Abstract: A trigger assembly for an electrical device that includes a main body having a housing within which an electrical switch unit is disposed. The trigger assembly may include a trigger member having an engagement portion that is hingedly connected to the main body so that the trigger member is rotatable about a hinge relative to the main body. The trigger assembly may include an actuator member operably-connected to the trigger member that is movable between an OFF position and an ON position. The trigger assembly may include a lock-off mechanism including a lock-off member that is selectively operable to restrict movement of the trigger member towards the main body and to thereby restrict movement of the actuator member from the OFF position into the ON position, and, to not restrict movement of the trigger member toward the main body.

Abstract: A battery pack system for use in connecting a battery pack to a battery pack receiving member of a machine so that the battery pack is operable to supply a suitable amount of power to the machine for operation of the machine via an electrical circuit path that is configurable for electrically connecting the battery pack to the machine, the system including: a first electrical connector member disposed along a first region of the electrical circuit path; and a second electrical connector member; wherein, responsive to the battery pack being connected to the battery pack receiving member of the machine, the second electrical connector member is configured for movement relative to the first electrical connector member to cooperatively form a first configuration which electrically closes the electrical circuit path via which the suitable amount of power is able to be supplied from the battery pack to the machine; and wherein, responsive to the battery pack being disconnected from the battery pack receiving member

Abstract: A detection circuit module for use with a household appliance door to detect when the door is closed and/or locked, the detection circuit module having a first and a second contact configured for electrical connection with the household appliance door so as to be operable with the household appliance door, the detection circuit module including: a door closing switch arranged electrically in series between the first connecting contact and an actuator; a door locking switch arranged electrically in series between the actuator member and the second connecting contact; and a diode arranged in series with the actuator and the second connecting contact and the diode being arranged electrically in parallel with the door locking switch.

Abstract: A food processor for use in processing food matter, the food processor including: a receptable configured for holding food matter; an electric motor; a blade configured for being rotatably driven by the electric motor so that the blade is able to blend, mix, stir, agitate or chop the food matter within the receptacle; and a pulsing mode module configured for effecting pulsed operation of the food processor with variable speed or variable torque during blending, mixing, stirring, agitating or chopping of the food matter in the receptacle.

Abstract: The present disclosure relates to the technical field of small household appliances and discloses a separable evacuation device. The separable evacuation device includes an evacuation module. The evacuation module includes a base, which is connected to an opening of a to-be-evacuated container; a vacuum pump, which is disposed on the base and configured to vacuum the to-be-evacuated container; a power supply assembly, which is connected to the vacuum pump and configured to supply power to the vacuum pump; and a control assembly, which is connected to the power supply assembly and the vacuum pump and includes a vacuum pressure switch. The vacuum pressure switch is configured to detect an air pressure value in the to-be-evacuated container and control the power supply assembly to perform one of supplying power to the vacuum pump or powering off the vacuum pump.

Abstract: An electrical switch unit for use with a variable speed electrical device includes a housing for a pair of electrical switching contacts, and an actuator operably connected with one of those contacts. A signaling module is associated with the electrical switch unit, and has signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or position of the actuator. A power module with a power switching device controllably supplies power from the DC power source to the DC motor at a speed corresponding to the sensed movement or position of the actuator. A control module receives the signaling module signal, and outputs a control module signal to control the power module.

Abstract: A covering for a trigger assembly of an electrical device, said covering being configured for at least partially covering a torsion spring of the trigger assembly so as to alleviate ingress of dust, water and other particulates in to contact with the torsion spring.

Abstract: A control system for use in controlling operation of an electrical appliance, the system including: a processor module disposed inside of a housing of the electrical appliance, the processor module including at least one contactless-type sensor operably-connected with the processor module; an input control module including: an attachment element configured for releasably attaching the input control module to an outer surface of the housing; and at least one sensor-readable element configured for contactless-interaction with the contactless-type sensor.

Abstract: An electrical switch unit for use with an electrical device to control operation of a DC motor of the electrical device, the electrical switch unit comprising: a housing which houses a pair of electrical switching contacts, and, an actuator operably connected with at least one of the pair of electrical switching contacts, the actuator being configured for movement relative to the pair of electrical switching contacts so as to arrange the pair of electrical switching contacts into at least one of a closed configuration wherein power is able to be supplied from the DC power source to the DC motor via the pair of electrical switching contacts, and, an opened configuration wherein power is not able to be supplied from the DC power source to the DC motor via the pair of electrical switching contacts; a signaling module associated with the electrical switch unit comprising signaling circuitry for sensing the movement of the actuator and outputting a signaling module signal indicative of the sensed movement or posit

Abstract: A control knob for operating a machine including: a member for attaching the knob to the machine, a display member including an electronic display module, an operational mode display controller for controlling display of operational modes upon the display module and configured for rotational movement around the display module amongst rotational positions. The display controller operably connected with the display module such that, responsive to the rotational movement of the display controller amongst the rotational positions, the display module is configured to display operational modes of the machine corresponding to the rotational positions. The control knob including an operational mode selector for selection of one of the operational modes of the machine when the one operational mode is displayed on the display module. The operational mode selector configured for movement between a first position and a second position to actuate selection of the operational mode displayed on the display module.

Abstract: A knob with a display function includes a chassis with a knob ring and a rotary sensor. A display screen, a control circuit board, a reset device and a functional connection board are sequentially installed onto the chassis. A circuit board bracket is installed between the display screen and the control circuit board. The functional connection board has a confirm button, a connection terminal disposed on the back of the functional connection board. The reset device has a through hole for extending the confirm button to the outside, an end abutting and connecting the control circuit board and the other end abutting and connecting the functional connection board. This invention has the features of simple structure and reasonable design and selects a function by turning the knob ring. With the reset device, the application of the invention has high reliability and provides easy identification.

Abstract: A warning device for use with a computerised warning system, the warning device including: a securement mechanism configured for arrangement between at least one of a secured configuration wherein the securement mechanism is configured to secure the warning device to a person's body, or to an item of clothing or accessory worn or carried on the person's body, and, an unsecured configuration wherein the securement mechanism is configured to allow release of the warning device from securement to the person's body, or to the item of clothing or accessory worn or carried on the person's body; a sensor module configured for sensing when the securement mechanism has been arranged in to the unsecured configuration, and, for sensing at least one type of interaction with the warning device when the securement mechanism has been arranged in the unsecured configuration; and a communication module communicably-connected with a computer server of the computerised system and configured for communicating information to the

Abstract: A trigger assembly for use with an electrical device, including a trigger member, an actuator member operably-connected to the trigger member, and a lock-on mechanism for selectably restricting movement of the trigger member relative to the housing.

Abstract: A sealing assembly for prevention of ingress of particulates and water into an electrical switch includes an engagement element with a rigid first abutment portion for circumscribing an aperture extending through the outer surface of the switch housing and a rigid first retention portion. Also included is a sealing element being slidingly engageable with the engagement element that includes a first complementary abutment portion. The sealing element is formed from an elastically resilient polymeric material so that sealing engagement with the engagement element occludes passage and ingress of external particulates, dust and water.

Abstract: A transducer device including: a base platform; an annular support member mounted on a surface of the base platform, the annular support member having a first opening positioned adjacent the surface of the base platform and a second opening positioned away from the surface of the base platform along a rotation axis; an inner shaft mounted relative to the base platform and configured to extend away from the second opening of the annular support member and rotate relative to the annular support member about the rotation axis; an inner shaft detent mechanism located at least partially within the annular support member configured for releasably securing the inner shaft in a plurality of rotational positions corresponding to each of a plurality of detent positions of the inner shaft detent mechanism as the inner shaft is rotated about the rotation axis; an outer shaft including a passage extending along an elongate axis thereof configured for receiving the inner shaft therein so that the inner shaft and outer shaf

Abstract: A variable-speed controller for use with an electric device including: a variable resistor element having a variable resistor element contact surface; a membrane including a first membrane contact surface spaced-apart from the variable resistor element contact surface by a spacer element, and, a second membrane contact surface; a slider configured for slidable movement along the second membrane contact surface wherein responsive to the slider slidably moving along the second membrane contact surface, the first membrane contact surface is able to be urged into contact with the variable resistor element contact surface in a plurality of contact point configurations whereby the effective resistance of the variable resistor element is configured to change in response to the first membrane contact surface being urged into contact with the variable resistor element contact surface in each of the plurality of contact point configurations.

Abstract: A lockable trigger mechanism for an electrical device, comprising: a housing; a trigger for biased movement relative to the housing; an actuator movably mounted to the housing such that in response to operation of the trigger, the actuator is movable along a movement axis from an OFF position inwardly of the housing towards an ON position, and movable along the movement axis from the ON position in a direction outwardly of the housing towards the OFF position; an electrical switch unit mounted to the housing for activation in response to movement of the actuator along the movement axis between its ON and OFF positions to close and open an electrical circuit of the electrical device respectively; and a locking mechanism comprising a first locking member, a second locking member and a biasing member configured for biasing movement of the first locking member relative to the second locking member.

Abstract: A sealing assembly for prevention of ingress of particulates and water into an electrical switch includes an engagement element with a rigid first abutment portion for circumscribing an aperture extending through the outer surface of the switch housing and a rigid first retention portion. Also included is a sealing element being slidingly engageable with the engagement element that includes a first complementary abutment portion. The sealing element is formed from an elastically resilient polymeric material so that sealing engagement with the engagement element occludes passage and ingress of external particulates, dust and water.

Abstract: A contact lever for use in an electrical switch assembly so as to allow selectable movement within the switch assembly of a contact lever contact member from electrical connection with a first stationary contact member into electrical connection with a second stationary contact member, the contact lever including: first and second lever arms that are connected at respective first ends to the contact lever contact member; said first and second lever arms having respective second ends, and, said first and second lever arms being configured to extend away from the contact member and to terminate at their respective second ends; a gap disposed between the first and second lever arms which separates the first and second lever arms as they extend away from the contact member, and wherein the gap is configured to allow movement of a spring element of the switch assembly therethrough; and a bridge member configured for connection with the first and second lever arms so as to traverse the gap separating the first and

Abstract: Provided is a waterproof toggle switch, which includes a panel, a shift lever, a fixed contact and an elastic element. The panel is provided with an opening portion, with the opening portion running through the panel, between a front wall surface and a rear wall surface of the panel. The shift lever is rotatably held in the opening portion of the panel, and the shift lever includes a rotation center portion, a driving portion and an operation portion. A fit clearance between the rotation center portion and the opening portion ranges from 0.02 mm to 0.2 mm. By providing the panel with the opening portion and providing the shift lever with the rotation center portion, and by controlling the fit clearance between the opening portion and the rotation center portion, a waterproof toggle switch having superperformance and a low cost is provided.