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Class 200/16B - Plunger type


Subclass of Class 200 - Electricity: circuit makers and breakers
No. of patents: 68
Last issue date: 07/14/2009


1    
NumberTitleIssue Date
7560652Electrical contact with redundant paths
Angled spring contacts and switches made with contactors containing angled spring contacts are disclosed. The housing for the angled spring contacts has a generally cylindrical shape. The contacts are contained within the housing with their ends extending from the h...
07/14/2009
7446269Switch in particular a brake light switch for a motor car
A rotatable locking member is located between a plunger of a switch and a contact part that is configured as a slide, with the rib-type locking elements of the locking member engaging corresponding groove-type locking elements of the plunger. The contact part is fix...
11/04/2008
7316167Method and apparatus for protection of contour sensing devices
A sheet film protective covering for different types of contour sensing devices is described. In a preferred embodiment, this covering is a mylar sheet film that is coated with a layer of a conductive material. The bottom surface of the mylar film is also preferably...
01/08/2008
7253371Normally closed (on) switch with an on-off fixed structure
A normally closed (on) switch with an on-off fixed structure comprises at the center a seat having a sleeve inside which a push part and an elastic component; a top cover provided on the seat, of which the center is formed with a piercing hole corresponding to the s...
08/07/2007
7241958Plunger switch
A plunger switch is described. The switch has a carrier having a base portion. The carrier base portion has channels which receive bridge contact members. The bridge contact members are trapped in the channels by a retainer member. The carrier is inserted into a hou...
07/10/2007
7157652In-line slide switch assembly for hot plugging
The present disclosure relates to switches and assemblies configured and adapted to enable “hot plugging” of electrical components and/or elements. According to an embodiment, slide switch assembly includes a body portion configured and adapted to support a firs...
01/02/2007
7129429Limit switch
An electrical limit switch (10) is provided and comprises a number of contact elements (30) each having a slot (32) with inner cutting edges (34) for penetrating the insulation of and containing a conducting element (48). The conta...
10/31/2006
7122756Push switch
A push switch includes an operating body, a case, a return spring, and a light source. The operating body is controlled by push operation, includes a through-hole in the center and a display portion at the upper edge of the through-hole, and supports a movable conta...
10/17/2006
7060917Plunger switch for electric appliances
Disclosed herein is a plunger switch for electric appliances, which is mounted to an electric appliance to control a lamp, a motor, a heater, etc. and has enhanced safety and electrical and mechanical properties, thus maintaining the original condition of the switch...
06/13/2006
7040935Elastic terminal
An elastic terminal provides multi-directional reacting forces for ensuring the contact reliability and uses a cheaper Cu alloy to reduce production costs. The elastic terminal is received in an electrical connector, and has a retaining portion, an elastic arm, and ...
05/09/2006
6998546Switch assembly for a vehicle
A switch assembly for providing control signals to an electrical motor in a vehicle includes a printed circuit board having traces for communicating the control signals to a the electrical motor. A contactor module includes a set of depressible plungers and a set of...
02/14/2006
6966111Method of fabricating a micro-electromechanical device using organic sacrificial layers
A method of fabricating a micro-electromechanical systems device that is positioned on a wafer substrate that incorporates drive circuitry includes the step of depositing a first sacrificial layer of an organic material on the wafer substrate. The first sacrificial ...
11/22/2005
6903283Plunger retention apparatus and method for switch enclosures
A switch enclosure apparatus and method are disclosed. An enclosure can be provided, wherein the enclosure comprises a plurality of walls from which a cavity can be formed. A plunger or other actuating mechanism can also be provided comprising one or more key portio...
06/07/2005
6903290Safety switch
A safety switch includes an activation key housed in a casing, a pair of contact-holding elements, and a triad of electric terminals. The contact-holding elements oscillate between a passive position and an active position, the positions being imposed by a correspon...
06/07/2005
6880226Method for limiting movement in electrical contactors
A method for restricting travel of a moving contact in a lighting contactor is provided. The lighting contactor includes the moving contact and a contact carrier. The method includes the steps of providing a spacer, and a biasing member and positioning the biasing m...
04/19/2005
6749028Power tool trigger assembly
A trigger assembly for controlling an electric power tool including a motor comprises a base for fixing within the power tool and a trigger supported by the base for inward and outward movement, the trigger being resiliently biassed outwards. The base has a housing ...
06/15/2004
6483061Triple pole safety switch and connector
The present invention is directed to three pole plunger switch assembly. The assembly includes a three pole plunger switch and a mating connector. The plunger switch includes a switch housing for supporting components of the plunger switch and a plunger e...
11/19/2002
6028274Fail-safe switch
A safety switch with a contactor structure including first and second contactor contacts electrically connected to each other. The switch has an "on" state in which first and second terminal contacts are contacted with the first and second contactor conta...
02/22/2000
5960940Self-adjusting electric tappet switch
A self-adjusting electric tappet switch includes a housing, an electrical switch contact carried on the housing, a slider member movable relative to the housing and adapted to actuate the electrical switch, and an elongate tappet member extending from the...
10/05/1999
5939989Electronic switch utilized in, for example, a drowsiness warning device
An electronic switch includes a rigid base, a circuit board supported by the base which includes an aperture therethrough defined, at least in part, by spaced apart conductive terminals of an electrically conductive circuit, a resiliently flexible casing ...
08/17/1999
5929407Plunger actuated switch with single adjustment features
A plunger actuated switch, suitable for automotive brake light applications where the plunger is held depressed in de-actuated condition. Upon installation, the switch housing is moved on an adjustable mounting to cause the plunger to contact a user movea...
07/27/1999
5670761Electrical switch
An electrical switch having a plurality of plungers (6) and (8) telescoped one inside another. Each plunger is depressable from an extended position independently of the other(s) against a bias provided by a spring (28, 46) to operate respective switch co...
09/23/1997
5531018Method of micromachining electromagnetically actuated current switches with polyimide reinforcement seals, and switches produced thereby
An insulating layer with at least one via is provided over a metal plate. A sacrificial layer is applied over a portion of the insulating layer so that the sacrificial layer extends into the via. A metal bridge having at least one opening is provided over...
07/02/1996
5528007Plunger switch and method of manufacture
A switch comprises a plunger, a retainer, a pair of terminals and an electrically-conducting wiper contact having a curved or bent middle portion defining two oppositely directed legs on either side of the middle portion. The retainer cooperates with the ...
06/18/1996
5410115Rod-type switch
A rod-type switch including: a tube-like body; a conductor conducting tube fixed in the middle part of the body; a contact having on one end thereof an insulating rod extending inside the conductor tube, the other end of the contact projecting from one en...
04/25/1995
5374792Micromechanical moving structures including multiple contact switching system
Micromachining methods for fabricating micromechanical structures which include plunger elements free to reciprocate within cavities are fabricated using processing steps in common with those employed in high density interconnect (HDI) technology for mult...
12/20/1994
5304753Electric switch with welded contact sensor lockout
A plunger operated switch has a pair of movable contacts on a movable contact carrier bridged by a secondary contact supported on a pushbutton operator member which is biased apart from the contact carrier. Depression of the pushbutton operator for the pl...
04/19/1994
5207318Plunger switch
A switch is described that includes a plunger (20, FIG. 1 ) moveable between up and down position and having upper contacts (22, 24) and lower contacts (26, 28). When the plunger is moved to a down position, opposite ends of the upper contact (22) move do...
05/04/1993
4904828Multi-circuit slide switch assembly with distinct plunger operated switch
A housing has a flat side and an open end opposite the flat side, which open end is closed by a circuit board, sandwiching a slidable contact carrier between it and the flat side. Normal power terminals are carried by the flat side and low power traces by...
02/27/1990
4857678Combination plunger and slider switch
A housing has flat terminals, such as traces on a circuit board, along a flat side. A contact carrier having first and second contacts mounted on it is slidable in the housing so that the contacts may slide along the traces in a first direction. First spr...
08/15/1989
4822961Soft break switch
A soft break switch for forming a short circuit between two conductors while the switch is in a closed position, for forming an increasingly resistive circuit between the conductors while the switch is being moved to an open position, and for forming an o...
04/18/1989
4814563Contact mechanism for a switch
A switch having a carriage with a pair of substantially opposite sides and a contact surface of conductive parts facing one of the sides and a reaction surface facing the other of the sides in spaced relation therewith, and wherein the carriage is movable...
03/21/1989
4795863Electrical switch
An electrical switch which includes a casing, a pair of fixed contacts each formed by cutting a rod member into a predetermined length, and disposed in the casing to confront each other, a plunger slidably accommodated in the casing for movement in an axi...
01/03/1989
4733028Switch
A low voltage switch having relatively long plunger travel that maximizes internal self-wiping of the contacts thereby to prolong switch life. The support for the internal contacts functions as a guide for the plunger as well as providing the necessary el...
03/22/1988
4733025Multi-station power supply with rotary switch for connecting two stations together
An electrical apparatus for regulating voltage polarity including a support for slidably receiving one or more carriers therein, with each carrier including circuitry. A positive and negative source of power is associated with the apparatus and each of th...
03/22/1988
4704503Slide-action switch with movable contact lifting means
A slide-action switch in which a fixed contact is provided on an insulating wafer has a projection for raising and holding a movable contact away from the surface of the wafer when the movable contact slides to its open circuit position so as to eliminate...
11/03/1987
4681994High precision and compact contact switch
A high precision and compact contact switch which comprises a housing, a pair of fixed contact elements fixedly supported within the housing, a plunger axially slidably extending into the housing, a generally cylindrical movable contact member, a support ...
07/21/1987
4682046Positive or negative voltage power supply with slideable carrier switching mechanism
An electrical apparatus for regulating voltage polarity including a support for slidably receiving one or more carriers therein, with each carrier including circuitry. A positive and negative source of power is associated with the apparatus and each of th...
07/21/1987
4650936Electric switch construction
An electric switch construction having a housing with electric terminals, two concentric springs disposed in the housing and respectively connected with the terminals, and a movable contactor cup adapted to establish continuity between the terminals and a...
03/17/1987
4650945Four terminal switch
A switch has four separate electrical terminals. A first electrical contact selectively electrically bridges three of the four terminals while a second electrical contact selectively bridges the fourth terminal and one of the first three....
03/17/1987
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