Class 200/500 - HELICAL DRIVE MECHANISM

Subclass of Class 200 - Electricity: circuit makers and breakers
Definition: Subject matter wherein the opening or closing of an electrical
No. of patents: 28
Last issue date: 04/21/2009

Number	Title	Issue Date
7521643	Operating button device An operating button device of the present invention is adapted for use with an electronic apparatus, and includes first and second operating button sets and an elastic component. The first operating button set includes a mounting seat and a pair of press buttons dis...	04/21/2009
7319203	Circuit interrupter and operating mechanism therefor An operating mechanism is provided for a circuit interrupter, such as a battery disconnect apparatus, including a housing and a number of stationary electrical contacts enclosed by the housing. The operating mechanism includes a cam member having a profile with firs...	01/15/2008
7294805	Key structure applicable in an electronic device A key structure applicable in an electronic device for pressing an electrical button of the electronic device is disclosed. The key structure includes an annulus section for fixing the key structure in the electronic device, and a pair of key sections, each of which...	11/13/2007
7183513	Information input system for terminal and multifunctional button assembly for use in the same Embodiments of the invention provide an information input system for a terminal and a multifunctional button assembly for use in the information input system and methods for operating the same. The multifunctional button assembly can include a lever control button, ...	02/27/2007
7106306	Keyboard assembly optimized for a mobile device A keyboard assembly for a mobile device is provided that reduces the separation between keys by reducing the number of required dome switches. A reduction in the number of dome switches can alternatively reduce the amount of real estate taken up by dome switches on ...	09/12/2006
7034238	Wireless key fob for vehicles A key fob assembly comprises an electronic circuit comprising a substrate carrying a plurality of switching elements and a display element. A rear casing member having a first outer rim and receives the electronic circuit. A front casing member has a second outer ri...	04/25/2006
7000353	Release mechanism for an electrical actuator used in swing gates A transmission joint with a coupling having frontal teeth (20,21) is inserted between an output shaft of a gear motor and a worm screw. A release element is associated in a radial way to the coupling so that the coupling can be manually released in an emergen...	02/21/2006
6864439	Switch for controlling a range of movement A switch for limiting and controlling a linear range of movement by rotational means. Two limiting positions of the switch are independently adjusted using worm gears. The switch includes a plate and a rotatable block having a rotatable shaft rotatably disposed rela...	03/08/2005
6515245	Closing assistance mechanism for an electrical switchgear apparatus and drive mechanism of an electrical switchgear apparatus equipped with such an assistance mechanism A drive mechanism of a circuit breaker comprises a master mechanism and a slave mechanism. The master mechanism is composed of an energy storage sub-assembly comprising an energy storage spring driven by a loading shaft, and an opening and closing sub-ass...	02/04/2003
6361746	Medical specimen tote A medical specimen tote assembly containing a coolant. The assembly is configured with wells sized to individually receive and safely support one or more specimen tubes. At least one of the components of the assembly or a portion thereof is formed to cont...	03/26/2002
5804784	Lever switch apparatus A lever switch apparatus having a lever, a switch body, and a plurality of rotatively operated knobs, wherein a connection between the lever and the switch body is made with no wire involved. The lever 2 has a first knob 21 and a second knob 24 that are r...	09/08/1998
5769207	Key operated vehicle anti-theft electrical switching device A vehicle anti-theft device is disclosed. The anti-theft device provides a key operated switch that makes or breaks the electrical continuity of four electrical circuits. These electrical circuits are essential to the operation of the vehicle; therefore t...	06/23/1998
5576523	Independent pole operation linkage A mechanical linkage for independently opening and closing a plurality of associated switches is provided by the invention. The linkage comprises a plurality of connecting rods that provide the initial driving force to open or close the switch, cranks for...	11/19/1996
5504289	Circuit switching mechanism and charging system therefor A circuit switching mechanism for use in a high voltage circuit breaker is disclosed. The disclosed mechanism comprises a charging system (12); trip latch mechanism (14); an opening spring (16); a closing spring (18) positioned coaxially with the opening ...	04/02/1996
5165533	Screw controlled contact mechanism A screw operated electrical contact device having at least one pair of electrical conductors disposed on and projecting evenly above a dielectric surface, an insulation gap separating said conductors from each other, a nut attached to or part of the diele...	11/24/1992
5063316	Automatic door protective reversing switch with worm gear An automatic door protective device for returning an overhead door to the open position when it encounters an obstacle as it is closing. The protective device of this invention includes a motor having an output shaft and a driving gear mounted on the shaf...	11/05/1991
5015930	Power converting mechanism In the electric actuator of the present invention, the power converting mechanism is provided for converting the rotary power of the motor into linear power of the driven member, which needs no special component part. Therefore, in comparison with the pri...	05/14/1991
4933521	Floating release point switch A switch actuator provides a floating release point switch assembly, including a base. An electrical contact on the base establishes an electrical connection. A movable bidrectional cam, in the form of a helix, is operatively associated with the electrica...	06/12/1990
4866222	Rotatively power operated electrical switching device A switching device having an open-ended hollow cylindrical housing with a number of slots in the sidewall. An insulative piston is slidably movable along the housing longitudinal axis and has a threaded central opening receiving a similarly threaded axle....	09/12/1989
4247744	Limit switch A limit switch comprises a frame having an elongated extruded metallic base, a lead screw shaft supported on the frame and coupled with a drive source for rotation, and a pair of control discs threadably engaged upon the lead screw shaft and restrained fr...	01/27/1981
4163135	High current switches using multi-louvered contact strips The invention is a switch for use with very high currents and relatively voltages. The contacts of the switch comprise several stationary rectangular bus bars positioned parallel to each other and one or more movable bus bars which slide along the surfa...	07/31/1979
4131776	Motorized drive assembly for a circuit breaker operator A motorized drive assembly for a circuit breaker operator comprising a follower mounted on a free wheeling double helix shaft which extends in the direction of movement of the operator between "TRIP," "RESET" and "ON" positions, the shaft being driven by ...	12/26/1978
4114747	Switching bearing assembly for a motor-driven spindle A switching bearing assembly for a motor-driven spindle, e.g. a leadscrew adapted to drive a nut axially along the leadscrew, is provided with a bearing housing disposed between two fixed plates and biased centrally thereof by a plurality of compression s...	09/19/1978
4112265	Rotatable cam limit switch with variable timing and dwell A rotatable cam limit switch with a switch operating cam mounted directly on a continuously rotating drive shaft and axially shiftable relative to the shaft. The drive shaft is also provided with a "fast thread" for adjustable axial positioning of a timin...	09/05/1978
4020300	Sectionalized crane collector systems A sectionalized crane collector system is provided for electrical power rail systems for overhead cranes and the like made up of a pair of aligned conductor rails spaced apart longitudinally to form an air gap and having upper surfaces for engagement by a...	04/26/1977
3987688	Adjustable control cam The adjustable error correction cam mechanism which defines the error signal necessary to compensate for inequalities in the attenuation of the optical paths of a twin-beam spectrophotometer is of the kind utilizing a closewound helix of spring steel wire...	10/26/1976
3949347	Switching potentiometer control unit A control unit, for example, a light dimming unit for controlling the intensity of brightness of a lamp load connected in series with the unit, includes a switching potentiometer for serially connecting the unit between a supply line and the load and for ...	04/06/1976
3936623	Multiple contact rotary switch of helical configuration A helical rotary switch having a helical coil formed of an insulating band like plate, a plurality of contact segments attached to said helical coil, a shaft for said helical coil rotatably supported by a pair of panels, a supporting member supported by s...	02/03/1976

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Class 200/500 - HELICAL DRIVE MECHANISM