel and a housing and between the input wheel and an output wheel or a first output shaft, respectively. The output wheel is provided with a limiting mechanism. The limiting mechanism forms a locking effect on the output wheel when the first energy storage mechanism stores energy, thereby enabling the second energy storage mechanism to store energy at the same time. When the first energy storage mechanism starts to release energy, the locking effect of the limiting mechanism is released, so that the output wheel and the first output shaft can rotate, and the first energy storage mechanism and the second energy storage mechanism release energy at the same time, forming a dual energy storage boosting effect.

An snap-action type switch unit includes a switch housing; an actuator plunger configured for depressible movement via an aperture in the switch housing from a first position to a second position; a snap-action switch assembly which is operably-connected with the actuator plunger and responsive to the depressible movement of the actuator plunger so as to effect snap-action type movement of at least one movable contact between a normally opened position and a normally closed position with respect to at least one stationary contact to effect switching of electric power; and a signalling assembly which is operably-connected with the actuator plunger and responsive to the depressible movement of the actuator plunger so as to effect movement of at least one movable conductive element of the signalling assembly amongst a plurality of different electrical contact point configurations with respect to at least one stationary conductive element of the signalling assembly.

An snap-action type switch unit includes a switch housing; an actuator plunger configured for depressible movement via an aperture in the switch housing from a first position to a second position; a snap-action switch assembly which is operably-connected with the actuator plunger and responsive to the depressible movement of the actuator plunger so as to effect snap-action type movement of at least one movable contact between a normally opened position and a normally closed position with respect to at least one stationary contact to effect switching of electric power; and a signalling assembly which is operably-connected with the actuator plunger and responsive to the depressible movement of the actuator plunger so as to effect movement of at least one movable conductive element of the signalling assembly amongst a plurality of different electrical contact point configurations with respect to at least one stationary conductive element of the signalling assembly.

A switching device includes a housing, an operation member, a plurality of fixed contacts, a plurality of movable contacts, and a snap action mechanism for causing the movable contacts to operate. The snap action mechanism includes a plurality of first drivers in each of which a fulcrum that serves as a pivot point is formed on one end side of a given first driver and in which a given movable contact from among the movable contacts is provided on another end side of the given first driver; a second driver in which a pressing member to be pressed through the operation member is formed on one end side of the second driver and in which fulcrums that serve as pivot points are each formed on another end side of the second driver; and a coupling member integrally coupling the plurality of first drivers to constitute a first drive member.

Provided is an electric switch, including a casing, an actuator, a movable contact frame, a snap-action resilient member, a lock mechanism, a signal switch and a contact switch. The actuator is capable of reciprocating along a first direction. The movable contact frame is provided with a retaining portion. The snap-action resilient member is arranged in the movable contact frame and is compressed by the actuator when the actuator moves. The lock mechanism includes two lock members which are capable of reciprocating in the mounting cavity along a second direction with the movement of the actuator, so as to lock or unlock the retaining portion. A brush of the electric switch is arranged on the movable contact frame. A movable contact of the contact switch is arranged on the movable contact frame.